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

The cheapest airlines for a one-way flight from Region of Ontario to Missouri are Delta (C$ 235), Air Canada (C$ 265), and United Airlines (C$ 271).

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

To save on the cost of your flight from Region of Ontario to Missouri, book at least 29 days before your planned departure. Booking around this time can save you about 61% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 746 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,022.

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

Our data shows that July tends to be the cheapest month to fly to Missouri from Region of Ontario. Users have commonly found prices around C$ 734 for the month, but tickets can be as low as C$ 570. Due to multiple factors, prepare for potentially higher prices in December.

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$ 214+ Flights from Ontario to Missouri

Cheap flight deals from Ontario to Missouri

Round-trip from	C$ 459
One-way from	C$ 214
Popular in	December
Cheapest in	July
Average price	C$ 767
Good round-trip deal	C$ 540 or less
Good one-way deal	C$ 621 or less

Delta
7/6-18/6
2 total stops
15h 51m total
Ontario to Missouri

Search Deals

21/5
2 total stops
24h 15m total
Ontario to Missouri

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

Search Deals

Price to beat on a one-way flight from Ontario to Missouri.

Search Deals

Find flight deals from Ontario to Missouri

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 22 April 2025.

Sat 7/67:00 a.m.YUL - MCI

1 stop6h 10mDelta

Wed 18/61:13 p.m.MCI - YUL

1 stop9h 41mDelta

Deal found 21/4C$ 459

Thu 5/61:00 p.m.YYZ - STL

1 stop7h 58mAir Canada

Tue 10/65:27 p.m.STL - YYZ

1 stop5h 31mAir Canada

Deal found 21/4C$ 510

Wed 11/612:45 p.m.YUL - MCI

1 stop23h 14mWestJet

Wed 18/612:04 p.m.MCI - YUL

1 stop10h 50mWestJet

Deal found 20/4C$ 512

Sat 7/66:10 a.m.YUL - MCI

1 stop5h 24mMultiple Airlines

Wed 18/611:05 a.m.MCI - YUL

2 stops12h 32mMultiple Airlines

Deal found 21/4C$ 517

Thu 1/59:50 a.m.YYZ - STL

1 stop15h 16mMultiple Airlines

Mon 5/59:55 p.m.STL - YYZ

1 stop18h 25mMultiple Airlines

Deal found 21/4C$ 533

Mon 2/66:10 p.m.YUL - STL

Nonstop2h 48mAir Canada

Mon 9/67:30 a.m.STL - YUL

1 stop4h 51mAir Canada

Deal found 21/4C$ 539

Tue 17/610:40 a.m.YYZ - MCI

1 stop10h 49mMultiple Airlines

Sun 22/66:00 a.m.MCI - YYZ

1 stop15h 44mMultiple Airlines

Deal found 21/4C$ 543

Thu 5/66:30 p.m.YYZ - STL

Nonstop2h 13mUnited Airlines

Thu 12/68:10 a.m.STL - YYZ

1 stop14h 48mUnited Airlines

Deal found 21/4C$ 559

Sat 31/56:30 a.m.YYZ - MCI

1 stop10h 01mAmerican Airlines

Sat 31/55:46 p.m.MCI - YYZ

1 stop4h 29mAmerican Airlines

Deal found 21/4C$ 564

Sat 7/612:15 p.m.YYZ - MCI

1 stop5h 17mDelta

Fri 13/65:44 p.m.MCI - YYZ

1 stop4h 14mDelta

Deal found 21/4C$ 566

Fri 25/48:05 a.m.YUL - MCI

2 stops12h 44mUnited Airlines

Fri 2/53:10 p.m.MCI - YUL

2 stops15h 38mUnited Airlines

Deal found 20/4C$ 624

Wed 21/58:00 a.m.YYZ - STL

2 stops10h 00mWestJet

Tue 27/55:40 p.m.STL - YYZ

1 stop5h 16mWestJet

Deal found 21/4C$ 641

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 22 April 2025.

