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C$ 295+ 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 7/1. 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
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Non-stop flights from St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 24 November 2025.

Wed 7/14:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Wed 14/12:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 23/11C$ 565
Sat 14/24:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Sat 21/22:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 22/11C$ 660
Thu 29/14:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Tue 3/22:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 23/11C$ 711
Sun 29/34:05 p.m.STL - YYZ
Nonstop1h 57mAir Canada
Sun 5/42:10 p.m.YYZ - STL
Nonstop2h 14mAir Canada
Deal found 23/11C$ 790
Thu 23/44:05 p.m.STL - YYZ
Nonstop1h 57mAir Canada
Sun 26/42:10 p.m.YYZ - STL
Nonstop2h 14mAir Canada
Deal found 23/11C$ 921
Mon 22/124:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Mon 29/122:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 24/11C$ 1,046
Mon 8/124:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Wed 10/122:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 21/11C$ 1,129
Sat 3/14:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Thu 8/12:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 23/11C$ 1,282
Fri 22/51:30 p.m.STL - YUL
Nonstop2h 35mAir Canada
Mon 25/54:30 p.m.YUL - STL
Nonstop2h 55mAir Canada
Deal found 23/11C$ 1,327
Wed 31/124:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Sun 4/12:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 22/11C$ 1,372
Mon 15/124:05 p.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Thu 18/122:00 p.m.YYZ - STL
Nonstop2h 29mUnited Airlines
Deal found 22/11C$ 1,375
Sun 21/124:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Sun 28/122:00 p.m.YYZ - STL
Nonstop2h 29mAir Canada
Deal found 23/11C$ 1,404

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 24 November 2025.

Fly to

Pearson Intl

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 7/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Wed 14/1

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 565

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 8/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Thu 15/1

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 14/2

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Sat 21/2

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 16/2

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Fri 27/2

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 16/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Sun 18/1

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 27/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Thu 29/1

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 27/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Wed 28/1

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 660

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 29/1

4:05 p.m.-7:06 p.m.

Nonstop2h 01m

Toronto Pearson Intl

Tue 3/2

2:00 p.m.-3:29 p.m.

Nonstop2h 29m

C$ 711

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 29/3

4:05 p.m.-7:02 p.m.

Nonstop1h 57m

Toronto Pearson Intl

Sun 5/4

2:10 p.m.-3:24 p.m.

Nonstop2h 14m

C$ 790

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 22/5

1:30 p.m.-5:05 p.m.

Nonstop2h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

4:30 p.m.-6:25 p.m.

Nonstop2h 55m

C$ 1,327

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/11

Showing 1-10 of 22 results
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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
10,469 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

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
10,469 reviews
Air Canada
7.1
Good
10,469 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

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 24 November 2025.

  • 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$ 484. If you're looking for a direct round-trip flight from St. Louis, you can expect to pay around C$ 594.

  • 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 55m on average. The quickest direct flight from St. Louis at this time departs from St. Louis (1h 55m), while the longest leaves from St. Louis (1h 55m).

  • 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, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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