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Cheap flights from Ontario to Missouri from C$ 213

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
5 Nov — 12 Nov1
1 adult

Find flights from Ontario to Missouri within your budget

Customize your flight search to find flights from Ontario to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 4/12

7:30 a.m.-11:24 p.m.

1 stop16h 54m

C$ 213

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 7/12

8:05 a.m.-11:40 p.m.

1 stop16h 35m

C$ 249

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 12/12

9:15 a.m.-3:03 p.m.

1 stop6h 48m

C$ 250

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 2/12

7:12 p.m.-11:58 p.m.

1 stop5h 46m

C$ 376

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 3/12

12:50 p.m.-8:49 p.m.

1 stop8h 59m

C$ 406

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 2/12

6:30 p.m.-12:04 p.m.

2 stops18h 34m

C$ 456

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Tue 19/11

5:35 p.m.-11:30 a.m.

1 stop18h 55m

C$ 230

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 18/11

3:55 p.m.-4:34 p.m.

1 stop25h 39m

C$ 246

TorontoSpringfield

YYZ - SGF

YYZSGF

Toronto Pearson Intl

Sat 14/12

7:55 p.m.-10:02 a.m.

1 stop15h 07m

C$ 274

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 26/11

1:50 p.m.-3:06 p.m.

Nonstop2h 16m

C$ 333

Flights are sorted by cheapest first

Deals found on 30/10

Showing 1-10 of 52 results
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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 31 October 2024.

Tue 26/116:00 a.m.YUL - MCI
1 stop5h 29mAir Canada
Tue 3/126:00 a.m.MCI - YUL
1 stop10h 08mAir Canada
Deal found 29/10C$ 412
Wed 13/118:05 a.m.YUL - MCI
1 stop13h 25mUnited Airlines
Wed 20/118:05 a.m.MCI - YUL
1 stop8h 45mUnited Airlines
Deal found 30/10C$ 420
Mon 25/1112:30 p.m.YUL - MCI
1 stop11h 02mAmerican Airlines
Fri 29/115:07 a.m.MCI - YUL
1 stop16h 37mAmerican Airlines
Deal found 29/10C$ 447
Fri 6/1212:50 p.m.YUL - MCI
1 stop9h 32mDelta
Mon 9/125:45 a.m.MCI - YUL
1 stop10h 14mDelta
Deal found 29/10C$ 459
Tue 26/115:35 p.m.YUL - MCI
1 stop11h 47mMultiple Airlines
Sat 30/115:27 a.m.MCI - YUL
1 stop10h 08mMultiple Airlines
Deal found 29/10C$ 472
Sat 7/127:10 a.m.YUL - MCI
1 stop27h 45mWestJet
Mon 9/124:55 p.m.MCI - YUL
1 stop23h 04mWestJet
Deal found 29/10C$ 474
Wed 4/127:30 a.m.YYZ - MCI
1 stop9h 17mMultiple Airlines
Fri 31/17:27 p.m.MCI - YYZ
1 stop10h 19mMultiple Airlines
Deal found 30/10C$ 490
Tue 3/126:30 a.m.YUL - STL
1 stop10h 56mMultiple Airlines
Thu 5/124:26 p.m.STL - YUL
1 stop24h 09mMultiple Airlines
Deal found 30/10C$ 543
Tue 10/127:40 a.m.YYZ - STL
1 stop8h 41mMultiple Airlines
Sun 15/124:26 p.m.STL - YYZ
2 stops18h 19mMultiple Airlines
Deal found 30/10C$ 552
Tue 26/119:00 a.m.YYZ - MCI
1 stop6h 21mAir Canada
Tue 3/122:00 p.m.MCI - YYZ
1 stop7h 52mAir Canada
Deal found 31/10C$ 582
Wed 4/124:20 p.m.YYZ - MCI
1 stop32h 39mAlaska Airlines
Mon 9/127:00 a.m.MCI - YYZ
1 stop30h 55mAlaska Airlines
Deal found 30/10C$ 583
Thu 28/116:05 a.m.YUL - STL
1 stop12h 20mDelta
Thu 5/1212:45 p.m.STL - YUL
1 stop25h 53mDelta
Deal found 29/10C$ 604

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.

Travel insights for flights from Ontario to Missouri

Get recent, data-driven insights about flights from Ontario to Missouri including ideal travel times, pricing trends, and more.

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?

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 31 October 2024.

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.

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit Missouri when rainfall is around 56.0 mm.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated 31 October 2024.
Read through reviews of airlines operating flights from Ontario to Missouri, such as Delta, WestJet and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
9,420 reviews
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
8,835 reviews
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.4
Good
9,240 reviews
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.3
Good
2,804 reviews
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.2
Good
10,000 reviews
8.0
Very good
9,420 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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?

    The cheapest airlines for a one-way flight from Region of Ontario to Missouri are Air Canada (C$ 249), United Airlines (C$ 250), and American Airlines (C$ 376).

  • 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

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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

Discover the top 5 airlines that operate flights from Ontario to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 482AverageC$ 805FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 483AverageC$ 748FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 509AverageC$ 588FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 592AverageC$ 714FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 601AverageC$ 801FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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?

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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