$125+ Cheap flights from Kansas City (MCI) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Kansas City to OntarioExplore the most affordable flight options available from Kansas City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Kansas City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 am -
1 stop10h 01m
Wed 12/912:30 pm -
1 stop10h 43m
Deal found 10/20![American Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:46 am -
1 stop28h 04m
Mon 11/166:30 am -
2 stops38h 17m
Deal found 10/20![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:46 am -
1 stop28h 04m
Fri 11/206:30 am -
1 stop28h 46m
Deal found 10/24![Multiple Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:38 am -
1 stop9h 55m
Sat 12/53:22 pm -
1 stop8h 30m
Deal found 10/21![American Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:49 pm -
2 stops29h 51m
Mon 12/147:00 am -
1 stop9h 59m
Deal found 10/23![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:36 am -
1 stop13h 19m
Sun 11/157:35 am -
1 stop26h 21m
Deal found 10/22![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:29 pm -
2 stops23h 51m
Fri 12/116:30 am -
1 stop28h 05m
Deal found 10/20![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:29 pm -
1 stop31h 22m
Mon 11/301:40 pm -
2 stops30h 53m
Deal found 10/20![Multiple Airlines logo]()
$504
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:32 pm -
3 stops21h 38m
Sat 12/126:40 pm -
3 stops25h 55m
Deal found 10/21![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:11 am -
2 stops29h 45m
Sun 12/68:00 am -
1 stop26h 35m
Deal found 10/21![Multiple Airlines logo]()
$533
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:38 am -
1 stop9h 55m
Sun 11/227:09 am -
1 stop8h 58m
Deal found 10/21![American Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:43 pm -
2 stops24h 00m
Wed 11/1812:20 pm -
1 stop30h 05m
Deal found 10/22![Multiple Airlines logo]()
$545
Best flights from Kansas City to OntarioDiscover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 am -
1 stop10h 01m
Wed 12/912:30 pm -
1 stop10h 43m
Deal found 10/23![American Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:49 pm -
1 stop23h 36m
Mon 12/147:00 am -
1 stop9h 59m
Deal found 10/23![Multiple Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:33 am -
1 stop25h 52m
Thu 11/1910:00 am -
1 stop10h 55m
Deal found 10/22![United Airlines logo]()
$607
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:40 am -
1 stop10h 14m
Wed 12/910:00 am -
2 stops11h 49m
Deal found 10/20![Delta logo]()
$621
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:38 am -
1 stop9h 55m
Sat 12/53:22 pm -
1 stop8h 30m
Deal found 10/25![American Airlines logo]()
$567
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:29 pm -
3 stops24h 13m
Fri 12/118:30 pm -
2 stops24h 05m
Deal found 10/20![Multiple Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops16h 52m
Wed 12/910:00 am -
1 stop11h 05m
Deal found 10/24![United Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1710:45 am -
1 stop8h 43m
Sun 4/256:30 am -
1 stop6h 18m
Deal found 10/20![Delta logo]()
$765
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/63:25 pm -
1 stop20h 46m
Sun 2/142:00 pm -
1 stop25h 50m
Deal found 10/21![United Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/68:15 am -
1 stop29h 14m
Sun 2/145:40 pm -
2 stops14h 40m
Deal found 10/21![Multiple Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:33 am -
1 stop26h 34m
Thu 11/199:45 am -
1 stop11h 10m
Deal found 10/21![United Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:55 pm -
1 stop4h 02m
Sat 12/510:00 am -
2 stops11h 49m
Deal found 10/22![Delta logo]()
$804
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
2 stops12h 27m
Sun 12/133:10 pm -
2 stops24h 25m
Deal found 10/22![United Airlines logo]()
$770
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:46 am -
1 stop28h 04m
Mon 11/166:30 am -
2 stops38h 17m
Deal found 10/20![Multiple Airlines logo]()
$454
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:43 pm -
2 stops24h 00m
Mon 11/167:35 am -
3 stops37h 12m
Deal found 10/21![Multiple Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:59 am -
1 stop9h 35m
Wed 11/1812:44 pm -
1 stop10h 21m
Deal found 10/22![American Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:43 pm -
2 stops24h 00m
Wed 11/1812:20 pm -
1 stop30h 05m
Deal found 10/22![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:36 am -
1 stop13h 19m
Sun 11/157:35 am -
1 stop26h 21m
Deal found 10/22![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:46 am -
1 stop28h 04m
Fri 11/206:30 am -
1 stop28h 46m
Deal found 10/24![Multiple Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:33 am -
1 stop26h 34m
Thu 11/199:45 am -
1 stop11h 10m
Deal found 10/21![United Airlines logo]()
$729
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:38 am -
1 stop9h 55m
Sun 11/227:09 am -
1 stop8h 58m
