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$159+ Cheap flights from Kansas City (MCI) to Ontario

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
mai 30 — juin 61
sam. 5/30
sam. 6/6
1 adult, Economy
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Cheap flight deals from Kansas City to Ontario

Cheapest flights from Kansas City to Ontario
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 avril 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
ven. 6/510:35 am
MCI
-
YYZ
1 stop12h 00m
Multiple Airlines
jeu. 6/111:30 pm
YYZ
-
MCI
2 stops28h 51m
Multiple Airlines
Deal found 4/25$417
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
ven. 5/2910:35 am
MCI
-
YYZ
2 stops26h 30m
Multiple Airlines
jeu. 6/49:50 am
YYZ
-
MCI
1 stop24h 39m
Multiple Airlines
Deal found 4/29$467
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
mer. 6/310:35 am
MCI
-
YYZ
1 stop29h 10m
Multiple Airlines
mar. 6/99:30 am
YYZ
-
MCI
2 stops32h 51m
Multiple Airlines
Deal found 4/25$470
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
mer. 7/16:16 pm
MCI
-
YYZ
2 stops21h 29m
Multiple Airlines
mar. 7/77:45 am
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 4/25$476
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
lun. 6/1510:35 am
MCI
-
YYZ
1 stop29h 10m
Multiple Airlines
sam. 6/2010:25 pm
YYZ
-
MCI
2 stops39h 35m
Multiple Airlines
Deal found 4/30$481
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
ven. 6/126:16 pm
MCI
-
YYZ
2 stops25h 39m
Multiple Airlines
ven. 6/195:45 pm
YYZ
-
MCI
1 stop7h 33m
Multiple Airlines
Deal found 4/30$483
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
lun. 7/66:16 pm
MCI
-
YYZ
2 stops18h 49m
Multiple Airlines
lun. 7/206:30 am
YYZ
-
MCI
1 stop6h 16m
Multiple Airlines
Deal found 4/26$484
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
jeu. 5/2811:12 am
MCI
-
YYZ
2 stops32h 43m
Multiple Airlines
mer. 6/39:50 am
YYZ
-
MCI
1 stop24h 39m
Multiple Airlines
Deal found 4/29$487
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jeu. 5/142:34 pm
MCI
-
YYZ
2 stops31h 11m
Multiple Airlines
lun. 5/187:22 pm
YYZ
-
MCI
1 stop4h 54m
Multiple Airlines
Deal found 4/27$491
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
mer. 6/36:24 pm
MCI
-
YYZ
2 stops28h 16m
Multiple Airlines
mer. 6/176:10 am
YYZ
-
MCI
1 stop4h 29m
Multiple Airlines
Deal found 4/25$495
This United Airlines deal was found by Cheapflights users on 4/27. 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.
mer. 6/36:00 am
MCI
-
YOW
1 stop15h 05m
United Airlines
sam. 6/66:25 am
YOW
-
MCI
1 stop5h 04m
United Airlines
Deal found 4/27$540
This United Airlines deal was found by Cheapflights users on 4/27. 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.
mar. 5/265:00 pm
MCI
-
YOW
2 stops15h 11m
United Airlines
mer. 6/36:25 am
YOW
-
MCI
1 stop5h 04m
United Airlines
Deal found 4/27$550

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 avril 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(Kiwi.com)

One-way from

$159
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$765
Provider with most accurate pricing for Kansas City-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Toronto (YTO) flights.
Search Deals
From Kansas City to Ontario
Search Deals
One-way flight from Kansas City to Ontario
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 2,558,603 searches. Data last updated avril 30, 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

Price

Cheapest round-trip

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

mer. 7/1

9:50 am-4:45 pm

1 stop29h 55m

Toronto Pearson Intl

mar. 7/7

7:45 am-8:55 am

1 stop26h 10m

$514

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

mer. 6/3

6:00 am-10:05 pm

1 stop15h 05m

Ottawa

sam. 6/6

6:25 am-10:29 am

1 stop5h 04m

$540

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

mar. 5/26

6:41 pm-9:11 am

2 stops13h 30m

Ottawa

lun. 6/1

5:50 pm-11:59 pm

1 stop7h 09m

$550

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

mar. 5/26

5:00 pm-9:11 am

2 stops15h 11m

Ottawa

mer. 6/3

6:25 am-10:29 am

1 stop5h 04m

$550

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

dim. 6/14

7:53 am-9:35 pm

1 stop12h 42m

Ottawa

dim. 6/21

5:50 pm-11:59 pm

1 stop7h 09m

$551

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

mer. 6/3

10:35 am-4:45 pm

1 stop29h 10m

Toronto Pearson Intl

mer. 6/17

5:45 pm-12:18 am

1 stop7h 33m

$572

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

lun. 6/1

3:06 pm-9:55 pm

1 stop5h 49m

Toronto Pearson Intl

mer. 7/1

6:34 pm-11:59 pm

1 stop6h 25m

$594
Quickest round-trip

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

lun. 7/6

3:38 pm-9:59 pm

1 stop5h 21m

Toronto Pearson Intl

lun. 7/20

6:30 am-11:46 am

1 stop6h 16m

$618

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

sam. 8/8

5:45 pm-11:54 pm

1 stop5h 09m

Ottawa

mer. 8/12

6:00 am-3:52 pm

3 stops10h 52m

$619

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

sam. 6/13

6:00 am-9:35 pm

1 stop14h 35m

Ottawa

sam. 6/20

5:50 pm-11:38 pm

1 stop6h 48m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 58 resultsSorted by cheapest first
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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.
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

What is the cheapest month to book a flight from Kansas City to Region of Ontario?

Currently, August is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $98). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of $572). 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?

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 avril 30, 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.
Delta
7.9
Good
8,463 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,463 reviews
Delta
7.9
Good
8,463 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,677 reviews
Delta
7.9
Good
8,463 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,329 reviews
Delta
7.9
Good
8,463 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,682 reviews
Delta
7.9
Good
8,463 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What airport do you fly from for flights from Kansas City to Ontario?

    Kansas City (MCI), located 17.4 mi from the city center, is the airport you fly out of when you book flights from Kansas City to Ontario.

  • How long is the flight from Kansas City to Region of Ontario?

    United Airlines, WestJet, and Delta can get you from Kansas City to Region of Ontario in just under 5h 49m. Your travel time can differ by up to 8h 46m. There are 836 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kansas City to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $139 on American Airlines. Other airlines that offer cheap prices include United Airlines from $180 and Delta from $194 one-way.

  • What are the most popular routes from Kansas City to Region of Ontario?

    Most travelers choose Kansas City - Toronto Pearson Intl, Kansas City - Montreal Pierre Elliott Trudeau Intl or Kansas City - Toronto Island when deciding on the best route from Kansas City to Region of Ontario.

  • Can I find deals for flights from Kansas City to Ontario that include hotel bookings?

    Yes. In addition to deals on Kansas City to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Ontario.

  • Can I find deals for business class flights from Kansas City to Ontario?

    Yes. Cheapflights offers flight deals from Kansas City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Region of Ontario?

    Currently, August is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $98). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of $572). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated avril 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$699FlexibilityNo cancel feeOn-time69%
DeltaCheapest$260Average$750FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$385Average$663FlexibilityNo cancel feeOn-time71%
WestJetCheapest$591Average$684FlexibilityNo cancel feeOn-time60%

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