How long is the flight from Kansas City to Region of Ontario?

United Airlines, Air Canada, and American Airlines can get you from Kansas City to Region of Ontario in just under 10h 19m. Your travel time can differ by up to 9h 15m. There are 1055 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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

Most travelers choose Kansas City - Toronto Pearson Intl, Kansas City - Montreal Pierre Elliott Trudeau Intl or Kansas City - Toronto Island when deciding on the best route from Kansas City to Region of Ontario.

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

On average you can expect to pay $984 for a flight from Kansas City to Region of Ontario. The cheapest flight overall is $556 while the most popular route, (Kansas City - Toronto Pearson Intl) is currently priced at $254.

What are the most popular airlines that fly from Kansas City to Region of Ontario?

The most popular airlines flying from Kansas City to Region of Ontario are Delta, American Airlines and United Airlines. Something to consider prior to booking your flight.

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

When flying from Kansas City to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Kansas City to Ontario?

Kansas City (MCI), located 17.4 mi from the city center, is the airport you fly out of when you book flights from Kansas City to Ontario.

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.

$123+ Flights from Kansas City to Ontario

Q: 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 $653 and $802 in January. The cheapest round-trip price found within the last 3 days was $254 on Multiple Airlines (Jan 14-Jan 21).

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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 December 1, 2025.

Wed 12/2411:33 amMCI - YYZ

2 stops10h 47mMultiple Airlines

Thu 1/19:35 amYYZ - MCI

1 stop8h 35mMultiple Airlines

Deal found 11/30

$356

Tue 12/306:15 pmMCI - YYZ

1 stop19h 25mMultiple Airlines

Tue 1/611:15 amYYZ - MCI

1 stop30h 55mMultiple Airlines

Deal found 11/30

$436

Tue 12/306:15 pmMCI - YTZ

2 stops24h 35mMultiple Airlines

Tue 1/66:15 pmYTZ - MCI

2 stops23h 55mMultiple Airlines

Deal found 11/30

$477

Tue 12/306:15 pmMCI - YYZ

1 stop19h 25mMultiple Airlines

Sun 1/48:20 pmYYZ - MCI

2 stops14h 48mMultiple Airlines

Deal found 11/30

$480

Wed 12/37:31 pmMCI - YUL

1 stop19h 52mMultiple Airlines

Sat 12/66:45 amYUL - MCI

2 stops12h 11mMultiple Airlines

Deal found 11/30

$570

Sat 12/203:47 pmMCI - YUL

1 stop7h 43mMultiple Airlines

Sun 12/215:10 pmYUL - MCI

2 stops17h 58mMultiple Airlines

Deal found 11/29

$669

Sun 11/306:00 amMCI - YTZ

2 stops15h 03mMultiple Airlines

Sun 12/77:00 amYTZ - MCI

2 stops17h 15mMultiple Airlines

Deal found 11/30

$680

Fri 12/122:13 pmMCI - YUL

1 stop8h 19mDelta

Mon 1/196:02 pmYUL - MCI

1 stop6h 49mDelta

Deal found 11/29

$726

Sat 12/205:20 pmMCI - YUL

1 stop19h 26mAmerican Airlines

Sun 12/213:51 pmYUL - MCI

1 stop7h 20mAmerican Airlines

Deal found 11/29

$732

Sun 11/306:00 amMCI - YTZ

2 stops15h 03mMultiple Airlines

Tue 12/93:00 pmYTZ - MCI

3 stops30h 44mMultiple Airlines

Deal found 11/29

$741

Wed 12/243:47 pmMCI - YTZ

2 stops20h 33mMultiple Airlines

Thu 1/19:25 amYTZ - MCI

2 stops14h 34mMultiple Airlines

Deal found 11/30

$765

Sat 12/206:36 pmMCI - YUL

1 stop18h 10mAmerican Airlines

Fri 12/267:08 amYUL - MCI

1 stop8h 44mAmerican Airlines

Deal found 11/29

$765

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 December 1, 2025.

