Find flights
When to book
FAQs

Cheap flights from Kansas City to Ontario from C$ 212

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — YYZ
31 Aug — 7 Sep1
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 August 2026.

Fri 30/1010:56 a.m.
MCI
-
YYZ
1 stop11h 59m
Multiple Airlines
Sun 1/117:40 a.m.
YYZ
-
MCI
1 stop25h 46m
Multiple Airlines
Deal found 31/7C$ 486
Fri 2/109:36 a.m.
MCI
-
YYZ
1 stop10h 19m
Multiple Airlines
Sun 4/106:30 a.m.
YYZ
-
MCI
1 stop26h 56m
Multiple Airlines
Deal found 29/7C$ 564
Mon 26/109:16 a.m.
MCI
-
YYZ
1 stop8h 49m
Multiple Airlines
Fri 30/102:00 p.m.
YYZ
-
MCI
2 stops24h 22m
Multiple Airlines
Deal found 28/7C$ 589
Tue 25/85:00 a.m.
MCI
-
YYZ
1 stop8h 33m
American Airlines
Thu 27/811:39 a.m.
YYZ
-
MCI
1 stop13h 56m
American Airlines
Deal found 30/7C$ 620
Sat 29/82:00 p.m.
MCI
-
YYZ
1 stop8h 29m
American Airlines
Sat 5/97:29 a.m.
YYZ
-
MCI
1 stop8h 46m
American Airlines
Deal found 30/7C$ 634
Wed 28/102:17 p.m.
MCI
-
YYZ
2 stops30h 01m
Multiple Airlines
Sun 1/114:20 p.m.
YYZ
-
MCI
1 stop17h 06m
Multiple Airlines
Deal found 27/7C$ 642
Thu 5/115:45 a.m.
MCI
-
YYZ
1 stop9h 49m
American Airlines
Mon 9/116:21 p.m.
YYZ
-
MCI
1 stop15h 21m
American Airlines
Deal found 30/7C$ 644
Wed 26/86:15 a.m.
MCI
-
YYZ
1 stop9h 30m
American Airlines
Wed 2/97:20 a.m.
YYZ
-
MCI
1 stop8h 55m
American Airlines
Deal found 28/7C$ 645
Sat 12/95:13 a.m.
MCI
-
YYZ
1 stop11h 31m
American Airlines
Sat 19/96:30 a.m.
YYZ
-
MCI
1 stop9h 52m
American Airlines
Deal found 29/7C$ 651
Mon 31/84:47 p.m.
MCI
-
YYZ
1 stop12h 52m
Multiple Airlines
Mon 7/98:35 p.m.
YYZ
-
MCI
2 stops48h 02m
Multiple Airlines
Deal found 30/7C$ 652
Mon 2/116:35 p.m.
MCI
-
YUL
1 stop12h 57m
Delta
Mon 16/117:44 p.m.
YUL
-
MCI
1 stop14h 41m
Delta
Deal found 28/7C$ 672
Mon 2/119:16 a.m.
MCI
-
YUL
2 stops32h 59m
Multiple Airlines
Sun 15/118:00 a.m.
YUL
-
MCI
1 stop25h 56m
Multiple Airlines
Deal found 28/7C$ 684

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 August 2026.

Round-trip from

C$ 486

One-way from

C$ 212

Popular in

August

Cheapest in

April

Average price

C$ 1,396
30/10-1/11
  • 30/10-1/11
  • 2 total stops
  • 37h 45m total
  • Kansas City to Ontario
Search Deals
26/8
  • 26/8
  • 2 total stops
  • 25h 39m total
  • Kansas City to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 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 26/8

5:00 a.m.-6:30 p.m.

1 stop12h 30m

Toronto Pearson Intl

Sat 5/9

7:29 a.m.-3:15 p.m.

1 stop8h 46m

C$ 663

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 5/11

6:35 p.m.-8:32 a.m.

1 stop12h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

7:44 p.m.-9:25 a.m.

1 stop14h 41m

C$ 672

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Sat 29/8

7:00 a.m.-4:45 p.m.

1 stop8h 45m

Toronto Pearson Intl

Sat 5/9

1:15 p.m.-12:10 a.m.

1 stop11h 55m

C$ 672

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 1/9

6:36 p.m.-10:40 a.m.

1 stop15h 04m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

2:20 p.m.-7:32 p.m.

1 stop6h 12m

C$ 694

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 4/1

6:55 p.m.-8:42 a.m.

1 stop12h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

2:25 p.m.-10:25 p.m.

1 stop9h 00m

C$ 700

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 25/11

6:45 a.m.-5:54 p.m.

1 stop10h 09m

Toronto Pearson Intl

Sat 5/12

6:00 a.m.-9:39 a.m.

1 stop4h 39m

C$ 712

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 20/10

2:56 p.m.-10:52 p.m.

1 stop6h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

7:40 a.m.-4:27 p.m.

1 stop9h 47m

C$ 735

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 2/11

6:35 p.m.-8:32 a.m.

1 stop12h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

6:00 a.m.-1:27 p.m.

1 stop8h 27m

C$ 743

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 20/10

9:59 a.m.-7:45 p.m.

2 stops8h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

2:20 p.m.-7:46 p.m.

1 stop6h 26m

C$ 749

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 22/9

10:00 a.m.-7:45 p.m.

2 stops8h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

9:45 a.m.-3:53 p.m.

1 stop7h 08m

C$ 749

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 56 resultsSorted by cheapest first
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 743). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of C$ 1,206). 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?

Airfare is below average for this route at the moment.
Kansas City to Region of Ontario flights typically cost between C$ 851 and C$ 1,343 in October.
The cheapest round-trip price found within the last 5 days was C$ 486 on Multiple Airlines (30 Oct-1 Nov).

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 30m. The distance between Kansas City and Region of Ontario is about 1345 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, February is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 743). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of C$ 1,206). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.