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Cheap flights from Kansas City to Ontario from C$ 183

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
11 Jan — 18 Jan1
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 12 December 2025.

Sun 28/126:15 p.m.MCI - YYZ
1 stop26h 57mMultiple Airlines
Tue 6/13:40 p.m.YYZ - MCI
1 stop26h 30mMultiple Airlines
Deal found 10/12C$ 530
Wed 17/1211:36 a.m.MCI - YOW
2 stops9h 20mUnited Airlines
Fri 26/125:09 p.m.YOW - MCI
1 stop5h 41mUnited Airlines
Deal found 10/12C$ 807
Fri 19/126:00 a.m.MCI - YOW
2 stops16h 54mUnited Airlines
Fri 26/125:09 p.m.YOW - MCI
1 stop5h 41mUnited Airlines
Deal found 10/12C$ 847
Sat 20/125:46 p.m.MCI - YOW
1 stop5h 08mUnited Airlines
Fri 26/125:09 p.m.YOW - MCI
1 stop5h 41mUnited Airlines
Deal found 10/12C$ 881
Wed 17/125:45 p.m.MCI - YOW
1 stop5h 09mUnited Airlines
Sat 27/126:15 a.m.YOW - MCI
1 stop16h 35mUnited Airlines
Deal found 10/12C$ 890
Mon 15/128:00 a.m.MCI - YOW
2 stops7h 32mUnited Airlines
Thu 25/129:45 a.m.YOW - MCI
1 stop6h 15mUnited Airlines
Deal found 10/12C$ 910
Fri 19/126:00 a.m.MCI - YOW
2 stops16h 54mUnited Airlines
Sat 27/126:15 a.m.YOW - MCI
1 stop14h 27mUnited Airlines
Deal found 10/12C$ 936
Thu 11/123:47 p.m.MCI - YYZ
1 stop21h 26mMultiple Airlines
Sun 14/128:00 p.m.YYZ - MCI
1 stop28h 15mMultiple Airlines
Deal found 10/12C$ 936
Wed 17/125:45 p.m.MCI - YOW
1 stop5h 09mUnited Airlines
Tue 23/122:15 p.m.YOW - MCI
1 stop7h 16mUnited Airlines
Deal found 10/12C$ 939
Sun 28/126:15 p.m.MCI - YYZ
2 stops26h 04mMultiple Airlines
Sat 3/17:10 a.m.YYZ - MCI
1 stop16h 49mMultiple Airlines
Deal found 9/12C$ 945
Tue 30/126:15 p.m.MCI - YYZ
2 stops26h 04mMultiple Airlines
Sat 3/17:10 a.m.YYZ - MCI
1 stop16h 49mMultiple Airlines
Deal found 9/12C$ 952
Sat 20/125:46 p.m.MCI - YOW
1 stop5h 08mUnited Airlines
Sat 27/126:15 a.m.YOW - MCI
1 stop14h 27mUnited Airlines
Deal found 10/12C$ 965

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 12 December 2025.

Round-trip from

C$ 401

One-way from

C$ 183

Popular in

January

Cheapest in

February

Average price

C$ 1,036
23/1-25/1
  • 23/1-25/1
  • 2 total stops
  • 24h 47m total
  • Kansas City to Ontario
Search Deals
25/1
  • 25/1
  • 3 total stops
  • 36h 09m total
  • 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 (C$ 23 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 629,999 searches. Data last updated 12 December 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 23/1

11:26 a.m.-10:12 p.m.

1 stop9h 46m

Toronto Pearson Intl

Sun 25/1

8:30 p.m.-10:31 a.m.

1 stop15h 01m

C$ 401

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 10/1

5:04 p.m.-2:20 p.m.

1 stop20h 16m

Toronto Pearson Intl

Sat 17/1

8:30 p.m.-10:31 a.m.

1 stop15h 01m

C$ 432

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Thu 15/1

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

1 stop10h 54m

Toronto Pearson Intl

Sun 18/1

8:00 p.m.-6:18 p.m.

2 stops23h 18m

C$ 472

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 9/1

12:50 p.m.-7:05 a.m.

2 stops17h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

8:00 a.m.-10:31 a.m.

1 stop27h 31m

C$ 499

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sun 11/1

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

1 stop12h 18m

Ottawa

Thu 15/1

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

1 stop5h 48m

C$ 501

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 15/1

11:26 a.m.-12:25 a.m.

1 stop11h 59m

Ottawa

Sun 18/1

4:15 p.m.-10:31 a.m.

1 stop19h 16m

C$ 503

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 27/1

5:04 p.m.-2:16 p.m.

1 stop20h 12m

Toronto Pearson Intl

Sat 31/1

7:15 a.m.-4:09 p.m.

2 stops9h 54m

C$ 514

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sun 28/12

6:15 p.m.-10:12 p.m.

1 stop26h 57m

Toronto Pearson Intl

Tue 6/1

11:30 p.m.-5:10 p.m.

2 stops18h 40m

C$ 601

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 15/1

11:29 a.m.-5:12 p.m.

1 stop4h 43m

Ottawa

Sun 18/1

12:00 p.m.-8:33 p.m.

2 stops9h 33m

C$ 621

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 8/1

7:00 a.m.-1:32 p.m.

2 stops53h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:45 a.m.-10:31 a.m.

1 stop28h 46m

C$ 629

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 28 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 C$ 367). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of C$ 1,005). 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.

How much does it cost to fly round-trip from Kansas City to Region of Ontario?

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 12h 18m. The distance between Kansas City and Region of Ontario is about 1698 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, November is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 367). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of C$ 1,005). 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
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Kansas City to Calgary flights
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Springfield to Pearson Intl flights
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Kansas City to Saskatoon flights
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St. Louis to Saskatoon flights
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Kansas City to Moncton flights
St. Louis to Charlottetown flights
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Fly with Cheapflights

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

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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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