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Ontario International Airport to Las Vegas flight
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Cheap Flights from Ontario International Airport to Las Vegas

Search for flights from Ontario International Airport to Las Vegas and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • ONT18:55
        1h 6m
        Direct
        LAS20:01
        Ontario - Las Vegas|Tue, May 7|Frontier Airlines
        $18$23
        19% OFF
        19% OFF
        $23$18
      • ONT23:09
        1h 12m
        Direct
        LAS00:21
        Ontario - Las Vegas|Wed, May 15|Frontier Airlines
        $19$23
        17% OFF
        17% OFF
        $23$19
      • ONT12:29
        1h 9m
        Direct
        LAS13:38
        Ontario - Las Vegas|Mon, May 6|Frontier Airlines
        $19$23
        17% OFF
        17% OFF
        $23$19
      • ONT20:53
        1h 10m
        Direct
        LAS22:03
        Ontario - Las Vegas|Sun, May 5|Frontier Airlines
        $19
        $19
      • ONT19:41
        1h 5m
        Direct
        LAS20:46
        Ontario - Las Vegas|Wed, May 8|Frontier Airlines
        $19
        $19
      • ONT22:49
        1h 14m
        Direct
        LAS00:03
        Ontario - Las Vegas|Tue, May 14|Frontier Airlines
        $19
        $19
      • ONT18:51
        1h 6m
        Direct
        LAS19:57
        Ontario - Las Vegas|Mon, May 13|Frontier Airlines
        $19
        $19
      • ONT20:01
        1h 10m
        Direct
        LAS21:11
        Ontario - Las Vegas|Sat, May 4|Frontier Airlines
        $19
        $19
      • ONT17:41
        1h 11m
        Direct
        LAS18:52
        Ontario - Las Vegas|Wed, May 22|Frontier Airlines
        $19
        $19
      • ONT22:10
        1h 17m
        Direct
        LAS23:27
        Ontario - Las Vegas|Sat, May 18|Frontier Airlines
        $19
        $19
      • ONT13:00
        3h 5m
        Direct
        LAS14:00
        Los Angeles - Las Vegas|Wed, May 8|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Ontario International Airport to Las Vegas

See which airlines fly from Ontario International Airport to Las Vegas. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From $18
Southwest Airlines
From $83
American Airlines
From $102
Alaska Airlines
From $151
United Airlines
From $153
Delta Air Lines
From $373
Hawaiian Airlines
From $530
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Las Vegas

Cheapest round-trip ticket price

$28

Cheapest nonstop flight price

$9

Off-season for travel

January

Peak season for travel

July

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