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Cheap flights from Missouri to Ontario from C$ 117

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
23 Dec — 30 Dec1
1 adult

Cheap flight deals from Missouri to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Ontario (CAON). 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 18 December 2024.

Round-trip from

C$ 400

One-way from

C$ 117
14/1-21/1
  • 14/1-21/1
  • 2 total stops
  • 26h 18m total
  • Missouri to Ontario
Search Deals
22/1
  • 22/1
  • 1 total stop
  • 19h 50m total
  • Missouri to Ontario
Search Deals

Find flight deals from Missouri to Ontario

Cheapest flights from Missouri to Ontario
Explore the most affordable flight options available from Missouri to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 24/123:53 p.m.STL - YYZ
1 stop18h 52mMultiple Airlines
Tue 31/127:05 a.m.YYZ - STL
1 stop9h 16mMultiple Airlines
Deal found 17/12C$ 651
Tue 17/124:52 p.m.MCI - YYZ
1 stop17h 53mMultiple Airlines
Sun 5/18:15 p.m.YYZ - MCI
1 stop22h 50mMultiple Airlines
Deal found 17/12C$ 704
Tue 24/124:27 p.m.STL - YUL
1 stop21h 28mMultiple Airlines
Mon 30/123:55 p.m.YUL - STL
1 stop24h 26mMultiple Airlines
Deal found 16/12C$ 801
Tue 17/128:00 a.m.MCI - YUL
1 stop5h 47mAir Canada
Tue 24/128:05 a.m.YUL - MCI
1 stop13h 23mAir Canada
Deal found 16/12C$ 844
Thu 26/124:14 p.m.MCI - YUL
2 stops31h 26mWestJet
Thu 9/17:05 a.m.YUL - MCI
1 stop27h 58mWestJet
Deal found 17/12C$ 847
Sat 28/125:25 a.m.MCI - YYZ
1 stop11h 15mAmerican Airlines
Sun 5/16:15 a.m.YYZ - MCI
1 stop4h 34mAmerican Airlines
Deal found 17/12C$ 848
Thu 26/127:11 p.m.MCI - YUL
2 stops21h 24mMultiple Airlines
Fri 10/12:35 p.m.YUL - MCI
2 stops21h 15mMultiple Airlines
Deal found 17/12C$ 907
Tue 17/123:27 p.m.MCI - YUL
2 stops15h 18mUnited Airlines
Tue 24/128:05 a.m.YUL - MCI
1 stop13h 23mUnited Airlines
Deal found 16/12C$ 934
Thu 26/1211:42 a.m.STL - YYZ
1 stop4h 58mAmerican Airlines
Sat 25/16:15 a.m.YYZ - STL
1 stop8h 52mAmerican Airlines
Deal found 16/12C$ 948
Mon 30/1210:43 a.m.MCI - YYZ
2 stops11h 51mWestJet
Sun 5/15:00 p.m.YYZ - MCI
1 stop8h 38mWestJet
Deal found 17/12C$ 993
Thu 26/125:00 a.m.STL - YYZ
1 stop6h 31mAir Canada
Sat 25/11:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Deal found 16/12C$ 1,033
Mon 30/128:38 a.m.SGF - YYZ
1 stop13h 01mAmerican Airlines
Mon 6/16:15 a.m.YYZ - SGF
1 stop14h 00mAmerican Airlines
Deal found 16/12C$ 1,098

Find flights from Missouri to Ontario within your budget

Customize your flight search to find flights from Missouri to Ontario 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 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 14/1

5:05 p.m.-11:45 a.m.

1 stop17h 40m

Toronto Pearson Intl

Tue 21/1

7:05 a.m.-2:43 p.m.

1 stop8h 38m

C$ 400

Kansas CityToronto

MCI - YYZ

MCIYYZ

Kansas City

Mon 27/1

7:54 p.m.-5:55 a.m.

1 stop9h 01m

Toronto Pearson Intl

Mon 3/2

7:05 a.m.-2:55 p.m.

1 stop8h 50m

C$ 443

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 14/1

3:48 p.m.-2:55 p.m.

1 stop22h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 15/1

6:35 p.m.-2:43 p.m.

1 stop21h 08m

C$ 507

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 31/1

6:40 p.m.-10:32 a.m.

1 stop14h 52m

Montreal Pierre Elliott Trudeau Intl

Fri 7/2

9:15 a.m.-2:29 p.m.

1 stop6h 14m

C$ 523

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 10/1

6:40 p.m.-7:45 a.m.

2 stops12h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

9:15 a.m.-3:04 p.m.

1 stop6h 49m

C$ 531

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 2/1

5:20 a.m.-5:08 p.m.

1 stop10h 48m

Montreal Pierre Elliott Trudeau Intl

Tue 7/1

11:15 a.m.-7:49 p.m.

2 stops9h 34m

C$ 540

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 31/1

3:55 p.m.-10:45 p.m.

1 stop5h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 7/2

10:54 a.m.-10:19 p.m.

2 stops12h 25m

C$ 541

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 8/1

6:05 a.m.-4:11 p.m.

1 stop9h 06m

Toronto Pearson Intl

Wed 22/1

5:05 p.m.-8:58 a.m.

1 stop16h 53m

C$ 633

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 31/1

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

2 stops11h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 7/2

1:30 p.m.-11:25 p.m.

2 stops10h 55m

C$ 654

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 10/1

6:05 a.m.-4:22 p.m.

1 stop9h 17m

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

11:20 a.m.-8:58 a.m.

1 stop22h 38m

C$ 673

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 42 results
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Best time to book a flight from Missouri to Ontario

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

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

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

Currently, October is the cheapest month in which you can book a flight from Missouri to Region of Ontario (average of C$ 178). Flying from Missouri to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 MO to ON?

Find hourly flight availability from Missouri to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

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

Weekly flight availability from Missouri to Region of Ontario

Explore weekly flight availability from Missouri to Ontario. 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 18 December 2024.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 18 December 2024.
See what other customers who have flown with Delta, Alaska Airlines and United Airlines from Missouri to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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
9,552 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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
8,604 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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
9,059 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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
2,818 reviews
Alaska Airlines
8.0
Very good
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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
9,552 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.1

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 Missouri to Ontario. 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 Missouri to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Missouri to Region of Ontario are United Airlines (C$ 220), Delta (C$ 323), and American Airlines (C$ 380).

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

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

  • How can I find direct flights from Missouri to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Missouri to Ontario 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 Missouri to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Missouri to Region of Ontario (average of C$ 178). Flying from Missouri to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Missouri to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Missouri to Ontario

Discover the top airline that operate flights from Missouri to Ontario. 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 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 220AverageC$ 832FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Missouri to Ontario?

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Missouri.

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

Certainly. Search results for flights to Ontario from Missouri shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Missouri to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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