The calculation of flight time is based on the straight line distance from ONT to LAS ("as the crow flies"), which is about 197 miles or 317 kilometers. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends at Harry Reid International Airport in Las Vegas, Nevada.Details about Ontario International Airport. Airport code: ONT. City: Ontario/LA. State: California. Terminal 4. Gates 403-407. Cities with weekly flights to ONT. 108 *. Cities with daily nonstop flights Monday through Friday to ONT. The distance between Ontario (Ontario International Airport) and Las Vegas (Las Vegas Harry Reid International Airport) is 197 miles / 317 kilometers / 171 nautical miles. The driving distance from Ontario (ONT) to Las Vegas (LAS) is 227 miles / 366 kilometers, and travel time by car is about 4 hours 14 minutes. Cheap Flights from Ontario to San Francisco (ONT-SFO) Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Ontario - Las Vegas (ONT-LAS) Frontier Airlines domestic flight F92232 operates the route within United States from Ontario (ONT) to Las Vegas (LAS). This flight takes off from Ontario at 18:51 on April 22, landing at Las Vegas, McCarran Terminal 3 at 19:57 on April 22. Flight time is 1h 06m.Un bébé se fait vacciner contre la polio le 30 mai 2012 à Peshawar au Pakistan. ANJA NIEDRINGHAUS / AP. Les vaccins ont permis de sauver l’équivalent de six vies chaque …WN 865 Ontario to Las Vegas Flight Status Southwest Airlines Flight WN865 from Ontario International Airport ONT to Las Vegas McCarran International Airport LAS is not scheduled for today March 18th, 2024. The last time the flight was scheduled was on May 28th, 2023. Check the table below for WN865's most recent flight history:WN 865 Ontario to Las Vegas Flight Status Southwest Airlines Flight WN865 from Ontario International Airport ONT to Las Vegas McCarran International Airport LAS is not scheduled for today March 18th, 2024. The last time the flight was scheduled was on May 28th, 2023. Check the table below for WN865's most recent flight history:Visit an international destination without leaving the city! Stroll the themed hotels like New York New York, Paris Las Vegas, and The Luxor. View the iconic Bellagio fountains, especially fun at night. Never stop having fun at the 24-hour Fremont Street Experience, which combines a mall with amusement park attractions. Ontario to Las Vegas Flights. Flights from ONT to LAS are operated 38 times a week, with an average of 5 flights per day. Departure times vary between 05:25 - 23:30. The earliest flight departs at 05:25, the last flight departs at 23:30. However, this depends on the date you are flying so please check with the full flight schedule above to see ... The initial bearing on the course from Ont to Las-Vegas is 234.73° and the compass direction is SW. Midpoint: 44.6505,-102.18557 The geographic midpoint between Ont and Las-Vegas is in 900.81 mi ( 1,449.71 km )F9 4080 Ontario to Las Vegas Flight Status Frontier Airlines Flight F94080 from Ontario International Airport ONT to Las Vegas McCarran International Airport LAS is not scheduled for today March 5th, 2024. The last time the flight was scheduled was on January 15th, 2024. Check the table below for F94080's most recent flight history:Cheap Flights from Ontario to San Francisco (ONT-SFO) Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.The total driving time is 3 hours, 30 minutes. Your trip begins in Ontario, California. It ends in Las Vegas, Nevada. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Las Vegas, NV. You can also calculate the cost to drive from Ontario, CA to Las Vegas, NV based on current local ...Ontario International Airport offers passengers nonstop service to 20+ destinations worldwide, including New York, Las Vegas, Mexico, and more. Read More Airport Maps ... ONT Rental Car Center; 3450 East Airport Drive; Ontario, CA 91761; Administration Offices; 1923 East Avion Street; Ontario, CA 91761; 1-833-435-9668 (IFLYONT) TDD (909) 937 … Check Frontier flight status, including departure time, arrival time, and gate information. Compare flight deals to Las Vegas from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Las Vegas start from $22 one-way. Flex your dates to find the best ONT–LAS ticket prices. Cheap Flights from Boston to Las Vegas (BOS-LAS) Prices were available within the past 7 days and start at $63 for one-way flights and $125 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Las Vegas with no change fee on selected flights. How long is the drive from Huntsville, Canada to Las Vegas, NV? The total driving time is 36 hours, 13 minutes. Your trip begins in Huntsville, Canada. It ends in Las Vegas, Nevada. If you're planning a road trip, you might be interested in seeing the total driving distance from Huntsville, Canada to Las Vegas, NV. Ontario. LAS. Las Vegas. $48. Roundtrip.The total driving distance from Las Vegas, NV to Ontario, CA is 235 miles or 378 kilometers. Your trip begins in Las Vegas, Nevada. