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$128+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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 January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:12 pm
MCI
-
YYZ
1 stop24h 53m
Multiple Airlines
Tue 5/199:45 am
YYZ
-
MCI
1 stop14h 48m
Multiple Airlines
Deal found 1/20$330
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sun 2/811:00 am
MCI
-
YYZ
2 stops23h 26m
Multiple Airlines
Wed 2/253:40 pm
YYZ
-
MCI
1 stop19h 50m
Multiple Airlines
Deal found 1/22$342
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:12 pm
MCI
-
YYZ
1 stop24h 53m
Multiple Airlines
Sat 5/168:00 pm
YYZ
-
MCI
1 stop13h 54m
Multiple Airlines
Deal found 1/20$347
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:44 pm
MCI
-
YYZ
2 stops39h 59m
Multiple Airlines
Sun 3/87:55 pm
YYZ
-
MCI
1 stop28h 38m
Multiple Airlines
Deal found 1/20$349
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:12 pm
MCI
-
YYZ
1 stop24h 53m
Multiple Airlines
Wed 5/137:15 am
YYZ
-
MCI
1 stop17h 44m
Multiple Airlines
Deal found 1/20$352
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:45 am
MCI
-
YYZ
1 stop7h 31m
Multiple Airlines
Mon 3/308:00 pm
YYZ
-
MCI
1 stop28h 31m
Multiple Airlines
Deal found 1/20$354
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 4/157:00 am
MCI
-
YYZ
2 stops15h 11m
Multiple Airlines
Fri 4/177:55 pm
YYZ
-
MCI
1 stop28h 38m
Multiple Airlines
Deal found 1/21$362
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:00 am
MCI
-
YYZ
1 stop11h 58m
Multiple Airlines
Tue 5/199:45 am
YYZ
-
MCI
1 stop14h 48m
Multiple Airlines
Deal found 1/20$364
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/73:24 pm
MCI
-
YOW
2 stops7h 30m
United Airlines
Sat 2/149:45 am
YOW
-
MCI
1 stop6h 19m
United Airlines
Deal found 1/20$370
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 3/258:00 am
MCI
-
YOW
2 stops7h 30m
United Airlines
Sat 3/285:11 pm
YOW
-
MCI
1 stop5h 48m
United Airlines
Deal found 1/21$375
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:29 am
MCI
-
YOW
1 stop8h 49m
United Airlines
Fri 2/62:15 pm
YOW
-
MCI
2 stops8h 44m
United Airlines
Deal found 1/19$379
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/2011:26 am
MCI
-
YYZ
1 stop10h 54m
Multiple Airlines
Fri 2/278:00 pm
YYZ
-
MCI
2 stops24h 46m
Multiple Airlines
Deal found 1/21$380

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$330
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$909
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, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

Fly from

Kansas City

Fly to

Ontario

Route

Depart

Return

Price

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 2/8

5:04 pm-11:26 am

1 stop17h 22m

Toronto Pearson Intl

Wed 2/25

3:40 pm-10:30 am

1 stop19h 50m

$346

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 5/11

12:12 pm-2:05 pm

1 stop24h 53m

Toronto Pearson Intl

Sat 5/16

8:00 pm-8:54 am

1 stop13h 54m

$347

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 3/1

1:44 pm-6:43 am

2 stops39h 59m

Toronto Pearson Intl

Sun 3/8

7:55 pm-11:33 pm

1 stop28h 38m

$349

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 3/27

5:45 am-2:16 pm

1 stop7h 31m

Toronto Pearson Intl

Mon 3/30

8:00 pm-11:31 pm

1 stop28h 31m

$354

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 2/2

12:35 pm-6:52 pm

1 stop5h 17m

Ottawa

Fri 2/6

9:45 am-3:10 pm

1 stop6h 25m

$370

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 2/7

8:00 am-6:52 pm

2 stops9h 52m

Ottawa

Sat 2/14

2:15 pm-9:59 pm

2 stops8h 44m

$370

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 3/25

9:15 am-9:18 pm

1 stop11h 03m

Ottawa

Sat 3/28

5:11 pm-9:59 pm

1 stop5h 48m

$370

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 3/8

11:26 am-12:14 am

2 stops35h 48m

Toronto Pearson Intl

Sun 3/15

8:30 pm-10:23 am

1 stop14h 53m

$381

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 2/7

3:24 pm-9:18 pm

1 stop4h 54m

Ottawa

Sat 2/14

5:11 pm-9:59 pm

1 stop5h 48m

$396

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 5/13

7:00 am-7:58 pm

1 stop11h 58m

Toronto Pearson Intl

Thu 5/14

4:00 pm-11:59 pm

1 stop8h 59m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 47 results
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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, November is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $266). Flying from Kansas City to Region of Ontario in January is currently the most expensive (average of $794). 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 January 22, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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
8,085 reviews
Delta
7.9
Good
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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
9,189 reviews
Delta
7.9
Good
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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
7.2
Good
11,172 reviews
Delta
7.9
Good
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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
3,246 reviews
Delta
7.9
Good
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
Air Canada
7.1
Good
10,646 reviews
Delta
7.9
Good
8,085 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

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 and Air Canada can get you from Kansas City to Region of Ontario in just under 5h 17m. Your travel time can differ by up to 6h 11m. There are 1055 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 $162 on American Airlines. Other airlines that offer cheap prices include Delta from $194 and WestJet from $335 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, November is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $266). Flying from Kansas City to Region of Ontario in January is currently the most expensive (average of $794). 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

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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.
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St. Louis to Pearson Intl flights
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St. Louis to Pierre Elliott Trudeau Intl flights
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Kansas City to Ottawa flights
Springfield to Calgary flights
Kansas City to Saskatoon flights
Columbia to Pierre Elliott Trudeau Intl flights
Kansas City to Victoria flights
Kansas City to Edmonton flights
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Kansas City to Moncton flights
St. Louis to Sydney flights
Joplin to Pearson Intl flights
Joplin to Pierre Elliott Trudeau Intl flights
St. Louis to Grande Prairie flights
Springfield to Toronto Island flights

Top 5 airlines flying from Kansas City to Ontario

Discover the top 5 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$292Average$638FlexibilityNo cancel feeOn-time67%
DeltaCheapest$423Average$722FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$465Average$761FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$519Average$661FlexibilityNo cancel feeOn-time71%
WestJetCheapest$663Average$748FlexibilityNo cancel feeOn-time60%

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