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C$ 335+ 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 3/7. 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
5 May — 12 May1
1 adult

Non-stop flights from St. Louis

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 30 April 2025.

Fri 13/67:30 a.m.STL - YYZ
Nonstop1h 55mAir Canada
Fri 20/611:30 a.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 29/4C$ 641
Sat 5/79:15 a.m.STL - YYZ
Nonstop1h 58mUnited Airlines
Fri 25/72:10 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 28/4C$ 688
Thu 25/94:05 p.m.STL - YYZ
Nonstop1h 55mMultiple Airlines
Sun 28/96:30 p.m.YYZ - STL
Nonstop2h 03mMultiple Airlines
Deal found 28/4C$ 709
Thu 29/51:30 p.m.STL - YUL
Nonstop2h 30mAir Canada
Mon 2/66:10 p.m.YUL - STL
Nonstop2h 48mAir Canada
Deal found 29/4C$ 843
Thu 29/51:30 p.m.STL - YUL
Nonstop2h 30mUnited Airlines
Thu 5/66:10 p.m.YUL - STL
Nonstop2h 48mUnited Airlines
Deal found 30/4C$ 897
Wed 11/61:30 p.m.STL - YUL
Nonstop2h 30mMultiple Airlines
Mon 16/66:10 p.m.YUL - STL
Nonstop2h 48mMultiple Airlines
Deal found 29/4C$ 2,318

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 30 April 2025.

Fly to

Pearson Intl

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 13/6

7:30 a.m.-10:25 a.m.

Nonstop1h 55m

Toronto Pearson Intl

Fri 20/6

11:30 a.m.-12:36 p.m.

Nonstop2h 06m

C$ 641

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 24/8

4:00 p.m.-7:00 p.m.

Nonstop2h 00m

Toronto Pearson Intl

Sun 14/9

6:30 p.m.-7:33 p.m.

Nonstop2h 03m

C$ 738

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 29/5

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:10 p.m.-7:58 p.m.

Nonstop2h 48m

C$ 843

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 29/5

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

6:10 p.m.-7:58 p.m.

Nonstop2h 48m

C$ 897

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 16/5

7:30 a.m.-10:25 a.m.

Nonstop1h 55m

Toronto Pearson Intl

Sun 18/5

11:30 a.m.-12:36 p.m.

Nonstop2h 06m

C$ 1,109

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 11/6

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

6:10 p.m.-7:58 p.m.

Nonstop2h 48m

C$ 2,318

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 3/7

9:15 a.m.-12:13 p.m.

Nonstop1h 58m

C$ 335

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 4/9

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

C$ 494

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 13/5

7:30 a.m.-10:25 a.m.

Nonstop1h 55m

C$ 520

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 6/5

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

C$ 950

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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.
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,242 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 30 April 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$ 809. If you're looking for a direct round-trip flight from St. Louis, you can expect to pay around C$ 776.

  • 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 2h 12m 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 (2h 30m).

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

See more FAQs

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