How long is the flight from Region of Ontario to Missouri?

Airlines like United Airlines and American Airlines fly from Region of Ontario to Missouri in about 6h 47m. The time it takes to get you to your destination can typically vary by up to 12h 43m. The distance between Region of Ontario and Missouri is about 1413 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Missouri ranges from 28.0 - 132.0 mm per month. May is typically the wettest month, when rainfall can reach 132.0 mm. January is typically the driest time to visit Missouri when rainfall is around 28.0 mm.

If weather is an important factor for your trip to Missouri, 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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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

Yes. In addition to deals on Ontario to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Missouri?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Missouri.

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

Yes. Cheapflights offers flight deals from Ontario to Missouri 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$ 186+ Flights from Ontario to Missouri

Q: How much does it cost to fly round-trip from Region of Ontario to Missouri?

Airfare is below average for this route at the moment. Region of Ontario to Missouri flights typically cost between C$ 683 and C$ 1,107 in January. The cheapest round-trip price found within the last 3 days was C$ 362 on Multiple Airlines (22 Jan-29 Jan).

Cheap flight deals from Ontario to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Missouri
Explore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Sun 14/123:40 p.m.YYZ - MCI

1 stop27h 16mMultiple Airlines

Tue 23/126:15 p.m.MCI - YYZ

1 stop19h 25mMultiple Airlines

Deal found 13/12C$ 683

Mon 15/127:10 a.m.YYZ - MCI

1 stop17h 05mMultiple Airlines

Tue 23/126:15 p.m.MCI - YYZ

1 stop19h 25mMultiple Airlines

Deal found 13/12C$ 684

Tue 30/125:30 p.m.YYZ - STL

1 stop6h 13mUnited Airlines

Sat 3/16:35 p.m.STL - YYZ

1 stop4h 24mUnited Airlines

Deal found 14/12C$ 684

Sun 14/128:30 p.m.YYZ - MCI

1 stop22h 26mMultiple Airlines

Thu 18/1211:53 a.m.MCI - YYZ

2 stops17h 54mMultiple Airlines

Deal found 12/12C$ 698

Mon 29/127:27 p.m.YOW - STL

2 stops18h 00mUnited Airlines

Tue 30/126:35 p.m.STL - YOW

2 stops17h 57mUnited Airlines

Deal found 13/12C$ 712

Tue 30/125:30 p.m.YYZ - COU

1 stop24h 55mUnited Airlines

Tue 6/13:10 p.m.COU - YYZ

1 stop7h 49mUnited Airlines

Deal found 14/12C$ 722

Mon 29/129:15 a.m.YOW - STL

1 stop7h 14mAir Canada

Tue 30/123:10 p.m.STL - YOW

1 stop5h 08mAir Canada

Deal found 13/12C$ 730

Tue 30/126:45 p.m.YYZ - STL

1 stop4h 58mAir Canada

Sat 3/16:35 p.m.STL - YYZ

1 stop4h 24mAir Canada

Deal found 14/12C$ 748

Wed 17/124:45 p.m.YYZ - MCI

2 stops23h 07mMultiple Airlines

Wed 24/126:15 p.m.MCI - YYZ

1 stop28h 05mMultiple Airlines

Deal found 12/12C$ 752

Sun 14/123:40 p.m.YYZ - MCI

1 stop27h 16mMultiple Airlines

Sat 20/126:15 p.m.MCI - YYZ

1 stop28h 05mMultiple Airlines

Deal found 13/12C$ 775

Sun 28/1212:05 p.m.YYZ - STL

1 stop6h 49mUnited Airlines

Sat 3/16:35 p.m.STL - YYZ

1 stop4h 24mUnited Airlines

Deal found 15/12C$ 783

Mon 15/127:10 a.m.YYZ - MCI

1 stop17h 05mMultiple Airlines

Fri 19/126:15 p.m.MCI - YYZ

1 stop28h 05mMultiple Airlines

Deal found 13/12C$ 815

Best flights from Ontario to Missouri
Discover carefully curated flight deals from Ontario to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 December 2025.

