Find flights
When to book
Airlines
FAQs

Cheap flights from Toronto Pearson Intl Airport to St. Louis from C$ 201

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STL
22 Jan — 29 Jan1
1 adult

The best prices from Toronto Pearson Intl to Lambert-St Louis are usually found in May or March, booked 59 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Pearson Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Pearson Intl (YYZ) to St. Louis (STL). 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 17 January 2025.

Round-trip from

C$ 601

One-way from

C$ 201

Popular in

September

Cheapest in

May

Average price

C$ 709
6/2-10/2
  • 6/2-10/2
  • 4 total stops
  • 30h 48m total
  • Toronto to St. Louis
Search Deals
11/2
  • 11/2
  • 1 total stop
  • 8h 38m total
  • Toronto to St. Louis
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Pearson Intl to St. Louis

Cheapest flights from Pearson Intl to St. Louis
Explore the most affordable flight options available from Pearson Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Thu 6/27:05 a.m.YYZ - STL
1 stop8h 38mMultiple Airlines
Mon 10/212:15 p.m.STL - YYZ
3 stops22h 10mMultiple Airlines
Deal found 16/1C$ 601
Wed 26/27:55 a.m.YYZ - STL
1 stop9h 54mDelta
Tue 4/36:06 a.m.STL - YYZ
1 stop9h 02mDelta
Deal found 16/1C$ 631
Fri 14/21:50 p.m.YYZ - STL
Nonstop2h 16mUnited Airlines
Fri 21/23:50 p.m.STL - YYZ
Nonstop1h 55mUnited Airlines
Deal found 16/1C$ 701
Thu 6/24:20 p.m.YYZ - STL
1 stop22h 33mAlaska Airlines
Mon 10/22:49 p.m.STL - YYZ
1 stop23h 06mAlaska Airlines
Deal found 16/1C$ 710
Fri 14/21:50 p.m.YYZ - STL
Nonstop2h 16mAir Canada
Fri 21/23:50 p.m.STL - YYZ
Nonstop1h 55mAir Canada
Deal found 16/1C$ 713
Thu 30/110:54 a.m.YYZ - STL
1 stop10h 15mAmerican Airlines
Sat 1/211:47 a.m.STL - YYZ
1 stop4h 48mAmerican Airlines
Deal found 16/1C$ 753
Mon 24/38:00 p.m.YYZ - STL
2 stops14h 39mWestJet
Sun 30/36:50 a.m.STL - YYZ
1 stop4h 05mWestJet
Deal found 16/1C$ 786

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

Customize your flight search to find flights from Pearson Intl to St. Louis 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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 6/2

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

1 stop8h 38m

Lambert-St Louis

Mon 10/2

12:15 p.m.-11:25 a.m.

3 stops22h 10m

C$ 601

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 26/2

7:55 a.m.-4:49 p.m.

1 stop9h 54m

Lambert-St Louis

Tue 4/3

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

1 stop9h 02m

C$ 631

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 14/2

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

Nonstop2h 16m

Lambert-St Louis

Fri 21/2

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

Nonstop1h 55m

C$ 701

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 6/2

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

1 stop22h 33m

Lambert-St Louis

Mon 10/2

2:49 p.m.-2:55 p.m.

1 stop23h 06m

C$ 710

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 14/2

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

Nonstop2h 16m

Lambert-St Louis

Fri 21/2

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

Nonstop1h 55m

C$ 713

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 30/1

10:54 a.m.-8:09 p.m.

1 stop10h 15m

Lambert-St Louis

Sat 1/2

11:47 a.m.-5:35 p.m.

1 stop4h 48m

C$ 753

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 24/3

8:00 p.m.-9:39 a.m.

2 stops14h 39m

Lambert-St Louis

Sun 30/3

6:50 a.m.-11:55 a.m.

1 stop4h 05m

C$ 786

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 11/2

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

1 stop8h 38m

C$ 201

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 12/2

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

Nonstop2h 16m

C$ 385

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 9/3

9:30 a.m.-11:03 p.m.

2 stops14h 33m

C$ 448

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/1

Showing 1-10 of 11 results
1
2

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

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Pearson Intl to St. Louis. Price data was last updated on 10 January 2025.

The price you pay for your flight from Toronto Pearson Intl Airport to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to St. Louis (average of C$ 365). Flying from Toronto Pearson Intl Airport to St. Louis 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 YYZ to STL?

Find hourly flight availability from Pearson Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

When flying from Toronto Pearson Intl Airport to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 4% versus a flight at noon.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 17 January 2025.
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,684 reviews
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet
7.2
Good
2,824 reviews
Alaska Airlines
8.0
Very good
9,684 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Pearson Intl to St. Louis. 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 into for flights to St. Louis from Toronto Pearson Intl?

    Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Toronto Pearson Intl to St. Louis. 2 airlines have flights to Lambert-St Louis from Toronto Pearson Intl on a regular basis. Booking flights from Toronto Pearson Intl to Lambert-St Louis should not be difficult; the airport handles an average of 1 inbound flight from Toronto Pearson Intl per day.

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

    Delta, at C$ 631, was found to be the cheapest airline from Toronto Pearson Intl Airport to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. Delta is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

    C$ 385 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from C$ 448 and C$ 996, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Toronto Pearson Intl Airport to St. Louis consider choosing Air Canada (79%), Jazz (79%) or United Airlines (79%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Toronto Pearson Intl Airport to St. Louis is generally C$ 564, our data shows the cheapest flight currently is C$ 229. When looking at the most popular route, (Toronto Pearson Intl - Lambert-St Louis), you can expect to pay C$ 529 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to St. Louis (average of C$ 365). Flying from Toronto Pearson Intl Airport to St. Louis 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

Travelling to a place near Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
St. Peters

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pearson Intl to St. Louis

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

Top 2 airlines flying from Pearson Intl to St. Louis

Discover the top 2 airlines that operate flights from Pearson Intl to St. Louis. 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 518AverageC$ 711FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 540AverageC$ 702FlexibilityNo 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 Pearson Intl to St. Louis?

Cheapflights helps you search for flights from Pearson Intl to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Pearson Intl to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pearson Intl to St. Louis with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pearson Intl to St. Louis, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pearson Intl to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Pearson Intl to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.