Wed 1/145:04 pmMCI - YYZ

1 stop20h 16mMultiple Airlines

Wed 1/2111:15 amYYZ - MCI

1 stop24h 16mMultiple Airlines

Deal found 11/30

$254

Thu 1/1512:35 pmMCI - YOW

1 stop10h 19mUnited Airlines

Sun 1/187:27 pmYOW - MCI

2 stops16h 05mUnited Airlines

Deal found 11/29

$361

Thu 1/158:00 amMCI - YOW

1 stop12h 18mAir Canada

Sun 1/1810:20 amYOW - MCI

2 stops11h 13mAir Canada

Deal found 11/28

$438

Tue 1/132:45 pmMCI - YYZ

1 stop23h 50mAlaska Airlines

Tue 1/204:45 pmYYZ - MCI

1 stop22h 05mAlaska Airlines

Deal found 11/29

$469

Mon 1/1911:26 amMCI - YYZ

1 stop10h 54mMultiple Airlines

Fri 1/238:00 pmYYZ - MCI

1 stop28h 33mMultiple Airlines

Deal found 11/30

$277

Thu 1/226:34 pmMCI - YUL

1 stop19h 34mAmerican Airlines

Mon 1/263:50 pmYUL - MCI

1 stop27h 13mAmerican Airlines

Deal found 11/28

$570

Thu 1/227:27 pmMCI - YUL

1 stop12h 17mDelta

Mon 1/267:30 pmYUL - MCI

1 stop16h 43mDelta

Deal found 11/29

$640

Mon 2/237:00 amMCI - YYZ

1 stop22h 43mMultiple Airlines

Fri 2/278:00 pmYYZ - MCI

2 stops24h 51mMultiple Airlines

Deal found 11/30

$299

Wed 3/47:00 amMCI - YYZ

1 stop11h 55mMultiple Airlines

Tue 3/101:30 pmYYZ - MCI

2 stops35h 03mMultiple Airlines

Deal found 11/30

$335

Wed 1/711:29 amMCI - YOW

1 stop4h 43mAir Canada

Sun 1/118:25 pmYOW - MCI

2 stops19h 02mAir Canada

Deal found 11/28

$462

Wed 1/142:45 pmMCI - YYZ

1 stop23h 50mAlaska Airlines

Wed 1/214:45 pmYYZ - MCI

1 stop22h 05mAlaska Airlines

Deal found 11/29

$471

Wed 1/145:04 pmMCI - YTZ

2 stops22h 21mMultiple Airlines

Wed 1/219:25 amYTZ - MCI

2 stops26h 06mMultiple Airlines

Deal found 11/30

$387

Thu 1/82:45 pmMCI - YYZ

1 stop23h 50mAlaska Airlines

Mon 1/124:45 pmYYZ - MCI

1 stop22h 05mAlaska Airlines

Deal found 11/30

$472

Wed 12/243:47 pmMCI - YYZ

3 stops27h 26mMultiple Airlines

Thu 1/19:35 amYYZ - MCI

1 stop8h 35mMultiple Airlines

Deal found 11/30

$425

Tue 5/54:21 pmMCI - YUL

1 stop17h 54mAmerican Airlines

Sat 5/910:20 amYUL - MCI

1 stop11h 25mAmerican Airlines

Deal found 11/29

$658

Tue 5/192:55 pmMCI - YUL

1 stop8h 03mDelta

Wed 5/279:28 amYUL - MCI

