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C$ 375+ Direct flights from St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YYZ
1 Aug — 8 Aug1
1 adult
1 adult, Economy, 0 bags

Find direct flights from St. Louis within your budget

 
Use the slider to find direct flights from St. Louis within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches. This data was last updated on 2 July 2026.

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 14/8

8:55 a.m.-11:56 a.m.

Nonstop2h 01m

Toronto Pearson Intl

Fri 21/8

7:15 p.m.-8:24 p.m.

Nonstop2h 09m

C$ 739
Quickest round-trip

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 3/10

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

Toronto Pearson Intl

Wed 7/10

12:55 p.m.-2:00 p.m.

Nonstop2h 05m

C$ 824

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 22/9

2:40 p.m.-5:34 p.m.

Nonstop1h 54m

Toronto Pearson Intl

Wed 23/9

7:15 p.m.-8:20 p.m.

Nonstop2h 05m

C$ 824

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 16/9

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

Toronto Pearson Intl

Sat 19/9

12:55 p.m.-2:00 p.m.

Nonstop2h 05m

C$ 824

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 29/9

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

Toronto Pearson Intl

Tue 6/10

12:55 p.m.-2:00 p.m.

Nonstop2h 05m

C$ 824

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 14/10

2:40 p.m.-5:34 p.m.

Nonstop1h 54m

Toronto Pearson Intl

Fri 23/10

6:55 p.m.-8:00 p.m.

Nonstop2h 05m

C$ 824

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 21/8

2:40 p.m.-5:37 p.m.

Nonstop1h 57m

Toronto Pearson Intl

Sun 23/8

12:55 p.m.-2:02 p.m.

Nonstop2h 07m

C$ 864

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 13/8

8:55 a.m.-11:56 a.m.

Nonstop2h 01m

Toronto Pearson Intl

Tue 18/8

7:15 p.m.-8:24 p.m.

Nonstop2h 09m

C$ 864

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 21/8

2:40 p.m.-5:37 p.m.

Nonstop1h 57m

Toronto Pearson Intl

Sat 29/8

12:55 p.m.-2:04 p.m.

Nonstop2h 09m

C$ 864

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 25/8

12:10 p.m.-3:42 p.m.

Nonstop2h 32m

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

4:55 p.m.-6:42 p.m.

Nonstop2h 47m

C$ 920

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines flying non-stop to St. Louis

Get insights into the airlines that provide direct flights from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from St. Louis. Reviews last updated Cheapflights.
Read through reviews of airlines serving St. Louis, such as Air Canada. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,286 reviews
Check prices

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
11,286 reviews
Air Canada
7.1
Good
11,286 reviews
Check prices

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 July 2026.

  • Where can you fly direct from St. Louis?

    Currently, the most popular direct flight destination from St. Louis is Toronto Pearson Intl Airport.

  • How much are direct flights from St. Louis?

    On average, a one-way direct flight from St. Louis will cost users approximately C$ 363. If you're looking for a direct round-trip flight from St. Louis, you can expect to pay around C$ 618.

  • How long is a direct flight from St. Louis?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from St. Louis to last approximately 1h 54m on average. The quickest direct flight from St. Louis at this time departs from St. Louis (1h 54m), while the longest leaves from St. Louis (1h 54m).

  • What is the best time of year to fly direct from St. Louis?

    If you're seeking the lowest price on a direct flight from St. Louis, February is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, September offers travelers the most options.

See more FAQs

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