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Cheap flights from St. Louis to Toronto from C$ 165

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YTO
26 Nov — 3 Dec1
1 adult

The best prices from Lambert-St Louis to Toronto are usually found in March or April, booked 85 days in advance, depart on a Wednesday or Friday and return on a Friday

Find flights from St. Louis to Toronto within your budget

Customize your flight search to find flights from St. Louis to Toronto 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 645,034 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 11/12

5:02 p.m.-9:54 a.m.

1 stop15h 52m

Toronto Pearson Intl

Mon 16/12

8:00 p.m.-3:21 p.m.

2 stops20h 21m

C$ 401

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 9/12

7:15 p.m.-11:13 p.m.

2 stops26h 58m

Toronto Pearson Intl

Wed 11/12

6:15 a.m.-9:22 a.m.

1 stop28h 07m

C$ 611

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 23/1

2:49 p.m.-3:05 p.m.

1 stop23h 16m

Toronto Pearson Intl

Mon 27/1

4:20 p.m.-1:53 p.m.

1 stop22h 33m

C$ 696

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 18/12

5:45 a.m.-5:35 p.m.

1 stop10h 50m

Toronto Pearson Intl

Wed 25/12

6:15 a.m.-3:40 p.m.

1 stop10h 25m

C$ 732

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 8/1

1:35 p.m.-11:42 p.m.

1 stop9h 07m

Toronto Pearson Intl

Wed 22/1

7:55 a.m.-4:53 p.m.

1 stop9h 58m

C$ 734

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 18/12

11:20 a.m.-9:25 p.m.

1 stop9h 05m

Toronto Pearson Intl

Wed 25/12

8:00 a.m.-7:57 p.m.

1 stop12h 57m

C$ 746

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 19/12

10:35 a.m.-3:45 p.m.

1 stop4h 10m

Toronto Pearson Intl

Tue 24/12

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

Nonstop2h 16m

C$ 778

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 13/1

5:05 p.m.-7:30 p.m.

1 stop25h 25m

C$ 165

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 4/1

6:15 a.m.-4:35 p.m.

1 stop9h 20m

C$ 390

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 8/1

3:50 p.m.-6:45 p.m.

Nonstop1h 55m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 12 results
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Cheap flight deals from St. Louis to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Toronto (YTO). 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 21 November 2024.

Round-trip from

C$ 401

One-way from

C$ 165

Popular in

February

Cheapest in

March
11/12-16/12
  • 11/12-16/12
  • 3 total stops
  • 36h 13m total
  • St. Louis to Toronto
13/1
  • 13/1
  • 1 total stop
  • 25h 25m total
  • St. Louis to Toronto
High demand for flights, 49% potential price rise
Best time to find cheap flights, 42% potential price drop

Find flight deals from St. Louis to Toronto

Cheapest flights from St. Louis to Toronto
Explore the most affordable flight options available from St. Louis to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Wed 11/125:02 p.m.STL - YYZ
1 stop15h 52mMultiple Airlines
Mon 16/128:00 p.m.YYZ - STL
2 stops20h 21mMultiple Airlines
Deal found 20/11C$ 401
Mon 9/127:15 p.m.STL - YYZ
2 stops26h 58mWestJet
Wed 11/126:15 a.m.YYZ - STL
1 stop28h 07mWestJet
Deal found 20/11C$ 611
Wed 18/125:45 a.m.STL - YYZ
1 stop10h 50mAmerican Airlines
Wed 25/126:15 a.m.YYZ - STL
1 stop10h 25mAmerican Airlines
Deal found 20/11C$ 732
Wed 18/1211:20 a.m.STL - YYZ
1 stop9h 05mUnited Airlines
Wed 25/128:00 a.m.YYZ - STL
1 stop12h 57mUnited Airlines
Deal found 20/11C$ 746
Thu 19/1210:35 a.m.STL - YYZ
1 stop4h 10mAir Canada
Tue 24/121:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Deal found 20/11C$ 778
Sat 7/125:30 p.m.STL - YYZ
1 stop4h 06mDelta
Wed 11/126:30 a.m.YYZ - STL
1 stop9h 30mDelta
Deal found 19/11C$ 844
Wed 18/129:39 a.m.STL - YYZ
2 stops28h 28mAlaska Airlines
Wed 25/124:22 p.m.YYZ - STL
2 stops18h 14mAlaska Airlines
Deal found 20/11C$ 1,676

Best time to book a flight from St. Louis to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from St. Louis 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 St. Louis to Toronto

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

How far ahead should I book a flight from St. Louis to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Toronto. Price data was last updated on 15 November 2024.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Toronto?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Toronto (average of C$ 178). Flying from St. Louis to Toronto 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 STL to YTO?

Find hourly flight availability from St. Louis to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

One of the essential ways to save on airfare from St. Louis to Toronto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 59% on airfare.

Weekly flight availability from St. Louis to Toronto

Explore weekly flight availability from St. Louis to Toronto. 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 21 November 2024.

The most flights from STL to YTO are scheduled on a Wednesday (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 Toronto by month

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

In terms of precipitation, rainfall in Toronto 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 Toronto when rainfall is around 51.0 mm.

Temperature in Toronto by month

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

If weather is an important factor for your trip to Toronto, 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 Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 21 November 2024.
Get a feel of what it's like to fly with WestJet, Alaska Airlines and American Airlines from St. Louis to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

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

8.0
Very good
9,458 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

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

8.0
Very good
8,758 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

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

7.4
Good
9,172 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

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

7.3
Good
2,810 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

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
9,458 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.2

Entertainment

7.1

Overall

8.0

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 St. Louis to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Toronto?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Toronto. On average, Lambert-St Louis has 1 outbound flight to Toronto per day from 1 airline. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

  • What are the cheapest airlines flying from St. Louis to Toronto round-trip?

    Our cheapest airline available from St. Louis to Toronto is WestJet. Our recent data shows that you can find tickets from as low as C$ 611 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at C$ 696 and C$ 732 round-trip.

  • What are the cheapest airlines to fly from St. Louis to Toronto one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 390. Users have also found prices from C$ 412 and C$ 451 on United Airlines and Air Canada, respectively.

  • What are the most reliable airlines from St. Louis to Toronto?

    Consider Air Canada (90%), Jazz (90%) or United Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Toronto.

  • What are the cheapest flights from St. Louis to Toronto?

    While on average a flight from St. Louis to Toronto is generally C$ 837, our data shows the cheapest flight currently is C$ 361. When looking at the most popular route, (Lambert-St Louis - Toronto Pearson Intl), you can expect to pay C$ 401 for that flight.

  • Can I find deals for flights from St. Louis to Toronto that include hotel bookings?

    Yes. In addition to deals on St. Louis to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Toronto?

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

  • Can I find deals for business class flights from St. Louis to Toronto?

    Yes. Cheapflights offers flight deals from St. Louis to Toronto 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 St. Louis to Toronto?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Toronto (average of C$ 178). Flying from St. Louis to Toronto 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Toronto

Discover the top airline that operate flights from St. Louis to Toronto. 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 645,034 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 361AverageC$ 780FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Toronto?

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Yes! Cheapflights helps users easily find flights from St. Louis to Toronto with no change fees.

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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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