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Cheap flights from Kansas City to Ontario from C$ 244

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
4 Jun — 11 Jun1
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 5 May 2026.

Fri 12/66:16 p.m.
MCI
-
YYZ
2 stops21h 39m
Multiple Airlines
Sun 21/67:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 30/4C$ 581
Tue 23/61:45 p.m.
MCI
-
YYZ
2 stops31h 10m
Multiple Airlines
Tue 7/77:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 1/5C$ 600
Tue 23/61:45 p.m.
MCI
-
YYZ
2 stops32h 00m
Multiple Airlines
Wed 8/77:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 1/5C$ 601
Mon 29/69:50 a.m.
MCI
-
YYZ
1 stop9h 15m
Multiple Airlines
Tue 7/76:30 a.m.
YYZ
-
MCI
2 stops35h 51m
Multiple Airlines
Deal found 1/5C$ 648
Thu 25/61:45 p.m.
MCI
-
YYZ
2 stops32h 00m
Multiple Airlines
Tue 7/77:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 1/5C$ 649
Thu 25/61:45 p.m.
MCI
-
YYZ
2 stops32h 00m
Multiple Airlines
Wed 8/77:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 1/5C$ 650
Mon 15/610:35 a.m.
MCI
-
YYZ
1 stop29h 10m
Multiple Airlines
Sat 20/610:25 p.m.
YYZ
-
MCI
2 stops39h 35m
Multiple Airlines
Deal found 30/4C$ 654
Sat 27/66:16 p.m.
MCI
-
YYZ
2 stops49h 39m
Multiple Airlines
Wed 8/77:45 a.m.
YYZ
-
MCI
1 stop26h 10m
Multiple Airlines
Deal found 1/5C$ 656
Fri 12/66:16 p.m.
MCI
-
YYZ
2 stops25h 39m
Multiple Airlines
Fri 19/65:45 p.m.
YYZ
-
MCI
1 stop7h 33m
Multiple Airlines
Deal found 30/4C$ 657
Mon 29/69:50 a.m.
MCI
-
YYZ
1 stop9h 15m
Multiple Airlines
Wed 8/77:25 a.m.
YYZ
-
MCI
2 stops10h 56m
Multiple Airlines
Deal found 1/5C$ 673
Sun 28/69:50 a.m.
MCI
-
YYZ
1 stop12h 45m
Multiple Airlines
Wed 8/77:25 a.m.
YYZ
-
MCI
2 stops10h 56m
Multiple Airlines
Deal found 1/5C$ 679
Wed 3/67:53 a.m.
MCI
-
YOW
1 stop12h 42m
United Airlines
Sat 6/63:10 p.m.
YOW
-
MCI
1 stop9h 28m
United Airlines
Deal found 30/4C$ 750

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 5 May 2026.

Round-trip from

C$ 581

One-way from

C$ 244

Popular in

March

Cheapest in

February

Average price

C$ 872
12/6-21/6
  • 12/6-21/6
  • 3 total stops
  • 47h 49m total
  • Kansas City to Ontario
Search Deals
19/6
  • 19/6
  • 2 total stops
  • 18h 49m total
  • Kansas City to Ontario
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 5 May 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 CityOttawa

MCI - YOW

MCIYOW

Kansas City

Wed 3/6

7:53 a.m.-9:35 p.m.

1 stop12h 42m

Ottawa

Sat 6/6

3:10 p.m.-11:38 p.m.

1 stop9h 28m

C$ 750

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Sun 14/6

7:53 a.m.-9:35 p.m.

1 stop12h 42m

Ottawa

Sun 21/6

5:50 p.m.-11:59 p.m.

1 stop7h 09m

C$ 750

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 16/5

10:35 a.m.-3:00 p.m.

2 stops27h 25m

Toronto Pearson Intl

Sun 24/5

9:50 a.m.-9:29 a.m.

1 stop24h 39m

C$ 755

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 24/8

6:00 a.m.-9:56 p.m.

1 stop14h 56m

Ottawa

Mon 31/8

2:48 p.m.-11:57 p.m.

1 stop10h 09m

C$ 793

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Tue 16/6

11:25 a.m.-11:54 p.m.

2 stops11h 29m

Ottawa

Tue 23/6

3:10 p.m.-11:59 p.m.

1 stop9h 49m

C$ 800

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 26/5

7:42 p.m.-10:59 a.m.

1 stop14h 17m

Toronto Pearson Intl

Tue 2/6

6:26 p.m.-8:35 a.m.

1 stop15h 09m

C$ 857

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 18/6

6:00 a.m.-9:35 p.m.

1 stop14h 35m

Ottawa

Thu 25/6

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

1 stop10h 35m

C$ 882

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sun 31/5

6:30 a.m.-11:59 a.m.

1 stop4h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-5:29 p.m.

2 stops23h 09m

C$ 914

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 29/5

7:53 a.m.-8:44 p.m.

1 stop11h 51m

Toronto Pearson Intl

Tue 2/6

1:55 p.m.-11:13 p.m.

1 stop10h 18m

C$ 925

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 27/5

1:03 p.m.-11:59 p.m.

1 stop9h 56m

Toronto Pearson Intl

Sun 31/5

11:00 a.m.-8:42 a.m.

1 stop22h 42m

C$ 966

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 48 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$ 133). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 778). 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 11h 45m. 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, August is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 133). Flying from Kansas City to Region of Ontario in December is currently the most expensive (average of C$ 778). 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?

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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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