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Cheap flights from Kansas City to Ontario from C$ 267

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
17 Jul — 24 Jul1
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 17 June 2026.

Fri 16/109:16 a.m.
MCI
-
YYZ
1 stop10h 39m
Multiple Airlines
Sun 18/107:30 a.m.
YYZ
-
MCI
1 stop25h 56m
Multiple Airlines
Deal found 16/6C$ 563
Sun 16/84:32 p.m.
MCI
-
YYZ
2 stops37h 23m
Multiple Airlines
Sat 22/88:35 p.m.
YYZ
-
MCI
1 stop17h 20m
Multiple Airlines
Deal found 15/6C$ 620
Thu 20/81:50 p.m.
MCI
-
YYZ
1 stop15h 49m
Multiple Airlines
Sun 23/88:35 p.m.
YYZ
-
MCI
1 stop17h 20m
Multiple Airlines
Deal found 15/6C$ 662
Thu 16/74:32 p.m.
MCI
-
YYZ
1 stop13h 07m
Multiple Airlines
Sun 19/76:30 a.m.
YYZ
-
MCI
2 stops35h 40m
Multiple Airlines
Deal found 15/6C$ 692
Tue 22/912:19 p.m.
MCI
-
YYZ
1 stop10h 07m
American Airlines
Tue 29/96:30 a.m.
YYZ
-
MCI
1 stop9h 52m
American Airlines
Deal found 16/6C$ 697
Tue 14/75:30 a.m.
MCI
-
YYZ
1 stop8h 04m
American Airlines
Tue 28/71:17 p.m.
YYZ
-
MCI
1 stop12h 02m
American Airlines
Deal found 13/6C$ 721
Mon 20/76:07 p.m.
MCI
-
YUL
2 stops23h 08m
Multiple Airlines
Sat 25/76:00 a.m.
YUL
-
MCI
1 stop4h 44m
Multiple Airlines
Deal found 15/6C$ 725
Mon 10/86:07 p.m.
MCI
-
YUL
2 stops23h 08m
Multiple Airlines
Mon 17/86:47 p.m.
YUL
-
MCI
1 stop6h 11m
Multiple Airlines
Deal found 14/6C$ 728
Thu 17/91:50 p.m.
MCI
-
YYZ
1 stop15h 49m
Multiple Airlines
Tue 22/99:30 a.m.
YYZ
-
MCI
2 stops32h 46m
Multiple Airlines
Deal found 13/6C$ 745
Mon 13/76:07 p.m.
MCI
-
YYZ
2 stops21h 48m
Multiple Airlines
Mon 20/77:00 a.m.
YYZ
-
MCI
1 stop9h 47m
Multiple Airlines
Deal found 13/6C$ 762
Fri 3/76:16 p.m.
MCI
-
YUL
2 stops22h 59m
Multiple Airlines
Fri 10/72:29 p.m.
YUL
-
MCI
1 stop8h 52m
Multiple Airlines
Deal found 15/6C$ 785
Sat 4/75:29 a.m.
MCI
-
YUL
1 stop5h 14m
American Airlines
Sat 11/75:34 p.m.
YUL
-
MCI
1 stop15h 58m
American Airlines
Deal found 16/6C$ 790

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 17 June 2026.

Round-trip from

C$ 563

One-way from

C$ 267

Popular in

June

Cheapest in

April

Average price

C$ 1,253
16/10-18/10
  • 16/10-18/10
  • 2 total stops
  • 36h 35m total
  • Kansas City to Ontario
Search Deals
26/8
  • 26/8
  • 2 total stops
  • 32h 00m total
  • Kansas City to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 17 June 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 CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 15/7

1:18 p.m.-11:52 p.m.

1 stop9h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

12:44 p.m.-8:56 p.m.

1 stop9h 12m

C$ 809
Quickest round-trip

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 17/10

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

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

9:45 a.m.-2:18 p.m.

1 stop5h 33m

C$ 809

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 2/12

7:00 a.m.-5:03 p.m.

1 stop9h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

11:15 a.m.-5:52 p.m.

1 stop7h 37m

C$ 809

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 15/9

10:00 a.m.-5:30 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

6:00 a.m.-4:12 p.m.

2 stops11h 12m

C$ 823

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 15/9

11:22 a.m.-5:30 p.m.

1 stop5h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

2:20 p.m.-9:47 p.m.

2 stops8h 27m

C$ 823

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 7/7

3:16 p.m.-9:26 p.m.

1 stop5h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

6:00 a.m.-2:20 p.m.

2 stops9h 20m

C$ 823

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 14/7

6:00 a.m.-9:19 p.m.

1 stop14h 19m

Toronto Pearson Intl

Wed 29/7

6:00 a.m.-10:21 p.m.

1 stop17h 21m

C$ 848

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 21/7

10:40 a.m.-6:54 p.m.

1 stop7h 14m

Montreal Pierre Elliott Trudeau Intl

Thu 30/7

7:00 a.m.-4:30 p.m.

1 stop10h 30m

C$ 855

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 31/8

10:00 a.m.-5:30 p.m.

1 stop6h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

6:10 a.m.-4:07 p.m.

1 stop10h 57m

C$ 855

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 1/7

6:25 a.m.-4:11 p.m.

1 stop8h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

5:10 p.m.-8:49 p.m.

1 stop4h 39m

C$ 855

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 47 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$ 137). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of C$ 920). 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 6h 24m. 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$ 137). Flying from Kansas City to Region of Ontario in June is currently the most expensive (average of C$ 920). 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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