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Las Vegas, NV to Ontario, CA so you can see when you'll arrive at your destination. The average flight time from Las Vegas to Ontario/LA is 1 hour 2 minutes. How many Southwest flights occur weekly from Las Vegas to Ontario/LA? There are 85 weekly flights from Las Vegas to Ontario/LA on Southwest Airlines. Does Southwest fly nonstop on weekdays from Las Vegas to Ontario/LA? Yes, Southwest flies nonstop from Las Vegas to ... Cheap flights from Ontario to Las Vegas (ONT - LAS) from $29. From? To? Round-trip One-way. Wed 4/24. Wed 5/1. 1 adult, Economy. Find deals. We work with more than 300 …Halfway Point Between Ontario, CA and Las Vegas, NV. If you want to meet halfway between Ontario, CA and Las Vegas, NV or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.075928 and -116.405403, or 35º 4' 33.3408" N, 116º 24' 19.4508" W. This location is 117.66 miles away from Ontario, CA … Check Frontier flight status, including departure time, arrival time, and gate information. Driving time from ONT to LAS. How long is the drive from ONT to LAS? The total driving time is 3 hours, 20 minutes. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends at McCarran International Airport in Las Vegas, Nevada. If you're planning a road trip, you might be interested in seeing the total driving ...WN 865 Ontario to Las Vegas Flight Status Southwest Airlines Flight WN865 from Ontario International Airport ONT to Las Vegas McCarran International Airport LAS is not scheduled for today March 18th, 2024. The last time the flight was scheduled was on May 28th, 2023. Check the table below for WN865's most recent flight history:LAS - ONT. Find cheap flights from Las Vegas to Ontario from $34. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search …Nevada ». Las Vegas. $490. Flights to Las Vegas, Las Vegas. Fly from Windsor to Las Vegas on Air Canada from $507... Search for Las Vegas flights on KAYAK now to find the best deal.Find airfare and ticket deals for cheap flights from Ontario, CA to Las Vegas, NV. Search flight deals from various travel partners with one click at $29.The average flight time from Las Vegas to Ontario/LA is 1 hour 2 minutes. How many Southwest flights occur weekly from Las Vegas to Ontario/LA? There are 85 weekly flights from Las Vegas to Ontario/LA on Southwest Airlines. Does Southwest fly nonstop on weekdays from Las Vegas to Ontario/LA? Yes, Southwest flies nonstop from Las Vegas …Ontario to Las Vegas Flights. Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Ontario to Las Vegas offer the perfect respite.The total driving distance from ONT to Las Vegas, NV is 233 miles or 375 kilometers. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends in Las Vegas, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from ONT to Las Vegas, NV so you can see when you'll arrive at ...Watch Roman and Lars challenge each other in Minecraft and have fun with crazy experiments and adventures. Subscribe for more videos! The best one-way flight to Las Vegas from Ontario in the past 72 hours is $29. The best round-trip flight deal from Ontario to Las Vegas found on momondo in the last 72 hours is $31. The fastest flight from Ontario to Las Vegas takes 1h 05m. Direct flights go from Ontario to Las Vegas on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The total driving distance from Toronto, Canada to Las Vegas, NV is 2,249 miles or 3 619 kilometers. Your trip begins in Toronto, Canada. It ends in Las Vegas, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from Toronto, Canada to Las Vegas, NV so you can see when you'll arrive at your ...F92232 and Ontario ONT to Las Vegas LAS Flights. Other flights departing from Ontario ONT: WN2453, DL1622, WN2942, 5A1938. Other flights arriving at Las Vegas LAS: WN1884, NK1013, NK2907, XE323. All flights … Flights from Ontario with Southwest Airlines®. Discover where Southwest ® flies out of Ontario International Airport and trade the West Coast for whatever’s next. Take your next trip from Ontario outside Los Angeles. Southwest Airlines® offers nonstop flights & travel deals to destinations across the U.S. & more. There are 2 airlines that fly nonstop from Ontario to Las Vegas. They are Frontier and Southwest. The cheapest airline for this route is Frontier, with the best one-way deal …The initial bearing on the course from Ont to Las-Vegas is 234.73° and the compass direction is SW. Midpoint: 44.6505,-102.18557 The geographic midpoint between Ont and Las-Vegas is in 900.81 mi ( 1,449.71 km ) $29 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS) Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Compare flight deals to Las Vegas from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Las Vegas start from $22 one-way. Flex your dates to find the best ONT–LAS ticket prices. Cheap flights from Ontario to Las Vegas (ONT - LAS) from $30. Round-trip. 1 adult. Economy. Round-trip One-way Multi-city. From? To? Wed 4/24. Wed 5/1. 