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Cheap flights from Kansas City to Ontario from C$ 172

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kansas City to Ontario

Enter your travel dates to find the best prices.

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 1 February 2026.

Thu 9/45:45 a.m.
MCI
-
YYZ
2 stops16h 35m
Multiple Airlines
Mon 13/43:40 p.m.
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 1/2C$ 364
Tue 14/412:24 p.m.
MCI
-
YYZ
1 stop24h 41m
Multiple Airlines
Thu 23/47:40 a.m.
YYZ
-
MCI
1 stop28h 27m
Multiple Airlines
Deal found 1/2C$ 408
Mon 2/311:26 a.m.
MCI
-
YYZ
1 stop10h 54m
Multiple Airlines
Tue 3/37:10 a.m.
YYZ
-
MCI
1 stop9h 19m
Multiple Airlines
Deal found 31/1C$ 423
Thu 5/311:26 a.m.
MCI
-
YYZ
1 stop10h 54m
Multiple Airlines
Mon 9/33:40 p.m.
YYZ
-
MCI
2 stops24h 49m
Multiple Airlines
Deal found 30/1C$ 434
Mon 23/36:04 p.m.
MCI
-
YYZ
1 stop11h 39m
Multiple Airlines
Wed 25/37:15 a.m.
YYZ
-
MCI
1 stop17h 38m
Multiple Airlines
Deal found 31/1C$ 441
Mon 20/412:12 p.m.
MCI
-
YYZ
1 stop24h 53m
Multiple Airlines
Thu 23/48:30 p.m.
YYZ
-
MCI
1 stop15h 37m
Multiple Airlines
Deal found 31/1C$ 452
Mon 16/36:20 p.m.
MCI
-
YYZ
2 stops28h 54m
Multiple Airlines
Mon 23/33:40 p.m.
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 29/1C$ 464
Tue 10/34:24 p.m.
MCI
-
YOW
1 stop30h 38m
Multiple Airlines
Tue 17/34:15 p.m.
YOW
-
MCI
1 stop20h 14m
Multiple Airlines
Deal found 29/1C$ 475
Tue 17/37:57 p.m.
MCI
-
YUL
1 stop18h 08m
American Airlines
Tue 24/33:45 p.m.
YUL
-
MCI
1 stop18h 08m
American Airlines
Deal found 31/1C$ 531
Thu 6/86:00 a.m.
MCI
-
YOW
1 stop7h 13m
United Airlines
Mon 10/86:00 p.m.
YOW
-
MCI
1 stop6h 59m
United Airlines
Deal found 30/1C$ 569
Tue 17/312:24 p.m.
MCI
-
YUL
3 stops27h 06m
Multiple Airlines
Tue 24/38:55 a.m.
YUL
-
MCI
3 stops27h 34m
Multiple Airlines
Deal found 31/1C$ 662
Tue 24/35:00 a.m.
MCI
-
YUL
1 stop9h 05m
American Airlines
Thu 26/33:45 p.m.
YUL
-
MCI
1 stop17h 57m
American Airlines
Deal found 1/2C$ 678

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 1 February 2026.

Round-trip from

C$ 423

One-way from

C$ 172

Popular in

January

Cheapest in

February

Average price

C$ 707
2/3-3/3
  • 2/3-3/3
  • 2 total stops
  • 20h 13m total
  • Kansas City to Ontario
Search Deals
2/3
  • 2/3
  • 1 total stop
  • 10h 54m total
  • Kansas City to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 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 629,999 searches. Data last updated 1 February 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

Thu 9/4

5:45 a.m.-11:20 p.m.

2 stops16h 35m

Toronto Pearson Intl

Mon 13/4

7:10 a.m.-11:29 a.m.

2 stops29h 19m

C$ 436

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 5/3

11:26 a.m.-11:20 p.m.

1 stop10h 54m

Toronto Pearson Intl

Mon 9/3

7:55 p.m.-11:33 p.m.

1 stop28h 38m

C$ 438

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 23/3

6:04 p.m.-6:43 a.m.

1 stop11h 39m

Toronto Pearson Intl

Wed 25/3

7:15 a.m.-11:53 p.m.

1 stop17h 38m

C$ 441

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 20/4

12:12 p.m.-2:05 p.m.

1 stop24h 53m

Toronto Pearson Intl

Thu 23/4

8:30 p.m.-11:07 a.m.

1 stop15h 37m

C$ 452

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 10/3

4:24 p.m.-12:02 a.m.

1 stop30h 38m

Ottawa

Tue 17/3

4:15 p.m.-11:29 a.m.

1 stop20h 14m

C$ 475

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 22/3

8:40 p.m.-6:43 a.m.

2 stops33h 03m

Toronto Pearson Intl

Sat 28/3

3:40 p.m.-11:29 a.m.

1 stop20h 49m

C$ 489

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 2/3

10:55 a.m.-12:29 a.m.

2 stops12h 34m

Toronto Pearson Intl

Tue 3/3

7:10 a.m.-3:29 p.m.

1 stop9h 19m

C$ 490

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 22/3

8:40 p.m.-6:43 a.m.

2 stops33h 03m

Toronto Pearson Intl

Fri 27/3

8:00 p.m.-5:09 p.m.

1 stop22h 09m

C$ 509

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 16/3

6:04 p.m.-6:43 a.m.

1 stop11h 39m

Toronto Pearson Intl

Mon 23/3

3:40 p.m.-11:29 a.m.

1 stop20h 49m

C$ 516

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 17/3

7:57 p.m.-3:05 p.m.

1 stop18h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

3:45 p.m.-8:53 a.m.

1 stop18h 08m

C$ 531

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/1

Showing 1-10 of 31 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 C$ 245). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 1,029). 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.

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) is the airport you will fly out of if you book a flight from Kansas City to Ontario. It is only a 28.0 km journey to Kansas City (MCI) from Kansas City’s city centre.

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

    Departing from Kansas City to Region of Ontario will take you 18h 08m. The distance between Kansas City and Region of Ontario is about 1846 km.

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

    The most popular route from Kansas City to Region of Ontario is Kansas City - Toronto Pearson Intl. You may also consider Kansas City - Montreal Pierre Elliott Trudeau Intl or Kansas City - Ottawa.

  • 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 C$ 245). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 1,029). 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.
St. Louis to Vancouver Intl flights
St. Louis to Pearson Intl flights
Kansas City to Vancouver Intl flights
St. Louis to Calgary flights
Kansas City to Pearson Intl flights
Kansas City to Pierre Elliott Trudeau Intl flights
Kansas City to Calgary flights
St. Louis to Pierre Elliott Trudeau Intl flights
St. Louis to Winnipeg flights
St. Louis to Québec City flights
Kansas City to Québec City flights
St. Louis to Edmonton flights
Kansas City to Halifax flights
Springfield to Pearson Intl flights
St. Louis to Halifax flights
Kansas City to Ottawa flights
Joplin to Pierre Elliott Trudeau Intl flights
St. Louis to Saskatoon flights
Kansas City to Victoria flights
St. Louis to Kelowna flights
Kansas City to Saskatoon flights
Kansas City to Moncton flights
St. Louis to Charlottetown flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Kansas City to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kansas City to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Kansas City to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Kansas City to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Kansas City to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Kansas City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Kansas City to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Kansas City today and book when prices fit your budget.

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