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$158+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
dic. 17 — dic. 241
mié. 12/17
mié. 12/24
1 adult, Economy
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Find 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 noviembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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. 12/87:01 pmMCI - YYZ
1 stop15h 42mMultiple Airlines
vie. 12/1212:50 pmYYZ - MCI
1 stop11h 25mMultiple Airlines
Deal found 11/17$324
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
dom. 12/143:47 pmMCI - YYZ
1 stop21h 33mMultiple Airlines
jue. 12/187:55 pmYYZ - MCI
1 stop19h 57mMultiple Airlines
Deal found 11/16$396
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
jue. 12/43:47 pmMCI - YUL
2 stops29h 38mMultiple Airlines
lun. 12/88:00 amYUL - MCI
1 stop10h 56mMultiple Airlines
Deal found 11/16$397
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
mié. 12/3111:33 amMCI - YUL
2 stops27h 52mMultiple Airlines
mié. 1/78:00 amYUL - MCI
1 stop10h 10mMultiple Airlines
Deal found 11/15$398
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
mié. 12/313:47 pmMCI - YYZ
1 stop7h 24mMultiple Airlines
mié. 1/73:40 pmYYZ - MCI
1 stop19h 51mMultiple Airlines
Deal found 11/15$407
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
dom. 12/283:47 pmMCI - YYZ
1 stop18h 56mMultiple Airlines
jue. 1/87:15 amYYZ - MCI
1 stop9h 18mMultiple Airlines
Deal found 11/16$418
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
dom. 12/217:00 amMCI - YYZ
1 stop22h 47mMultiple Airlines
jue. 12/2512:30 pmYYZ - MCI
2 stops27h 22mMultiple Airlines
Deal found 11/16$421
This Mytrip deal was found by Cheapflights users on 11/17. 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.
lun. 12/87:01 pmMCI - YTZ
2 stops23h 49mMultiple Airlines
vie. 12/126:45 amYTZ - MCI
2 stops17h 30mMultiple Airlines
Deal found 11/17$437
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
vie. 12/127:01 pmMCI - YUL
1 stop20h 22mMultiple Airlines
mar. 1/136:45 amYUL - MCI
2 stops33h 48mMultiple Airlines
Deal found 11/15$477
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
jue. 12/256:15 pmMCI - YUL
2 stops21h 40mMultiple Airlines
mar. 12/304:35 pmYUL - MCI
1 stop31h 24mMultiple Airlines
Deal found 11/15$499
This Mytrip deal was found by Cheapflights users on 11/15. 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.
mié. 12/313:47 pmMCI - YTZ
3 stops20h 33mMultiple Airlines
mié. 1/77:00 amYTZ - MCI
2 stops16h 59mMultiple Airlines
Deal found 11/15$513
This Mytrip deal was found by Cheapflights users on 11/17. 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.
vie. 12/196:15 pmMCI - YTZ
3 stops26h 48mMultiple Airlines
dom. 12/287:40 pmYTZ - MCI
3 stops28h 19mMultiple Airlines
Deal found 11/17$566

Cheap 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 noviembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Kiwi.com)

One-way from

$158
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$1,074
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. 13% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 noviembre 17, 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

dom. 1/25

4:28 pm-2:20 pm

1 stop20h 52m

Toronto Pearson Intl

jue. 1/29

9:35 am-10:31 am

1 stop25h 56m

$265

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

mié. 1/7

3:47 pm-2:20 pm

1 stop21h 33m

Toronto Pearson Intl

mié. 1/14

3:40 pm-10:31 am

1 stop19h 51m

$278

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

mié. 1/7

6:15 pm-2:20 pm

2 stops19h 05m

Toronto Pearson Intl

lun. 1/12

7:10 am-3:33 pm

1 stop9h 23m

$308

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

lun. 12/8

7:01 pm-11:43 am

1 stop15h 42m

Toronto Pearson Intl

vie. 12/12

12:50 pm-11:15 pm

1 stop11h 25m

$324

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

lun. 1/5

7:00 am-6:47 am

1 stop22h 47m

Toronto Pearson Intl

vie. 1/9

7:10 am-3:33 pm

1 stop9h 23m

$342

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

lun. 1/12

4:28 pm-11:20 pm

3 stops29h 52m

Toronto Pearson Intl

jue. 1/15

7:10 am-3:33 pm

1 stop9h 23m

$352

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

mar. 3/3

12:37 pm-6:55 pm

1 stop5h 18m

Ottawa

mié. 3/4

5:11 pm-9:59 pm

1 stop5h 48m

$363

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

jue. 1/15

10:00 am-9:18 pm

1 stop10h 18m

Ottawa

dom. 1/18

5:11 pm-9:59 pm

1 stop5h 48m

$363

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

mié. 1/21

4:28 pm-4:22 pm

3 stops22h 54m

Montreal Pierre Elliott Trudeau Intl

dom. 1/25

5:25 pm-10:31 am

2 stops18h 06m

$384

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

dom. 12/14

3:47 pm-2:20 pm

1 stop21h 33m

Toronto Pearson Intl

jue. 12/18

7:55 pm-2:52 pm

1 stop19h 57m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 35 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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $292). 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 noviembre 17, 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
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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
9,015 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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
11,048 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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
3,163 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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
10,459 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

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 5h 18m. 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 - Toronto Island 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 $265.

  • 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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $292). 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 noviembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$292Average$688FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$465Average$787FlexibilityNo cancel feeOn-time69%
WestJetCheapest$525Average$748FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$534Average$663FlexibilityNo cancel feeOn-time71%
DeltaCheapest$567Average$722FlexibilityNo cancel feeOn-timeN/A

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