1 adult. …USA. ONT. Ontario , CA. USA. LAS. Las Vegas , NV. Distance. 198 miles · (319 km) CHANGE DIRECTION. Flight time. 1 hour and 29 minutes. Airlines with direct flights from …Driving non-stop from Ontario to Las Vegas. How far is Las Vegas from Ontario? Here's the quick answer if you are able to make this entire trip by car without stopping. Nonstop drive: 235 miles or 378 km. Driving time: 3 hours, 30 minutes. Realistically, you'll probably want to add a buffer for rest stops, gas, or food along the way.F9 2186 Ontario to Las Vegas Flight Status Frontier Airlines Flight F92186 from Ontario International Airport ONT to Las Vegas McCarran International Airport LAS is not scheduled for today December 13th, 2023. The last time the flight was scheduled was on November 15th, 2023. Check the table below for F92186's most recent flight history:Thu, May 9 LAS – ONT with Frontier Airlines. Direct. from C$51. Las Vegas.C$51 per passenger.Departing Sun, Apr 21, returning Tue, Apr 23.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Sun, Apr 21, arriving in Las Vegas Harry Reid International.Inbound direct ...With an expansive network of destinations, your world is a flight away. To search for a great fare, start by selecting your departure city. Looking to book using miles? Try our miles finder map. Looking for American Airlines flights from Ontario? Explore our destinations and book the lowest fares from Ontario!Cheap flights from London to Las Vegas is what WestJet does best. We fly into more than 100 destinations in North America, Central America, the Caribbean and Europe — including McCarran International Airport — which means we're able to take you wherever you want to go. Our long-term commitment to great guest experiences and safe, …Ontario International Airport offers passengers nonstop service to 20+ destinations worldwide, including New York, Las Vegas, Mexico, and more. Read More Airport Maps ... ONT Rental Car Center; 3450 East Airport Drive; Ontario, CA 91761; Administration Offices; 1923 East Avion Street; Ontario, CA 91761; 1-833-435-9668 (IFLYONT) TDD (909) 937 …Cheap Flights from Ontario to Chicago (ONT-ORD) Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Ontario to Chicago with no change fee on selected flights. Ontario to Las Vegas Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Ontario to Las Vegas offer the perfect respite. Not only does exploring Las Vegas provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap ... The total driving distance from ONT to LAS is 227 miles or 365 kilometers. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends at Harry Reid International Airport in Las Vegas, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from ONT to LAS so you can see when you ...Return flights from Ontario ONT to Las Vegas LAS with Delta. If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $284 to $284, it’s easy to find a flight that suits your budget. Prices and availability subject to change.Welcome to the Ontario International Airport conveniently located in Southern California. Check flight status and book your travel at the Ontario International Airport's official website. Book one-way or return flights from Ontario to Las Vegas with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Ontario to Las Vegas now! Southwest Airlines and Frontier Airlines fly from Ontario/San Bernardino Airport (ONT) to Las Vegas Airport (LAS) every 4 hours. Alternatively, Greyhound USA operates a bus from Montclair Transcenter to Las Vegas S Strip Transit Terminal twice daily. Tickets cost $26 - $70 and the journey takes 4h 40m. Airlines. Southwest Airlines. F92232 and Ontario ONT to Las Vegas LAS Flights. Other flights departing from Ontario ONT: WN2453, DL1622, WN2942, 5A1938. Other flights arriving at Las Vegas LAS: WN1884, NK1013, NK2907, XE323. All flights …Five train cars moving through London, Ontario were spotted ablaze as they headed towards the city's downtown area. The London Fire Department reported no injuries were …The cost to charter a private flight from Toronto to Vegas starts at around $42,000* for a one-way flight in a super midsize jet, with seating for up to 8 passengers. Round trips with 2 days spent in Las Vegas start at $75,000 in a super mid. Heavy jets are available for groups of up to 12 passengers with a one-way starting at around $60,000 ...Check Frontier flight status, including departure time, arrival time, and gate information.Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages. Book one-way or return flights from Ontario to Las Vegas with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Ontario to Las Vegas now! The Welcome to Fabulous Las Vegas sign is a Las Vegas landmark funded in May 1959 and erected soon after by Western Neon. The sign was designed by Betty Willis at the request of Ted Rogich, a local salesman, who sold it to Clark County, Nevada.. The sign is located in the median at 5100 Las Vegas Boulevard South, north of the historic stone …United flights from Ontario to Las Vegas from. $ 266. * 1 Passenger, Economy. Home. United flights. Flights to United States. Ontario - Las Vegas. Featured daily fares for …$93 Cheap American Airlines flights Ontario (ONT) to Las Vegas (LAS) Prices were available within the past 7 days and start at $93 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip.Check Frontier flight status, including departure time, arrival time, and gate information.The development follows the recovery of hundreds of bodies “buried deep in the ground and covered with waste” over the weekend at Nasser Hospital in Khan Younis, central Gaza, … Find cheap flights from Ontario to Los Angeles from. $97. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Mon 5/20. Mon 5/27. All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Find the flight status for a specific Delta Air Lines flight and receive real-time notifications via text or …Find cheap flights from Ontario to Las Vegas from $119. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search hundreds of travel …The total driving distance from Toronto, Canada to Las Vegas, NV is 2,249 miles or 3 619 kilometers. Your trip begins in Toronto, Canada. It ends in Las Vegas, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from Toronto, Canada to Las Vegas, NV so you can see when you'll arrive at your ... Find cheap fares from Ontario/LA, CA (ONT) to Las Vegas, NV (LAS) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠! Find airfare and ticket deals for cheap flights from Ontario, CA to Las Vegas, NV. Search flight deals from various travel partners with one click at $29. Compare flight deals to Las Vegas from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Las Vegas start from $17 one-way. Flex your dates to find the best ONT–LAS ticket prices. Ontario/LA, CA - ONT. Depart Month . Passengers . Group travel (10+) Opens new window. Arrive . Las Vegas, NV - LAS. Return month . Now accepting reservations through January 06, 2025. Search. Where we fly Opens Modal. Find the fare that works for you. Business Select. Refundable 7; Priority boarding A1-A15;Ontario International Airport ranks 3rd in U.S. for fast food accessibility and convenience. Welcome to the Ontario International Airport conveniently located in Southern California. Check flight status and book your travel at the Ontario International Airport's official website.$93 Cheap American Airlines flights Ontario (ONT) to Las Vegas (LAS) Prices were available within the past 7 days and start at $93 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip.Cheap Flights from Ontario to Chicago (ONT-ORD) Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Ontario to Chicago with no change fee on selected flights. How long is the drive from ONT to Las Vegas Strip? The total driving time is 3 hours, 28 minutes. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends in Las Vegas, Nevada. If you're planning a road trip, you might be interested in seeing the total driving distance from ONT to Las Vegas Strip. Southwest Airlines and Frontier Airlines fly from Ontario to Las Vegas every 4 hours. Alternatively, Tufesa operates a bus from Ontario to Las Vegas twice daily. Tickets cost $45 - $65 and the journey takes 4h 15m. Airlines. Flight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans.At some locations, free valet parking is available for hotel guests, while others may offer free valet services to all patrons or visitors spending a certain amount within the resort. For example, Wynn Las Vegas & Encore provides free valet parking to hotel guests, as well as for anyone spending at least $50 inside the resort in a 24-hour period.Ontario to Las Vegas Flights. Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Ontario to Las Vegas offer the perfect respite.Find cheap flights from Ontario to Las Vegas from $119. