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$131+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
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 December 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/246:15 pmMCI - YYZ
1 stop28h 05mMultiple Airlines
Sun 12/2811:15 amYYZ - MCI
1 stop30h 55mMultiple Airlines
Deal found 12/7$456
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Tue 12/236:15 pmMCI - YYZ
1 stop19h 38mMultiple Airlines
Wed 12/317:15 amYYZ - MCI
2 stops16h 44mMultiple Airlines
Deal found 12/8$493
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/246:15 pmMCI - YYZ
1 stop20h 02mMultiple Airlines
Thu 1/17:10 amYYZ - MCI
1 stop16h 49mMultiple Airlines
Deal found 12/8$505
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/216:15 pmMCI - YYZ
1 stop26h 57mMultiple Airlines
Fri 12/267:40 amYYZ - MCI
1 stop10h 30mMultiple Airlines
Deal found 12/7$513
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Sat 12/137:01 pmMCI - YYZ
1 stop27h 19mMultiple Airlines
Mon 12/157:10 amYYZ - MCI
1 stop17h 05mMultiple Airlines
Deal found 12/9$523
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 12/137:01 pmMCI - YOW
1 stop28h 24mMultiple Airlines
Sat 12/204:45 pmYOW - MCI
2 stops31h 14mMultiple Airlines
Deal found 12/6$652
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Sun 12/216:15 pmMCI - YTZ
3 stops26h 48mMultiple Airlines
Fri 12/268:30 pmYTZ - MCI
2 stops21h 40mMultiple Airlines
Deal found 12/7$707
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/136:00 amMCI - YOW
2 stops16h 54mUnited Airlines
Sat 12/207:27 pmYOW - MCI
2 stops14h 51mUnited Airlines
Deal found 12/6$722
This Mytrip deal was found by Cheapflights users on 12/6. 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.
Fri 12/263:47 pmMCI - YTZ
3 stops23h 11mMultiple Airlines
Sat 1/37:00 amYTZ - MCI
2 stops16h 59mMultiple Airlines
Deal found 12/6$747
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Sun 12/286:00 amMCI - YUL
1 stop14h 17mUnited Airlines
Mon 12/294:45 pmYUL - MCI
1 stop6h 05mUnited Airlines
Deal found 12/7$797
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Sun 12/286:15 pmMCI - YUL
2 stops21h 40mMultiple Airlines
Mon 12/297:20 pmYUL - MCI
2 stops28h 39mMultiple Airlines
Deal found 12/7$802
This American Airlines deal was found by Cheapflights users on 12/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:30 amMCI - YUL
1 stop8h 40mAmerican Airlines
Mon 12/292:29 pmYUL - MCI
1 stop10h 24mAmerican Airlines
Deal found 12/7$872

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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$330
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$751
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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 9, 2025.
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

Wed 1/21

7:00 am-7:55 pm

1 stop11h 55m

Toronto Pearson Intl

Fri 1/23

7:55 pm-11:33 pm

1 stop28h 38m

$330

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 1/31

7:00 am-6:20 am

1 stop22h 20m

Toronto Pearson Intl

Fri 2/6

8:00 pm-11:33 pm

1 stop28h 33m

$350

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 1/8

7:00 am-11:11 pm

2 stops15h 11m

Toronto Pearson Intl

Sun 1/11

8:00 pm-11:33 pm

1 stop28h 33m

$351

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sun 1/11

3:24 pm-9:18 pm

1 stop4h 54m

Ottawa

Thu 1/15

5:11 pm-9:59 pm

1 stop5h 48m

$363

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 1/6

3:47 pm-11:46 am

1 stop18h 59m

Toronto Pearson Intl

Tue 1/13

3:40 pm-4:09 pm

2 stops25h 29m

$365

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 1/5

11:38 am-11:35 am

2 stops22h 57m

Toronto Pearson Intl

Fri 1/9

7:55 pm-11:33 pm

1 stop28h 38m

$390

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/15

11:29 am-9:18 pm

1 stop8h 49m

Ottawa

Sun 1/18

12:00 pm-8:33 pm

2 stops9h 33m

$450

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 12/24

6:15 pm-11:20 pm

1 stop28h 05m

Toronto Pearson Intl

Sun 12/28

11:15 am-5:10 pm

1 stop30h 55m

$456

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 1/26

2:45 pm-3:35 pm

1 stop23h 50m

Toronto Pearson Intl

Wed 1/28

4:45 pm-1:50 pm

1 stop22h 05m

$469

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 1/22

11:26 am-5:45 pm

3 stops29h 19m

Montreal Pierre Elliott Trudeau Intl

Thu 1/29

4:00 pm-4:09 pm

3 stops25h 09m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 41 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 September is currently the most expensive (average of $729). 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.

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 December 9, 2025.
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
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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
9,089 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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
11,043 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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
3,193 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Entertainment

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 can get you from Kansas City to Region of Ontario in just under 4h 54m. Your travel time can differ by up to . There are 1055 mi between Kansas City and Region of Ontario.

  • 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 - Ottawa when deciding on the best route from Kansas City to Region of Ontario.

  • What are the cheapest flights from Kansas City to Region of Ontario?

    On average you can expect to pay $984 for a flight from Kansas City to Region of Ontario. The cheapest flight overall is $556 while the most popular route, (Kansas City - Toronto Pearson Intl) is currently priced at $330.

  • 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 September is currently the most expensive (average of $729). 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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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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$292Average$688FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$465Average$787FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$519Average$661FlexibilityNo cancel feeOn-time71%
WestJetCheapest$525Average$748FlexibilityNo cancel feeOn-time60%
DeltaCheapest$567Average$722FlexibilityNo cancel feeOn-timeN/A

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