What are the cheapest airlines to fly from Kansas City to Region of Ontario one-way?

One-way options have recently been found by users for as low as C$ 286 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from C$ 324 and Delta from C$ 338 one-way.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 - Montreal Pierre Elliott Trudeau Intl. You may also consider Kansas City - Toronto Pearson Intl or Kansas City - Ottawa.

What are the cheapest flights from Kansas City to Region of Ontario?

Looking for the cheapest flight from Kansas City to Region of Ontario? While on average our users pay C$ 464, our data indicates the cheapest price to be C$ 235. The most popular route (Kansas City - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 422.

How far in advance should I book a flight from Kansas City to Region of Ontario?

Find a great deal and save up to 197% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Kansas City to Region of Ontario within the next two weeks, with the cheapest ticket starting at C$ 932.

What is the cheapest month to fly from Kansas City to Region of Ontario?

Flights from Kansas City to Region of Ontario lean towards being more expensive in January. Prices are generally better when you fly from Kansas City to Region of Ontario in September, with the cheapest ticket starting at C$ 334.

What is the cheapest time of day to fly from MCI to ON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas City to Region of Ontario as you normally would.

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.

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.

C$ 174+ Flights from Kansas City to Ontario

Cheap flight deals from Kansas City to Ontario

Round-trip from	C$ 423
One-way from	C$ 174
Popular in	January
Cheapest in	September
Average price	C$ 1,021

15/9-18/9
3 total stops
39h 02m total
Kansas City to Ontario

Search Deals

19/9
1 total stop
25h 42m total
Kansas City to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Kansas City to Ontario

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 July 2025.

Mon 15/92:55 p.m.MCI - YYZ

2 stops22h 10mMultiple Airlines

Thu 18/97:15 a.m.YYZ - MCI

1 stop16h 52mMultiple Airlines

Deal found 29/7C$ 423

Sat 13/95:15 a.m.MCI - YUL

1 stop8h 05mMultiple Airlines

Sat 20/96:45 a.m.YUL - MCI

2 stops17h 22mMultiple Airlines

Deal found 30/7C$ 462

Tue 21/107:49 p.m.MCI - YYZ

1 stop15h 46mAmerican Airlines

Wed 29/1011:45 a.m.YYZ - MCI

1 stop10h 07mAmerican Airlines

Deal found 29/7C$ 595

Sat 4/101:03 p.m.MCI - YUL

1 stop21h 43mAmerican Airlines

Sat 11/1012:30 p.m.YUL - MCI

1 stop9h 41mAmerican Airlines

Deal found 29/7C$ 599

Mon 11/86:04 p.m.MCI - YOW

2 stops22h 02mMultiple Airlines

Fri 22/812:20 p.m.YOW - MCI

3 stops26h 41mMultiple Airlines

Deal found 28/7C$ 695

Mon 18/86:27 p.m.MCI - YOW

2 stops14h 31mUnited Airlines

Thu 21/87:29 p.m.YOW - MCI

1 stop20h 19mUnited Airlines

Deal found 29/7C$ 1,134

Best flights from Kansas City to Ontario
Discover carefully curated flight deals from Kansas City to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Mon 15/92:55 p.m.MCI - YYZ