Thu 22/17:40 a.m.YYZ - MCI

1 stop27h 51mMultiple Airlines

Thu 29/111:26 a.m.MCI - YYZ

1 stop10h 54mMultiple Airlines

Deal found 14/12C$ 362

Thu 8/15:11 p.m.YOW - STL

1 stop6h 47mUnited Airlines

Mon 12/13:11 p.m.STL - YOW

1 stop5h 07mUnited Airlines

Deal found 13/12C$ 419

Thu 8/16:00 a.m.YOW - STL

2 stops9h 30mAir Canada

Mon 12/18:05 a.m.STL - YOW

2 stops10h 13mAir Canada

Deal found 14/12C$ 501

Tue 24/26:00 a.m.YYZ - STL

1 stop8h 54mAmerican Airlines

Sat 28/21:33 p.m.STL - YYZ

1 stop8h 22mAmerican Airlines

Deal found 12/12C$ 518

Tue 3/36:05 a.m.YYZ - SGF

2 stops11h 17mDelta

Mon 9/36:50 p.m.SGF - YYZ

2 stops15h 29mDelta

Deal found 14/12C$ 662

Mon 12/17:55 p.m.YYZ - MCI

1 stop28h 38mMultiple Airlines

Mon 19/111:26 a.m.MCI - YYZ

1 stop26h 27mMultiple Airlines

Deal found 13/12C$ 377

Wed 28/17:15 a.m.YYZ - MCI

1 stop9h 54mMultiple Airlines

Wed 4/25:04 p.m.MCI - YYZ

1 stop20h 16mMultiple Airlines

Deal found 13/12C$ 380

Thu 29/19:45 a.m.YOW - MCI

1 stop6h 25mUnited Airlines

Thu 5/211:29 a.m.MCI - YOW

1 stop8h 49mUnited Airlines

Deal found 15/12C$ 419

Sun 11/17:10 a.m.YYZ - STL

1 stop25h 55mMultiple Airlines

Sat 17/13:43 p.m.STL - YYZ

2 stops37h 37mMultiple Airlines

Deal found 14/12C$ 380

Sat 31/15:11 p.m.YOW - MCI

1 stop5h 48mUnited Airlines

Mon 2/210:00 a.m.MCI - YOW

2 stops10h 56mUnited Airlines

Deal found 14/12C$ 419

Mon 26/15:11 p.m.YOW - MCI

1 stop5h 48mUnited Airlines

Fri 30/15:45 p.m.MCI - YOW

1 stop5h 09mUnited Airlines

Deal found 13/12C$ 419

Tue 24/22:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sat 28/24:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 13/12C$ 540

Sun 25/14:35 p.m.YUL - STL

1 stop17h 46mMultiple Airlines

Tue 3/25:42 p.m.STL - YUL

2 stops22h 18mMultiple Airlines

Deal found 14/12C$ 406

Thu 15/12:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 18/14:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 14/12C$ 540

