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$113+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/107:00 am
MCI
-
YYZ
2 stops22h 13m
Multiple Airlines
Tue 3/173:40 pm
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 2/10$301
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/107:00 am
MCI
-
YYZ
2 stops22h 13m
Multiple Airlines
Fri 3/278:00 pm
YYZ
-
MCI
1 stop22h 09m
Multiple Airlines
Deal found 2/10$322
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/14:24 pm
MCI
-
YYZ
1 stop20h 56m
Multiple Airlines
Wed 3/47:10 am
YYZ
-
MCI
1 stop9h 19m
Multiple Airlines
Deal found 2/9$325
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/316:04 pm
MCI
-
YYZ
2 stops28h 07m
Multiple Airlines
Mon 4/68:00 pm
YYZ
-
MCI
1 stop22h 09m
Multiple Airlines
Deal found 2/11$329
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/245:45 am
MCI
-
YYZ
1 stop17h 29m
Multiple Airlines
Thu 3/268:35 pm
YYZ
-
MCI
1 stop21h 34m
Multiple Airlines
Deal found 2/10$332
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/246:04 pm
MCI
-
YYZ
2 stops24h 32m
Multiple Airlines
Mon 3/307:55 pm
YYZ
-
MCI
1 stop22h 14m
Multiple Airlines
Deal found 2/11$333
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/166:20 pm
MCI
-
YYZ
2 stops28h 54m
Multiple Airlines
Tue 3/243:40 pm
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 2/11$335
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/2512:24 pm
MCI
-
YYZ
1 stop30h 31m
Multiple Airlines
Mon 3/307:55 pm
YYZ
-
MCI
1 stop22h 14m
Multiple Airlines
Deal found 2/11$337
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/16:04 pm
MCI
-
YYZ
2 stops24h 32m
Multiple Airlines
Tue 4/73:40 pm
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 2/11$338
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/1012:24 pm
MCI
-
YYZ
1 stop9h 56m
Multiple Airlines
Mon 4/138:00 pm
YYZ
-
MCI
1 stop22h 09m
Multiple Airlines
Deal found 2/11$339
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 3/268:00 am
MCI
-
YOW
1 stop12h 18m
United Airlines
Thu 4/26:25 am
YOW
-
MCI
1 stop14h 20m
United Airlines
Deal found 2/8$355
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/112:24 pm
MCI
-
YUL
1 stop25h 46m
Multiple Airlines
Mon 4/68:00 am
YUL
-
MCI
1 stop28h 29m
Multiple Airlines
Deal found 2/8$358

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$301
(Kiwi.com)

One-way from

$113
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$767
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
Highest demand for flights based on searches. 2% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 12, 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

Tue 3/10

4:24 pm-11:26 am

1 stop18h 02m

Toronto Pearson Intl

Tue 3/17

3:40 pm-11:29 am

1 stop20h 49m

$308

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 3/10

7:00 am-6:13 am

2 stops22h 13m

Toronto Pearson Intl

Fri 3/27

8:00 pm-5:09 pm

1 stop22h 09m

$322

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 3/31

6:04 pm-11:11 pm

2 stops28h 07m

Toronto Pearson Intl

Mon 4/6

8:00 pm-5:09 pm

1 stop22h 09m

$329

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 4/10

12:24 pm-11:20 pm

1 stop9h 56m

Toronto Pearson Intl

Mon 4/13

8:00 pm-5:09 pm

1 stop22h 09m

$339

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 3/27

12:24 pm-11:20 pm

1 stop9h 56m

Toronto Pearson Intl

Wed 4/1

8:00 am-5:09 pm

2 stops34h 09m

$348

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 3/23

6:04 pm-12:26 am

2 stops29h 22m

Toronto Pearson Intl

Fri 3/27

8:00 pm-5:09 pm

1 stop22h 09m

$352

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 3/28

5:40 pm-10:03 am

1 stop15h 23m

Ottawa

Sat 4/4

10:44 am-7:45 pm

1 stop10h 01m

$355

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 5/6

5:15 am-8:05 pm

1 stop13h 50m

Toronto Pearson Intl

Wed 5/13

4:50 pm-11:57 pm

1 stop8h 07m

$357

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 5/5

5:15 am-8:05 pm

1 stop13h 50m

Toronto Pearson Intl

Wed 5/13

4:50 pm-11:57 pm

1 stop8h 07m

$357

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 5/5

5:15 am-8:05 pm

1 stop13h 50m

Toronto Pearson Intl

Tue 5/12

7:45 am-11:57 pm

1 stop17h 12m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 46 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, August is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $162). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of $756). 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 February 12, 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
8,183 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

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
8,183 reviews
Delta
7.9
Good
8,183 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

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
9,282 reviews
Delta
7.9
Good
8,183 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

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
7.2
Good
11,272 reviews
Delta
7.9
Good
8,183 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

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
3,256 reviews
Delta
7.9
Good
8,183 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

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 and Delta can get you from Kansas City to Region of Ontario in just under 10h 55m. Your travel time can differ by up to 4h 28m. There are 1055 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.

  • 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 $162). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of $756). 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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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$423Average$722FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$445Average$763FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$535Average$661FlexibilityNo cancel feeOn-time71%
WestJetCheapest$653Average$748FlexibilityNo cancel feeOn-time60%

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