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Cheap flights from St. Louis to Toronto from C$ 225

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 10/3. 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 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 from St. Louis to Toronto

The cheapest plane tickets from St. Louis to Toronto found on KAYAK recently.
4:00 p.m. - 1:55 p.m.STL-YYZ
20h 55m2 stops
7:05 a.m. - 2:42 p.m.YYZ-STL
8h 37m1 stop
C$ 432
Find Deal
Tue, 18 Feb - Tue, 25 Feb
4:00 p.m. - 1:55 p.m.STL-YYZ
20h 55m2 stops
7:05 a.m. - 2:42 p.m.YYZ-STL
8h 37m1 stop
C$ 436
Find Deal
Tue, 18 Feb - Tue, 25 Feb
1:35 p.m. - 11:39 p.m.STL-YYZ
9h 04m1 stop
7:55 a.m. - 4:49 p.m.YYZ-STL
9h 54m1 stop
C$ 625Delta
Find Deal
Thu, 27 Feb - Wed, 5 Mar
1:35 p.m. - 11:39 p.m.STL-YYZ
9h 04m1 stop
7:55 a.m. - 4:49 p.m.YYZ-STL
9h 54m1 stop
C$ 668Delta
Find Deal
Tue, 11 Feb - Thu, 13 Feb
7:29 a.m. - 7:00 p.m.STL-YYZ
10h 31m1 stop
10:55 a.m. - 10:44 p.m.YYZ-STL
12h 49m1 stop
C$ 704American Airlines
Find Deal
Tue, 18 Feb - Tue, 25 Feb
1:05 p.m. - 7:45 p.m.STL-YYZ
5h 40m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 802Air Canada
Find Deal
Fri, 7 Mar - Fri, 14 Mar
6:04 a.m. - 4:44 p.m.STL-YYZ
9h 40m1 stop
6:15 a.m. - 3:02 p.m.YYZ-STL
9h 47m1 stop
C$ 803American Airlines
Find Deal
Tue, 18 Feb - Sat, 22 Feb
8:05 a.m. - 1:42 p.m.STL-YYZ
4h 37m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 811Air Canada
Find Deal
Thu, 27 Feb - Wed, 5 Mar
5:35 p.m. - 9:58 a.m.STL-YYZ
15h 23m1 stop
1:25 p.m. - 3:47 p.m.YYZ-STL
27h 22m2 stops
C$ 842United Airlines
Find Deal
Mon, 31 Mar - Thu, 10 Apr
3:32 p.m. - 11:59 p.m.STL-YYZ
7h 27m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 921United Airlines
Find Deal
Tue, 4 Mar - Tue, 11 Mar
5:24 p.m. - 1:55 p.m.STL-YYZ
19h 31m1 stop
C$ 225
Find Deal
Mon, 10 Mar
3:48 p.m. - 9:41 p.m.STL-YYZ
28h 53m2 stops
C$ 235
Find Deal
Tue, 28 Jan
11:08 p.m. - 9:31 p.m.STL-YYZ
21h 23m2 stops
C$ 245
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Fri, 21 Feb
10:20 a.m. - 8:28 p.m.STL-YYZ
9h 08m1 stop
C$ 274Delta
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Wed, 12 Feb
3:21 p.m. - 1:55 p.m.STL-YYZ
21h 34m1 stop
C$ 356Alaska Airlines
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Sat, 8 Mar
7:00 a.m. - 2:55 p.m.STL-YYZ
30h 55m1 stop
C$ 384Alaska Airlines
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Fri, 21 Feb
8:00 a.m. - 8:25 p.m.STL-YYZ
11h 25m2 stops
C$ 393United Airlines
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Wed, 12 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
C$ 406Air Canada
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Fri, 7 Mar
1:05 p.m. - 7:45 p.m.STL-YYZ
5h 40m1 stop
C$ 413Air Canada