1 stop7h 32mDelta

Deal found 11/30

$668

Wed 1/78:00 amMCI - YUL

1 stop5h 00mUnited Airlines

Wed 1/144:45 pmYUL - MCI

1 stop6h 14mUnited Airlines

Deal found 11/30

$668

Wed 3/44:24 pmMCI - YTZ

2 stops18h 16mMultiple Airlines

Tue 3/106:15 pmYTZ - MCI

2 stops22h 14mMultiple Airlines

Deal found 11/30

$443

Thu 1/298:00 amMCI - YTZ

2 stops12h 28mAir Canada

Mon 2/210:25 amYTZ - MCI

2 stops29h 02mAir Canada

Deal found 11/29

$658

Mon 5/45:40 pmMCI - YUL

1 stop4h 30mDelta

Sun 5/106:15 pmYUL - MCI

1 stop6h 40mDelta

Deal found 11/30

$668

Tue 1/133:24 pmMCI - YUL

1 stop4h 53mUnited Airlines

Tue 1/204:45 pmYUL - MCI

1 stop6h 14mUnited Airlines

Deal found 11/29

$668

Tue 5/194:15 pmMCI - YUL

1 stop6h 43mDelta

Sat 5/239:28 amYUL - MCI

1 stop7h 32mDelta

Deal found 11/30

$668

Wed 2/117:00 amMCI - YUL

2 stops23h 05mMultiple Airlines

Mon 2/164:15 pmYUL - MCI

3 stops32h 18mMultiple Airlines

Deal found 11/30

$457

Tue 5/192:55 pmMCI - YUL

1 stop8h 03mDelta

Fri 5/226:00 amYUL - MCI

1 stop8h 15mDelta

Deal found 11/30

$668

Mon 2/2311:26 amMCI - YTZ

2 stops24h 52mMultiple Airlines

Fri 2/276:15 pmYTZ - MCI

2 stops22h 14mMultiple Airlines

Deal found 11/30

$465

Tue 12/306:15 pmMCI - YTZ

2 stops24h 35mMultiple Airlines

Tue 1/66:15 pmYTZ - MCI

2 stops23h 55mMultiple Airlines

Deal found 11/30

$477

Mon 1/1911:26 amMCI - YTZ

2 stops22h 09mMultiple Airlines

Fri 1/236:15 pmYTZ - MCI

2 stops22h 54mMultiple Airlines

Deal found 11/30

$489

Thu 3/2611:26 amMCI - YTZ

2 stops22h 09mMultiple Airlines

Wed 4/17:45 amYTZ - MCI

2 stops17h 14mMultiple Airlines

Deal found 11/30

$600

Sat 12/203:47 pmMCI - YUL

1 stop7h 43mMultiple Airlines

Sun 12/215:10 pmYUL - MCI

2 stops17h 58mMultiple Airlines

Deal found 11/29

$669

Wed 12/243:47 pmMCI - YTZ

2 stops20h 33mMultiple Airlines

Thu 1/19:25 amYTZ - MCI

2 stops14h 34mMultiple Airlines

Deal found 11/30

$765

Last-minute flights from Kansas City to Ontario
Discover last-minute flight deals from Kansas City to Ontario. Data last updated December 1, 2025 and is based on user searches.

