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Kansas City International Airport to Ontario flight
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Cheap Flights from Kansas City International Airport to Ontario

Search for flights from Kansas City 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
      • MCI08:41
        17h 16m
        1 stop
        ONT23:57
        Kansas City - Ontario|Sat, Jun 8|Frontier Airlines
        AU$75AU$120
        37% OFF
        37% OFF
        AU$120AU$75
      • MCI19:44
        6h 15m
        1 stop
        ONT23:59
        Kansas City - Ontario|Tue, Jun 11|Frontier Airlines
        AU$77AU$120
        36% OFF
        36% OFF
        AU$120AU$77
      • MCI19:44
        13h 18m
        1 stop
        ONT07:02
        Kansas City - Ontario|Tue, Jun 18|Frontier Airlines
        AU$79AU$120
        34% OFF
        34% OFF
        AU$120AU$79
      • MCI19:44
        6h 15m
        1 stop
        ONT23:59
        Kansas City - Ontario|Tue, May 28|Frontier Airlines
        AU$92
        AU$92
      • MCI19:44
        6h 15m
        1 stop
        ONT23:59
        Kansas City - Ontario|Tue, May 21|Frontier Airlines
        AU$100
        AU$100
      • MCI08:41
        7h 17m
        1 stop
        ONT13:58
        Kansas City - Ontario|Sat, Jun 15|Frontier Airlines
        AU$105
        AU$105
      • MCI19:44
        6h 15m
        1 stop
        ONT23:59
        Kansas City - Ontario|Tue, Jun 4|Frontier Airlines
        AU$105
        AU$105
      • MCI20:16
        16h 43m
        1 stop
        ONT10:59
        Kansas City - Ontario|Wed, Jun 5|Frontier Airlines
        AU$106
        AU$106
      • MCI19:44
        6h
        1 stop
        ONT23:44
        Kansas City - Ontario|Thu, Jul 4|Frontier Airlines
        AU$106
        AU$106
      • MCI19:44
        6h 15m
        1 stop
        ONT23:59
        Kansas City - Ontario|Thu, Jun 13|Frontier Airlines
        AU$107
        AU$107
      • MCI13:00
        3h 5m
        Direct
        ONT14:00
        Kansas City - Ontario|Tue, May 21|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 Kansas City International Airport to Ontario

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

Frontier Airlines
From AU$75
United Airlines
From AU$179
Delta Air Lines
From AU$180
Sun Country Airlines
From AU$189
American Airlines
From AU$208
Southwest Airlines
From AU$256
Alaska Airlines
From AU$258
Spirit Airlines
From AU$322
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
    AU$75
Flight Schedule from Kansas City International Airport to Ontario

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2391

    United Airlines

    06:15

    MCI

    1.8h

    07:05

    DEN

    SMTWTFS
    Search

  2. F91499

    Frontier Airlines

    22:20

    DEN

    2.3h

    23:39

    ONT

    SM-WTFS

  3. UA2391

    United Airlines

    06:15

    MCI

    1.8h

    07:05

    DEN

    SMTWTFS
    Search

  4. F91261

    Frontier Airlines

    15:19

    DEN

    2.3h

    16:37

    ONT

    SMTW-FS

  5. UA708

    United Airlines

    13:45

    MCI

    1.9h

    14:40

    DEN

    SMTWTFS
    Search

  6. F91499

    Frontier Airlines

    22:20

    DEN

    2.3h

    23:39

    ONT

    SM-WTFS

  7. UA2123

    United Airlines

    17:13

    MCI

    1.9h

    18:07

    DEN

    SMTWTFS
    Search

  8. F91499

    Frontier Airlines

    22:20

    DEN

    2.3h

    23:39

    ONT

    SM-WTFS

  9. SY1672

    Sun Country Airlines

    18:00

    MCI

    1.4h

    19:25

    MSP

    ------S
    Search

  10. F91291

    Frontier Airlines

    22:59

    MSP

    2.2h

    00:13

    DEN

    SM-WTFS

  11. F91261

    Frontier Airlines

    15:19

    DEN

    2.3h

    16:37

    ONT

    SMTW-FS

  12. DL1277

    Delta Air Lines

    18:14

    MCI

    2.7h

    19:55

    SLC

    SMTWTFS
    Search

  13. DL2113

    Delta Air Lines

    22:55

    SLC

    1.8h

    23:43

    ONT

    SMTWT-S

  14. F93375

    Frontier Airlines

    19:45

    MCI

    1.9h

    20:40

    DEN

    -M-WT-S
    Search

  15. F91261

    Frontier Airlines

    15:19

    DEN

    2.3h

    16:37

    ONT

    SMTW-FS

  16. F93375

    Frontier Airlines

    19:45

    MCI

    1.9h

    20:40

    DEN

    -M-WT-S
    Search

  17. F91499

    Frontier Airlines

    22:20

    DEN

    2.3h

    23:39

    ONT

    SM-WTFS
Find more flights and airlines

Flight Info of Flights from Kansas City International Airport to Ontario

Cheapest round-trip ticket price

AU$369

Cheapest nonstop flight price

AU$75

Off-season for travel

January

Peak season for travel

November

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