Deal found 10/21![American Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:29 pm -
1 stop31h 22m
Mon 11/301:40 pm -
2 stops30h 53m
Deal found 10/20![Multiple Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:38 am -
1 stop9h 55m
Sat 12/53:22 pm -
1 stop8h 30m
Deal found 10/21![American Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:11 am -
2 stops29h 45m
Sun 12/68:00 am -
1 stop26h 35m
Deal found 10/21![Multiple Airlines logo]()
$533
One-way flights from Kansas City to OntarioSearch for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:38 pm -
1 stop30h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:16 am -
1 stop31h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:43 pm -
2 stops44h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:01 pm -
1 stop23h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:59 am -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:51 pm -
2 stops33h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:11 am -
1 stop12h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:06 am -
1 stop11h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:20 am -
1 stop9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:43 pm -
2 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:36 am -
1 stop30h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:10 am -
1 stop14h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$304
Find flight deals from Kansas City to Ontario
Keep the following information in mind while searching for Kansas City to Ontario flight deals. Data was last updated October 25, 2026.
Round-trip from | $453 (American Airlines) |
|---|---|
One-way from | $125 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityOttawa
MCI Kansas City - YOW Ottawa
MCIYOW
Kansas City
Mon 11/2
9:16 am-5:24 pm
1 stop31h 08m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Thu 11/12
5:59 am-4:34 pm
1 stop9h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Tue 11/17
10:20 am-8:34 pm
1 stop9h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Thu 11/12
8:43 pm-6:51 am
3 stops33h 08m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$260
Kansas CityOttawa
MCI Kansas City - YOW Ottawa
MCIYOW
Kansas City
Fri 11/6
9:36 am-5:24 pm
1 stop30h 48m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$270
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Thu 11/26
6:00 am-5:57 pm
2 stops10h 57m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$280
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Tue 11/17
8:43 pm-9:18 pm
3 stops23h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
Kansas CityOttawa
MCI Kansas City - YOW Ottawa
MCIYOW
Kansas City
Sat 11/14
6:10 am-9:56 pm
1 stop14h 46m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$304
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 11/11
7:36 am-10:18 pm
2 stops13h 42m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
Quickest round-trip
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Sat 11/7
12:21 pm-5:41 pm
1 stop4h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$330
Showing 1-10 of 26 resultsSorted by cheapest first
Best time to book a flight from Kansas City to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Kansas City with our price prediction graph.
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Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kansas City to Ontario
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What is the cheapest month to book a flight from Kansas City to Region of Ontario?
Currently, April is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $608). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of $860). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Kansas City to Region of Ontario?
Airfare is below average for this route at the moment.
Kansas City to Region of Ontario flights typically cost between $630 and $996 in December.The cheapest round-trip price found within the last 5 days was $453 on American Airlines (Dec 5-Dec 9).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated October 25, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Kansas City to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Kansas City to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kansas City to Ontario by cabin class
Find flights from Kansas City to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and Ontario flights
Browse other Kansas City and Ontario flight options. Last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Kansas City to Ontario
Discover the top 4 airlines that operate flights from Kansas City to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$742 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$673 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$660 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$495 | Average$654 | FlexibilityNo cancel fee | On-time71% |