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

Search for flights from Louisville International Airport to Ontario 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
      • SDF20:42
        13h 21m
        1 stop
        ONT07:03
        Louisville - Ontario|Wed, Jun 12|Spirit Airlines
        €75€210
        64% OFF
        64% OFF
        €210€75
      • SDF20:42
        15h 2m
        1 stop
        ONT08:44
        Louisville - Ontario|Fri, Jun 7|Spirit Airlines
        €86€210
        59% OFF
        59% OFF
        €210€86
      • SDF20:52
        15h 12m
        1 stop
        ONT09:04
        Louisville - Ontario|Mon, Jun 3|Spirit Airlines
        €92€210
        56% OFF
        56% OFF
        €210€92
      • SDF20:42
        15h 17m
        1 stop
        ONT08:59
        Louisville - Ontario|Mon, Jun 10|Spirit Airlines
        €95
        €95
      • SDF15:35
        11h 4m
        1 stop
        ONT23:39
        Louisville - Ontario|Tue, Jul 30|United Airlines
        €169
        €169
      • SDF15:35
        11h 4m
        1 stop
        ONT23:39
        Louisville - Ontario|Tue, Jul 9|United Airlines
        €169
        €169
      • SDF15:35
        11h 4m
        1 stop
        ONT23:39
        Louisville - Ontario|Tue, Jul 23|United Airlines
        €172
        €172
      • SDF09:43
        14h 13m
        1 stop
        ONT20:56
        Louisville - Ontario|Wed, Jun 5|United Airlines
        €175
        €175
      • SDF15:35
        11h 9m
        1 stop
        ONT23:44
        Louisville - Ontario|Sat, Aug 3|United Airlines
        €184
        €184
      • SDF15:35
        11h 14m
        1 stop
        ONT23:49
        Louisville - Ontario|Wed, Jul 3|United Airlines
        €186
        €186
      • SDF13:00
        3h 5m
        Direct
        ONT14:00
        Louisville - Ontario|Fri, Jun 7|Spirit 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 Louisville International Airport to Ontario

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

Spirit Airlines
From €75
Sun Country Airlines
From €104
American Airlines
From €123
Delta Air Lines
From €139
United Airlines
From €147
Breeze Airways
From €192
Southwest Airlines
From €257
Alaska Airlines
From €828
ANA airlines

Find more flights and airlines

There are 1 airport(s) in Ontario. Discover the top routes now!

Learn about different airports in Ontario, find the best flight and transfer options, and plan your journey.

  • 12517.03 km from downtown Ontario
    Ontario International Airport
    Tickets From
    €75
Flight Schedule from Louisville International Airport to Ontario

Check the schedule for flights from Louisville International Airport to Ontario and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA4578

    American Airlines

    06:54

    SDF

    1.6h

    07:30

    ORD

    SM-WTFS
    Search

  2. AA1509

    American Airlines

    08:36

    ORD

    3.9h

    10:30

    LAS

    SMTWTFS

  3. F94205

    Frontier Airlines

    13:25

    LAS

    1.2h

    14:35

    ONT

    SM-W-F-

  4. AA4578

    American Airlines

    06:54

    SDF

    1.6h

    07:30

    ORD

    SM-WTFS
    Search

  5. F91735

    Frontier Airlines

    11:32

    MDW

    3.8h

    13:19

    PHX

    S-T-TF-

  6. F91625

    Frontier Airlines

    14:47

    PHX

    1.3h

    16:02

    ONT

    S-T-TFS

  7. UA2354

    United Airlines

    09:20

    SDF

    3.0h

    10:20

    DEN

    SMTWTFS
    Search

  8. F92907

    Frontier Airlines

    18:15

    DEN

    2.4h

    19:37

    ONT

    ----T--

  9. UA6287

    United Airlines

    09:43

    SDF

    2.4h

    11:09

    IAH

    S-TWTFS
    Search

  10. F93131

    Frontier Airlines

    20:50

    IAH

    3.3h

    22:09

    ONT

    --T-T--

  11. SY1792

    Sun Country Airlines

    12:58

    SDF

    2.1h

    14:02

    MSP

    S---T--
    Search

  12. SY659

    Sun Country Airlines

    16:34

    MSP

    2.1h

    17:39

    DEN

    ---W---

  13. F91499

    Frontier Airlines

    22:37

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  14. SY1792

    Sun Country Airlines

    12:58

    SDF

    2.1h

    14:02

    MSP

    S---T--
    Search

  15. SY659

    Sun Country Airlines

    16:34

    MSP

    2.1h

    17:39

    DEN

    ---W---

  16. F92907

    Frontier Airlines

    18:15

    DEN

    2.4h

    19:37

    ONT

    ----T--

  17. DL3165

    Delta Air Lines

    15:27

    SDF

    1.5h

    16:55

    ATL

    ----T--
    Search

  18. DL770

    Delta Air Lines

    17:59

    ATL

    4.7h

    19:42

    ONT

    ----T--

  19. UA367

    United Airlines

    15:35

    SDF

    3.0h

    16:33

    DEN

    SMTWTFS
    Search

  20. F91499

    Frontier Airlines

    22:37

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  21. UA367

    United Airlines

    15:35

    SDF

    3.0h

    16:33

    DEN

    SMTWTFS
    Search

  22. UA2411

    United Airlines

    19:30

    DEN

    2.3h

    20:48

    ONT

    SMTWTFS

  23. NK537

    Spirit Airlines

    20:52

    SDF

    4.0h

    21:54

    LAS

    S-T-TF-
    Search

  24. F91283

    Frontier Airlines

    06:20

    LAS

    1.1h

    07:24

    ONT

    --TWT-S
Find more flights and airlines

Flight Info of Flights from Louisville International Airport to Ontario

Cheapest round-trip ticket price

€431

Cheapest nonstop flight price

€75

Off-season for travel

May

Peak season for travel

May

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