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Cheap flights from Toronto to St. Louis from $146

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 to St. Louis departing on 1/7. 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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Find the cheapest flights from Toronto to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Toronto to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Toronto to St. Louis.

Cheap last minute flights

Planning a quick getaway from Toronto to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Toronto to St. Louis

Find recent round-trip train or bus tickets from Toronto to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
7:00 pm - 11:27 pmYYZ-STL
29h 27m1 stop
5:05 pm - 1:55 pmSTL-YYZ
19h 50m1 stop
Thu, Jan 9 - Sun, Jan 12
7:05 am - 2:42 pmYYZ-STL
8h 37m1 stop
5:20 pm - 11:45 amSTL-YYZ
17h 25m1 stop
Tue, Mar 4 - Tue, Mar 4
1:14 pm - 10:09 pmYYZ-STL
9h 55m1 stop
12:00 pm - 9:20 pmSTL-YYZ
8h 20m1 stop
$441American Airlines
Find Deal
Thu, Jan 16 - Wed, Jan 22
2:30 pm - 9:06 pmYYZ-STL
7h 36m1 stop
6:05 am - 4:11 pmSTL-YYZ
9h 06m1 stop
$445Delta
Find Deal
Thu, Jan 16 - Wed, Jan 22
7:55 am - 4:49 pmYYZ-STL
9h 54m1 stop
6:06 am - 4:08 pmSTL-YYZ
9h 02m1 stop
$450Delta
Find Deal
Wed, Feb 26 - Tue, Mar 4
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$474Air Canada
Find Deal
Thu, Jan 16 - Wed, Jan 22
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$475Air Canada
Find Deal
Mon, Jan 20 - Wed, Jan 22
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
11:28 am - 8:18 pmSTL-YYZ
7h 50m1 stop
$481United Airlines
Find Deal
Thu, Jan 16 - Wed, Jan 22
9:00 am - 2:14 pmYYZ-STL
6h 14m1 stop
5:30 pm - 11:11 pmSTL-YYZ
4h 41m1 stop
$483United Airlines
Find Deal
Thu, Jan 16 - Thu, Jan 16
1:14 pm - 10:09 pmYYZ-STL
9h 55m1 stop
1:00 pm - 7:04 pmSTL-YYZ
5h 04m1 stop
$484American Airlines
Find Deal
Mon, Jan 13 - Fri, Jan 17
7:10 am - 11:27 pmYYZ-STL
17h 17m1 stop
Tue, Jan 7
7:10 am - 11:27 pmYYZ-STL
17h 17m1 stop
Tue, Jan 7
7:10 am - 11:27 pmYYZ-STL
17h 17m1 stop
Tue, Jan 7
7:10 am - 11:31 pmYYZ-STL
17h 21m1 stop
Thu, Jan 16
2:00 pm - 11:27 pmYYZ-STL
10h 27m2 stops
Wed, Jan 15
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$261Air Canada
Find Deal
Tue, Jan 7
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$265United Airlines
Find Deal
Tue, Jan 7
6:30 am - 3:38 pmYYZ-STL
10h 08m2 stops
$271United Airlines
Find Deal
Tue, Jan 7
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$301Air Canada
Find Deal
Tue, Jan 7
1:20 pm - 11:14 pmYYZ-STL
10h 54m2 stops
$377Delta
Find Deal
Tue, Jan 7
8:15 pm - 6:43 amYYZ-STL
11h 28m1 stop
5:52 pm - 11:42 amSTL-YYZ
16h 50m1 stop
Sun, Dec 22 - Sat, Dec 28
8:15 pm - 6:43 amYYZ-STL
11h 28m1 stop
5:55 pm - 10:41 pmSTL-YYZ
3h 46m1 stop
Sun, Dec 22 - Sun, Dec 29
11:50 am - 7:00 pmYYZ-STL
8h 10m1 stop
5:36 am - 5:40 pmSTL-YYZ
11h 04m1 stop
$898American Airlines
Find Deal
Sun, Dec 22 - Sun, Dec 29
10:00 am - 10:06 pmYYZ-STL
13h 06m2 stops
5:55 pm - 10:41 pmSTL-YYZ
3h 46m1 stop
$938WestJet
Find Deal
Sun, Dec 22 - Sun, Dec 29
10:00 am - 10:06 pmYYZ-STL
13h 06m2 stops
6:29 am - 11:22 amSTL-YYZ
3h 53m1 stop
$945WestJet
Find Deal
Sun, Dec 22 - Sat, Dec 28
10:00 am - 10:06 pmYYZ-STL
13h 06m2 stops
6:04 am - 2:59 pmSTL-YYZ
31h 55m2 stops
$983WestJet
Find Deal
Sun, Dec 22 - Sat, Dec 28
7:40 am - 12:10 pmYYZ-STL
29h 30m3 stops
5:52 pm - 11:42 amSTL-YYZ
16h 50m1 stop
Sun, Dec 22 - Sat, Dec 28
10:05 am - 5:30 pmYYZ-STL
8h 25m2 stops
6:29 am - 11:22 amSTL-YYZ
3h 53m1 stop
$1,138Delta
Find Deal
Sun, Dec 22 - Sun, Dec 29
11:00 am - 5:51 pmYYZ-STL
7h 51m1 stop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$1,257Air Canada
Find Deal
Sun, Dec 22 - Sun, Dec 29
10:05 am - 5:30 pmYYZ-STL
8h 25m2 stops
6:04 am - 4:14 pmSTL-YYZ
9h 10m2 stops
$1,898Delta
Find Deal
Sun, Dec 22 - Sun, Dec 29
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$474Air Canada
Find Deal
Thu, Jan 16 - Wed, Jan 22
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$475Air Canada
Find Deal
Mon, Jan 20 - Wed, Jan 22
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$479Air Canada
Find Deal
Thu, Jan 9 - Sun, Jan 12
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$481Air Canada
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
Thu, Jan 9 - Sun, Jan 12
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$507Air Canada
Find Deal
Wed, Jan 1 - Wed, Jan 8
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$514Air Canada
Find Deal
Mon, Jan 13 - Fri, Jan 17
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$517Air Canada
Find Deal
Tue, Jan 7 - Wed, Jan 8
1:50 pm - 2:59 pmYYZ-STL
2h 09mnonstop
3:50 pm - 6:50 pmSTL-YYZ
2h 00mnonstop
$629Air Canada
Find Deal
Wed, Apr 2 - Sun, Apr 6
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$984United Airlines
Find Deal
Sun, Jan 5 - Sun, Jan 12

