How many flights depart from Toronto Pearson Intl Airport to St. Louis on average per week?

The number of flights available between Toronto Pearson Intl Airport and St. Louis is 28 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How many flights depart from Toronto Pearson Intl Airport to St. Louis on average per day?

As of September 2025, 4 flights take off from Toronto Pearson Intl Airport and land in St. Louis each day. The most common flight departure time for this route is 2:00PM, with 50% of daily flights taking off in the afternoon.

What is the cheapest airline that flies from Toronto Pearson Intl to Lambert-St Louis?

American Airlines, Air Canada, and United Airlines are the most popular carriers operating from Toronto Pearson Intl to Lambert-St Louis

When did momondo last update prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

Prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

As of September 2025, there is 1 operator available to choose from for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Pearson Intl Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$152 Cheap Flights from Toronto Pearson Intl Airport to St. Louis in 2025/26

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Find the cheapest flights from Toronto Pearson Intl Airport to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:05 pm - 3:56 pmYYZ-STL

20h 51m1 stop

9:59 pm - 10:52 pmSTL-YYZ

23h 53m2 stops

$263

Find Deal

Fri, Oct 17 - Mon, Oct 20

9:45 am - 1:57 pmYYZ-STL

29h 12m1 stop

9:07 pm - 7:55 pmSTL-YYZ

21h 48m1 stop

$284

Find Deal

Thu, Nov 6 - Mon, Nov 10

10:57 am - 9:19 pmYYZ-STL

11h 22m1 stop

7:58 pm - 10:52 amSTL-YYZ

13h 54m1 stop

$366American Airlines

Find Deal

Mon, Nov 17 - Sat, Nov 22

3:29 pm - 10:55 pmYYZ-STL

8h 26m1 stop

6:00 am - 4:34 pmSTL-YYZ

9h 34m1 stop

$376American Airlines

Find Deal

Wed, Oct 15 - Tue, Oct 21

2:15 pm - 3:18 pmYYZ-STL

2h 03mnonstop

4:05 pm - 7:06 pmSTL-YYZ

2h 01mnonstop

$404Air Canada

Find Deal

Sat, Oct 25 - Sun, Nov 2

3:00 pm - 7:57 pmYYZ-STL

5h 57m1 stop

9:15 am - 12:11 pmSTL-YYZ

1h 56mnonstop

$410Air Canada

Find Deal

Sat, Oct 4 - Mon, Oct 6

9:00 am - 2:25 pmYYZ-STL

6h 25m1 stop

5:24 pm - 11:59 pmSTL-YYZ

5h 35m1 stop

$424United Airlines

Find Deal

Tue, Nov 25 - Sat, Nov 29

5:10 pm - 11:23 pmYYZ-STL

7h 13m1 stop

6:09 pm - 11:05 pmSTL-YYZ

3h 56m1 stop

$460Delta

Find Deal

Wed, Nov 26 - Sun, Nov 30

2:15 pm - 3:18 pmYYZ-STL

2h 03mnonstop

9:20 am - 4:43 pmSTL-YYZ

6h 23m1 stop

$472United Airlines

Find Deal

Wed, Oct 15 - Tue, Oct 21

10:20 am - 3:52 pmYYZ-STL

6h 32m1 stop

5:45 pm - 11:02 pmSTL-YYZ

4h 17m1 stop

$496Delta

Find Deal

Tue, Mar 3 - Wed, Mar 4

American Airlines flights from Toronto Pearson Intl Airport to St. Louis

Our best American Airlines deals on Toronto Pearson Intl Airport to St. Louis flight tickets

American Airlines

Nov 17

YYZ10:57 amToronto Pearson Intl

11h 22m

1 stop

STL9:19 pmLambert-St Louis

Nov 22

STL7:58 pmLambert-St Louis

13h 54m

1 stop

YYZ10:52 amToronto Pearson Intl

$366

Find similar

American Airlines

Oct 15

YYZ3:29 pmToronto Pearson Intl

8h 26m

1 stop

STL10:55 pmLambert-St Louis

Oct 21

STL6:00 amLambert-St Louis

9h 34m

1 stop

YYZ4:34 pmToronto Pearson Intl

$376

Find similar

American Airlines

Oct 11

YYZ6:30 amToronto Pearson Intl

10h 34m

1 stop

STL4:04 pmLambert-St Louis

Oct 18

STL6:00 amLambert-St Louis

9h 34m

1 stop

YYZ4:34 pmToronto Pearson Intl

$388

Find similar

United Airlines flights from Toronto Pearson Intl Airport to St. Louis

Our best United Airlines deals on Toronto Pearson Intl Airport to St. Louis flight tickets

