$73+ Cheap flights from Ontario to Kansas City (ONT - MCI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MCI
May 25 — Jun 11
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 April 25, 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 April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 5/122:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/22![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/196:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 6/91:45 pm
MCI
- ONT
2 stops27h 23m
Frontier
Deal found 4/22![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 5/192:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/21![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/21![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/272:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/23![Frontier logo]()
$210
This Booking.com deal was found by Cheapflights users on 4/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Fri 5/152:34 pm
MCI
- ONT
1 stop21h 31m
Frontier
Deal found 4/20![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:33 pm
ONT
- MCI
1 stop18h 16m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 5/122:34 pm
MCI
- ONT
1 stop21h 31m
Frontier
Deal found 4/19![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Sat 5/162:34 pm
MCI
- ONT
2 stops43h 15m
Frontier
Deal found 4/23![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$225
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 April 25, 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 April 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:00 pm
ONT
- MCI
1 stop9h 36m
Alaska Airlines
Wed 10/143:34 pm
MCI
- ONT
1 stop9h 05m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 4/23. 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 7/285:16 pm
ONT
- MCI
1 stop4h 57m
Delta
Sun 8/29:57 am
MCI
- ONT
2 stops15h 47m
Delta
Deal found 4/23![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:30 pm
ONT
- MCI
2 stops6h 30m
Southwest
Sat 8/111:35 am
MCI
- ONT
2 stops8h 15m
Southwest
Deal found 4/24![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 6/26:39 pm
ONT
- MCI
2 stops12h 29m
United Airlines
Sat 6/611:25 am
MCI
- ONT
2 stops13h 25m
United Airlines
Deal found 4/21![United Airlines logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:00 pm
ONT
- MCI
1 stop9h 36m
Alaska Airlines
Thu 10/157:00 am
MCI
- ONT
1 stop9h 47m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 4/20. 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.
Sun 7/55:24 pm
ONT
- MCI
1 stop4h 54m
Delta
Thu 7/97:38 pm
MCI
- ONT
1 stop6h 06m
Delta
Deal found 4/20![Delta logo]()
$456
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:45 pm
ONT
- MCI
2 stops8h 35m
Southwest
Sun 6/145:35 am
MCI
- ONT
1 stop5h 35m
Southwest
Deal found 4/21![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
2 stops12h 41m
United Airlines
Sat 5/233:16 pm
MCI
- ONT
1 stop9h 35m
United Airlines
Deal found 4/20![United Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:24 pm
ONT
- MCI
1 stop4h 54m
Delta
Mon 7/67:38 pm
MCI
- ONT
1 stop6h 07m
Delta
Deal found 4/24![Delta logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
ONT
- MCI
1 stop7h 53m
Alaska Airlines
Sat 7/185:50 pm
MCI
- ONT
1 stop8h 02m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$501
Last-minute flights from Ontario to Kansas CityDiscover last-minute flight deals from Ontario to Kansas City. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kansas City. Data last updated April 25, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:33 pm
ONT
- MCI
1 stop18h 16m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 5/122:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/22![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/62:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/21![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$225
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 5/192:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/21![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/20![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 4/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Fri 5/152:34 pm
MCI
- ONT
1 stop21h 31m
Frontier
Deal found 4/20![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Sat 5/162:34 pm
MCI
- ONT
2 stops43h 15m
Frontier
Deal found 4/23![Frontier logo]()
$223
This Booking.com deal was found by Cheapflights users on 4/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/202:34 pm
MCI
- ONT
1 stop21h 31m
Frontier
Deal found 4/20![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/196:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Tue 6/91:45 pm
MCI
- ONT
2 stops27h 23m
Frontier
Deal found 4/22![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Wed 5/272:34 pm
MCI
- ONT
1 stop11h 15m
Frontier
Deal found 4/23![Frontier logo]()
$210
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 April 25, 2026.
Search for one-way flight options from Ontario to Kansas City. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/126:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/22![Frontier logo]()
$73
This Booking.com deal was found by Cheapflights users on 4/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:50 am
ONT
- MCI
1 stop24h 59m
Frontier
Deal found 4/24![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/56:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/22![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/206:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/23![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 4/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/20![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 4/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- MCI
1 stop5h 49m
Frontier
Deal found 4/24![Frontier logo]()
$104
This deal was found by Cheapflights users on 4/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
ONT
- MCI
1 stop5h 00m
Frontier
Deal found 4/20![Frontier logo]()
$119
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 April 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $164 (Kiwi.com) |
One-way from | $73 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $462 |
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 2,558,603 searches. Data last updated April 25, 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 - MCI
ONTMCI
Ontario
Sat 10/10
12:00 pm-11:36 pm
1 stop9h 36m
Kansas City
Wed 10/14
3:34 pm-10:39 pm
1 stop9h 05m
$445
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Sat 10/10
12:00 pm-11:36 pm
1 stop9h 36m
Kansas City
Thu 10/15
7:00 am-2:47 pm
1 stop9h 47m
$445
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Tue 7/28
5:16 pm-12:13 am
1 stop4h 57m
Kansas City
Sun 8/2
9:57 am-11:44 pm
2 stops15h 47m
$449
Quickest round-trip
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Sun 7/5
5:24 pm-12:18 am
1 stop4h 54m
Kansas City
Thu 7/9
7:38 pm-11:44 pm
1 stop6h 06m
$456
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Tue 7/28
1:30 pm-10:00 pm
2 stops6h 30m
Kansas City
Sat 8/1
11:35 am-5:50 pm
2 stops8h 15m
$466
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Thu 7/2
5:24 pm-12:18 am
1 stop4h 54m
Kansas City
Mon 7/6
7:38 pm-11:45 pm
1 stop6h 07m
$467
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Tue 6/2
6:39 pm-9:08 am
2 stops12h 29m
Kansas City
Sat 6/6
11:25 am-10:50 pm
2 stops13h 25m
$475
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Fri 6/12
12:45 pm-11:20 pm
2 stops8h 35m
Kansas City
Sun 6/14
5:35 am-9:10 am
1 stop5h 35m
$482
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Wed 7/15
7:00 am-4:53 pm
1 stop7h 53m
Kansas City
Sat 7/18
5:50 pm-11:52 pm
1 stop8h 02m
$501
OntarioKansas City
ONT - MCI
ONTMCI
Ontario
Tue 5/12
6:00 am-8:41 pm
2 stops12h 41m
Kansas City
Sat 5/23
3:16 pm-10:51 pm
1 stop9h 35m
$507
Showing 1-10 of 22 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 April.
| 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 |
- 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
Delays
How far ahead should I book a flight from Ontario to Kansas City?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Kansas City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Ontario to Kansas City?
Currently, August is the cheapest month in which you can book a flight from Ontario to Kansas City (average of $247). Flying from Ontario to Kansas City in May is currently the most expensive (average of $491). 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?
How often are flights from Ontario to Kansas City delayed?
About 0% of weekly flights between Ontario and Kansas City have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Ontario to Kansas City flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
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 April 25, 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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
Belton
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe
Overland Park
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Ontario and Kansas City flights
Browse other Ontario and Kansas City flight options. Last updated on April 25, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 25, 2026.
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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 2,558,603 searches. Data last updated April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$121 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$499 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$247 | Average$444 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$466 | FlexibilityNo cancel fee | On-time71% |