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Cheap flights from Kansas City to Ontario from C$ 177

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 30 October 2025.

Fri 12/127:01 p.m.MCI - YYZ
2 stops18h 19mMultiple Airlines
Mon 15/127:10 a.m.YYZ - MCI
1 stop17h 05mMultiple Airlines
Deal found 29/10C$ 433
Thu 11/123:47 p.m.MCI - YYZ
1 stop7h 24mMultiple Airlines
Sun 14/128:00 p.m.YYZ - MCI
1 stop28h 15mMultiple Airlines
Deal found 28/10C$ 454
Tue 16/126:30 a.m.MCI - YYZ
1 stop12h 25mMultiple Airlines
Sun 11/17:10 a.m.YYZ - MCI
1 stop30h 29mMultiple Airlines
Deal found 30/10C$ 478
Fri 28/1112:58 p.m.MCI - YYZ
2 stops23h 42mMultiple Airlines
Mon 1/125:15 p.m.YYZ - MCI
1 stop19h 48mMultiple Airlines
Deal found 30/10C$ 499
Wed 19/116:06 a.m.MCI - YOW
1 stop6h 26mUnited Airlines
Wed 3/126:20 a.m.YOW - MCI
1 stop9h 01mUnited Airlines
Deal found 29/10C$ 507
Fri 12/123:47 p.m.MCI - YYZ
1 stop18h 56mMultiple Airlines
Fri 19/129:35 a.m.YYZ - MCI
2 stops35h 16mMultiple Airlines
Deal found 28/10C$ 512
Tue 25/119:58 a.m.MCI - YOW
2 stops12h 56mUnited Airlines
Tue 2/125:14 p.m.YOW - MCI
1 stop5h 44mUnited Airlines
Deal found 29/10C$ 519
Sun 14/1211:58 a.m.MCI - YYZ
2 stops19h 40mMultiple Airlines
Thu 18/129:35 a.m.YYZ - MCI
1 stop30h 17mMultiple Airlines
Deal found 29/10C$ 528
Thu 20/1112:58 p.m.MCI - YYZ
1 stop16h 22mMultiple Airlines
Sun 23/117:10 a.m.YYZ - MCI
1 stop29h 53mMultiple Airlines
Deal found 30/10C$ 529
Mon 24/117:31 p.m.MCI - YOW
1 stop20h 54mMultiple Airlines
Wed 3/125:40 a.m.YOW - MCI
2 stops42h 35mMultiple Airlines
Deal found 29/10C$ 545
Wed 19/111:23 p.m.MCI - YOW
2 stops27h 02mMultiple Airlines
Tue 2/129:30 a.m.YOW - MCI
1 stop27h 33mMultiple Airlines
Deal found 29/10C$ 546
Mon 24/117:31 p.m.MCI - YOW
1 stop20h 54mMultiple Airlines
Mon 1/124:15 p.m.YOW - MCI
2 stops20h 48mMultiple Airlines
Deal found 29/10C$ 580

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 30 October 2025.

Round-trip from

C$ 433

One-way from

C$ 177

Popular in

October

Cheapest in

February

Average price

C$ 1,166
12/12-15/12
  • 12/12-15/12
  • 3 total stops
  • 35h 24m total
  • Kansas City to Ontario
Search Deals
11/12
  • 11/12
  • 1 total stop
  • 7h 24m total
  • Kansas City to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 30 October 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

Fri 12/12

7:01 p.m.-2:20 p.m.

2 stops18h 19m

Toronto Pearson Intl

Mon 15/12

7:10 a.m.-11:15 p.m.

1 stop17h 05m

C$ 433

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 11/12

3:47 p.m.-12:11 a.m.

1 stop7h 24m

Toronto Pearson Intl

Sun 14/12

8:00 p.m.-11:15 p.m.

1 stop28h 15m

C$ 454

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 16/12

6:30 a.m.-7:55 p.m.

1 stop12h 25m

Toronto Pearson Intl

Sun 11/1

7:10 a.m.-12:39 p.m.

1 stop30h 29m

C$ 478

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sun 23/11

6:43 p.m.-10:26 a.m.

1 stop14h 43m

Ottawa

Sat 29/11

9:45 a.m.-2:59 p.m.

1 stop6h 14m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 3/3

8:00 a.m.-5:07 p.m.

1 stop8h 07m

Ottawa

Wed 4/3

5:11 p.m.-9:59 p.m.

1 stop5h 48m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 25/11

8:00 a.m.-9:18 p.m.

1 stop12h 18m

Ottawa

Tue 2/12

9:45 a.m.-2:59 p.m.

1 stop6h 14m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 24/11

6:43 p.m.-10:26 a.m.

1 stop14h 43m

Ottawa

Tue 2/12

11:10 a.m.-9:58 p.m.

1 stop11h 48m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 24/11

6:43 p.m.-10:26 a.m.

1 stop14h 43m

Ottawa

Sat 29/11

9:45 a.m.-2:59 p.m.

1 stop6h 14m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sat 22/11

6:35 p.m.-10:26 a.m.

1 stop14h 51m

Ottawa

Sat 29/11

9:45 a.m.-2:59 p.m.

1 stop6h 14m

C$ 507

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 15/1

11:29 a.m.-9:18 p.m.

1 stop8h 49m

Ottawa

Sun 18/1

6:20 a.m.-10:32 a.m.

1 stop5h 12m

C$ 507

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 408). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of C$ 1,018). 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 8h 08m. The distance between Kansas City and Region of Ontario is about 1846 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 - 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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 408). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of C$ 1,018). 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 Pearson Intl flights
Kansas City to Pearson Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights
St. Louis to Vancouver Intl flights
Kansas City to Vancouver Intl flights
Kansas City to Pierre Elliott Trudeau Intl flights
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Kansas City to Québec City flights
Kansas City to Halifax flights
Kansas City to Calgary flights
St. Louis to Québec City flights
St. Louis to Winnipeg flights
St. Louis to Halifax flights
St. Louis to Saskatoon flights
St. Louis to Edmonton flights
Kansas City to Ottawa flights
Kansas City to Moncton flights
Springfield to Pearson Intl flights
St. Louis to Charlottetown flights
Kansas City to Victoria flights
Joplin to Pierre Elliott Trudeau Intl flights
Kansas City to Saskatoon flights
St. Louis to Kelowna 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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