$97+ Cheap flights from Ontario to Kansas City (ONT - MCI)
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MCI
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Kansas City 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 Ontario to Kansas City
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Cheapest flights from Ontario to Kansas CityExplore the most affordable flight options available from Ontario to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Ontario to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:30 am -
1 stop6h 05m
Sun 12/138:32 pm -
1 stop16h 13m
Deal found 10/14![Frontier logo]()
$225
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:52 am -
1 stop5h 55m
Wed 11/188:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$229
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Sat 11/211:29 pm -
1 stop8h 07m
Deal found 10/15![Frontier logo]()
$238
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:45 am -
1 stop10h 49m
Sun 12/138:32 pm -
1 stop16h 13m
Deal found 10/14![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop11h 21m
Thu 1/71:30 pm -
1 stop19h 37m
Deal found 10/14![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Thu 11/198:43 pm -
1 stop16h 02m
Deal found 10/14![Frontier logo]()
$248
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:52 am -
1 stop5h 55m
Sun 11/158:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$253
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop11h 21m
Sat 1/98:31 pm -
1 stop5h 34m
Deal found 10/14![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 10/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Tue 11/178:43 pm -
1 stop5h 08m
Deal found 10/18![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop11h 21m
Fri 1/81:30 pm -
1 stop19h 37m
Deal found 10/14![Frontier logo]()
$261
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:32 pm -
1 stop16h 26m
Mon 1/48:36 pm -
1 stop5h 44m
Deal found 10/14![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:52 am -
1 stop5h 55m
Wed 11/188:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$265
Best flights from Ontario to Kansas CityDiscover carefully curated flight deals from Ontario to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Ontario to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/146:30 am -
1 stop11h 17m
Sat 11/211:29 pm -
2 stops23h 16m
Deal found 10/17![Frontier logo]()
$331
This Delta deal was found by Cheapflights users on 10/14. 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 11/1112:18 pm -
1 stop9h 37m
Thu 11/261:20 pm -
1 stop8h 29m
Deal found 10/14![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:02 pm -
1 stop9h 57m
Sun 11/87:00 am -
1 stop10h 13m
Deal found 10/16![Alaska Airlines logo]()
$491
This Frontier deal was found by Cheapflights users on 10/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:40 am -
1 stop5h 54m
Sat 11/281:29 pm -
1 stop8h 07m
Deal found 10/16![Frontier logo]()
$390
This Delta deal was found by Cheapflights users on 10/17. 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 11/286:00 am -
1 stop6h 04m
Tue 12/86:02 pm -
1 stop7h 55m
Deal found 10/17![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 10/17. 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 12/211:57 am -
1 stop9h 26m
Tue 12/86:02 pm -
1 stop7h 55m
Deal found 10/17![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 10/15. 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 11/2111:57 am -
1 stop9h 30m
Sat 11/287:00 am -
1 stop7h 20m
Deal found 10/15![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 10/17. 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.
Thu 12/35:04 pm -
1 stop5h 23m
Tue 12/86:02 pm -
1 stop7h 55m
Deal found 10/17![Delta logo]()
$455
This Delta deal was found by Cheapflights users on 10/17. 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.
Fri 12/411:08 pm -
1 stop8h 21m
Tue 12/86:02 pm -
1 stop7h 55m
Deal found 10/17![Delta logo]()
$455
This Delta deal was found by Cheapflights users on 10/18. 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 11/2511:57 am -
1 stop9h 30m
Wed 12/27:00 am -
1 stop7h 17m
Deal found 10/18![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 10/18. 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 11/215:04 pm -
1 stop5h 13m
Tue 12/16:02 pm -
1 stop7h 55m
Deal found 10/18![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 10/18. 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 11/246:00 am -
1 stop6h 04m
Tue 12/16:02 pm -
1 stop7h 55m
Deal found 10/18![Delta logo]()
$475
Last-minute flights from Ontario to Kansas CityDiscover last-minute flight deals from Ontario to Kansas City. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kansas City. Data last updated October 19, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:25 am -
1 stop11h 22m
Wed 11/118:43 pm -
1 stop5h 08m
Deal found 10/17![Frontier logo]()
$280
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:52 am -
1 stop5h 55m
Sun 11/158:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$253
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:52 am -
1 stop5h 55m
Wed 11/188:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:52 am -
1 stop5h 55m
Wed 11/188:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:52 am -
1 stop5h 55m
Sat 11/211:29 pm -
1 stop8h 07m
Deal found 10/14![Frontier logo]()
$272
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Sat 11/211:29 pm -
1 stop8h 07m
Deal found 10/15![Frontier logo]()
$238
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Thu 11/198:43 pm -
1 stop16h 02m
Deal found 10/14![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 10/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Tue 11/178:43 pm -
1 stop5h 08m
Deal found 10/18![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 am -
1 stop11h 17m
Wed 11/188:43 pm -
1 stop5h 08m
Deal found 10/14![Frontier logo]()
$289
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop5h 55m
Sun 11/228:29 pm -
1 stop5h 45m
Deal found 10/17![Frontier logo]()
$279
This Booking.com deal was found by Cheapflights users on 10/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:40 am -
1 stop5h 54m
Tue 12/18:29 pm -
1 stop27h 51m
Deal found 10/17![Frontier logo]()
$286
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:45 am -
1 stop10h 49m
Sun 12/138:32 pm -
1 stop16h 13m
Deal found 10/14![Frontier logo]()
$239
One-way flights from Ontario to Kansas CitySearch for one-way flight options from Ontario to Kansas City. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Ontario to Kansas City. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Mytrip deal was found by Cheapflights users on 10/14. 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 11/711:52 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$97
This Mytrip deal was found by Cheapflights users on 10/14. 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 11/46:30 am -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$102
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:52 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 10/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop11h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:46 pm -
1 stop24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$121
This Mytrip deal was found by Cheapflights users on 10/14. 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.
