$141+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Oct 25 — Nov 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kansas City to Ontario
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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 September 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 September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/248:43 pm -
2 stops42h 32m
Sun 11/19:20 am -
1 stop24h 06m
Deal found 9/24![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 11/139:36 am -
1 stop12h 19m
Sun 11/157:00 am -
1 stop26h 56m
Deal found 9/24![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 10/2310:56 am -
1 stop26h 09m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 11/69:36 am -
1 stop12h 19m
Fri 11/138:30 pm -
2 stops24h 17m
Deal found 9/21![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Thu 10/297:35 am -
1 stop27h 31m
Deal found 9/21![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 10/2310:56 am -
1 stop26h 09m
Thu 10/297:35 am -
1 stop27h 31m
Deal found 9/21![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 stop20h 42m
Mon 11/308:30 pm -
2 stops24h 03m
Deal found 9/22![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 12/98:32 pm -
2 stops16h 08m
Tue 1/52:40 pm -
1 stop17h 40m
Deal found 9/21![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Tue 10/278:43 pm -
2 stops23h 56m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$455
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:43 pm -
3 stops31h 52m
Tue 10/277:05 am -
3 stops37h 42m
Deal found 9/22![Multiple Airlines logo]()
$502
This Mytrip deal was found by Cheapflights users on 9/21. 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.
Mon 10/198:43 pm -
3 stops45h 37m
Mon 10/267:05 am -
3 stops37h 42m
Deal found 9/21![Multiple Airlines logo]()
$573
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 September 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 September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 11/1011:43 am -
1 stop11h 03m
Sat 11/143:15 pm -
1 stop10h 09m
Deal found 9/20![American Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:46 am -
1 stop30h 34m
Mon 11/168:00 am -
2 stops36h 47m
Deal found 9/25![Multiple Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/265:50 pm -
1 stop23h 07m
Wed 10/282:45 pm -
1 stop24h 52m
Deal found 9/22![United Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 11/255:55 pm -
1 stop4h 02m
Sat 12/56:15 am -
1 stop5h 50m
Deal found 9/23![Delta logo]()
$659
This Flysmarter deal was found by Cheapflights users on 9/25. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:36 am -
2 stops10h 51m
Mon 11/162:00 pm -
2 stops8h 51m
Deal found 9/25![Air Canada logo]()
$704
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Tue 11/105:23 am -
1 stop11h 18m
Wed 11/117:09 am -
1 stop12h 39m
Deal found 9/20![American Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/265:50 pm -
1 stop23h 07m
Thu 10/2910:00 am -
1 stop10h 55m
Deal found 9/21![United Airlines logo]()
$620
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:43 pm -
3 stops25h 02m
Sun 10/1112:40 pm -
3 stops24h 18m
Deal found 9/22![Multiple Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/2411:50 am -
1 stop11h 04m
Wed 10/288:35 am -
1 stop14h 16m
Deal found 9/21![United Airlines logo]()
$635
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Sat 10/108:43 pm -
3 stops32h 27m
Tue 10/1310:50 am -
3 stops33h 58m
Deal found 9/20![Multiple Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Mon 10/194:30 pm -
1 stop6h 15m
Wed 11/114:09 pm -
1 stop5h 41m
Deal found 9/23![American Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 2/15:17 pm -
1 stop21h 08m
Tue 2/234:35 pm -
2 stops28h 01m
Deal found 9/24![Multiple Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sun 10/2511:33 am -
1 stop11h 19m
Thu 10/2910:00 am -
1 stop10h 55m
Deal found 9/21![United Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 9/21. 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 stop6h 54m
Thu 11/196:15 am -
1 stop5h 20m
Deal found 9/21![United Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/196:29 am -
1 stop9h 09m
Mon 10/262:00 pm -
2 stops21h 31m
Deal found 9/21![United Airlines logo]()
$785
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/2011:50 am -
1 stop25h 27m
Tue 10/279:45 am -
1 stop11h 10m
Deal found 9/22![United Airlines logo]()
$790
Last-minute flights from Kansas City to OntarioDiscover last-minute flight deals from Kansas City to Ontario. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Ontario. Data last updated September 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/21. 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.
Mon 10/198:43 pm -
3 stops45h 37m
Mon 10/267:05 am -
3 stops37h 42m
Deal found 9/21![Multiple Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/206:00 am -
1 stop9h 47m
Tue 10/2711:09 am -
1 stop11h 37m
Deal found 9/22![American Airlines logo]()
$466
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:43 pm -
3 stops31h 52m
Tue 10/277:05 am -
3 stops37h 42m
Deal found 9/22![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 10/2310:56 am -
1 stop26h 09m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 10/2310:56 am -
1 stop26h 09m
Thu 10/297:35 am -
1 stop27h 31m
Deal found 9/21![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 10/2310:56 am -
1 stop26h 09m
Mon 11/26:30 am -
2 stops14h 17m
Deal found 9/21![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/248:43 pm -
2 stops42h 32m
Sun 11/19:20 am -
1 stop24h 06m
Deal found 9/24![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Thu 10/297:35 am -
1 stop27h 31m
Deal found 9/21![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Mon 11/26:30 am -
2 stops14h 17m
Deal found 9/21![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/269:16 am -
1 stop30h 54m
Fri 10/306:30 am -
2 stops14h 17m
Deal found 9/21![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Tue 10/278:43 pm -
2 stops23h 56m
Sun 11/17:35 am -
1 stop25h 51m
Deal found 9/21![Multiple Airlines logo]()
$455
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 September 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 September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 12/136:23 pm -
1 stop26h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/269:16 am -
1 stop30h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 stops42h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 stops26h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/811:06 am -
1 stop10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/176:00 am -
1 stop9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 11/115:59 am -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 11/79:59 am -
2 stops13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/178:43 pm -
3 stops48h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Tue 11/37:36 am -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$370
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 September 25, 2026.
Round-trip from | $372 (Kiwi.com) |
|---|---|
One-way from | $141 (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 September 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 CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Mon 10/26
9:16 am-5:10 pm
1 stop30h 54m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Wed 11/11
8:43 pm-4:15 pm
2 stops42h 32m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$166
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Sat 11/7
9:59 am-11:59 pm
2 stops13h 00m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 1/8
1:30 pm-4:50 pm
2 stops26h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$261
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 11/6
9:59 am-12:19 pm
2 stops25h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 10/9
8:43 pm-12:10 am
3 stops26h 27m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$306
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Thu 11/5
10:08 am-11:36 pm
1 stop12h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$315
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 10/16
8:43 pm-5:45 am
3 stops32h 02m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$317
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Mon 11/9
9:59 am-11:57 pm
2 stops12h 58m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$318
Quickest round-trip
Kansas CityToronto
MCI Kansas City - YYZ Toronto Pearson Intl
MCIYYZ
Kansas City
Fri 10/16
6:27 am-2:56 pm
1 stop7h 29m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$325
Showing 1-10 of 27 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.
MCI-YYZ
MCI-YOW
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
MCI-CAON
MCI-YYZ
MCI-YOW
What is the cheapest month to book a flight from Kansas City to Region of Ontario?
Currently, February is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $530). 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 $628 and $808 in October.The cheapest round-trip price found within the last 5 days was $372 on Multiple Airlines (Oct 24-Nov 1).
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 September 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.
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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
See prices for flight routes from nearby airports that may be better suited for you.
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 September 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 September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$723 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$673 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$385 | Average$652 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$684 | FlexibilityNo cancel fee | On-time60% |