2 stops22h 10mMultiple Airlines

Thu 18/97:15 a.m.YYZ - MCI

1 stop16h 52mMultiple Airlines

Deal found 29/7C$ 423

Tue 21/107:49 p.m.MCI - YYZ

1 stop15h 46mAmerican Airlines

Wed 29/1011:45 a.m.YYZ - MCI

1 stop10h 07mAmerican Airlines

Deal found 29/7C$ 595

Sat 13/95:15 a.m.MCI - YUL

1 stop8h 05mMultiple Airlines

Sat 20/96:45 a.m.YUL - MCI

2 stops17h 22mMultiple Airlines

Deal found 30/7C$ 462

Mon 18/86:27 p.m.MCI - YOW

2 stops14h 31mUnited Airlines

Thu 21/87:29 p.m.YOW - MCI

1 stop20h 19mUnited Airlines

Deal found 29/7C$ 1,134

Sat 4/101:03 p.m.MCI - YUL

1 stop21h 43mAmerican Airlines

Sat 11/1012:30 p.m.YUL - MCI

1 stop9h 41mAmerican Airlines

Deal found 29/7C$ 599

Mon 11/86:04 p.m.MCI - YOW

2 stops22h 02mMultiple Airlines

Fri 22/812:20 p.m.YOW - MCI

3 stops26h 41mMultiple Airlines

Deal found 28/7C$ 695

Last-minute flights from Kansas City to Ontario
Discover last-minute flight deals from Kansas City to Ontario. Data last updated 30 July 2025 and is based on user searches.

Sun 3/810:38 a.m.MCI - YYZ

2 stops19h 14mWestJet

Tue 5/86:15 a.m.YYZ - MCI

1 stop6h 48mWestJet

Deal found 30/7C$ 1,043

Mon 4/86:00 a.m.MCI - YUL

1 stop8h 24mAmerican Airlines

Mon 4/85:29 p.m.YUL - MCI

1 stop16h 05mAmerican Airlines

Deal found 28/7C$ 1,363

Mon 4/86:00 a.m.MCI - YUL

2 stops9h 10mUnited Airlines

Mon 4/87:10 p.m.YUL - MCI

2 stops16h 25mUnited Airlines

Deal found 28/7C$ 1,534

Wed 6/82:32 p.m.MCI - YYZ

2 stops31h 12mMultiple Airlines

Tue 12/89:35 a.m.YYZ - MCI

3 stops38h 18mMultiple Airlines

Deal found 30/7C$ 1,036

Wed 6/85:00 p.m.MCI - YYZ

2 stops21h 00mAlaska Airlines

Tue 12/81:25 p.m.YYZ - MCI

2 stops35h 10mAlaska Airlines

Deal found 30/7C$ 2,241

Thu 7/84:23 p.m.MCI - YUL

1 stop30h 52mMultiple Airlines

Sun 10/86:35 p.m.YUL - MCI

2 stops23h 34mMultiple Airlines

Deal found 28/7C$ 955

Thu 7/810:38 a.m.MCI - YYZ

1 stop5h 37mWestJet

Sat 9/87:45 a.m.YYZ - MCI

1 stop5h 18mWestJet

Deal found 30/7C$ 1,284

Thu 7/86:30 a.m.MCI - YYZ

2 stops8h 43mDelta

Sat 9/86:30 a.m.YYZ - MCI

1 stop4h 13mDelta

Deal found 29/7C$ 1,618

Fri 8/85:44 p.m.MCI - YUL

1 stop4h 24mWestJet

Tue 12/86:00 a.m.YUL - MCI

1 stop11h 58mWestJet

Deal found 30/7C$ 1,239

Mon 11/86:04 p.m.MCI - YOW

2 stops22h 02mMultiple Airlines

Fri 22/812:20 p.m.YOW - MCI

3 stops26h 41mMultiple Airlines

Deal found 28/7C$ 695

Wed 13/812:05 p.m.MCI - YYZ

1 stop10h 38mDelta

Sun 24/86:20 a.m.YYZ - MCI

1 stop6h 11mDelta

Deal found 30/7C$ 1,008

Wed 13/88:00 a.m.MCI - YUL

1 stop8h 26mUnited Airlines

Sat 23/86:15 a.m.YUL - MCI

1 stop12h 05mUnited Airlines

Deal found 29/7C$ 1,029

One-way flights from Kansas City to Ontario
Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Fri 19/911:23 a.m.MCI - YYZ