American Airlines flights from Toronto to St. Louis

Our best American Airlines deals on Toronto to St. Louis flight tickets
American Airlines
Jan 16
YYZ1:14 pmToronto Pearson Intl
9h 55m
1 stop
STL10:09 pmLambert-St Louis
Jan 22
STL12:00 pmLambert-St Louis
8h 20m
1 stop
YYZ9:20 pmToronto Pearson Intl
American Airlines
Jan 13
YYZ1:14 pmToronto Pearson Intl
9h 55m
1 stop
STL10:09 pmLambert-St Louis
Jan 17
STL1:00 pmLambert-St Louis
5h 04m
1 stop
YYZ7:04 pmToronto Pearson Intl
American Airlines
Jan 5
YYZ6:15 amToronto Pearson Intl
4h 21m
1 stop
STL9:36 amLambert-St Louis
Jan 12
STL7:20 amLambert-St Louis
6h 40m
1 stop
YYZ3:00 pmToronto Pearson Intl

Air Canada flights from Toronto to St. Louis

Our best Air Canada deals on Toronto to St. Louis flight tickets
Air Canada
Jan 16
YYZ1:50 pmToronto Pearson Intl
2h 16m
STL3:06 pmLambert-St Louis
Jan 22
STL3:50 pmLambert-St Louis
1h 55m
YYZ6:45 pmToronto Pearson Intl
Air Canada
Jan 20
YYZ1:50 pmToronto Pearson Intl
2h 16m
STL3:06 pmLambert-St Louis
Jan 22
STL3:50 pmLambert-St Louis
1h 55m
YYZ6:45 pmToronto Pearson Intl
Air Canada
Jan 9
YYZ1:50 pmToronto Pearson Intl
2h 16m
STL3:06 pmLambert-St Louis
Jan 12
STL3:50 pmLambert-St Louis
1h 55m
YYZ6:45 pmToronto Pearson Intl

See travel insights to St. Louis from

How to get the cheapest flight ticket from Toronto 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 and St. Louis?

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

In general, February is the cheapest month to fly from Toronto to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $429. The month of May is another great option to travel to St. Louis, with average flight prices from Toronto averaging around $430.

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 $423. 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 $528. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $453 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 $480 per ticket.

What is the cheapest Toronto to Lambert-St Louis flight route?

Fly from Toronto Pearson Intl to Lambert-St Louis for the best Toronto - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

The best time to book a flight to St. Louis from Toronto is 59 days out, which is when prices tend to be around $484. In the past 72 hours, momondo users found flights from Toronto to St. Louis for as low as $346.

What cabin class options are available on Toronto to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on Toronto 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 to St. Louis flights?

You could potentially save up to 44% on your flight if you consider stops on a Toronto to St. Louis flight.

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

As of December 2024, prices for Toronto to St. Louis flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Toronto to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to St. Louis (YTO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to St. Louis

Best Price Found

$146

Fastest flight time

2h 09m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Toronto in the past 72 hours is $146. The best round-trip flight deal from Toronto to St. Louis found on momondo in the last 72 hours is $258.
The fastest flight from Toronto to St. Louis takes 2h 09m
Direct flights go from Toronto to St. Louis on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Toronto to Lambert-St Louis by plane?

    Lambert-St Louis is 659.9 mi away from Toronto. A reasonable flight in good conditions will take 2h 09m.

  • When did momondo last update prices for flights from Toronto to Lambert-St Louis Airport?

    Prices for flights from Toronto to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Toronto to Lambert-St Louis Airport?

  • How old do you have to be to fly from Toronto 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 to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Toronto to St. Louis?

  • What is the most popular airline from Toronto to St. Louis?


Best airlines flying from Toronto to St. Louis

Compare and see reviews for airlines that fly from Toronto to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $264Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom $329Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
  • United Airlines Flights From Toronto to St. Louis

    United Airlines flight deals from Toronto to St. Louis start from $329 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $431 round-trip - but some users have found much cheaper deals with momondo.

  • Air Canada Flights From Toronto to St. Louis

    $264 is the best Air Canada flight deal from Toronto to St. Louis found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to $450, however, with flight time and availability significantly affecting the price. Air Canada (7.0/10 from 8,382 user reviews) flies into St. Louis from Toronto 7 times in an average week so prices can vary.


Why use momondo?

Why should I use momondo to find a flight deal from Toronto to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Toronto to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Toronto with this policy.

How can momondo help me find flights from Toronto to St. Louis?

Once all potential Toronto to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Toronto to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Toronto to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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