Tue 27/17:15 a.m.YYZ - MCI

1 stop9h 54mMultiple Airlines

Tue 3/27:00 a.m.MCI - YYZ

2 stops22h 13mMultiple Airlines

Deal found 12/12C$ 409

Fri 6/23:50 p.m.YUL - STL

1 stop19h 30mAmerican Airlines

Mon 9/26:00 a.m.STL - YUL

1 stop8h 08mAmerican Airlines

Deal found 13/12C$ 624

Thu 5/36:05 a.m.YYZ - SGF

2 stops11h 17mDelta

Tue 10/36:50 p.m.SGF - YYZ

2 stops15h 29mDelta

Deal found 14/12C$ 662

Tue 6/17:15 a.m.YYZ - STL

1 stop16h 18mMultiple Airlines

Fri 9/15:11 p.m.STL - YYZ

1 stop20h 09mMultiple Airlines

Deal found 15/12C$ 414

Thu 12/210:51 a.m.YYZ - STL

1 stop11h 14mUnited Airlines

Thu 26/27:41 a.m.STL - YYZ

2 stops9h 08mUnited Airlines

Deal found 13/12C$ 547

Mon 2/37:50 a.m.YYZ - SGF

2 stops14h 57mDelta

Tue 10/36:50 p.m.SGF - YYZ

2 stops15h 29mDelta

Deal found 14/12C$ 662

Sun 25/17:00 a.m.YUL - STL

1 stop9h 04mAmerican Airlines

Tue 3/26:00 a.m.STL - YUL

1 stop8h 08mAmerican Airlines

Deal found 14/12C$ 680

Sun 11/17:10 a.m.YYZ - STL

1 stop25h 55mMultiple Airlines

Thu 5/210:01 p.m.STL - YYZ

2 stops20h 35mMultiple Airlines

Deal found 14/12C$ 423

Thu 8/111:00 a.m.YYZ - STL

1 stop4h 30mUnited Airlines

Mon 12/18:30 a.m.STL - YYZ

1 stop4h 44mUnited Airlines

Deal found 13/12C$ 547

Fri 30/17:30 p.m.YUL - STL

1 stop18h 06mDelta

Mon 2/25:56 p.m.STL - YUL

1 stop4h 16mDelta

Deal found 12/12C$ 698

Fri 20/24:35 p.m.YUL - STL

1 stop8h 52mMultiple Airlines

Mon 23/23:49 p.m.STL - YUL

2 stops24h 11mMultiple Airlines

Deal found 15/12C$ 435

Mon 23/32:29 p.m.YUL - STL

1 stop19h 15mDelta

Sun 29/36:32 a.m.STL - YUL

1 stop4h 25mDelta

Deal found 15/12C$ 698

Mon 19/15:11 p.m.YOW - STL

1 stop6h 47mUnited Airlines

Sat 24/111:20 a.m.STL - YOW

1 stop8h 58mUnited Airlines

Deal found 13/12C$ 587

Mon 5/15:15 p.m.YYZ - STL

1 stop30h 18mMultiple Airlines

Sat 10/17:43 p.m.STL - YYZ

2 stops17h 22mMultiple Airlines

Deal found 14/12C$ 456

Wed 10/610:30 a.m.YUL - MCI

1 stop5h 59mAmerican Airlines

Fri 12/65:46 a.m.MCI - YUL

1 stop4h 34mAmerican Airlines

Deal found 13/12C$ 811

Fri 30/17:40 p.m.YYZ - SGF

2 stops19h 58mUnited Airlines

Mon 2/23:14 p.m.SGF - YYZ

1 stop7h 45mUnited Airlines

Deal found 14/12C$ 587

Direct flights from Ontario to Missouri
Explore direct flight options from Ontario to Missouri based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 December 2025.

Fri 6/32:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 8/34:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 13/12C$ 516

Wed 7/12:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 11/14:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 14/12C$ 518

Tue 24/22:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sat 28/24:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 14/12C$ 540

Fri 17/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Tue 21/44:05 p.m.STL - YYZ

Nonstop1h 57mAir Canada

Deal found 12/12C$ 602

Sat 25/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Wed 29/44:05 p.m.STL - YYZ

Nonstop1h 57mAir Canada

Deal found 15/12C$ 621

Thu 12/22:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Thu 26/24:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 13/12C$ 628

Thu 8/12:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Mon 12/14:05 p.m.STL - YYZ

Nonstop2h 01mAir Canada

Deal found 14/12C$ 650

Thu 2/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Mon 6/44:05 p.m.STL - YYZ

Nonstop1h 57mAir Canada

Deal found 15/12C$ 664

Sat 25/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Sat 2/52:20 p.m.STL - YYZ

Nonstop1h 58mAir Canada

Deal found 15/12C$ 671

Sun 26/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Tue 28/44:05 p.m.STL - YYZ

Nonstop1h 57mAir Canada

Deal found 15/12C$ 691

Sun 26/42:10 p.m.YYZ - STL

Nonstop2h 14mAir Canada

Fri 1/57:30 a.m.STL - YYZ

Nonstop1h 51mAir Canada

Deal found 15/12C$ 701

Mon 23/32:00 p.m.YYZ - STL

Nonstop2h 29mAir Canada

Sun 29/34:05 p.m.STL - YYZ

Nonstop1h 57mAir Canada

Deal found 14/12C$ 726

Last-minute flights from Ontario to Missouri
Discover last-minute flight deals from Ontario to Missouri. Data last updated 15 December 2025 and is based on user searches.

