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

Search for flights from Ontario International Airport to Louisville 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
      • ONT22:49
        18h 3m
        1 stop
        SDF19:52
        Ontario - Louisville|Tue, May 7|Frontier Airlines
        $87$176
        51% OFF
        51% OFF
        $176$87
      • ONT23:09
        33h 48m
        2 stops
        SDF11:57
        Ontario - Louisville|Wed, May 15|Frontier Airlines
        $96$176
        45% OFF
        45% OFF
        $176$96
      • ONT07:26
        25h 36m
        1 stop
        SDF12:02
        Ontario - Louisville|Sat, May 4|Frontier Airlines
        $100$176
        43% OFF
        43% OFF
        $176$100
      • ONT22:50
        33h 17m
        2 stops
        SDF11:07
        Ontario - Louisville|Wed, May 8|Frontier Airlines
        $101
        $101
      • ONT16:31
        25h 19m
        2 stops
        SDF20:50
        Ontario - Louisville|Mon, May 20|Frontier Airlines
        $108
        $108
      • ONT22:59
        20h 59m
        2 stops
        SDF22:58
        Ontario - Louisville|Fri, May 10|Frontier Airlines
        $110
        $110
      • ONT07:53
        9h 1m
        1 stop
        SDF19:54
        Ontario - Louisville|Mon, May 6|Frontier Airlines
        $113
        $113
      • ONT00:59
        18h 53m
        2 stops
        SDF22:52
        Ontario - Louisville|Mon, May 13|Frontier Airlines
        $114
        $114
      • ONT07:30
        12h 47m
        1 stop
        SDF23:17
        Ontario - Louisville|Sat, May 18|Frontier Airlines
        $117
        $117
      • ONT22:59
        17h 45m
        1 stop
        SDF19:44
        Ontario - Louisville|Fri, May 3|Frontier Airlines
        $121
        $121
      • ONT13:00
        3h 5m
        Direct
        SDF14:00
        Los Angeles - Louisville|Tue, May 7|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 Louisville

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

Frontier Airlines
From $87
Delta Air Lines
From $149
United Airlines
From $201
Alaska Airlines
From $229
Southwest Airlines
From $233
American Airlines
From $302
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Louisville

Cheapest round-trip ticket price

$76

Cheapest nonstop flight price

$38

Off-season for travel

November

Peak season for travel

July

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