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Missouri

$153+ Cheap flights from Ontario to Missouri

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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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 October 31, 2024.

This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/266:00 amYUL - MCI
1 stop5h 29mAir Canada
Tue 12/36:00 amMCI - YUL
1 stop10h 08mAir Canada
Deal found 10/29$296
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/138:05 amYUL - MCI
1 stop13h 25mUnited Airlines
Wed 11/208:05 amMCI - YUL
1 stop8h 45mUnited Airlines
Deal found 10/30$302
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2512:30 pmYUL - MCI
1 stop11h 02mAmerican Airlines
Fri 11/295:07 amMCI - YUL
1 stop16h 37mAmerican Airlines
Deal found 10/29$321
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/612:50 pmYUL - MCI
1 stop9h 32mDelta
Mon 12/95:45 amMCI - YUL
1 stop10h 14mDelta
Deal found 10/29$330
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/265:35 pmYUL - MCI
1 stop11h 47mMultiple Airlines
Sat 11/305:27 amMCI - YUL
1 stop10h 08mMultiple Airlines
Deal found 10/29$339
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:10 amYUL - MCI
1 stop27h 45mWestJet
Mon 12/94:55 pmMCI - YUL
1 stop23h 04mWestJet
Deal found 10/29$341
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:30 amYYZ - MCI
1 stop9h 17mMultiple Airlines
Fri 1/317:27 pmMCI - YYZ
1 stop10h 19mMultiple Airlines
Deal found 10/30$352
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:30 amYUL - STL
1 stop10h 56mMultiple Airlines
Thu 12/54:26 pmSTL - YUL
1 stop24h 09mMultiple Airlines
Deal found 10/30$390
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:40 amYYZ - STL
1 stop8h 41mMultiple Airlines
Sun 12/154:26 pmSTL - YYZ
2 stops18h 19mMultiple Airlines
Deal found 10/30$397
This Air Canada deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/269:00 amYYZ - MCI
1 stop6h 21mAir Canada
Tue 12/32:00 pmMCI - YYZ
1 stop7h 52mAir Canada
Deal found 10/31$418
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:20 pmYYZ - MCI
1 stop32h 39mAlaska Airlines
Mon 12/97:00 amMCI - YYZ
1 stop30h 55mAlaska Airlines
Deal found 10/30$419
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:05 amYUL - STL
1 stop12h 20mDelta
Thu 12/512:45 pmSTL - YUL
1 stop25h 53mDelta
Deal found 10/29$434

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 12/4

7:30 am-11:24 pm

1 stop16h 54m

$153

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 12/7

8:05 am-11:40 pm

1 stop16h 35m

$179

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 12/12

8:25 am-9:55 pm

2 stops14h 30m

$180

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 12/2

7:12 pm-11:58 pm

1 stop5h 46m

$270

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 12/3

12:50 pm-8:49 pm

1 stop8h 59m

$292

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Sat 11/30

5:04 pm-12:21 am

1 stop8h 17m

$295

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Tue 11/19

5:35 pm-11:30 am

1 stop18h 55m

$165

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 11/18

3:55 pm-4:34 pm

1 stop25h 39m

$177

TorontoSpringfield

YYZ - SGF

YYZSGF

Toronto Pearson Intl

Sat 12/14

7:55 pm-10:02 am

1 stop15h 07m

$197

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 11/26

1:50 pm-3:06 pm

Nonstop2h 16m

$239

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 51 results
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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, September is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of $308). Flying from Region of Ontario to Missouri in March is currently the most expensive (average of $356). 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 October 31, 2024.

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

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 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 October 31, 2024.
To help decide which airline to fly from Ontario to Missouri, see what other customers have to say about Air Canada, Delta and WestJet. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,420 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,835 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,240 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

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

WestJet
7.3
Good
2,804 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Entertainment

7.1

Food

7.2

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.

  • Can I find flights from Region of Ontario to Missouri for under $300 on Cheapflights?

    Yes, there are multiple flights from Region of Ontario to Missouri for under $300. The cheapest flight booked recently is on Air Canada for just $296, but on average you can expect to pay $396.

  • Are there nonstop flights from Region of Ontario to Missouri for under $500 on Cheapflights?

    Cheapflights has at least 3 direct flights from Region of Ontario to Missouri under $500. A good price for a nonstop flight from Region of Ontario to Missouri is less than $460.

  • Are there last-minute flights available from Region of Ontario to Missouri for under $500?

    There are currently 12+ open flights from Region of Ontario to Missouri within the next 7 days for less than $500.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $179. United Airlines flights start at $180 while deals on American Airlines start at $270 one-way.

  • What does YYZ to STL mean?

    YYZ and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YYZ to STL refers to a flight route from Toronto Pearson Intl Airport to Lambert-St Louis Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Kansas City Airport (MCI), Springfield-Branson Airport (SGF), Kansas City Downtown Airport (MKC), Columbia Regional Airport (COU), Branson Airport (BKG).

  • Can I find deals for flights from Ontario to Missouri that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Missouri flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Missouri with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Missouri flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Missouri that allow pets onboard?

    Many airlines flying from Ontario to Missouri offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Missouri?

    Yes, you can often find last-minute deals on Ontario to Missouri flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Region of Ontario to Missouri flight deals updated?

    The Region of Ontario to Missouri flight deals you see on this page were last updated on 10/31.

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

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Missouri (average of $308). Flying from Region of Ontario to Missouri in March is currently the most expensive (average of $356). 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.
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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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$321Average$550FlexibilityNo cancel feeOn-time67%
DeltaCheapest$374Average$494FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$381Average$570FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$387Average$565FlexibilityNo cancel feeOn-time69%
WestJetCheapest$443Average$580FlexibilityNo cancel feeOn-time60%
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