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 26 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

Air Canada, American Airlines, and Iberia 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 July 2025, 3 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.

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 July 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.

$166 Cheap Flights from Toronto Pearson Intl Airport to St. Louis in 2025

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2:00 pm - 8:00 pmYYZ-STL

7h 00m1 stop

4:00 pm - 7:00 pmSTL-YYZ

2h 00mnonstop

$323Air Canada

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Thu, Aug 7 - Mon, Aug 25

11:44 am - 8:25 pmYYZ-STL

9h 41m1 stop

6:10 am - 2:31 pmSTL-YYZ

7h 21m1 stop

$326American Airlines

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Mon, Sep 8 - Tue, Sep 16

1:16 pm - 8:18 pmYYZ-STL

8h 02m1 stop

6:01 am - 2:44 pmSTL-YYZ

7h 43m1 stop

$332American Airlines

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Thu, Aug 7 - Mon, Aug 25

1:15 pm - 8:32 pmYYZ-STL

8h 17m1 stop

7:23 am - 5:43 pmSTL-YYZ

9h 20m1 stop

$333American Airlines

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Wed, Sep 3 - Sat, Sep 6

9:00 am - 2:19 pmYYZ-STL

6h 19m1 stop

3:20 pm - 11:58 pmSTL-YYZ

7h 38m1 stop

$336United Airlines

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Tue, Sep 2 - Mon, Sep 8

3:11 pm - 9:53 pmYYZ-STL

7h 42m1 stop

6:05 am - 5:43 pmSTL-YYZ

10h 38m1 stop

$337American Airlines

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Tue, Sep 23 - Thu, Sep 25

7:45 am - 4:18 pmYYZ-STL

9h 33m1 stop

5:23 pm - 11:59 pmSTL-YYZ

5h 36m1 stop

$351Delta

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Fri, Aug 1 - Sat, Aug 9

3:00 pm - 7:57 pmYYZ-STL

5h 57m1 stop

9:15 am - 12:11 pmSTL-YYZ

1h 56mnonstop

$387Air Canada

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Tue, Sep 23 - Thu, Sep 25

9:45 am - 4:31 pmYYZ-STL

7h 46m1 stop

3:41 pm - 11:59 pmSTL-YYZ

7h 18m1 stop

$390Delta

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Sat, Aug 2 - Wed, Aug 6

9:00 am - 7:27 pmYYZ-STL

11h 27m1 stop

9:17 am - 11:58 pmSTL-YYZ

13h 41m1 stop

$416United Airlines

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Sat, Aug 30 - Sat, Sep 6

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

Sep 8

YYZ11:44 amToronto Pearson Intl

9h 41m

1 stop

STL8:25 pmLambert-St Louis

Sep 16

STL6:10 amLambert-St Louis

7h 21m

1 stop

YYZ2:31 pmToronto Pearson Intl

$326

Find similar

American Airlines

Aug 7

YYZ1:16 pmToronto Pearson Intl

8h 02m

1 stop

STL8:18 pmLambert-St Louis

Aug 25

STL6:01 amLambert-St Louis

7h 43m

1 stop

YYZ2:44 pmToronto Pearson Intl

$332

Find similar

American Airlines

Sep 3

YYZ1:15 pmToronto Pearson Intl

8h 17m

1 stop

STL8:32 pmLambert-St Louis

Sep 6

STL7:23 amLambert-St Louis

9h 20m

1 stop

YYZ5:43 pmToronto Pearson Intl

$333

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

Sep 2

YYZ9:00 amToronto Pearson Intl

6h 19m

1 stop

STL2:19 pmLambert-St Louis

Sep 8

STL3:20 pmLambert-St Louis

7h 38m

1 stop

YYZ11:58 pmToronto Pearson Intl

$336

Find similar

United Airlines

Aug 30

YYZ9:00 amToronto Pearson Intl

11h 27m

1 stop

STL7:27 pmLambert-St Louis

Sep 6

STL9:17 amLambert-St Louis

13h 41m

1 stop

YYZ11:58 pmToronto Pearson Intl

$416

Find similar

United Airlines

Aug 13

YYZ2:10 pmToronto Pearson Intl

9h 35m

1 stop

STL10:45 pmLambert-St Louis

Aug 20

STL9:17 amLambert-St Louis

10h 07m

2 stops

YYZ8:24 pmToronto Pearson Intl

$432

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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

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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 $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 Saturday when prices can be found for as low as $357. 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 $486 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 $486 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?

No. A direct flight is the cheapest option for a flight between Toronto Pearson Intl Airport to St. Louis.

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

As of July 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 18% 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	$166
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 $166. The best round-trip flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $323.

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)

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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 July 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 (54.57% of total bookings). The next most popular plane models are Airbus A220-300 (39.12%), Airbus A319 (1.89%), and Airbus A320-100/200 (1.89%).
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 9,738 reviews		Search Air Canada flights

Air Canada Flights From Toronto Pearson Intl Airport to St. Louis
Air Canada operates around 13 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 $479, 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 9,743 reviews.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Collinsville

Fenton

O'Fallon

Farmington

Alton

St. Peters

Wentzville

Festus

Glencoe

Clayton

Edwardsville

Eureka

Shrewsbury

Grafton

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.

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Cheap flights from Toronto Pearson Intl Airport to St. Louis from $166

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

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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

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 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?

No. A direct flight is the cheapest option for a flight between Toronto Pearson Intl Airport to St. Louis.

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

As of July 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 18% 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?

Air Canada, American Airlines, and Iberia 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 July 2025, 3 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 26 per week as of July 2025. The most frequent departure day is Mon, with 15% 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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