Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Toronto from $182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Toronto departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Toronto

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Toronto 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 St. Louis to Toronto.

Cheap last minute flights

Planning a quick getaway from St. Louis to Toronto? 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 Toronto, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Toronto

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

All round-trip flight deals to Toronto

The cheapest plane tickets to Toronto found on KAYAK recently.
12:15 pm - 11:53 pmSTL-YYZ
34h 38m3 stops
7:05 am - 2:43 pmYYZ-STL
8h 38m1 stop
Wed, Jan 15 - Tue, Jan 21
4:28 pm - 11:45 amSTL-YYZ
18h 17m2 stops
7:05 am - 2:43 pmYYZ-STL
8h 38m1 stop
Sun, Feb 2 - Thu, Feb 6
6:05 am - 4:11 pmSTL-YYZ
9h 06m1 stop
5:05 pm - 8:58 amYYZ-STL
16h 53m1 stop
$463Delta
Find Deal
Wed, Jan 8 - Wed, Jan 22
6:05 am - 4:11 pmSTL-YYZ
9h 06m1 stop
7:55 am - 4:53 pmYYZ-STL
9h 58m1 stop
$473Delta
Find Deal
Wed, Jan 15 - Tue, Jan 21
12:00 pm - 9:20 pmSTL-YYZ
8h 20m1 stop
6:15 am - 2:07 pmYYZ-STL
8h 52m1 stop
$516American Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
7:20 am - 7:04 pmSTL-YYZ
10h 44m1 stop
1:14 pm - 10:09 pmYYZ-STL
9h 55m1 stop
$517American Airlines
Find Deal
Mon, Jan 13 - Wed, Jan 15
6:30 am - 10:15 pmSTL-YYZ
14h 45m2 stops
6:52 am - 3:38 pmYYZ-STL
9h 46m1 stop
$595United Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 11
5:30 pm - 12:25 pmSTL-YYZ
17h 55m1 stop
9:00 pm - 3:38 pmYYZ-STL
19h 38m1 stop
$597United Airlines
Find Deal
Tue, Jan 7 - Fri, Jan 10
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$664Air Canada
Find Deal
Wed, Jan 8 - Wed, Jan 22
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$670Air Canada
Find Deal
Wed, Jan 8 - Sat, Jan 11
6:49 pm - 1:55 pmSTL-YYZ
18h 06m2 stops
Mon, Jan 6
5:45 pm - 1:55 pmSTL-YYZ
19h 10m1 stop
Mon, Jan 6
12:15 pm - 10:35 pmSTL-YYZ
33h 20m3 stops
Mon, Jan 6
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$381Air Canada
Find Deal
Wed, Jan 1
8:00 am - 3:45 pmSTL-YYZ
6h 45m1 stop
$391Air Canada
Find Deal
Wed, Jan 1
6:30 am - 3:09 pmSTL-YYZ
7h 39m2 stops
$396American Airlines
Find Deal
Wed, Jan 1
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
$537Air Canada
Find Deal
Mon, Jan 6
3:53 pm - 1:55 pmSTL-YYZ
21h 02m1 stop
7:05 am - 3:21 pmYYZ-STL
9h 16m1 stop
Sun, Dec 22 - Sun, Jan 5
5:45 pm - 1:55 pmSTL-YYZ
19h 10m1 stop
7:05 am - 3:21 pmYYZ-STL
9h 16m1 stop
Mon, Dec 23 - Thu, Jan 2
3:53 pm - 1:55 pmSTL-YYZ
21h 02m1 stop
7:05 am - 3:21 pmYYZ-STL
9h 16m1 stop
Sun, Dec 22 - Thu, Jan 2
7:30 am - 7:00 pmSTL-YYZ
10h 30m2 stops
1:49 pm - 11:00 pmYYZ-STL
10h 11m1 stop
$918American Airlines
Find Deal
Wed, Dec 25 - Fri, Dec 27
7:15 am - 5:12 pmSTL-YYZ
8h 57m2 stops
5:15 pm - 9:35 pmYYZ-STL
5h 20m1 stop
$1,067Delta
Find Deal
Mon, Dec 23 - Thu, Jan 2
6:25 am - 5:19 pmSTL-YYZ
9h 54m2 stops
7:20 am - 3:47 pmYYZ-STL
9h 27m2 stops
$1,078United Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 1
3:10 pm - 9:25 pmSTL-YYZ
5h 15m1 stop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$1,156United Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
5:45 am - 12:30 pmSTL-YYZ
5h 45m1 stop
3:49 pm - 11:00 pmYYZ-STL
8h 11m1 stop
$1,165American Airlines
Find Deal
Wed, Dec 25 - Fri, Dec 27
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$1,272Air Canada
Find Deal
Mon, Dec 23 - Thu, Jan 2
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$2,134Air Canada
Find Deal
Sun, Dec 22 - Sun, Jan 5
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$617United Airlines
Find Deal
Thu, Mar 6 - Sun, Mar 16
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$618Air Canada
Find Deal
Thu, Mar 6 - Sun, Mar 16
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$664Air Canada
Find Deal
Wed, Jan 8 - Wed, Jan 22
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$670Air Canada
Find Deal
Wed, Jan 8 - Sat, Jan 11
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$723United Airlines
Find Deal
Tue, Jan 7 - Fri, Jan 10
3:50 pm - 6:50 pmSTL-YYZ
2h 00mnonstop
1:50 pm - 2:59 pmYYZ-STL
2h 09mnonstop
$830United Airlines
Find Deal
Wed, Apr 16 - Mon, Apr 21
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$948United Airlines
Find Deal
Mon, Jan 6 - Fri, Jan 10
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$1,045United Airlines
Find Deal
Sun, Feb 2 - Thu, Feb 6
3:50 pm - 6:45 pmSTL-YYZ
1h 55mnonstop
1:50 pm - 3:06 pmYYZ-STL
2h 16mnonstop
$2,539United Airlines
Find Deal
Fri, Jan 3 - Sun, Jan 5

