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Cheap flights from St. Louis to Toronto Pearson Intl Airport from C$ 522

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYZ
28 Dec — 4 Jan1
1 adult

The best prices from Lambert-St Louis to Toronto Pearson Intl are usually found in May or February, booked 82 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 23 December 2024.

Round-trip from

C$ 522

Popular in

November

Cheapest in

May

Average price

C$ 872
2/2-6/2
  • 2/2-6/2
  • 4 total stops
  • 43h 16m total
  • St. Louis to Toronto
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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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 23 December 2024.

Thu 26/124:27 p.m.STL - YYZ
1 stop21h 50mMultiple Airlines
Sat 28/128:15 p.m.YYZ - STL
1 stop28h 43mMultiple Airlines
Deal found 22/12C$ 865
Sun 29/128:00 a.m.STL - YYZ
1 stop6h 45mUnited Airlines
Wed 1/11:50 p.m.YYZ - STL
Nonstop2h 16mUnited Airlines
Deal found 21/12C$ 1,425
Mon 23/127:15 a.m.STL - YYZ
2 stops8h 57mDelta
Thu 2/15:15 p.m.YYZ - STL
1 stop5h 20mDelta
Deal found 21/12C$ 1,533
Sun 29/1211:46 a.m.STL - YYZ
2 stops17h 33mWestJet
Wed 1/16:30 a.m.YYZ - STL
1 stop16h 36mWestJet
Deal found 21/12C$ 1,560
Mon 23/123:50 p.m.STL - YYZ
Nonstop1h 55mAir Canada
Thu 2/11:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Deal found 21/12C$ 1,828
Mon 23/1211:36 a.m.STL - YYZ
2 stops26h 31mAlaska Airlines
Thu 2/16:10 a.m.YYZ - STL
2 stops18h 49mAlaska Airlines
Deal found 21/12C$ 2,599

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 629,999 searches. Data last updated 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 2/2

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

3 stops34h 38m

Toronto Pearson Intl

Thu 6/2

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

1 stop8h 38m

C$ 522

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$ 667

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 13/1

7:20 a.m.-7:04 p.m.

1 stop10h 44m

Toronto Pearson Intl

Wed 15/1

1:14 p.m.-10:09 p.m.

1 stop9h 55m

C$ 743

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/3

7:00 a.m.-2:55 p.m.

1 stop30h 55m

Toronto Pearson Intl

Sun 16/3

4:10 p.m.-11:59 p.m.

1 stop32h 49m

C$ 769

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 7/1

11:30 a.m.-11:59 p.m.

1 stop11h 29m

Toronto Pearson Intl

Fri 10/1

9:00 p.m.-10:54 a.m.

1 stop14h 54m

C$ 858

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 13/1

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

Nonstop1h 55m

Toronto Pearson Intl

Wed 15/1

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

Nonstop2h 16m

C$ 887

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 18/4

10:10 a.m.-12:37 p.m.

2 stops25h 27m

Toronto Pearson Intl

Sun 20/4

6:00 a.m.-11:45 a.m.

1 stop6h 45m

C$ 1,096

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 1/1

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

Nonstop1h 55m

C$ 547

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 1/1

6:30 a.m.-3:09 p.m.

2 stops7h 39m

C$ 606

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

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 20 December 2024.

The best time to book flights from St. Louis to Toronto Pearson Intl Airport is 81 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 23 December 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 23 December 2024.

The most flights from STL to YYZ 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 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 23 December 2024.
Peruse reviews from past customers who have flown with United Airlines, Air Canada and WestJet 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
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
9,549 reviews
Alaska Airlines
8.0
Very good
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
8,588 reviews
Alaska Airlines
8.0
Very good
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
9,022 reviews
Alaska Airlines
8.0
Very good
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
2,816 reviews
Alaska Airlines
8.0
Very good
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
9,549 reviews
Check prices

Food

7.2

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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 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 2 outbound flights 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 Delta. Our recent data shows that you can find tickets from as low as C$ 667 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at C$ 743 and C$ 769 round-trip.

  • 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$ 363, our data shows the cheapest flight currently is C$ 321. When looking at the most popular route, (Lambert-St Louis - Toronto Pearson Intl), you can expect to pay C$ 522 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 629,999 searches. Data last updated 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 371AverageC$ 802FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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