Sat 7/67:00 a.m.YUL - MCI

1 stop6h 10mDelta

Wed 18/61:13 p.m.MCI - YUL

1 stop9h 41mDelta

Deal found 21/4C$ 459

Thu 5/61:00 p.m.YYZ - STL

1 stop7h 58mAir Canada

Tue 10/65:27 p.m.STL - YYZ

1 stop5h 31mAir Canada

Deal found 21/4C$ 510

Wed 11/612:45 p.m.YUL - MCI

1 stop23h 14mWestJet

Wed 18/612:04 p.m.MCI - YUL

1 stop10h 50mWestJet

Deal found 20/4C$ 512

Sat 7/66:10 a.m.YUL - MCI

1 stop5h 24mMultiple Airlines

Wed 18/611:05 a.m.MCI - YUL

2 stops12h 32mMultiple Airlines

Deal found 21/4C$ 517

Thu 5/66:30 p.m.YYZ - STL

Nonstop2h 13mUnited Airlines

Thu 12/68:10 a.m.STL - YYZ

1 stop14h 48mUnited Airlines

Deal found 21/4C$ 559

Sat 31/56:30 a.m.YYZ - MCI

1 stop10h 01mAmerican Airlines

Sat 31/55:46 p.m.MCI - YYZ

1 stop4h 29mAmerican Airlines

Deal found 21/4C$ 564

Mon 5/54:00 p.m.YYZ - STL

1 stop9h 06mMultiple Airlines

Tue 6/55:45 p.m.STL - YYZ

1 stop29h 02mMultiple Airlines

Deal found 22/4C$ 521

Mon 2/66:10 p.m.YUL - STL

Nonstop2h 48mAir Canada

Mon 9/67:30 a.m.STL - YUL

1 stop4h 51mAir Canada

Deal found 21/4C$ 539

Sun 11/54:45 p.m.YYZ - MCI

2 stops23h 34mAlaska Airlines

Sat 17/56:10 p.m.MCI - YYZ

2 stops19h 50mAlaska Airlines

Deal found 21/4C$ 1,131

Sat 7/612:15 p.m.YYZ - MCI

1 stop5h 17mDelta

Fri 13/65:44 p.m.MCI - YYZ

1 stop4h 14mDelta

Deal found 21/4C$ 566

Tue 17/610:40 a.m.YYZ - MCI

1 stop10h 49mMultiple Airlines

Sun 22/66:00 a.m.MCI - YYZ

1 stop15h 44mMultiple Airlines

Deal found 21/4C$ 543

Wed 21/58:00 a.m.YYZ - STL

2 stops10h 00mWestJet

Tue 27/56:00 a.m.STL - YYZ

2 stops11h 04mWestJet

Deal found 21/4C$ 641

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 22 April 2025.

Wed 21/511:30 a.m.YYZ - STL

Nonstop2h 06mAir Canada

Wed 28/57:30 a.m.STL - YYZ

Nonstop1h 55mAir Canada

Deal found 21/4C$ 539

Tue 3/66:10 p.m.YUL - STL

Nonstop2h 48mUnited Airlines

Fri 6/61:30 p.m.STL - YUL

Nonstop2h 30mUnited Airlines

Deal found 21/4C$ 793

Thu 8/511:30 a.m.YYZ - STL

Nonstop2h 06mUnited Airlines

Sun 11/57:30 a.m.STL - YYZ

Nonstop1h 55mUnited Airlines

Deal found 21/4C$ 822

Fri 25/76:10 p.m.YUL - STL

Nonstop2h 50mAir Canada

Sat 2/81:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Deal found 21/4C$ 841

Last-minute flights from Ontario to Missouri
Discover last-minute flight deals from Ontario to Missouri. Data last updated 22 April 2025 and is based on user searches.

