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Cheap flights from St. Louis to Toronto Pearson Intl Airport from C$ 135

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
26 Nov — 3 Dec1
1 adult

The best prices from Lambert-St Louis to Toronto Pearson Intl are usually found in January or May, booked 63 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Find flights from St. Louis to Pearson Intl within your budget

Customize your flight search to find flights from St. Louis to Pearson Intl 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 640,016 searches. Data last updated 21 November 2024.

Fly from

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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

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$ 695

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 17/1

2:55 p.m.-9:25 p.m.

1 stop5h 30m

Toronto Pearson Intl

Sun 19/1

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

Nonstop2h 16m

C$ 702

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 11/12

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

1 stop10h 50m

Toronto Pearson Intl

Mon 16/12

11:37 a.m.-10:05 p.m.

1 stop11h 28m

C$ 718

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$ 733

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 17/1

9:44 a.m.-4:46 p.m.

1 stop6h 02m

Toronto Pearson Intl

Sun 19/1

7:20 a.m.-2:14 p.m.

2 stops7h 54m

C$ 737

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 2/12

7:10 p.m.-8:39 a.m.

2 stops12h 29m

Toronto Pearson Intl

Wed 18/12

12:00 p.m.-10:26 p.m.

2 stops11h 26m

C$ 1,302

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 18/12

3:53 p.m.-1:55 p.m.

1 stop21h 02m

C$ 135

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 20/1

6:30 a.m.-8:18 p.m.

2 stops12h 48m

C$ 390

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 19/12

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

Nonstop1h 55m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 11 results
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Cheap flight deals from St. Louis to Pearson Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pearson Intl (YYZ). 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$ 135

Popular in

November

Cheapest in

January
11/12-16/12
  • 11/12-16/12
  • 3 total stops
  • 36h 13m total
  • St. Louis to Toronto
Search Deals
18/12
  • 18/12
  • 1 total stop
  • 21h 02m total
  • St. Louis to Toronto
Search Deals
High demand for flights, 34% potential price rise
Search Deals
Best time to find cheap flights, 50% potential price drop
Search Deals

Find flight deals from St. Louis to Pearson Intl

Cheapest flights from St. Louis to Pearson Intl
Explore the most affordable flight options available from St. Louis to Pearson Intl. 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
Wed 11/125:45 a.m.STL - YYZ
1 stop10h 50mAmerican Airlines
Mon 16/1211:37 a.m.YYZ - STL
1 stop11h 28mAmerican Airlines
Deal found 20/11C$ 718
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
Wed 11/128:05 a.m.STL - YYZ
2 stops13h 10mUnited Airlines
Mon 16/127:20 a.m.YYZ - STL
2 stops15h 16mUnited Airlines
Deal found 20/11C$ 792
Mon 2/127:10 p.m.STL - YYZ
2 stops12h 29mWestJet
Wed 18/1212:00 p.m.YYZ - STL
2 stops11h 26mWestJet
Deal found 21/11C$ 1,302
Tue 26/116:30 a.m.STL - YYZ
2 stops10h 25mDelta
Sun 1/126:00 a.m.YYZ - STL
1 stop4h 36mDelta
Deal found 21/11C$ 1,429
Thu 19/127:00 a.m.STL - YYZ
2 stops14h 39mAlaska Airlines
Tue 24/124:22 p.m.YYZ - STL
2 stops18h 14mAlaska Airlines
Deal found 20/11C$ 2,137

Best time to book a flight from St. Louis to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl 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 Pearson Intl

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

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

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

The best time to book flights from St. Louis to Toronto Pearson Intl Airport is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

Find hourly flight availability from St. Louis to Pearson Intl. 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 Pearson Intl Airport 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 52% on airfare.

Weekly flight availability from St. Louis to Toronto Pearson Intl Airport

Explore weekly flight availability from St. Louis to Pearson Intl. 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 YYZ 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 Pearson Intl by month

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

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

Temperature in Pearson Intl by month

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

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

Get insights into the airlines that provide service to Pearson Intl. 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 Pearson Intl. Reviews last updated 21 November 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines and Delta from St. Louis to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,464 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

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
9,464 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

8.0

Boarding

8.2

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 St. Louis to Pearson Intl. 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 Pearson Intl?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Toronto Pearson Intl. You should not have trouble finding flights to Toronto Pearson Intl from Lambert-St Louis; the airport handles an average of 1 outbound flight to Toronto Pearson Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the St. Louis airport to Toronto Pearson Intl. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.

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

    Our cheapest airline available from St. Louis to Toronto Pearson Intl Airport is Alaska Airlines. Our recent data shows that you can find tickets from as low as C$ 695 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at C$ 702 and C$ 718 round-trip.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 390. Users have also found prices from C$ 451 and C$ 522 on Air Canada and WestJet, respectively.

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

    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 Pearson Intl Airport.

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

    While on average a flight from St. Louis to Toronto Pearson Intl Airport is generally C$ 836, our data shows the cheapest flight currently is C$ 360. 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 Pearson Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Pearson Intl 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 Pearson Intl Airport?

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

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Pearson Intl flights
Springfield to Pearson Intl flights

Top airline flying from St. Louis to Pearson Intl

Discover the top airline that operate flights from St. Louis to Pearson Intl. 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 640,016 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 360AverageC$ 779FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from St. Louis to Pearson Intl?

Deals for St. Louis to Pearson Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Pearson Intl from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Yes, we can. To see specific flights from St. Louis to Pearson Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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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