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

As of December 2025, 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 12 per week as of December 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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 December 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.

$135 Cheap Flights from Toronto Pearson Intl Airport to St. Louis in 2025/26

Q: What is the typical price of a round-trip flight between Toronto Pearson Intl Airport and St. Louis?

Prices are currently low for flights on this route. Typical prices usually range from $391 to $758. The lowest price recently found on this route was $215.

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

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 am - 10:34 pm

YYZ

STL

16h 24m1 stop

5:11 pm - 2:20 pm

STL

YYZ

20h 09m1 stop

$215Multiple Airlines

jue., ene. 15 - dom., ene. 18

7:10 am - 10:34 pm

YYZ

STL

16h 24m1 stop

10:09 pm - 9:11 pm

STL

YYZ

22h 02m2 stops

$246Multiple Airlines

jue., ene. 15 - dom., ene. 18

12:30 pm - 12:12 pm

YYZ

STL

24h 42m2 stops

12:37 pm - 6:20 am

STL

YYZ

16h 43m1 stop

$274Multiple Airlines

mié., ene. 7 - dom., ene. 11

7:10 am - 8:05 am

YYZ

STL

25h 55m1 stop

3:43 pm - 6:20 am

STL

YYZ

37h 37m2 stops

$276Multiple Airlines

dom., ene. 11 - sáb., ene. 17

7:15 am - 10:33 pm

YYZ

STL

16h 18m1 stop

12:37 pm - 6:20 am

STL

YYZ

16h 43m1 stop

$285Multiple Airlines

mié., ene. 7 - dom., ene. 11

7:10 am - 8:05 am

YYZ

STL

25h 55m1 stop

5:11 pm - 2:16 pm

STL

YYZ

20h 05m1 stop

$301Multiple Airlines

dom., ene. 11 - sáb., ene. 17

5:15 pm - 10:33 pm

YYZ

STL

30h 18m1 stop

9:46 pm - 6:20 am

STL

YYZ

31h 34m1 stop

$304Multiple Airlines

lun., ene. 5 - dom., ene. 11

7:10 am - 8:05 am

YYZ

STL

25h 55m1 stop

10:01 pm - 6:20 am

STL

YYZ

31h 19m1 stop

$305Multiple Airlines

dom., ene. 11 - jue., feb. 5

5:15 pm - 10:33 pm

YYZ

STL

30h 18m1 stop

9:46 pm - 9:11 pm

STL

YYZ

22h 25m2 stops

$306Multiple Airlines

lun., ene. 5 - dom., ene. 11

7:10 am - 8:05 am

YYZ

STL

25h 55m1 stop

10:01 pm - 7:36 pm

STL

YYZ

20h 35m2 stops

$307Multiple Airlines

dom., ene. 11 - jue., feb. 5

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

Jan 8

YYZ11:00 amToronto Pearson Intl

4h 30m

1 stop

STL2:30 pmLambert-St Louis

Jan 12

STL4:49 pmLambert-St Louis

6h 10m

1 stop

YYZ11:59 pmToronto Pearson Intl

$397

Find similar

United Airlines

Jan 7

YYZ9:00 amToronto Pearson Intl

6h 30m

1 stop

STL2:30 pmLambert-St Louis

Jan 11

STL6:40 pmLambert-St Louis

4h 19m

1 stop

YYZ11:59 pmToronto Pearson Intl

$400

Find similar

United Airlines

Mar 6

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Mar 8

STL5:30 amLambert-St Louis

8h 32m

1 stop

YYZ3:02 pmToronto Pearson Intl

$443

Find similar

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

Mar 6

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Mar 8

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

$375

Find similar

Air Canada

Feb 24

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Feb 28

STL4:05 pmLambert-St Louis

2h 01m

YYZ7:06 pmToronto Pearson Intl

$392

Find similar

Air Canada

Jan 7

YYZ2:00 pmToronto Pearson Intl

2h 29m

STL3:29 pmLambert-St Louis

Jan 11

STL6:40 pmLambert-St Louis

4h 19m

1 stop

YYZ11:59 pmToronto Pearson Intl

$442

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

jue. 1/15

7:10 am-10:34 pm

1 stop16h 24m

Lambert-St Louis

dom. 1/18

5:11 pm-2:20 pm

1 stop20h 09m

$215

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

jue. 1/15

7:10 am-10:34 pm

1 stop16h 24m

Lambert-St Louis

dom. 1/18

10:09 pm-9:11 pm

2 stops22h 02m

$246

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

mié. 1/7

12:30 pm-12:12 pm

2 stops24h 42m

Lambert-St Louis

dom. 1/11

12:37 pm-6:20 am

1 stop16h 43m

$274

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

dom. 1/11

7:10 am-8:05 am

1 stop25h 55m

Lambert-St Louis

sáb. 1/17

3:43 pm-6:20 am

2 stops37h 37m

$276

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

mié. 1/7

7:15 am-10:33 pm

1 stop16h 18m

Lambert-St Louis

dom. 1/11

12:37 pm-6:20 am

1 stop16h 43m

$285

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

dom. 1/11

7:10 am-8:05 am

1 stop25h 55m

Lambert-St Louis

sáb. 1/17

5:11 pm-2:16 pm

1 stop20h 05m

$301

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

lun. 1/5

5:15 pm-10:33 pm

1 stop30h 18m

Lambert-St Louis

dom. 1/11

9:46 pm-6:20 am

1 stop31h 34m

$304

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

dom. 1/11

7:10 am-8:05 am

1 stop25h 55m

Lambert-St Louis

jue. 2/5

10:01 pm-6:20 am

1 stop31h 19m

$305

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

lun. 1/5

5:15 pm-10:33 pm

1 stop30h 18m

Lambert-St Louis

dom. 1/11

9:46 pm-9:11 pm

2 stops22h 25m

$306

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

dom. 1/11

7:10 am-8:05 am

1 stop25h 55m

Lambert-St Louis

jue. 2/5

10:01 pm-7:36 pm

2 stops20h 35m

$307

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

Other information

What is the typical price of a round-trip flight between Toronto Pearson Intl Airport and St. Louis?

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 $398.

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 Saturday when prices can be found for as low as $405. 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 $492 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 $472 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 24% 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 December 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 20% more expensive 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	$542
Fastest flight time	2h 09m
Direct flights	Every day
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 $542

The fastest flight from Toronto Pearson Intl Airport to St. Louis takes 2h 09m

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

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 09m 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 December 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 Embraer 175 (64.65% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (15.15%), Airbus A319 (6.06%), and Airbus A320-100/200 (6.06%).
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 10,525 reviews		Search Air Canada flights

Air Canada Flights From Toronto Pearson Intl Airport to St. Louis
Air Canada operates around 6 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 $491, 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 10,527 reviews.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Clayton

Festus

Glencoe

Farmington

Eureka

Edwardsville

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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mié. 1/14

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

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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

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 typical price of a round-trip flight between Toronto Pearson Intl Airport and 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 24% 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 December 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 20% more expensive when compared to flights at the same time last year.

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

As of December 2025, 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 12 per week as of December 2025. The most frequent departure day is Mon, with 17% 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

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