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Thu, 13 Mar
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
C$ 426United Airlines
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Fri, 28 Feb
7:09 p.m. - 1:55 p.m.STL-YYZ
17h 46m2 stops
2:55 p.m. - 2:43 p.m.YYZ-STL
24h 48m1 stop
C$ 631
Find Deal
Sat, 25 Jan - Mon, 27 Jan
5:05 p.m. - 1:55 p.m.STL-YYZ
19h 50m1 stop
7:05 a.m. - 2:43 p.m.YYZ-STL
8h 38m1 stop
C$ 766
Find Deal
Wed, 22 Jan - Tue, 28 Jan
5:05 p.m. - 1:55 p.m.STL-YYZ
19h 50m1 stop
2:55 p.m. - 2:43 p.m.YYZ-STL
24h 48m1 stop
C$ 795
Find Deal
Sat, 25 Jan - Mon, 27 Jan
6:30 a.m. - 5:56 p.m.STL-YYZ
10h 26m2 stops
2:30 p.m. - 9:49 p.m.YYZ-STL
8h 19m2 stops
C$ 1,342Delta
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Sat, 25 Jan - Sat, 1 Feb
6:50 a.m. - 1:43 p.m.STL-YYZ
5h 53m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,378United Airlines
Find Deal
Sat, 25 Jan - Sat, 1 Feb
6:30 a.m. - 5:56 p.m.STL-YYZ
10h 26m2 stops
2:30 p.m. - 9:49 p.m.YYZ-STL
8h 19m2 stops
C$ 1,395Delta
Find Deal
Sat, 25 Jan - Mon, 27 Jan
11:24 a.m. - 6:11 p.m.STL-YYZ
5h 47m1 stop
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,563United Airlines
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Sat, 25 Jan - Mon, 27 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,749Air Canada
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Sat, 25 Jan - Sat, 1 Feb
5:44 a.m. - 12:30 p.m.STL-YYZ
5h 46m1 stop
4:05 p.m. - 10:09 p.m.YYZ-STL
7h 04m2 stops
C$ 1,811American Airlines
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Sun, 26 Jan - Sun, 26 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 2,124Air Canada
Find Deal
Wed, 22 Jan - Tue, 28 Jan
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 812Air Canada
Find Deal
Thu, 6 Mar - Thu, 13 Mar
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 923United Airlines
Find Deal
Tue, 18 Feb - Sat, 22 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,080Air Canada
Find Deal
Thu, 27 Feb - Wed, 5 Mar
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,087Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,098Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,159United Airlines
Find Deal
Tue, 18 Feb - Tue, 25 Feb
3:50 p.m. - 6:45 p.m.STL-YYZ
1h 55mdirect
1:50 p.m. - 3:06 p.m.YYZ-STL
2h 16mdirect
C$ 1,175United Airlines
Find Deal
Tue, 18 Feb - Tue, 25 Feb
4:05 p.m. - 7:00 p.m.STL-YYZ
1h 55mdirect
2:10 p.m. - 3:16 p.m.YYZ-STL
2h 06mdirect
C$ 1,199Air Canada
Find Deal
Sun, 20 Jul - Thu, 24 Jul
9:15 a.m. - 12:13 p.m.STL-YYZ
1h 58mdirect
6:30 p.m. - 7:40 p.m.YYZ-STL
2h 10mdirect
C$ 1,228
Find Deal
Sat, 28 Jun - Tue, 1 Jul
9:15 a.m. - 12:15 p.m.STL-YYZ
2h 00mdirect
2:10 p.m. - 3:16 p.m.YYZ-STL
2h 06mdirect
C$ 1,229Air Canada
Find Deal
Fri, 9 May - Mon, 12 May