Wed 12/37:31 pmMCI - YUL

1 stop19h 52mMultiple Airlines

Sat 12/66:45 amYUL - MCI

2 stops12h 11mMultiple Airlines

Deal found 11/30

$570

Wed 12/2411:33 amMCI - YYZ

2 stops10h 47mMultiple Airlines

Thu 1/19:35 amYYZ - MCI

1 stop8h 35mMultiple Airlines

Deal found 11/30

$356

Tue 12/306:15 pmMCI - YTZ

2 stops24h 35mMultiple Airlines

Tue 1/66:15 pmYTZ - MCI

2 stops23h 55mMultiple Airlines

Deal found 11/30

$477

Wed 1/711:29 amMCI - YOW

1 stop4h 43mAir Canada

Sun 1/118:25 pmYOW - MCI

2 stops19h 02mAir Canada

Deal found 11/28

$462

Wed 1/75:45 pmMCI - YOW

1 stop5h 09mUnited Airlines

Sun 1/116:20 amYOW - MCI

1 stop5h 12mUnited Airlines

Deal found 11/29

$502

Wed 1/145:04 pmMCI - YYZ

1 stop20h 16mMultiple Airlines

Wed 1/2111:15 amYYZ - MCI

1 stop24h 16mMultiple Airlines

Deal found 11/30

$254

Wed 1/145:04 pmMCI - YTZ

2 stops22h 21mMultiple Airlines

Wed 1/219:25 amYTZ - MCI

2 stops26h 06mMultiple Airlines

Deal found 11/30

$387

Thu 1/1512:35 pmMCI - YOW

1 stop10h 19mUnited Airlines

Sun 1/187:27 pmYOW - MCI

2 stops16h 05mUnited Airlines

Deal found 11/29

$361

Thu 1/158:00 amMCI - YOW

1 stop12h 18mAir Canada

Sun 1/1810:20 amYOW - MCI

2 stops11h 13mAir Canada

Deal found 11/28

$438

Mon 1/1911:26 amMCI - YYZ

1 stop10h 54mMultiple Airlines

Fri 1/238:00 pmYYZ - MCI

1 stop28h 33mMultiple Airlines

Deal found 11/30

$277

Mon 1/1911:26 amMCI - YTZ

2 stops22h 09mMultiple Airlines

Fri 1/236:15 pmYTZ - MCI

2 stops22h 54mMultiple Airlines

Deal found 11/30

$489

Thu 1/226:34 pmMCI - YUL

2 stops16h 50mAmerican Airlines

Mon 1/263:50 pmYUL - MCI

1 stop19h 17mAmerican Airlines

Deal found 11/28

$580

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 December 1, 2025.

Tue 1/135:04 pmMCI - YUL

2 stops22h 56mMultiple Airlines

Deal found 11/29

$123

Mon 12/1512:46 pmMCI - YYZ

2 stops24h 19mMultiple Airlines

Deal found 12/1

$139

Wed 1/217:00 amMCI - YUL

2 stops23h 05mMultiple Airlines

Deal found 11/29

$143

Thu 12/189:29 amMCI - YYZ

1 stop10h 50mMultiple Airlines

Deal found 12/1

$156

Fri 12/1911:13 amMCI - YYZ

3 stops32h 00mMultiple Airlines

Deal found 12/1

$159

Fri 12/127:01 pmMCI - YYZ

1 stop18h 39mMultiple Airlines

Deal found 12/1

$162

Tue 12/166:30 amMCI - YYZ

1 stop12h 25mMultiple Airlines

Deal found 12/1

$174

Tue 1/1310:50 amMCI - YYZ

1 stop9h 33mAmerican Airlines

Deal found 11/29

$175

Wed 12/176:30 amMCI - YYZ

1 stop12h 25mMultiple Airlines

Deal found 12/1

$176

Sun 12/219:29 amMCI - YYZ

1 stop10h 50mMultiple Airlines

Deal found 12/1

$177

Tue 1/136:00 amMCI - YUL

1 stop8h 08mAmerican Airlines

Deal found 11/29

$191

Sun 12/216:15 pmMCI - YUL

3 stops29h 20mMultiple Airlines

Deal found 11/30

$216

Cheap flight deals from Kansas City to Ontario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$254 (Kiwi.com)
One-way from	$123 (Kiwi.com)
Popular in	November
Cheapest in	February
Average price	$750

Provider with most accurate pricing for Kansas City-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kansas City-Toronto (YTO) flights.

