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Cheap flights from Ontario to Missouri from C$ 218

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Ontario to Missouri

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Missouri (USMO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

C$ 430

One-way from

C$ 218
United Airlines
  • United Airlines
  • 18/1-25/1
  • 4 total stops
  • 23h 59m total
  • Ontario to Missouri
Search Deals
4/2
  • 4/2
  • 1 total stop
  • 8h 16m total
  • 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 December 2024.

Sat 28/127:13 a.m.YUL - MCI
1 stop14h 02mAmerican Airlines
Wed 1/16:22 a.m.MCI - YUL
1 stop15h 28mAmerican Airlines
Deal found 21/12C$ 529
Thu 26/124:45 p.m.YUL - MCI
1 stop6h 11mUnited Airlines
Thu 2/13:16 p.m.MCI - YUL
1 stop5h 01mUnited Airlines
Deal found 21/12C$ 595
Sat 28/129:15 a.m.YUL - MCI
1 stop13h 35mAir Canada
Thu 2/15:20 a.m.MCI - YUL
1 stop10h 48mAir Canada
Deal found 21/12C$ 667
Tue 31/126:20 p.m.YYZ - MCI
1 stop5h 33mAmerican Airlines
Tue 7/15:35 a.m.MCI - YYZ
1 stop4h 16mAmerican Airlines
Deal found 21/12C$ 671
Wed 25/128:00 p.m.YYZ - STL
1 stop28h 28mMultiple Airlines
Wed 8/15:05 p.m.STL - YYZ
1 stop19h 50mMultiple Airlines
Deal found 20/12C$ 780
Tue 31/1210:45 p.m.YYZ - MCI
2 stops17h 24mWestJet
Tue 7/14:06 p.m.MCI - YYZ
2 stops30h 28mWestJet
Deal found 21/12C$ 789
Sat 28/127:10 a.m.YUL - MCI
1 stop15h 47mWestJet
Fri 3/16:15 a.m.MCI - YUL
1 stop4h 40mWestJet
Deal found 21/12C$ 800
Sat 28/127:10 a.m.YUL - MCI
1 stop10h 54mMultiple Airlines
Sat 28/127:11 p.m.MCI - YUL
2 stops18h 44mMultiple Airlines
Deal found 21/12C$ 1,035
Fri 27/121:15 p.m.YYZ - STL
1 stop22h 51mWestJet
Wed 1/15:55 p.m.STL - YYZ
1 stop14h 14mWestJet
Deal found 20/12C$ 1,039
Fri 27/121:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Wed 1/15:30 p.m.STL - YYZ
1 stop5h 29mAir Canada
Deal found 20/12C$ 1,052
Tue 24/126:00 p.m.YYZ - MCI
2 stops25h 05mMultiple Airlines
Sat 4/12:13 p.m.MCI - YYZ
3 stops26h 17mMultiple Airlines
Deal found 21/12C$ 1,083
Fri 27/123:30 p.m.YYZ - SGF
1 stop7h 49mMultiple Airlines
Wed 1/13:05 p.m.SGF - YYZ
1 stop20h 20mMultiple Airlines
Deal found 20/12C$ 1,210

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 629,999 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 18/1

7:55 a.m.-7:49 p.m.

2 stops12h 54m

Kansas City

Sat 25/1

5:45 a.m.-5:50 p.m.

2 stops11h 05m

C$ 430

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

6:30 a.m.-2:43 p.m.

1 stop9h 13m

Lambert-St Louis

Tue 11/2

3:48 p.m.-12:45 a.m.

1 stop7h 57m

C$ 520

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

6:03 p.m.-5:39 p.m.

1 stop24h 36m

Kansas City

Thu 16/1

6:00 a.m.-12:40 a.m.

2 stops17h 40m

C$ 537

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Fri 10/1

10:05 a.m.-4:50 p.m.

1 stop7h 45m

Kansas City

Sat 18/1

6:15 a.m.-11:59 a.m.

1 stop4h 44m

C$ 573

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 28/1

6:15 a.m.-2:07 p.m.

1 stop8h 52m

Lambert-St Louis

Tue 4/2

5:40 a.m.-5:35 p.m.

1 stop10h 55m

C$ 586

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Mon 6/1

11:50 a.m.-12:07 a.m.

1 stop13h 17m

Kansas City

Tue 14/1

12:28 p.m.-6:26 p.m.

1 stop4h 58m

C$ 588

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 26/2

6:43 p.m.-8:54 a.m.

1 stop15h 11m

Lambert-St Louis

Tue 4/3

6:06 a.m.-4:08 p.m.

1 stop9h 02m

C$ 601

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 19/1

7:00 a.m.-8:10 p.m.

3 stops38h 10m

Lambert-St Louis

Sun 26/1

12:15 p.m.-11:53 p.m.

3 stops34h 38m

C$ 602

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

12:48 p.m.-4:54 p.m.

1 stop5h 06m

Lambert-St Louis

Sat 18/1

1:35 p.m.-10:29 a.m.

1 stop19h 54m

C$ 619

TorontoKansas City

YYZ - MCI

YYZMCI

Toronto Pearson Intl

Wed 22/1

12:20 p.m.-7:43 p.m.

1 stop8h 23m

Kansas City

Wed 29/1

11:38 a.m.-11:34 p.m.

2 stops10h 56m

C$ 648

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

Showing 1-10 of 38 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, 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 22 December 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.

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 December 2024.

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

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 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

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 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

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 22 December 2024.
Read through reviews of airlines operating flights from Ontario to Missouri, such as American Airlines, Alaska Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,537 reviews
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,594 reviews
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,028 reviews
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,812 reviews
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,537 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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 United Airlines (C$ 264), Delta (C$ 279), and Air Canada (C$ 378).

  • 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.
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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 629,999 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 518AverageC$ 858FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 526AverageC$ 610FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 534AverageC$ 814FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 616AverageC$ 761FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 621AverageC$ 866FlexibilityNo 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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