Delta flights from St. Louis to Toronto

Our best Delta deals on St. Louis to Toronto flight tickets
Delta
Jan 8
STL6:05 amLambert-St Louis
9h 06m
1 stop
YYZ4:11 pmToronto Pearson Intl
Jan 22
YYZ5:05 pmToronto Pearson Intl
16h 53m
1 stop
STL8:58 amLambert-St Louis
Delta
Jan 15
STL6:05 amLambert-St Louis
9h 06m
1 stop
YYZ4:11 pmToronto Pearson Intl
Jan 21
YYZ7:55 amToronto Pearson Intl
9h 58m
1 stop
STL4:53 pmLambert-St Louis
Delta
Jan 15
STL6:05 amLambert-St Louis
9h 06m
1 stop
YYZ4:11 pmToronto Pearson Intl
Jan 21
YYZ6:15 amToronto Pearson Intl
11h 27m
2 stops
STL4:42 pmLambert-St Louis

American Airlines flights from St. Louis to Toronto

Our best American Airlines deals on St. Louis to Toronto flight tickets
American Airlines
Jan 8
STL12:00 pmLambert-St Louis
8h 20m
1 stop
YYZ9:20 pmToronto Pearson Intl
Jan 11
YYZ6:15 amToronto Pearson Intl
8h 52m
1 stop
STL2:07 pmLambert-St Louis
American Airlines
Jan 13
STL7:20 amLambert-St Louis
10h 44m
1 stop
YYZ7:04 pmToronto Pearson Intl
Jan 15
YYZ1:14 pmToronto Pearson Intl
9h 55m
1 stop
STL10:09 pmLambert-St Louis
American Airlines
Jan 6
STL11:57 amLambert-St Louis
8h 33m
1 stop
YYZ9:30 pmToronto Pearson Intl
Jan 10
YYZ7:00 amToronto Pearson Intl
8h 58m
1 stop
STL2:58 pmLambert-St Louis

See travel insights to Toronto from

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

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 Toronto?

The month of March is, on average, the cheapest month to fly to Toronto from St. Louis, with most prices found around $215. If you are unable to visit Toronto during the month of March, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $228.

What is the cheapest day to depart on your flight to Toronto?

On average, the least expensive day to fly to Toronto from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $262. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Saturday, with ticket prices averaging around $543.

What is the cheapest time of day to depart on your flight to Toronto?

At noon is the cheapest time of day to fly from St. Louis to Toronto when you can find flight prices for as low as $225. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $476. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Toronto?

We recommend purchasing flights from St. Louis to Toronto 53 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Toronto for $439. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $196.

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

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

You could potentially save up to 52% on your flight if you consider stops on a St. Louis to Toronto flight.

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

As of December 2024, prices for St. Louis to Toronto flights are approximately 73% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Toronto

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

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

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

Best Price Found

$182

Fastest flight time

1h 55m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Toronto

1 airport
The best one-way flight to Toronto from St. Louis in the past 72 hours is $182. The best round-trip flight deal from St. Louis to Toronto found on momondo in the last 72 hours is $353.
The fastest flight from St. Louis to Toronto takes 1h 55m
Direct flights go from St. Louis to Toronto on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near Toronto: Toronto Pearson Intl (YYZ)

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

    The straight-line distance from Lambert-St Louis to Toronto is 659.9 mi. A reasonable flight in good conditions will take 1h 55m.

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

    Prices for flights from Lambert-St Louis Airport to Toronto are updated daily.

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

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

    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 Lambert-St Louis Airport to Toronto.

  • What documentation or ID do you need to fly to Toronto?

    The required travel and health documents for your Toronto 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 Toronto. 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 St. Louis to Toronto?

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


Best airlines flying from St. Louis to Toronto

Compare and see reviews for airlines that fly from St. Louis to Toronto with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $202Free CancellationRating
7.0
8,413 reviews
Search Air Canada flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
American AirlinesPriceFrom $304Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From St. Louis to Toronto

    United Airlines flight deals from St. Louis to Toronto start from $226 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $562 round-trip - but some users have found much cheaper deals with momondo.

  • Air Canada Flights From St. Louis to Toronto

    Air Canada is also a popular choice for this route. Air Canada flight deals for St. Louis to Toronto start from as low as $202 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $478. Air Canada operates 3 flights to Toronto from St. Louis in an average week. Users have rated it 7.0/10 across 8,413 reviews.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Toronto from St. Louis.

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

Yes. momondo allows you to filter the results for St. Louis to Toronto flights to just show those with flexible booking policies.

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

Once you have performed a search for St. Louis to Toronto 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 St. Louis to Toronto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Toronto 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.
1 adult
From?
To?
Fri 12/27
Fri 1/3
Email me momondo's favorite deals

Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto