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Cheap flights from Toronto Pearson Intl Airport to St. Louis from $237

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:25 pm - 11:17 amYYZ  Toronto Pearson Intl-STL Lambert-St Louis
45h 52m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 pm - 1:40 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 20m1 stop Orlando
$341Multiple Airlines
Mon, Dec 7 - Wed, Dec 16
Multiple Airlines Logo
10:40 am - 11:17 amYYZ  Toronto Pearson Intl-STL Lambert-St Louis
49h 37m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 pm - 1:40 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 20m1 stop Orlando
$351Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
9:35 am - 11:17 amYYZ  Toronto Pearson Intl-STL Lambert-St Louis
26h 42m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 pm - 1:40 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 20m1 stop Orlando
$351Multiple Airlines
Tue, Dec 8 - Wed, Dec 16
Multiple Airlines Logo
6:30 am - 12:04 amYYZ  Toronto Pearson Intl-STL Lambert-St Louis
18h 34m1 stop Orlando
Multiple Airlines Logo
5:59 pm - 1:40 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
18h 41m1 stop Orlando
$353Multiple Airlines
Wed, Feb 17 - Tue, Feb 23
United Airlines Logo
4:30 pm - 10:59 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
7h 29m1 stop Chicago O'Hare Intl
United Airlines Logo
5:25 am - 2:03 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
7h 38m1 stop Chicago O'Hare Intl
$560United Airlines
Tue, Dec 8 - Wed, Dec 9
United Airlines Logo
10:53 am - 6:16 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
8h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 6:45 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
12h 45m1 stop Chicago O'Hare Intl
$561United Airlines
Sat, Dec 12 - Tue, Jan 5
United Airlines Logo
10:30 am - 9:29 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
11h 59m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
5:06 pm - 9:47 amSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
15h 41m1 stop Chicago O'Hare Intl
$561United Airlines
Sat, Dec 12 - Tue, Jan 5
Air Canada Logo
2:10 pm - 3:26 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
2h 16mnonstop
Air Canada Logo
4:05 pm - 7:05 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
2h 00mnonstop
$629Air Canada
Thu, Dec 3 - Mon, Dec 7
Air Canada Logo
2:10 pm - 3:26 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
2h 16mnonstop
Air Canada Logo
4:05 pm - 7:05 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
2h 00mnonstop
$641Air Canada
Tue, Nov 24 - Sun, Nov 29
Air Canada Logo
2:10 pm - 3:26 pmYYZ  Toronto Pearson Intl-STL Lambert-St Louis
2h 16mnonstop
Air Canada Logo
4:05 pm - 7:05 pmSTL  Lambert-St Louis-YYZ Toronto Pearson Intl
2h 00mnonstop
$644Air Canada
Tue, Dec 8 - Wed, Dec 9

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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
American Airlines
Dec 9
YYZ11:36 amToronto Pearson Intl
9h 22m
1 stop
STL7:58 pmLambert-St Louis
Dec 12
STL6:54 amLambert-St Louis
8h 36m
1 stop
YYZ4:30 pmToronto Pearson Intl
$457
American Airlines
Dec 19
YYZ11:45 amToronto Pearson Intl
13h 14m
1 stop
STL11:59 pmLambert-St Louis
Jan 16
STL5:05 amLambert-St Louis
11h 39m
1 stop
YYZ5:44 pmToronto Pearson Intl
$473
American Airlines
Dec 1
YYZ11:45 amToronto Pearson Intl
9h 05m
1 stop
STL7:50 pmLambert-St Louis
Dec 4
STL6:02 amLambert-St Louis
10h 41m
1 stop
YYZ5:43 pmToronto Pearson Intl
$476

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
Nov 24
YYZ2:10 pmToronto Pearson Intl
2h 16m
STL3:26 pmLambert-St Louis
Nov 29
STL4:05 pmLambert-St Louis
2h 00m
YYZ7:05 pmToronto Pearson Intl
$641
Air Canada
Nov 14
YYZ7:14 amToronto Pearson Intl
11h 11m
1 stop
STL5:25 pmLambert-St Louis
Nov 16
STL4:05 pmLambert-St Louis
2h 00m
YYZ7:05 pmToronto Pearson Intl
$808
Air Canada
Nov 22
YYZ2:10 pmToronto Pearson Intl
2h 16m
STL3:26 pmLambert-St Louis
Dec 2
STL4:05 pmLambert-St Louis
2h 00m
YYZ7:05 pmToronto Pearson Intl
$818

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

Cheapest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Mon 12/7

2:25 pm-11:17 am

2 stops45h 52m

Lambert-St Louis

Wed 12/16

6:20 pm-1:40 pm

1 stop18h 20m

$341

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Wed 12/9

10:40 am-11:17 am

2 stops49h 37m

Lambert-St Louis

Wed 12/16

6:20 pm-1:40 pm

1 stop18h 20m

$351

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

9:35 am-11:17 am

2 stops26h 42m

Lambert-St Louis

Wed 12/16

6:20 pm-1:40 pm

1 stop18h 20m

$351

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Wed 2/17

6:30 am-12:04 am

1 stop18h 34m

Lambert-St Louis

Tue 2/23

5:59 pm-1:40 pm

1 stop18h 41m

$353

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

4:30 pm-10:59 pm

1 stop7h 29m

Lambert-St Louis

Wed 12/9

5:25 am-2:03 pm

1 stop7h 38m

$560

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Sat 12/12

10:53 am-6:16 pm

1 stop8h 23m

Lambert-St Louis

Tue 1/5

5:00 am-6:45 pm

1 stop12h 45m

$561

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Sat 12/12

10:30 am-9:29 pm

2 stops11h 59m

Lambert-St Louis

Tue 1/5

5:06 pm-9:47 am

1 stop15h 41m

$561
Quickest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Thu 12/3

2:10 pm-3:26 pm

Nonstop2h 16m

Lambert-St Louis

Mon 12/7

4:05 pm-7:05 pm

Nonstop2h 00m

$629

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 11/24

2:10 pm-3:26 pm

Nonstop2h 16m

Lambert-St Louis

Sun 11/29

4:05 pm-7:05 pm

Nonstop2h 00m

$641

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 12/8

2:10 pm-3:26 pm

Nonstop2h 16m

Lambert-St Louis

Wed 12/9

4:05 pm-7:05 pm

Nonstop2h 00m

$644

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $579 to $848.
The lowest price recently found on this route was $353.

What is the cheapest month to fly to St. Louis?

In general, January 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 $422. The month of February is another great option to travel to St. Louis, with average flight prices from Toronto Pearson Intl Airport averaging around $427.

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 Sunday 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 Saturday because tickets tend to average around $596. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $440 when looking at flights departing at noon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $533 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 from Toronto Pearson Intl Airport 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 $534 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 $298 on momondo.

What cabin class options are available on Toronto Pearson Intl Airport to St. Louis flights?

There are 3 cabin classes available to choose from on Toronto Pearson Intl Airport to 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 November 2026, 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

$237

Fastest flight time

2h 16m

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 $237. The best round-trip flight deal from Toronto Pearson Intl Airport to St. Louis found on momondo in the last 72 hours is $341.
The fastest flight from Toronto Pearson Intl Airport to St. Louis takes 2h 16m
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

Frequently asked questions about flying from Toronto Pearson Intl Airport to St. Louis

  • 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 16m 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
United AirlinesPriceFrom $226Free CancellationRating
7.3
10,483 reviews
Search United Airlines flights
Air CanadaPriceFrom $256Free CancellationRating
7.1
11,891 reviews
Search Air Canada flights

  • United Airlines Flights From Toronto Pearson Intl Airport to St. Louis

    United Airlines operates around 1 flight from Toronto Pearson Intl Airport to St. Louis every week. The average price of these flights found in the last 72 hours has been $549, but momondo users have found United Airlines deals from Toronto Pearson Intl Airport to St. Louis from as low as $226 round-trip. United Airlines has been scored 7.3/10 in 10,483 reviews.

  • Air Canada Flights From Toronto Pearson Intl Airport to St. Louis

    Air Canada (7.1/10 from 11,891 reviews) operates around 1 flight from Toronto Pearson Intl Airport to St. Louis in any given week. The average Air Canada airfare for this route is around $548, with deals from around $256 rare but found on momondo. Referenced prices are for round-trip Toronto Pearson Intl Airport to St. Louis flight searches in the last 72 hours.

Traveling to a place near St. Louis?

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

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