Search Deals

From Kansas City to Ontario

Search Deals

One-way flight from Kansas City to Ontario

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 1/14

5:04 pm-2:20 pm

1 stop20h 16m

Toronto Pearson Intl

Wed 1/21

11:15 am-10:31 am

1 stop24h 16m

$254

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 1/19

11:26 am-11:20 pm

1 stop10h 54m

Toronto Pearson Intl

Fri 1/23

8:00 pm-11:33 pm

1 stop28h 33m

$277

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 2/23

7:00 am-6:43 am

1 stop22h 43m

Toronto Pearson Intl

Fri 2/27

8:00 pm-7:51 pm

2 stops24h 51m

$299

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 3/4

7:00 am-7:55 pm

1 stop11h 55m

Toronto Pearson Intl

Tue 3/10

1:30 pm-11:33 pm

2 stops35h 03m

$335

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/15

12:35 pm-11:54 pm

1 stop10h 19m

Ottawa

Sun 1/18

7:27 pm-10:32 am

2 stops16h 05m

$361

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Wed 1/14

5:04 pm-4:25 pm

2 stops22h 21m

Toronto Island

Wed 1/21

9:25 am-10:31 am

2 stops26h 06m

$387

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Wed 12/24

3:47 pm-8:13 pm

3 stops27h 26m

Toronto Pearson Intl

Thu 1/1

9:35 am-5:10 pm

1 stop8h 35m

$425

Kansas CityOttawa

MCI - YOW

MCIYOW

Kansas City

Thu 1/15

8:00 am-9:18 pm

1 stop12h 18m

Ottawa

Sun 1/18

10:20 am-8:33 pm

2 stops11h 13m

$438

Kansas CityToronto

MCI - YTZ

MCIYTZ

Kansas City

Wed 3/4

4:24 pm-11:40 am

2 stops18h 16m

Toronto Island

Tue 3/10

6:15 pm-3:29 pm

2 stops22h 14m

$443

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 2/11

7:00 am-7:05 am

2 stops23h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

4:15 pm-11:33 pm

3 stops32h 18m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 47 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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $292). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of $729). 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?

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Kansas City to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,010 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,057 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,040 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,185 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,490 reviews

Delta

7.9

Good

8,010 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from Kansas City to Ontario?
Kansas City (MCI), located 17.4 mi from the city center, is the airport you fly out of when you book flights from Kansas City to Ontario.
How long is the flight from Kansas City to Region of Ontario?
United Airlines, Air Canada, and American Airlines can get you from Kansas City to Region of Ontario in just under 10h 19m. Your travel time can differ by up to 9h 15m. There are 1055 mi between Kansas City and Region of Ontario. This flight may include one or multiple stops.
What are the most popular routes from Kansas City to Region of Ontario?
Most travelers choose Kansas City - Toronto Pearson Intl, Kansas City - Montreal Pierre Elliott Trudeau Intl or Kansas City - Toronto Island when deciding on the best route from Kansas City to Region of Ontario.
What are the cheapest flights from Kansas City to Region of Ontario?
On average you can expect to pay $984 for a flight from Kansas City to Region of Ontario. The cheapest flight overall is $556 while the most popular route, (Kansas City - Toronto Pearson Intl) is currently priced at $254.
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, March is the cheapest month in which you can book a flight from Kansas City to Region of Ontario (average of $292). Flying from Kansas City to Region of Ontario in September is currently the most expensive (average of $729). 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

St. Louis to Pearson Intl flights

Kansas City to Vancouver Intl flights

Kansas City to Pearson Intl flights

St. Louis to Pierre Elliott Trudeau Intl flights

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St. Louis to Vancouver Intl flights

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Springfield to Vancouver Intl flights

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Kansas City to Québec City flights

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St. Louis to Edmonton flights

Joplin to Pearson Intl flights

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Columbia to Pearson Intl flights

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St. Louis to Victoria flights

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St. Louis to St. John's flights

Kansas City to Toronto Island flights

St. Louis to Halifax flights

Kansas City to Saskatoon flights

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St. Louis to Kelowna flights

Springfield to Calgary flights

Springfield to Pierre Elliott Trudeau Intl flights

Springfield to Pearson Intl flights

Columbia to Pierre Elliott Trudeau Intl flights

St. Louis to Grande Prairie flights

Joplin to Pierre Elliott Trudeau Intl flights

Kansas City to Victoria flights

Kansas City to Moncton flights

St. Louis to Saskatoon flights

St. Louis to Sydney flights

Springfield to Toronto Island flights

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

Thunder Bay Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

Sarnia Airport car rentals

Top 5 airlines flying from Kansas City to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$292	Average$688	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$465	Average$787	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$519	Average$661	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$525	Average$748	FlexibilityNo cancel fee	On-time60%
Delta	Cheapest$567	Average$722	FlexibilityNo cancel fee	On-timeN/A

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$123+ Cheap flights from Kansas City (MCI) to Ontario

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

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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 December 1, 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 December 1, 2025.

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 December 1, 2025.

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Best time to book a flight from Kansas City to Ontario

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Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Kansas City to Ontario. Reviews also offer insight into each airline's 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.

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

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Alternative routes for Kansas City to Ontario

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Top 5 airlines flying from Kansas City to Ontario

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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 December 1, 2025.