Thu 11/126:30 am -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$122
This Jetabroad deal was found by Cheapflights users on 10/14. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:52 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 10/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop6h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$131
This Jetabroad deal was found by Cheapflights users on 10/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$133
Find flight deals from Ontario to Kansas City
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kansas City (MCI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Gotogate) |
One-way from | $97 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $422 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Kansas City 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 19, 2026.
Use the filters below to find and compare flights from Ontario to Kansas City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Tue 11/17
7:50 am-5:55 pm
1 stop8h 05m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$134
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Wed 11/18
6:30 am-7:47 pm
1 stop11h 17m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$136
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Sat 11/7
11:52 am-12:49 pm
2 stops22h 57m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$152
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Fri 12/18
11:32 am-7:56 pm
1 stop6h 24m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Mon 11/16
11:52 am-7:47 pm
1 stop5h 55m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Wed 12/23
5:05 pm-12:19 am
1 stop5h 14m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$207
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Mon 11/23
8:31 pm-7:34 pm
2 stops21h 03m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$209
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Thu 11/19
12:02 pm-11:59 pm
1 stop9h 57m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$223
Quickest round-trip
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Sun 1/17
6:00 am-1:13 pm
1 stop5h 13m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$226
OntarioKansas City
ONT Ontario - MCI Kansas City
ONTMCI
Ontario
Sat 11/7
1:35 pm-11:52 pm
2 stops8h 17m
Kansas City
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$228
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Kansas City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kansas City in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kansas City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Kansas City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kansas City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Kansas City
Have a flexible travel schedule? Discover the best time to fly to Kansas City from Ontario with our price prediction graph.
ONT-MCI
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 Ontario to Kansas City
Prices
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What is the cheapest month to book a flight from Ontario to Kansas City?
Currently, February is the cheapest month in which you can book a flight from Ontario to Kansas City (average of $301). Flying from Ontario to Kansas City in June is currently the most expensive (average of $493). 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 Ontario to Kansas City?
Airfare is below average for this route at the moment.
Ontario to Kansas City flights typically cost between $306 and $509 in December.The cheapest round-trip price found within the last 5 days was $225 on Frontier (Dec 12-Dec 13).
What’s the top layover airport for flights from Ontario to Kansas City?
Share of 1-stop round-trip flights from Ontario to Kansas City chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ontario to Kansas City on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Kansas City?
Average round-trip fare for 1-stop flights from Ontario to Kansas City, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $408.
What’s the fastest layover option from Ontario to Kansas City?
Shortest average travel time for 1-stop one-way flights from Ontario to Kansas City, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 4h 50m.
Which airport typically offers the quickest layover for flights from Ontario to Kansas City?
Average layover duration for 1-stop one-way flights from Ontario to Kansas City, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 0h 48m.
Reviews of airlines servicing Kansas City
Get insights into the airlines that provide service to Kansas City. 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 Kansas City. Reviews last updated October 19, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Kansas City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Kansas City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsLee's Summit
Independence
Kansas City
Overland Park
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Shawnee
Olathe
Belton
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Ontario and Kansas City flights
Browse other Ontario and Kansas City flight options. Last updated on October 19, 2026.
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Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Kansas City
Discover the top 5 airlines that operate flights from Ontario to Kansas City. 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$684 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$440 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$483 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$439 | FlexibilityNo cancel fee | On-time71% |