Mon 5/15:15 p.m.YYZ - STL

1 stop30h 18mMultiple Airlines

Mon 12/15:11 p.m.STL - YYZ

2 stops26h 00mMultiple Airlines

Deal found 15/12C$ 370

Tue 6/17:15 a.m.YYZ - STL

1 stop16h 18mMultiple Airlines

Fri 9/15:11 p.m.STL - YYZ

1 stop20h 09mMultiple Airlines

Deal found 15/12C$ 414

Wed 7/112:30 p.m.YYZ - STL

2 stops24h 42mMultiple Airlines

Sun 11/112:37 p.m.STL - YYZ

1 stop16h 43mMultiple Airlines

Deal found 14/12C$ 377

Thu 8/15:11 p.m.YOW - STL

1 stop6h 47mUnited Airlines

Mon 12/17:00 a.m.STL - YOW

1 stop5h 32mUnited Airlines

Deal found 14/12C$ 419

Sun 11/17:10 a.m.YYZ - STL

1 stop25h 55mMultiple Airlines

Sat 17/13:43 p.m.STL - YYZ

2 stops37h 37mMultiple Airlines

Deal found 14/12C$ 380

Mon 12/13:40 p.m.YYZ - MCI

2 stops25h 29mMultiple Airlines

Mon 19/111:26 a.m.MCI - YYZ

1 stop10h 54mMultiple Airlines

Deal found 15/12C$ 377

Wed 14/13:40 p.m.YYZ - MCI

1 stop19h 51mMultiple Airlines

Wed 21/17:00 a.m.MCI - YYZ

2 stops37h 11mMultiple Airlines

Deal found 13/12C$ 381

Thu 15/17:10 a.m.YYZ - STL

1 stop16h 24mMultiple Airlines

Sun 18/15:11 p.m.STL - YYZ

1 stop20h 09mMultiple Airlines

Deal found 14/12C$ 296

Thu 22/17:40 a.m.YYZ - MCI

1 stop27h 51mMultiple Airlines

Thu 29/111:26 a.m.MCI - YYZ

1 stop10h 54mMultiple Airlines

Deal found 14/12C$ 362

Sun 25/14:35 p.m.YUL - STL

1 stop17h 46mMultiple Airlines

Tue 3/25:42 p.m.STL - YUL

2 stops22h 18mMultiple Airlines

Deal found 14/12C$ 406

Tue 27/17:15 a.m.YYZ - MCI

1 stop9h 54mMultiple Airlines

Tue 3/27:00 a.m.MCI - YYZ

2 stops22h 13mMultiple Airlines

Deal found 12/12C$ 409

Wed 28/17:15 a.m.YYZ - MCI

1 stop9h 54mMultiple Airlines

Wed 4/25:04 p.m.MCI - YYZ

1 stop20h 16mMultiple Airlines

Deal found 13/12C$ 380

One-way flights from Ontario to Missouri
Search for one-way flight options from Ontario to Missouri. Find affordable one-way fares based on user searches. Data last updated 15 December 2025.

Thu 15/17:10 a.m.YYZ - STL

1 stop16h 24mMultiple Airlines

Deal found 14/12C$ 186

Sun 11/17:10 a.m.YYZ - STL

1 stop25h 55mMultiple Airlines

Deal found 15/12C$ 201

Wed 4/28:30 p.m.YYZ - MCI

1 stop15h 01mMultiple Airlines

Deal found 14/12C$ 202

Sat 17/17:10 a.m.YYZ - STL

1 stop16h 24mMultiple Airlines

Deal found 14/12C$ 204

Thu 29/15:15 p.m.YYZ - STL

1 stop18h 08mMultiple Airlines

Deal found 15/12C$ 207

Wed 14/15:15 p.m.YYZ - STL

1 stop30h 19mMultiple Airlines

Deal found 14/12C$ 208

Wed 21/111:15 a.m.YYZ - MCI

1 stop24h 16mMultiple Airlines

Deal found 14/12C$ 209

Tue 13/13:40 p.m.YYZ - STL

2 stops16h 11mMultiple Airlines

Deal found 14/12C$ 219

Fri 9/15:15 p.m.YYZ - STL

1 stop30h 18mMultiple Airlines

Deal found 13/12C$ 223

Wed 28/19:30 a.m.YOW - STL

1 stop15h 03mMultiple Airlines

Deal found 13/12C$ 233

Mon 19/11:30 p.m.YYZ - STL

3 stops50h 16mMultiple Airlines

Deal found 14/12C$ 235

Thu 29/16:45 a.m.YUL - STL

2 stops28h 38mMultiple Airlines

Deal found 15/12C$ 242

Find flight deals from Ontario to Missouri

Round-trip from	C$ 296
One-way from	C$ 186
Popular in	December
Cheapest in	April
Average price	C$ 1,092
Good round-trip deal	C$ 476 or less

15/1-18/1
2 total stops
36h 33m total
Ontario to Missouri

Search Deals

15/1
1 total stop
16h 24m total
Ontario to Missouri

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 150 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Ontario to Missouri.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Thu 22/1

7:40 a.m.-10:31 a.m.

