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Cheap flights from Toronto Pearson Intl Airport to St. Louis from $218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto Pearson Intl Airport to St. Louis departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Toronto Pearson Intl Airport to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
11:00 am - 8:10 pmYYZ-STL
34h 10m2 stops
 Logo
12:15 pm - 7:37 pmSTL-YYZ
30h 22m2 stops
Thu, May 22 - Sun, May 25
 Logo
9:50 am - 11:37 pmYYZ-STL
14h 47m1 stop
 Logo
9:50 am - 9:08 pmSTL-YYZ
10h 18m2 stops
Tue, Jun 10 - Fri, Jun 13
Air Canada Logo
11:30 am - 12:36 pmYYZ-STL
2h 06mnonstop
Air Canada Logo
7:30 am - 10:25 amSTL-YYZ
1h 55mnonstop
$409Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 21
Air Canada Logo
11:30 am - 12:36 pmYYZ-STL
2h 06mnonstop
Air Canada Logo
1:30 pm - 9:44 pmSTL-YYZ
7h 14m1 stop
$411Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 21
Delta Logo
1:25 pm - 6:01 pmYYZ-STL
5h 36m1 stop
Delta Logo
6:00 am - 11:40 amSTL-YYZ
4h 40m1 stop
$441Delta
Find Deal
Thu, May 22 - Sun, May 25
United Airlines Logo
12:00 pm - 3:47 pmYYZ-STL
4h 47m1 stop
United Airlines Logo
5:00 am - 1:47 pmSTL-YYZ
7h 47m2 stops
$442United Airlines
Find Deal
Fri, Aug 1 - Tue, Aug 5
United Airlines Logo
7:20 am - 3:44 pmYYZ-STL
9h 24m2 stops
United Airlines Logo
8:00 am - 1:24 pmSTL-YYZ
4h 24m1 stop
$456United Airlines
Find Deal
Thu, Sep 11 - Wed, Oct 29
WestJet Logo
6:30 am - 10:32 amYYZ-STL
5h 02m1 stop
WestJet Logo
6:40 am - 11:18 amSTL-YYZ
3h 38m1 stop
$493WestJet
Find Deal
Thu, Jun 19 - Sun, Jun 22
WestJet Logo
6:15 am - 11:31 amYYZ-STL
6h 16m1 stop
WestJet Logo
6:30 am - 6:04 pmSTL-YYZ
10h 34m2 stops
$510WestJet
Find Deal
Sat, Jun 14 - Sat, Jun 21
Delta Logo
1:25 pm - 6:01 pmYYZ-STL
5h 36m1 stop
Delta Logo
6:00 am - 11:40 amSTL-YYZ
4h 40m1 stop
$631Delta
Find Deal
Thu, May 15 - Sun, May 18

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
Aug 1
YYZ12:00 pmToronto Pearson Intl
4h 47m
1 stop
STL3:47 pmLambert-St Louis
Aug 5
STL5:00 amLambert-St Louis
7h 47m
2 stops
YYZ1:47 pmToronto Pearson Intl
United Airlines
Sep 11
YYZ7:20 amToronto Pearson Intl
9h 24m
2 stops
STL3:44 pmLambert-St Louis
Oct 29
STL8:00 amLambert-St Louis
4h 24m
1 stop
YYZ1:24 pmToronto Pearson Intl
United Airlines
Jun 7
YYZ12:05 pmToronto Pearson Intl
10h 20m
2 stops
STL9:25 pmLambert-St Louis
Jun 11
STL8:10 amLambert-St Louis
7h 59m
2 stops
YYZ5:09 pmToronto Pearson Intl

WestJet flights from Toronto Pearson Intl Airport to St. Louis

Our best WestJet deals on Toronto Pearson Intl Airport to St. Louis flight tickets
WestJet
Jun 19
YYZ6:30 amToronto Pearson Intl
5h 02m
1 stop
STL10:32 amLambert-St Louis
Jun 22
STL6:40 amLambert-St Louis
3h 38m
1 stop
YYZ11:18 amToronto Pearson Intl
WestJet
Jun 14
YYZ6:15 amToronto Pearson Intl
6h 16m
1 stop
STL11:31 amLambert-St Louis
Jun 21
STL6:30 amLambert-St Louis
10h 34m
2 stops
YYZ6:04 pmToronto Pearson Intl
WestJet
Jun 26
YYZ6:30 amToronto Pearson Intl
5h 02m
1 stop
STL10:32 amLambert-St Louis
Jun 29
STL6:30 amLambert-St Louis
10h 34m
2 stops
YYZ6:04 pmToronto Pearson Intl

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?

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 $412. The month of August is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $454.

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 Thursday when prices can be found for as low as $356. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $473 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 24 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $493 when searching 24 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 $313 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.

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

As of May 2025, prices for Toronto Pearson Intl Airport to St. Louis flights are approximately 30% 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

$218

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 $218. The best round-trip flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $391.
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)

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $356Free CancellationRating
7.0
9,252 reviews
Search Air Canada flights
  • Air Canada Flights From Toronto Pearson Intl Airport to St. Louis

    Air Canada operates around 4 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 $499, but momondo users have found Air Canada deals from Toronto Pearson Intl Airport to St. Louis from as low as $356 round-trip. Air Canada has been scored 7.0/10 in 9,245 reviews.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Maryland Heights
Fairview Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Edwardsville
Festus
Clayton
Grafton
Litchfield

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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1 adult
Tue 5/6
Tue 5/13

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