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Ontario International Airport to Austin flight
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Cheap Flights from Ontario International Airport to Austin

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT07:16
        5h 39m
        1 stop
        AUS14:55
        Ontario - Austin|Tue, May 7|Frontier Airlines
        CAD 64CAD 114
        44% OFF
        44% OFF
        CAD 114CAD 64
      • ONT12:34
        7h 20m
        1 stop
        AUS21:54
        Ontario - Austin|Thu, May 9|Frontier Airlines
        CAD 69CAD 114
        39% OFF
        39% OFF
        CAD 114CAD 69
      • ONT00:59
        5h 17m
        1 stop
        AUS08:16
        Ontario - Austin|Tue, May 21|Frontier Airlines
        CAD 69CAD 114
        39% OFF
        39% OFF
        CAD 114CAD 69
      • ONT07:16
        5h 39m
        1 stop
        AUS14:55
        Ontario - Austin|Tue, May 14|Frontier Airlines
        CAD 69
        CAD 69
      • ONT00:59
        11h 56m
        1 stop
        AUS14:55
        Ontario - Austin|Tue, Apr 30|Frontier Airlines
        CAD 70
        CAD 70
      • ONT12:29
        7h 39m
        1 stop
        AUS22:08
        Ontario - Austin|Mon, May 13|Frontier Airlines
        CAD 74
        CAD 74
      • ONT13:26
        5h 52m
        1 stop
        AUS21:18
        Ontario - Austin|Thu, May 23|Frontier Airlines
        CAD 77
        CAD 77
      • ONT23:09
        20h 8m
        1 stop
        AUS21:17
        Ontario - Austin|Wed, May 15|Frontier Airlines
        CAD 78
        CAD 78
      • ONT14:35
        15h 41m
        1 stop
        AUS08:16
        Ontario - Austin|Wed, May 22|Frontier Airlines
        CAD 78
        CAD 78
      • ONT22:56
        20h 57m
        1 stop
        AUS21:53
        Ontario - Austin|Sat, May 11|Frontier Airlines
        CAD 78
        CAD 78
      • ONT13:00
        3h 5m
        Direct
        AUS14:00
        Los Angeles - Austin|Sun, May 5|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 Austin

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

Frontier Airlines
From CAD 64
Delta Air Lines
From CAD 135
United Airlines
From CAD 165
Alaska Airlines
From CAD 181
Southwest Airlines
From CAD 187
American Airlines
From CAD 327
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Austin

Cheapest return ticket price

CAD 157

Cheapest direct flight price

CAD 82

Cheapest month

March

Peak season for travel

October

FAQs for Ontario International Airport to Austin Flights

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