WestJet flights from St. Louis to Toronto

Our best WestJet deals on St. Louis to Toronto flight tickets
WestJet
11 Feb
STL7:15 a.m.Lambert-St Louis
28h 22m
2 stops
YYZ12:37 p.m.Toronto Pearson Intl
13 Feb
YYZ7:55 a.m.Toronto Pearson Intl
14h 07m
1 stop
STL9:02 p.m.Lambert-St Louis
WestJet
28 Feb
STL10:22 a.m.Lambert-St Louis
18h 55m
2 stops
YYZ6:17 a.m.Toronto Pearson Intl
2 Mar
YYZ6:15 a.m.Toronto Pearson Intl
12h 46m
1 stop
STL6:01 p.m.Lambert-St Louis
WestJet
7 Mar
STL6:00 a.m.Lambert-St Louis
16h 30m
2 stops
YYZ11:30 p.m.Toronto Pearson Intl
14 Mar
YYZ10:20 a.m.Toronto Pearson Intl
3h 48m
1 stop
STL1:08 p.m.Lambert-St Louis
C$ 1,029
Find similar

Alaska Airlines flights from St. Louis to Toronto

Our best Alaska Airlines deals on St. Louis to Toronto flight tickets
Alaska Airlines
4 Mar
STL7:00 a.m.Lambert-St Louis
30h 55m
1 stop
YYZ2:55 p.m.Toronto Pearson Intl
11 Mar
YYZ4:20 p.m.Toronto Pearson Intl
32h 39m
1 stop
STL11:59 p.m.Lambert-St Louis
Alaska Airlines
1 Mar
STL3:21 p.m.Lambert-St Louis
22h 34m
1 stop
YYZ2:55 p.m.Toronto Pearson Intl
4 Mar
YYZ4:20 p.m.Toronto Pearson Intl
32h 39m
1 stop
STL11:59 p.m.Lambert-St Louis
Alaska Airlines
24 Feb
STL7:00 a.m.Lambert-St Louis
30h 55m
1 stop
YYZ2:55 p.m.Toronto Pearson Intl
27 Feb
YYZ4:20 p.m.Toronto Pearson Intl
32h 39m
1 stop
STL11:59 p.m.Lambert-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 typical price of a round-trip flight between St. Louis and Toronto?

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 C$ 310. The month of May is another great option to travel to Toronto, with average flight prices from St. Louis averaging around C$ 348.

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

According to our data, Monday is the cheapest day to fly to Toronto from St. Louis. The lowest ticket price found for a Monday departure recently was C$ 0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Toronto on a Sunday will generally be more expensive and average around C$ 966. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Toronto from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 0 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around C$ 891. Of course, these prices can vary depending on the time of year and what airport you fly to.

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?

You are more likely to see cheaper flights to Toronto from St. Louis when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around C$ 628 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from St. Louis for as low as C$ 360 on momondo.

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

There are 1 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.

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

As of January 2025, prices for St. Louis to Toronto flights are approximately 8% 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

C$ 225

Fastest flight time

1h 55m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Toronto

1 airport
The best one-way flight to Toronto from St. Louis in the past 72 hours is C$ 225. The best round-trip flight deal from St. Louis to Toronto found on momondo in the last 72 hours is C$ 432.
The fastest flight from St. Louis to Toronto takes 1h 55m
Direct flights go from St. Louis to Toronto on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. 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?

    There are 1062.1 km between Lambert-St Louis and Toronto. In terms of flight time, this usually takes a little over 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 were last updated today.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 necessary travel and health documents for your Toronto trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 C$ 371Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
  • Air Canada Flights From St. Louis to Toronto

    The lowest priced Air Canada flight from St. Louis to Toronto from the last 72 hours was C$ 258. Generally, Air Canada has 3 flights on this route every week with an average price of C$ 558. Air Canada is rated 7.0/10 by our users.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Toronto . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Toronto from St. Louis.

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

If you are simply researching potential flights to Toronto, momondo offers a useful price alert feature which will track prices for flights to Toronto from St. Louis and alert you when they change.


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Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 83.6 km from Toronto