United Airlines

Nov 25

YYZ9:00 amToronto Pearson Intl

6h 25m

1 stop

STL2:25 pmLambert-St Louis

Nov 29

STL5:24 pmLambert-St Louis

5h 35m

1 stop

YYZ11:59 pmToronto Pearson Intl

$424

Find similar

United Airlines

Oct 15

YYZ2:15 pmToronto Pearson Intl

2h 03m

STL3:18 pmLambert-St Louis

Oct 21

STL9:20 amLambert-St Louis

6h 23m

1 stop

YYZ4:43 pmToronto Pearson Intl

$472

Find similar

United Airlines

Oct 2

YYZ2:15 pmToronto Pearson Intl

2h 03m

STL3:18 pmLambert-St Louis

Oct 5

STL9:15 amLambert-St Louis

1h 56m

YYZ12:11 pmToronto Pearson Intl

$473

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Toronto Pearson Intl Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 10/17

8:05 pm-3:56 pm

1 stop20h 51m

Lambert-St Louis

Mon 10/20

9:59 pm-10:52 pm

2 stops23h 53m

$263

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 11/6

9:45 am-1:57 pm

1 stop29h 12m

Lambert-St Louis

Mon 11/10

9:07 pm-7:55 pm

1 stop21h 48m

$284

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 11/17

10:57 am-9:19 pm

1 stop11h 22m

Lambert-St Louis

Sat 11/22

7:58 pm-10:52 am

1 stop13h 54m

$366

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 10/15

3:29 pm-10:55 pm

1 stop8h 26m

Lambert-St Louis

Tue 10/21

6:00 am-4:34 pm

1 stop9h 34m

$376

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 10/25

2:15 pm-3:18 pm

Nonstop2h 03m

Lambert-St Louis

Sun 11/2

4:05 pm-7:06 pm

Nonstop2h 01m

$404

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 10/4

3:00 pm-7:57 pm

1 stop5h 57m

Lambert-St Louis

Mon 10/6

9:15 am-12:11 pm

Nonstop1h 56m

$410

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 11/25

9:00 am-2:25 pm

1 stop6h 25m

Lambert-St Louis

Sat 11/29

5:24 pm-11:59 pm

1 stop5h 35m

$424

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 11/26

5:10 pm-11:23 pm

1 stop7h 13m

Lambert-St Louis

Sun 11/30

6:09 pm-11:05 pm

1 stop3h 56m

$460

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 10/15

2:15 pm-3:18 pm

Nonstop2h 03m

Lambert-St Louis

Tue 10/21

9:20 am-4:43 pm

1 stop6h 23m

$472

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 3/3

10:20 am-3:52 pm

1 stop6h 32m

Lambert-St Louis

Wed 3/4

5:45 pm-11:02 pm

1 stop4h 17m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Toronto Pearson Intl Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

In general, June is the cheapest month to fly from Toronto Pearson Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. The month of May is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $401.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $391. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $541. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Toronto Pearson Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $326 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $479 per ticket.

What is the cheapest Toronto Pearson Intl to Lambert-St Louis flight route?

Fly from Toronto Pearson Intl to Lambert-St Louis for the best Toronto Pearson Intl - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $493 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Toronto Pearson Intl Airport for as low as $360 on momondo.

What cabin class options are available on Toronto Pearson Intl to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Toronto Pearson Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto Pearson Intl Airport to St. Louis flights?

You could potentially save up to 2% on your flight if you consider stops on a Toronto Pearson Intl Airport to St. Louis flight.

How have Toronto Pearson Intl Airport to St. Louis flight prices changed over time?

As of September 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Toronto Pearson Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto Pearson Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Toronto Pearson Intl Airport to St. Louis (YYZ to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Pearson Intl Airport to St. Louis

Best Price Found	$283
Fastest flight time	2h 03m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Toronto Pearson Intl Airport in the past 72 hours is $283. The best round-trip flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $405.