1 stop27h 51m

Kansas City

Thu 29/1

11:26 a.m.-11:20 p.m.

1 stop10h 54m

C$ 362

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Mon 12/1

7:55 p.m.-11:33 p.m.

1 stop28h 38m

Kansas City

Mon 19/1

11:26 a.m.-2:53 p.m.

1 stop26h 27m

C$ 377

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Wed 28/1

7:15 a.m.-4:09 p.m.

1 stop9h 54m

Kansas City

Wed 4/2

5:04 p.m.-2:20 p.m.

1 stop20h 16m

C$ 380

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 11/1

7:10 a.m.-8:05 a.m.

1 stop25h 55m

Lambert-St Louis

Sat 17/1

3:43 p.m.-6:20 a.m.

2 stops37h 37m

C$ 380

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

4:35 p.m.-9:21 a.m.

1 stop17h 46m

Lambert-St Louis

Tue 3/2

5:42 p.m.-5:00 p.m.

2 stops22h 18m

C$ 406

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Tue 27/1

7:15 a.m.-4:09 p.m.

1 stop9h 54m

Kansas City

Tue 3/2

7:00 a.m.-6:13 a.m.

2 stops22h 13m

C$ 409

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 6/1

7:15 a.m.-10:33 p.m.

1 stop16h 18m

Lambert-St Louis

Fri 9/1

5:11 p.m.-2:20 p.m.

1 stop20h 09m

C$ 414

OttawaSt. Louis

YOW - STL

YOWSTL

Ottawa

Thu 8/1

5:11 p.m.-10:58 p.m.

1 stop6h 47m

Lambert-St Louis

Mon 12/1

3:11 p.m.-9:18 p.m.

1 stop5h 07m

C$ 419

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Thu 29/1

9:45 a.m.-3:10 p.m.

1 stop6h 25m

Kansas City

Thu 5/2

11:29 a.m.-9:18 p.m.

1 stop8h 49m

C$ 419

OttawaKansas City

YOW - MCI

YOWMCI

Ottawa

Sat 31/1

5:11 p.m.-9:59 p.m.

1 stop5h 48m

Kansas City

Mon 2/2

10:00 a.m.-9:56 p.m.

2 stops10h 56m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 59 results

...

Best time to book a flight from Ontario to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Ontario 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 Ontario to Missouri

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

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of C$ 350). Flying from Region of Ontario to Missouri in March is currently the most expensive (average of C$ 496). 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.

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

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Missouri at noon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Region of Ontario to Missouri?

Reviews of airlines servicing Missouri

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Missouri by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,008 reviews

Check prices

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

8,008 reviews

Delta

7.9

Good

8,008 reviews

Check prices

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,008 reviews

Check prices

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,051 reviews

Delta

7.9

Good

8,008 reviews

Check prices

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,202 reviews

Delta

7.9

Good

8,008 reviews

Check prices

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,525 reviews

Delta

7.9

Good

8,008 reviews

Check prices

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Region of Ontario to Missouri?
Airlines like United Airlines and American Airlines fly from Region of Ontario to Missouri in about 6h 47m. The time it takes to get you to your destination can typically vary by up to 12h 43m. The distance between Region of Ontario and Missouri is about 1413 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Ontario to Missouri that include hotel bookings?
Yes. In addition to deals on Ontario to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Missouri?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Missouri.
Can I find deals for business class flights from Ontario to Missouri?
Yes. Cheapflights offers flight deals from Ontario to Missouri 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 Region of Ontario to Missouri?
Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of C$ 350). Flying from Region of Ontario to Missouri in March is currently the most expensive (average of C$ 496). 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 Ontario to Missouri