Fri 25/46:10 a.m.YUL - MCI

1 stop5h 38mWestJet

Fri 2/55:45 a.m.MCI - YUL

1 stop10h 07mWestJet

Deal found 20/4C$ 612

Fri 25/48:05 a.m.YUL - MCI

2 stops12h 44mUnited Airlines

Fri 2/53:10 p.m.MCI - YUL

2 stops15h 38mUnited Airlines

Deal found 20/4C$ 624

Sat 26/41:27 p.m.YYZ - MCI

1 stop6h 38mWestJet

Tue 29/410:35 a.m.MCI - YYZ

1 stop3h 34mWestJet

Deal found 21/4C$ 854

Sat 26/43:06 p.m.YUL - MCI

1 stop9h 53mDelta

Thu 1/57:10 a.m.MCI - YUL

1 stop8h 42mDelta

Deal found 21/4C$ 590

Wed 30/46:00 a.m.YYZ - MCI

1 stop4h 45mDelta

Wed 7/55:35 p.m.MCI - YYZ

1 stop4h 39mDelta

Deal found 21/4C$ 709

Wed 30/44:45 p.m.YYZ - MCI

1 stop32h 14mAlaska Airlines

Wed 7/53:59 p.m.MCI - YYZ

2 stops22h 01mAlaska Airlines

Deal found 21/4C$ 1,905

Thu 1/59:50 a.m.YYZ - STL

1 stop15h 16mMultiple Airlines

Mon 5/59:55 p.m.STL - YYZ

1 stop18h 25mMultiple Airlines

Deal found 21/4C$ 533

Thu 1/57:55 a.m.YYZ - MCI

2 stops33h 09mMultiple Airlines

Tue 6/54:57 p.m.MCI - YYZ

2 stops30h 15mMultiple Airlines

Deal found 21/4C$ 673

Thu 1/57:00 a.m.YYZ - MCI

1 stop4h 36mUnited Airlines

Tue 6/53:30 p.m.MCI - YYZ

1 stop6h 37mUnited Airlines

Deal found 21/4C$ 729

Thu 1/56:30 p.m.YYZ - STL

Nonstop2h 13mUnited Airlines

Mon 5/52:30 p.m.STL - YYZ

Nonstop2h 00mUnited Airlines

Deal found 21/4C$ 863

Thu 1/510:30 p.m.YYZ - STL

2 stops13h 11mWestJet

Mon 5/56:00 a.m.STL - YYZ

2 stops11h 04mWestJet

Deal found 21/4C$ 923

Fri 2/57:00 a.m.YUL - STL

1 stop5h 45mDelta

Sat 3/51:46 p.m.STL - YUL

1 stop8h 42mDelta

Deal found 21/4C$ 924

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 22 April 2025.

Wed 21/510:00 a.m.YUL - STL

2 stops24h 15mMultiple Airlines

Deal found 21/4C$ 214

Thu 2/106:00 a.m.YUL - MCI

1 stop8h 20mDelta

Deal found 21/4C$ 235

Mon 19/54:00 p.m.YYZ - STL

1 stop9h 06mMultiple Airlines

Deal found 21/4C$ 242

Fri 23/57:45 p.m.YYZ - MCI

1 stop25h 27mMultiple Airlines

Deal found 21/4C$ 244

Mon 16/611:30 a.m.YYZ - STL

Nonstop2h 06mAir Canada

Deal found 21/4C$ 265

Thu 5/68:20 a.m.YUL - MCI

1 stop15h 55mUnited Airlines

Deal found 21/4C$ 271

Mon 26/56:15 a.m.YYZ - STL

1 stop6h 49mDelta

Deal found 21/4C$ 289

Thu 15/512:30 p.m.YUL - STL

1 stop10h 22mAmerican Airlines

Deal found 21/4C$ 296

Mon 2/66:10 p.m.YUL - STL

Nonstop2h 48mAir Canada

Deal found 21/4C$ 303

Sun 5/107:35 a.m.YUL - MCI

1 stop5h 58mAmerican Airlines

Deal found 21/4C$ 304

Sat 7/62:50 p.m.YUL - STL

1 stop6h 49mDelta

Deal found 21/4C$ 309

Tue 7/106:45 a.m.YUL - MCI

2 stops11h 53mMultiple Airlines

Deal found 21/4C$ 318

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

7:00 a.m.-12:10 p.m.

1 stop6h 10m

Kansas City

Wed 18/6

1:13 p.m.-11:54 p.m.

1 stop9h 41m

C$ 459

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 5/6

1:00 p.m.-7:58 p.m.