1 stop25h 42mMultiple Airlines

Deal found 29/7C$ 174

Wed 20/86:00 a.m.MCI - YUL

3 stops15h 15mMultiple Airlines

Deal found 30/7C$ 204

Wed 26/116:05 a.m.MCI - YUL

1 stop8h 06mAmerican Airlines

Deal found 29/7C$ 286

Tue 26/86:00 a.m.MCI - YYZ

1 stop9h 38mAmerican Airlines

Deal found 29/7C$ 321

Fri 12/97:59 p.m.MCI - YYZ

1 stop18h 01mAlaska Airlines

Deal found 29/7C$ 324

Sat 13/98:25 a.m.MCI - YYZ

2 stops13h 31mDelta

Deal found 30/7C$ 338

Tue 19/81:45 p.m.MCI - YYZ

1 stop22h 13mUnited Airlines

Deal found 30/7C$ 516

Fri 8/86:27 p.m.MCI - YUL

2 stops15h 07mAir Canada

Deal found 29/7C$ 668

Fri 8/88:00 a.m.MCI - YUL

2 stops10h 45mUnited Airlines

Deal found 30/7C$ 680

Mon 11/83:56 p.m.MCI - YUL

1 stop6h 19mDelta

Deal found 30/7C$ 717

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 15/9

2:55 p.m.-2:05 p.m.

2 stops22h 10m

Toronto Pearson Intl

Thu 18/9

7:15 a.m.-11:07 p.m.

1 stop16h 52m

C$ 423

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 13/9

5:15 a.m.-2:20 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:45 a.m.-11:07 p.m.

2 stops17h 22m

C$ 462

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 21/10

7:49 p.m.-12:35 p.m.

1 stop15h 46m

Toronto Pearson Intl

Wed 29/10

11:45 a.m.-8:52 p.m.

1 stop10h 07m

C$ 595

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/10

1:03 p.m.-11:46 a.m.

1 stop21h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

12:30 p.m.-9:11 p.m.

1 stop9h 41m

C$ 599

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 11/8

6:04 p.m.-5:06 p.m.

2 stops22h 02m

Ottawa

Fri 22/8

12:20 p.m.-2:01 p.m.

3 stops26h 41m

C$ 695

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Mon 18/8

6:27 p.m.-9:58 a.m.

2 stops14h 31m

Ottawa

Thu 21/8

7:29 p.m.-2:48 p.m.

1 stop20h 19m

C$ 1,134

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Fri 19/9

11:23 a.m.-2:05 p.m.

1 stop25h 42m

C$ 174

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 20/8

6:00 a.m.-10:15 p.m.

3 stops15h 15m

C$ 204

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 26/11

6:05 a.m.-3:11 p.m.

1 stop8h 06m

C$ 286

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Tue 26/8

6:00 a.m.-4:38 p.m.

1 stop9h 38m

C$ 321

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 16 results

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, January is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 167). Flying from Kansas City to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Kansas City to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,980 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,896 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Air Canada

7.1

Good

9,837 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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.
What are the cheapest airlines to fly from Kansas City to Region of Ontario one-way?
One-way options have recently been found by users for as low as C$ 286 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from C$ 324 and Delta from C$ 338 one-way.
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 - Montreal Pierre Elliott Trudeau Intl. You may also consider Kansas City - Toronto Pearson Intl or Kansas City - Ottawa.
What are the cheapest flights from Kansas City to Region of Ontario?
Looking for the cheapest flight from Kansas City to Region of Ontario? While on average our users pay C$ 464, our data indicates the cheapest price to be C$ 235. The most popular route (Kansas City - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 422.
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, January is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of C$ 167). Flying from Kansas City to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Alternative routes for Kansas City to Ontario

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Kingston Airport car rentals

Timmins Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

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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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Cheap flights from Kansas City to Ontario from C$ 174

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Ontario

Cheapest flights from Kansas City to OntarioExplore 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 July 2025.

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 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Ontario that are best for you.

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.

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?

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Kansas City to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from Kansas City to Region of Ontario one-way?

What are the most popular routes from Kansas City to Region of Ontario?

What are the cheapest flights from Kansas City to Region of Ontario?

Can I find deals for flights from Kansas City to Ontario that include hotel bookings?

How can I find direct flights from Kansas City to Ontario?

Can I find deals for business class flights from Kansas City to Ontario?

What is the cheapest month to book a flight from Kansas City to Region of Ontario?

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.

Alternative routes for Kansas City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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?

Why should you use Cheapflights to find cheap flight tickets from Kansas City to Ontario?

Can Cheapflights find flights from Kansas City to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Kansas City to Ontario become cheaper?

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Travel Smart

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 July 2025.