Pierre Elliott Trudeau Intl to Fort Lauderdale flights

Pearson Intl to Fort Lauderdale flights

Pearson Intl to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Miami flights

Pearson Intl to Las Vegas flights

Toronto Island to Newark flights

Pearson Intl to Miami flights

Pearson Intl to Newark flights

Pearson Intl to Orlando flights

Pearson Intl to LaGuardia flights

Vancouver Intl to Los Angeles flights

Pierre Elliott Trudeau Intl to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Newark flights

Pierre Elliott Trudeau Intl to LaGuardia flights

Pearson Intl to Los Angeles flights

Pierre Elliott Trudeau Intl to Orlando flights

Pearson Intl to Dallas/Fort Worth flights

Toronto Island to Fort Lauderdale flights

Pearson Intl to Tampa flights

Pearson Intl to Hobby flights

Pierre Elliott Trudeau Intl to Los Angeles flights

Vancouver Intl to Newark flights

Vancouver Intl to Honolulu flights

Vancouver Intl to Las Vegas flights

Vancouver Intl to John F Kennedy Intl flights

Pearson Intl to George Bush Intcntl flights

Toronto Island to Orlando flights

Pierre Elliott Trudeau Intl to Las Vegas flights

Toronto Island to Miami flights

Pearson Intl to Boston flights

Pearson Intl to Atlanta flights

Pearson Intl to Fort Myers flights

Pearson Intl to San Francisco flights

Hamilton to Fort Lauderdale flights

Vancouver Intl to Sky Harbor Intl flights

Québec City to Fort Lauderdale flights

Pearson Intl to Sky Harbor Intl flights

Calgary to Las Vegas flights

Vancouver Intl to San Francisco flights

Vancouver Intl to Seattle flights

Pearson Intl to Seattle flights

Vancouver Intl to Palm Springs flights

Pearson Intl to O'Hare Intl flights

Pearson Intl to Dulles Intl flights

Vancouver Intl to San Diego flights

Vancouver Intl to Miami flights

Pearson Intl to Honolulu flights

Pearson Intl to West Palm Beach flights

Ottawa to Fort Lauderdale flights

Vancouver Intl to Orlando flights

Complete your trip

Missouri car rentals

Kansas City Airport car rentals

Lambert-St Louis Airport car rentals

Springfield-Branson Airport car rentals

Columbia Regional Airport car rentals

Joplin Airport car rentals

Cape Girardeau Airport car rentals

Fort Leonard Wood Waynesville Regional Airport car rentals

Kirksville Cannon Memorial Airport car rentals

Kansas City car rentals

St. Louis car rentals

Springfield car rentals

Direct flights to United States

Ontario to Missouri flights

Pearson Intl to St. Louis flights

Pierre Elliott Trudeau Intl to Kansas City flights

Pierre Elliott Trudeau Intl to St. Louis flights

Pearson Intl to Kansas City flights

Ottawa to St. Louis flights

Pearson Intl to Columbia flights

Ottawa to Kansas City flights

Pearson Intl to Springfield flights

Pierre Elliott Trudeau Intl to Cape Girardeau flights

Pearson Intl to Quincy flights

Top 5 airlines flying from Ontario to Missouri

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 371	AverageC$ 689	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 412	AverageC$ 819	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 426	AverageC$ 640	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 473	AverageC$ 675	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 556	AverageC$ 889	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Missouri?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Missouri. 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 Ontario to Missouri?

Cheapflights helps you find that perfect flight to Missouri from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Missouri, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.

Cheap flights from Ontario to Missouri from C$ 186

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Missouri

Cheapest flights from Ontario to MissouriExplore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Explore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Find flight deals from Ontario to Missouri

Keep the following information in mind while searching for Ontario to Missouri flight deals. Data was last updated 15 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Missouri

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

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

Find hourly flight availability from Ontario to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 December 2025.

How much does it cost to fly round-trip from Region of Ontario to Missouri?

Reviews of airlines servicing Missouri

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Missouri by reading reviews from past customers. 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 Ontario to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Region of Ontario to Missouri?

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

How can I find direct flights from Ontario to Missouri?

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

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

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 Ontario to Missouri

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

Top 5 airlines flying from Ontario to Missouri

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 Ontario to Missouri?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Missouri
Explore the most affordable flight options available from Ontario to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.