1 stop7h 58m

Lambert-St Louis

Tue 10/6

5:27 p.m.-11:58 p.m.

1 stop5h 31m

C$ 510

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

12:45 p.m.-10:59 a.m.

1 stop23h 14m

Kansas City

Wed 18/6

12:04 p.m.-11:54 p.m.

1 stop10h 50m

C$ 512

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

6:10 a.m.-10:34 a.m.

1 stop5h 24m

Kansas City

Wed 18/6

11:05 a.m.-12:37 a.m.

2 stops12h 32m

C$ 517

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:10 p.m.-7:58 p.m.

Nonstop2h 48m

Lambert-St Louis

Mon 9/6

7:30 a.m.-1:21 p.m.

1 stop4h 51m

C$ 539

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Tue 17/6

10:40 a.m.-8:29 p.m.

1 stop10h 49m

Kansas City

Sun 22/6

6:00 a.m.-10:44 p.m.

1 stop15h 44m

C$ 543

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 5/6

6:30 p.m.-7:43 p.m.

Nonstop2h 13m

Lambert-St Louis

Thu 12/6

8:10 a.m.-11:58 p.m.

1 stop14h 48m

C$ 559

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Sat 31/5

6:30 a.m.-3:31 p.m.

1 stop10h 01m

Kansas City

Sat 31/5

5:46 p.m.-11:15 p.m.

1 stop4h 29m

C$ 564

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Sat 7/6

12:15 p.m.-4:32 p.m.

1 stop5h 17m

Kansas City

Fri 13/6

5:44 p.m.-10:58 p.m.

1 stop4h 14m

C$ 566

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 8/5

9:50 a.m.-12:06 a.m.

1 stop15h 16m

Lambert-St Louis

Sun 11/5

9:55 p.m.-5:20 p.m.

1 stop18h 25m

C$ 609

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 58 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, January is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of C$ 365). Flying from Region of Ontario to Missouri in September is currently the most expensive (average of C$ 491). 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?

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

Weekly flight availability from Region of Ontario to Missouri

The most flights from CAON to USMO are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Missouri by month

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.

Temperature in Missouri by month

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).

Reviews of airlines servicing Missouri

Read through reviews of airlines operating flights from Ontario to Missouri, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,906 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,684 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

WestJet

7.2

Good

2,813 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to Missouri one-way?
The cheapest airlines for a one-way flight from Region of Ontario to Missouri are Delta (C$ 235), Air Canada (C$ 265), and United Airlines (C$ 271).
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, January is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of C$ 365). Flying from Region of Ontario to Missouri in September is currently the most expensive (average of C$ 491). 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

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Complete your trip

Missouri car rentals

Lambert-St Louis Airport car rentals

Kansas City Airport car rentals

Springfield-Branson Airport car rentals

Columbia Regional Airport car rentals

Joplin Airport car rentals

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Springfield car rentals

Direct flights to United States

Ontario to Missouri flights

Pearson Intl to Kansas City 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 Quincy flights

Ottawa to Kansas City flights

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Ottawa to St. Louis flights

Pierre Elliott Trudeau Intl to Cape Girardeau flights

Pearson Intl to Columbia flights

Top 5 airlines flying from Ontario to Missouri

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 427	AverageC$ 660	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 555	AverageC$ 674	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 564	AverageC$ 863	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 593	AverageC$ 722	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 609	AverageC$ 800	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!

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Cheap flights from Ontario to Missouri from C$ 214

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Missouri

Keep the following information in mind while searching for Ontario to Missouri flight deals. Data was last updated 22 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 22 April 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 22 April 2025.

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 22 April 2025.

Weekly flight availability from Region of Ontario to Missouri

Explore weekly flight availability from Ontario to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 April 2025.

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

Reviews of airlines servicing Missouri

Read through reviews of airlines operating flights from Ontario to Missouri, such as Alaska Airlines, Delta and United Airlines. 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 Ontario to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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?

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Alternative routes for Ontario to Missouri

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Top 5 airlines flying from Ontario to Missouri

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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 22 April 2025.