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search hundreds of travel …Ontario/LA, CA - ONT. Depart Month . Passengers . Group travel (10+) Opens new window. Arrive . Las Vegas, NV - LAS. Return month . Now accepting reservations through January 06, 2025. Search. Where we fly Opens Modal. Find the fare that works for you. Business Select. Refundable 7; Priority boarding A1-A15; Cheap flights from Ottawa to Las Vegas. If you've come to WestJet to find cheap flights from Ottawa to Las Vegas, you've already taken the first step on your journey. We fly into more than 100 destinations in North America, Central America, the Caribbean and Europe — including McCarran International Airport — which means we're able to take ... The distance covered on this flight route is approximately 197 miles. Understanding the distance between Ontario to Las Vegas can aid in planning your journey more effectively. What are the top airlines offering flights from ONT to LAS? Frontier Airlines, Southwest Airlines is one of the prominent carriers serving the Ontario to Las Vegas route.Ontario International Airport offers passengers nonstop service to 20+ destinations worldwide, including New York, Las Vegas, Mexico, and more. Read More Airport Maps ... ONT Rental Car Center; 3450 East Airport Drive; Ontario, CA 91761; Administration Offices; 1923 East Avion Street; Ontario, CA 91761; 1-833-435-9668 (IFLYONT) TDD (909) 937 …Cheap Flights from Ontario to New Orleans (ONT-MSY) Prices were available within the past 7 days and start at $90 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.F92232 and Ontario ONT to Las Vegas LAS Flights. Other flights departing from Ontario ONT: WN2453, DL1622, WN2942, 5A1938. Other flights arriving at Las Vegas LAS: WN1884, NK1013, NK2907, XE323. All flights …
Return flights from Ontario ONT to Las Vegas LAS with Delta. If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $284 to $284, it’s easy to find a flight that suits your budget. Prices and availability subject to change.. Free call via internet to mobile
F92232 and Ontario ONT to Las Vegas LAS Flights. Other flights departing from Ontario ONT: WN2453, DL1622, WN2942, 5A1938. Other flights arriving at Las Vegas LAS: WN1884, NK1013, NK2907, XE323. All flights …11:45. Frontier Airlines. (LAS to ONT) Track the current status of flights departing from (LAS) Harry Reid International Airport and arriving in (ONT) Ontario International Airport. The total driving distance from ONT to LAS is 227 miles or 365 kilometers. Your trip begins at LA/Ontario International Airport in Ontario, California. It ends at Harry Reid International Airport in Las Vegas, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from ONT to LAS so you can see when you ... Leaves ONT Ontario 1 minute early. 12 minutes taxiing out. 40 minutes in the air. 6 minutes taxiing in. Arrives LAS Las Vegas 3 minutes early. FlightSphere. ... (ONT) to Las Vegas (LAS). On average, they have 39 flights per week on this route. This may vary seasonally, please check the chart above for more details. Tables and Explanations Data ...Return flights from Ontario ONT to Las Vegas LAS with Delta. If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $284 to $284, it’s easy to find a flight that suits your budget. Prices and availability subject to change.With an expansive network of destinations, your world is a flight away. To search for a great fare, start by selecting your departure city. Looking to book using miles? Try our miles finder map. Looking for American Airlines flights from Ontario? Explore our destinations and book the lowest fares from Ontario!Prices were available within the past 7 days and start at CA $375 for one-way flights and CA $466 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Hamilton to Las Vegas with no change fee on selected flights. $29 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS) Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. There are 2 airlines that fly nonstop from Ontario to Las Vegas. They are Frontier and Southwest. The cheapest airline for this route is Frontier, with the best one-way deal found costing $40. On average, the best prices for this route can be found at Frontier. Cheap Flights from Ontario International (ONT) to Las Vegas (LAS) from $37 | Skyscanner. Roundtrip One way Multi-city. Depart. 21/04/2024. Return. 28/04/2024. Travelers and …Find Your Flight. Looking for international flight deals? Call us at 1 (833) 203-5879.$29 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS) Prices were available within the past 7 days and start at $29 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip.(ONT) Ontario International Airport - (LAS) Harry Reid International Airport 18-Mar-2024.