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Cheap flights from Kansas City to Ontario from C$ 270

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
17 Apr — 24 Apr1
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 18 March 2026.

Tue 14/412:24 p.m.
MCI
-
YYZ
1 stop24h 41m
Multiple Airlines
Fri 17/42:20 p.m.
YYZ
-
MCI
2 stops24h 46m
Multiple Airlines
Deal found 13/3C$ 561
Tue 14/412:24 p.m.
MCI
-
YYZ
1 stop24h 41m
Multiple Airlines
Tue 21/46:30 a.m.
YYZ
-
MCI
2 stops35h 36m
Multiple Airlines
Deal found 16/3C$ 596
Tue 31/35:45 a.m.
MCI
-
YOW
2 stops10h 40m
Multiple Airlines
Thu 30/44:20 p.m.
YOW
-
MCI
1 stop25h 46m
Multiple Airlines
Deal found 16/3C$ 608
Mon 30/38:00 a.m.
MCI
-
YOW
1 stop8h 07m
Air Canada
Sun 5/47:15 a.m.
YOW
-
MCI
2 stops10h 01m
Air Canada
Deal found 16/3C$ 619
Tue 14/412:24 p.m.
MCI
-
YUL
2 stops35h 06m
Multiple Airlines
Tue 21/44:35 p.m.
YUL
-
MCI
1 stop25h 31m
Multiple Airlines
Deal found 15/3C$ 626
Wed 1/45:45 a.m.
MCI
-
YYZ
3 stops13h 25m
Multiple Airlines
Wed 8/47:20 a.m.
YYZ
-
MCI
2 stops17h 33m
Multiple Airlines
Deal found 18/3C$ 626
Wed 1/412:24 p.m.
MCI
-
YYZ
1 stop25h 29m
Multiple Airlines
Mon 13/48:00 p.m.
YYZ
-
MCI
1 stop22h 09m
Multiple Airlines
Deal found 13/3C$ 630
Sat 1/83:16 p.m.
MCI
-
YOW
1 stop5h 19m
United Airlines
Tue 4/86:25 a.m.
YOW
-
MCI
1 stop10h 35m
United Airlines
Deal found 13/3C$ 652
Wed 8/46:04 p.m.
MCI
-
YYZ
2 stops24h 32m
Multiple Airlines
Sat 11/43:25 p.m.
YYZ
-
MCI
1 stop9h 28m
Multiple Airlines
Deal found 17/3C$ 656
Sat 18/47:50 p.m.
MCI
-
YUL
1 stop14h 54m
American Airlines
Sat 25/412:30 p.m.
YUL
-
MCI
1 stop9h 14m
American Airlines
Deal found 16/3C$ 659
Fri 10/412:24 p.m.
MCI
-
YYZ
1 stop8h 51m
Multiple Airlines
Mon 13/43:40 p.m.
YYZ
-
MCI
1 stop20h 49m
Multiple Airlines
Deal found 15/3C$ 664
Thu 28/56:18 p.m.
MCI
-
YYZ
1 stop24h 47m
Multiple Airlines
Sun 31/57:45 a.m.
YYZ
-
MCI
1 stop10h 38m
Multiple Airlines
Deal found 16/3C$ 667

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 18 March 2026.

Round-trip from

C$ 561

One-way from

C$ 270

Popular in

March

Cheapest in

February

Average price

C$ 1,087
14/4-17/4
  • 14/4-17/4
  • 3 total stops
  • 49h 27m total
  • Kansas City to Ontario
Search Deals
30/4
  • 30/4
  • 2 total stops
  • 27h 28m total
  • Kansas City to Ontario
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 18 March 2026.
Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 1/4

5:45 a.m.-8:10 p.m.

3 stops13h 25m

Toronto Pearson Intl

Wed 8/4

7:20 a.m.-11:53 p.m.

2 stops17h 33m

C$ 626
Quickest round-trip

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 22/4

11:30 a.m.-5:07 p.m.

1 stop4h 37m

Ottawa

Sun 26/4

6:25 a.m.-10:27 a.m.

1 stop5h 02m

C$ 681

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sun 28/6

8:20 p.m.-2:17 p.m.

2 stops16h 57m

Ottawa

Tue 7/7

10:44 a.m.-5:36 p.m.

1 stop7h 52m

C$ 694

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 1/8

6:36 p.m.-10:03 a.m.

2 stops14h 27m

Ottawa

Tue 4/8

6:25 a.m.-4:00 p.m.

1 stop10h 35m

C$ 694

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 14/4

6:15 a.m.-3:45 p.m.

1 stop32h 30m

Toronto Pearson Intl

Fri 17/4

4:55 p.m.-4:45 p.m.

2 stops24h 50m

C$ 848

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 31/8

3:36 p.m.-12:04 a.m.

1 stop7h 28m

Toronto Pearson Intl

Thu 3/9

7:45 a.m.-12:21 p.m.

1 stop5h 36m

C$ 854

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 22/4

7:00 a.m.-3:45 p.m.

1 stop31h 45m

Toronto Pearson Intl

Mon 27/4

4:55 p.m.-11:59 p.m.

1 stop32h 04m

C$ 894

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 27/4

2:58 p.m.-3:45 p.m.

1 stop23h 47m

Toronto Pearson Intl

Mon 4/5

4:55 p.m.-2:04 p.m.

1 stop22h 09m

C$ 902

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 2/5

4:17 p.m.-11:44 a.m.

1 stop18h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

7:20 a.m.-5:38 p.m.

1 stop11h 18m

C$ 912

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 17/8

3:36 p.m.-10:02 p.m.

1 stop5h 26m

Toronto Pearson Intl

Thu 20/8

6:15 a.m.-4:42 p.m.

2 stops11h 27m

C$ 939

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 40 resultsSorted by cheapest first
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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$ 222). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 1,035). 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 4h 37m. The distance between Kansas City and Region of Ontario is about 1698 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 - Montreal Pierre Elliott Trudeau Intl. You may also consider Kansas City - Toronto Pearson 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$ 222). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 1,035). 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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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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