The fastest flight from Toronto Pearson Intl Airport to St. Louis takes 2h 03m

Direct flights go from Toronto Pearson Intl Airport to St. Louis every day.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

How far is Toronto Pearson Intl to Lambert-St Louis by plane?
Lambert-St Louis is 650.6 mi away from Toronto Pearson Intl. 2h 03m is a normal flight duration for this route.
When did momondo last update prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
Prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
As of September 2025, there is 1 operator available to choose from for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Toronto Pearson Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Pearson Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Toronto Pearson Intl Airport to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Toronto Pearson Intl Airport to St. Louis is Canadair (Bombardier) Regional Jet 900 (75.30% of total bookings). The next most popular plane models are Airbus A220-300 (7.83%), Embraer 175 (7.23%), and Airbus A319 (3.61%).
What is the most popular airline from Toronto Pearson Intl Airport to St. Louis?
momondo data reveals that the most frequently booked airline on the route from Toronto Pearson Intl Airport to St. Louis is Air Canada, representing 100% of all bookings.

Best airlines flying from Toronto Pearson Intl Airport to St. Louis

Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $324	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Air Canada Flights From Toronto Pearson Intl Airport to St. Louis
Air Canada operates around 14 flights from Toronto Pearson Intl Airport to St. Louis every week. The average price of these flights found in the last 72 hours has been $496, but momondo users have found Air Canada deals from Toronto Pearson Intl Airport to St. Louis from as low as $324 round-trip. Air Canada has been scored 7.1/10 in 10,000 reviews.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to St. Louis?

Finding the right flight to St. Louis from Toronto is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Toronto to St. Louis with flexible booking policies on momondo?

All flight searches from Toronto to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Toronto to St. Louis?

Once you have performed a search for Toronto to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Toronto to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Toronto Pearson Intl Airport to St. Louis from $152

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American Airlines flights from Toronto Pearson Intl Airport to St. Louis

Our best American Airlines deals on Toronto Pearson Intl Airport to St. Louis flight tickets

United Airlines flights from Toronto Pearson Intl Airport to St. Louis

Our best United Airlines deals on Toronto Pearson Intl Airport to St. Louis flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Toronto Pearson Intl Airport to St. Louis that are best for you.

See travel insights to St. Louis from

How to get the cheapest flight ticket from Toronto Pearson Intl Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

What is the cheapest day to depart on your flight to St. Louis?

What is the cheapest time of day to depart on your flight to St. Louis?

What is the cheapest Toronto Pearson Intl to Lambert-St Louis flight route?

Fly from Toronto Pearson Intl to Lambert-St Louis for the best Toronto Pearson Intl - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

What cabin class options are available on Toronto Pearson Intl to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Toronto Pearson Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto Pearson Intl Airport to St. Louis flights?

You could potentially save up to 2% on your flight if you consider stops on a Toronto Pearson Intl Airport to St. Louis flight.

How have Toronto Pearson Intl Airport to St. Louis flight prices changed over time?

As of September 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 7% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Toronto Pearson Intl to Lambert-St Louis?

American Airlines, Air Canada, and United Airlines are the most popular carriers operating from Toronto Pearson Intl to Lambert-St Louis

How many flights depart from Toronto Pearson Intl Airport to St. Louis on average per day?

As of September 2025, 4 flights take off from Toronto Pearson Intl Airport and land in St. Louis each day. The most common flight departure time for this route is 2:00PM, with 50% of daily flights taking off in the afternoon.

How many flights depart from Toronto Pearson Intl Airport to St. Louis on average per week?

The number of flights available between Toronto Pearson Intl Airport and St. Louis is 28 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from Toronto Pearson Intl Airport to St. Louis

Cheap Toronto Pearson Intl Airport to St. Louis (YYZ to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Pearson Intl Airport to St. Louis

Best Price Found

Fastest flight time

Direct flights

Airports in St. Louis

How far is Toronto Pearson Intl to Lambert-St Louis by plane?

When did momondo last update prices for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

How many operators does momondo search for flights from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

How old do you have to be to fly from Toronto Pearson Intl Airport to Lambert-St Louis Airport?

What documentation or ID do you need to fly to Lambert-St Louis Airport?

What is the most popular plane model from Toronto Pearson Intl Airport to St. Louis?

What is the most popular airline from Toronto Pearson Intl Airport to St. Louis?

Best airlines flying from Toronto Pearson Intl Airport to St. Louis

Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to St. Louis with momondo

Air Canada Flights From Toronto Pearson Intl Airport to St. Louis

Traveling to a place near St. Louis?

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to St. Louis?

Can I find flights from Toronto to St. Louis with flexible booking policies on momondo?

How can momondo help me find flights from Toronto to St. Louis?

I’m not ready to book a flight from Toronto to St. Louis right now. Can momondo alert me if prices change?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri