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Cheap ONT to LAS Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Ontario to Las Vegas route information

Origin Airport Los Angeles - Ontario Intl.
Destination Airport McCarran Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, United
Flight Price $138
Distance 196 mi

San Bernardino


Orange County


Long Beach


Los Angeles










Cheap ONT to LAS Flights

  • Question : How long does it take to fly from Ontario to Las Vegas?
    Answer : Southwest Airlines currently holds the quickest travel time with 55 minutes. So, you would arrive in Las Vegas at 11:10 AM PDT if you left Ontario at 10:15 AM PDT.
  • Question : What is the cheapest airline flying from Ontario to Las Vegas?
    Answer : American Airlines is the leader in keeping prices down for passengers over the next three months. Bookings are being made at just $111 and, when compared to the pricier bookings of $2,069, it's quite a deal.
  • Question : What is the cheapest day to fly to Las Vegas?
    Answer : As of May 27th, the cheapest day to fly from Ontario to Las Vegas is Jun 8th. Tickets are presently $134, which is 64% below the average price for this route.
  • Question : How long is the flight from ONT to LAS?
    Answer : This direct flight will whoosh you away to your destination in 55 minutes via Southwest Airlines. If you catch the 10:15 AM PDT departure, you'll arrive at 11:10 AM PDT. You'll have plenty of time to grab a quick lunch.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Ontario to Las Vegas is on Tuesday. So, if you would like to save a little money on your next flight look for flights on that day.
  • Question : Is there a day that has more departure times to choose from than other days?
    Answer : With 15 total flight time options, Saturday provides the most flexibility from ONT to LAS. Thursday currently offers the least amount of flight times with only eight options.
  • Question : Which airline has the least delays from Ontario to Las Vegas?
    Answer : Booking with Southwest Airlines means you will arrive to Las Vegas approximately the time you were supposed to. In fact, this timely airline has a 79% average for landing before the plane turns into a pumpkin. It never hurts to be prepared. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.