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

American Airlines, Air Canada, and Delta 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 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.

$151 Cheap Flights from Toronto Pearson Intl Airport to St. Louis in 2025

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

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One-way

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Cheap round-trip flights

2:15 pm - 3:21 pmYYZ-STL

2h 06mnonstop

9:15 am - 12:15 pmSTL-YYZ

2h 00mnonstop

$308Air Canada

Find Deal

vie., ago. 15 - dom., ago. 17

2:15 pm - 3:21 pmYYZ-STL

2h 06mnonstop

1:30 pm - 9:44 pmSTL-YYZ

7h 14m1 stop

$309Air Canada

Find Deal

vie., ago. 15 - dom., ago. 17

7:35 am - 8:32 pmYYZ-STL

13h 57m2 stops

6:10 am - 5:19 pmSTL-YYZ

10h 09m2 stops

$314American Airlines

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mié., sep. 3 - mar., sep. 9

6:21 pm - 12:53 pmYYZ-STL

19h 32m1 stop

7:23 am - 6:30 pmSTL-YYZ

10h 07m2 stops

$316American Airlines

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sáb., ago. 30 - lun., sep. 8

6:30 am - 4:31 pmYYZ-STL

11h 01m1 stop

2:30 pm - 7:55 amSTL-YYZ

16h 25m2 stops

$327

Find Deal

mar., ago. 12 - dom., ago. 17

7:55 am - 3:29 pmYYZ-STL

8h 34m1 stop

6:05 am - 4:08 pmSTL-YYZ

9h 03m1 stop

$337Delta

Find Deal

mar., sep. 9 - jue., sep. 11

6:20 am - 10:37 amYYZ-STL

5h 17m1 stop

9:16 am - 8:43 pmSTL-YYZ

10h 27m1 stop

$341Delta

Find Deal

sáb., ago. 30 - mié., sep. 3

6:00 pm - 11:35 pmYYZ-STL

6h 35m1 stop

5:00 am - 1:42 pmSTL-YYZ

7h 42m1 stop

$344United Airlines

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lun., ago. 4 - lun., ago. 18

5:15 pm - 10:45 pmYYZ-STL

6h 30m1 stop

8:00 am - 1:42 pmSTL-YYZ

4h 42m1 stop

$345United Airlines

Find Deal

vie., ago. 8 - dom., ago. 17

3:00 pm - 8:00 pmYYZ-STL

6h 00m1 stop

2:30 pm - 11:40 amSTL-YYZ

20h 10m3 stops

$368

Find Deal

vie., ago. 15 - dom., ago. 17

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 3

YYZ7:35 amToronto Pearson Intl

13h 57m

2 stops

STL8:32 pmLambert-St Louis

Sep 9

STL6:10 amLambert-St Louis

10h 09m

2 stops

YYZ5:19 pmToronto Pearson Intl

$314

Find similar

American Airlines

Aug 30

YYZ6:21 pmToronto Pearson Intl

19h 32m

1 stop

STL12:53 pmLambert-St Louis

Sep 8

STL7:23 amLambert-St Louis

10h 07m

2 stops

YYZ6:30 pmToronto Pearson Intl

$316

Find similar

American Airlines

Aug 7

YYZ6:30 amToronto Pearson Intl

7h 42m

1 stop

STL1:12 pmLambert-St Louis

Aug 14

STL7:23 amLambert-St Louis

9h 18m

1 stop

YYZ5:41 pmToronto Pearson Intl

$326

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

Aug 15

YYZ2:15 pmToronto Pearson Intl

2h 06m

STL3:21 pmLambert-St Louis

Aug 17

STL9:15 amLambert-St Louis

2h 00m

YYZ12:15 pmToronto Pearson Intl

$308

Find similar

Air Canada

Aug 15

YYZ2:15 pmToronto Pearson Intl

2h 06m

STL3:21 pmLambert-St Louis

Aug 17

STL1:30 pmLambert-St Louis

7h 14m

1 stop

YYZ9:44 pmToronto Pearson Intl

$309

Find similar

Air Canada

Aug 15

YYZ2:15 pmToronto Pearson Intl

2h 06m

STL3:21 pmLambert-St Louis

Aug 17

STL4:00 pmLambert-St Louis

2h 00m

YYZ7:00 pmToronto Pearson Intl

$310

Find similar

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, May 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 $401. The month of June is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $422.

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 $341 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 10% 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	$151
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 $151. The best round-trip flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $308.

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 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 (54.15% of total bookings). The next most popular plane models are Airbus A220-300 (40.31%), Airbus A319 (1.85%), and Airbus A320-100/200 (1.85%).
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 9,695 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 $481, 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 9,692 reviews.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Collinsville

Fenton

Farmington

O'Fallon

St. Peters

Alton

Wentzville

Festus

Glencoe

Clayton

Eureka

Edwardsville

Grafton

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

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Cheap flights from Toronto Pearson Intl Airport to St. Louis from $151

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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

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

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?

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 10% 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 Delta 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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