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

As of January 2026, 1 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 100% 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 10 per week as of January 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

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

American Airlines is the most popular carrier 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 January 2026, 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.

$125 Cheap Flights from Toronto Pearson Intl Airport to St. Louis in 2026

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

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:51 am

YYZ

STL

40h 11m

2 stops

3:49 pm - 12:29 am

STL

YYZ

7h 40m

1 stop

$274Multiple Airlines

Sat, Feb 21 - Mon, Mar 2

6:00 am - 3:35 pm

YYZ

STL

10h 35m

1 stop

6:00 am - 5:36 pm

STL

YYZ

10h 36m

1 stop

$293American Airlines

Wed, Feb 25 - Wed, Mar 4

7:10 am - 10:27 pm

YYZ

STL

16h 17m

1 stop

8:17 pm - 7:55 pm

STL

YYZ

22h 38m

2 stops

$323Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

5:15 pm - 7:17 am

YYZ

STL

15h 02m

1 stop

11:27 am - 12:14 am

STL

YYZ

35h 47m

2 stops

$343Multiple Airlines

Wed, Mar 25 - Tue, Mar 31

4:44 pm - 11:48 pm

YYZ

STL

8h 04m

1 stop

10:43 am - 9:29 pm

STL

YYZ

9h 46m

1 stop

$344American Airlines

Tue, Feb 17 - Sat, Feb 28

7:10 am - 11:59 pm

YYZ

STL

17h 49m

1 stop

3:49 pm - 12:14 am

STL

YYZ

7h 25m

1 stop

$352Multiple Airlines

Sat, Feb 21 - Mon, Mar 2

6:00 am - 1:39 pm

YYZ

STL

8h 39m

1 stop

12:05 pm - 9:29 pm

STL

YYZ

8h 24m

1 stop

$361American Airlines

Wed, Mar 25 - Tue, Mar 31

10:05 am - 6:51 am

YYZ

STL

21h 46m

2 stops

3:49 pm - 11:26 am

STL

YYZ

18h 37m

1 stop

$363Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

6:00 am - 6:08 pm

YYZ

STL

13h 08m

1 stop

9:37 am - 9:29 pm

STL

YYZ

10h 52m

1 stop

$370American Airlines

Sun, Mar 1 - Wed, Mar 4

4:44 pm - 11:48 pm

YYZ

STL

8h 04m

1 stop

8:00 am - 9:29 pm

STL

YYZ

12h 29m

1 stop

$372American Airlines

Thu, Feb 19 - Sat, Feb 21

Delta flights from Toronto Pearson Intl Airport to St. Louis

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

Delta

Feb 20

YYZ5:15 pmToronto Pearson Intl

7h 08m

1 stop

STL11:23 pmLambert-St Louis

Feb 22

STL5:50 pmLambert-St Louis

3h 50m

1 stop

YYZ10:40 pmToronto Pearson Intl

$434

Delta

Mar 10

YYZ6:30 amToronto Pearson Intl

6h 18m

1 stop

STL11:48 amLambert-St Louis

Mar 13

STL5:25 pmLambert-St Louis

4h 41m

1 stop

YYZ11:06 pmToronto Pearson Intl

$468

Delta

Mar 10

YYZ6:20 amToronto Pearson Intl

7h 38m

1 stop

STL12:58 pmLambert-St Louis

Mar 13

STL5:25 pmLambert-St Louis

4h 41m

1 stop

YYZ11:06 pmToronto Pearson Intl

$491

Air Canada flights from Toronto Pearson Intl Airport to St. Louis

Our best Air Canada deals on Toronto Pearson Intl Airport to St. Louis flight tickets

Air Canada

Feb 20

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Feb 22

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

$422

Air Canada

Feb 20

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Feb 22

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

$428

Air Canada

Feb 20

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Feb 22

STL2:45 pmLambert-St Louis

6h 56m

1 stop

YYZ10:41 pmToronto Pearson Intl

$482

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

Sat 2/21

3:40 pm-6:51 am

2 stops40h 11m

Lambert-St Louis

Mon 3/2

3:49 pm-12:29 am

1 stop7h 40m

$274

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 2/25

6:00 am-3:35 pm

1 stop10h 35m

Lambert-St Louis

Wed 3/4

6:00 am-5:36 pm

1 stop10h 36m

$293

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 2/25

7:10 am-10:27 pm

1 stop16h 17m

Lambert-St Louis

Wed 3/4

8:17 pm-7:55 pm

2 stops22h 38m

$323

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 3/25

5:15 pm-7:17 am

1 stop15h 02m

Lambert-St Louis

Tue 3/31

11:27 am-12:14 am

2 stops35h 47m

$343

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 2/17

4:44 pm-11:48 pm

1 stop8h 04m

Lambert-St Louis

Sat 2/28

10:43 am-9:29 pm

1 stop9h 46m

$344

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 2/21

7:10 am-11:59 pm

1 stop17h 49m

Lambert-St Louis

Mon 3/2

3:49 pm-12:14 am

1 stop7h 25m

$352

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 3/25

6:00 am-1:39 pm

1 stop8h 39m

Lambert-St Louis

Tue 3/31

12:05 pm-9:29 pm

1 stop8h 24m

$361

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 3/1

10:05 am-6:51 am

2 stops21h 46m

Lambert-St Louis

Wed 3/4

3:49 pm-11:26 am

1 stop18h 37m

$363

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 3/1

6:00 am-6:08 pm

1 stop13h 08m

Lambert-St Louis

Wed 3/4

9:37 am-9:29 pm

1 stop10h 52m

$370

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 2/19

4:44 pm-11:48 pm

1 stop8h 04m

Lambert-St Louis

Sat 2/21

8:00 am-9:29 pm

1 stop12h 29m

$372

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 $394. The month of May is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $404.

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 $394. 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 Wednesday because tickets tend to average around $496. 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 $459 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 $470 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 9% 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 January 2026, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 29% 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	$394
Fastest flight time	2h 06m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in St. Louis	1 airport

The best flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $394

The fastest flight from Toronto Pearson Intl Airport to St. Louis takes 2h 06m

Direct flights go from Toronto Pearson Intl Airport to St. Louis on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.

There is 1 airport in St. Louis. From Toronto Pearson Intl Airport there are direct flights to 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 06m 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 January 2026, 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 Embraer 175 (76.77% of total bookings). The next most popular plane models are Airbus A319 (6.06%), Airbus A320-100/200 (6.06%), and Airbus A220-300 (4.04%).
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 $323	Free Cancellation	Rating 7.1 10,666 reviews		Search Air Canada flights

Air Canada Flights From Toronto Pearson Intl Airport to St. Louis
Air Canada operates around 3 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 $486, but momondo users have found Air Canada deals from Toronto Pearson Intl Airport to St. Louis from as low as $323 round-trip. Air Canada has been scored 7.1/10 in 10,666 reviews.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Collinsville

Fenton

St. Peters

Wentzville

Alton

Farmington

Clayton

Edwardsville

Eureka

Festus

Glencoe

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 $125

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

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Delta flights from Toronto Pearson Intl Airport to St. Louis

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

Air Canada flights from Toronto Pearson Intl Airport to St. Louis

Our best Air Canada 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

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 9% 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 January 2026, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 29% 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 is the most popular carrier 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 January 2026, 1 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 100% 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 10 per week as of January 2026. The most frequent departure day is Tue, with 20% 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