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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
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SDF20:55
        13h 8m
        1 stop
        ONT07:03
        Louisville - Ontario|Sat, Jul 27|Spirit Airlines
        SGD 137SGD 220
        38% OFF
        38% OFF
        SGD 220SGD 137
      • SDF20:42
        13h 21m
        1 stop
        ONT07:03
        Louisville - Ontario|Wed, Jun 26|Spirit Airlines
        SGD 172SGD 220
        22% OFF
        22% OFF
        SGD 220SGD 172
      • SDF07:14
        17h 55m
        1 stop
        ONT22:09
        Louisville - Ontario|Wed, Aug 21|United Airlines
        SGD 179SGD 220
        19% OFF
        19% OFF
        SGD 220SGD 179
      • SDF15:27
        7h 6m
        1 stop
        ONT19:33
        Louisville - Ontario|Fri, Aug 23|Delta Air Lines
        SGD 180
        SGD 180
      • SDF15:45
        8h 26m
        1 stop
        ONT21:11
        Louisville - Ontario|Thu, Jul 4|United Airlines
        SGD 195
        SGD 195
      • SDF18:42
        8h 16m
        1 stop
        ONT23:58
        Louisville - Ontario|Fri, Aug 23|American Airlines
        SGD 196
        SGD 196
      • SDF15:35
        8h 27m
        1 stop
        ONT21:02
        Louisville - Ontario|Fri, Sep 6|United Airlines
        SGD 197
        SGD 197
      • SDF09:20
        6h 12m
        1 stop
        ONT12:32
        Louisville - Ontario|Sat, Sep 7|United Airlines
        SGD 197
        SGD 197
      • SDF09:20
        6h 12m
        1 stop
        ONT12:32
        Louisville - Ontario|Fri, Aug 23|United Airlines
        SGD 197
        SGD 197
      • SDF09:15
        17h 24m
        1 stop
        ONT23:39
        Louisville - Ontario|Thu, Aug 15|United Airlines
        SGD 198
        SGD 198
      • SDF13:00
        3h 5m
        Direct
        ONT14:00
        Louisville - Ontario|Wed, Jul 3|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 SGD 137
United Airlines
From SGD 179
American Airlines
From SGD 180
Delta Air Lines
From SGD 180
Sun Country Airlines
From SGD 187
Breeze Airways
From SGD 230
Southwest Airlines
From SGD 259
Allegiant Air
From SGD 457
Alaska Airlines
From SGD 633
ANA airlines

Find more flights and airlines

Airports in Ontario

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

  • 12517.03 km from central Ontario
    Ontario International Airport
    Tickets From
    SGD 137
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. DL3152

    Delta Air Lines

    06:00

    SDF

    1.4h

    07:24

    ATL

    SMTWTFS
    Search

  2. DL665

    Delta Air Lines

    08:55

    ATL

    4.4h

    10:18

    ONT

    SMTWTFS

  3. UA2354

    United Airlines

    09:20

    SDF

    3.0h

    10:20

    DEN

    SMTWTFS
    Search

  4. UA430

    United Airlines

    11:15

    DEN

    2.3h

    12:32

    ONT

    SM-WTFS

  5. DL3165

    Delta Air Lines

    15:24

    SDF

    1.4h

    16:49

    ATL

    SMTWTFS
    Search

  6. DL770

    Delta Air Lines

    17:59

    ATL

    4.4h

    19:25

    ONT

    SMTWTFS

  7. UA367

    United Airlines

    15:25

    SDF

    3.0h

    16:24

    DEN

    SMTWTFS
    Search

  8. F91499

    Frontier Airlines

    22:20

    DEN

    2.3h

    23:39

    ONT

    SM-WT-S

  9. UA367

    United Airlines

    15:25

    SDF

    3.0h

    16:24

    DEN

    SMTWTFS
    Search

  10. UA1574

    United Airlines

    19:45

    DEN

    2.3h

    21:02

    ONT

    SM-WTFS

  11. AA5475

    American Airlines

    15:38

    SDF

    1.6h

    17:14

    CLT

    SMTWTFS
    Search

  12. AA845

    American Airlines

    20:10

    CLT

    5.0h

    22:09

    ONT

    SMTWTFS

  13. UA6310

    United Airlines

    15:40

    SDF

    2.6h

    17:17

    IAH

    SMT-TFS
    Search

  14. UA2078

    United Airlines

    20:10

    IAH

    3.4h

    21:31

    ONT

    SMTWTFS

  15. DL3145

    Delta Air Lines

    17:55

    SDF

    1.5h

    19:23

    ATL

    SMTWTFS
    Search

  16. DL779

    Delta Air Lines

    21:20

    ATL

    4.4h

    22:46

    ONT

    --TWTFS

  17. AA2356

    American Airlines

    18:39

    SDF

    2.3h

    19:57

    DFW

    SMTWTFS
    Search

  18. AA2191

    American Airlines

    22:56

    DFW

    3.0h

    23:59

    ONT

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Louisville International Airport to Ontario

Cheapest return ticket price

SGD 476

Cheapest direct flight price

SGD 136

Off-season for travel

May

Peak season for travel

April

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