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C$ 309+ Direct flights to St. Louis

This is the cheapest price on a non-stop flight to St. Louis found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 30 May 2026.

Wed 10/611:00 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Tue 23/62:15 p.m.
STL
-
YYZ
Nonstop1h 51m
Air Canada
Deal found 26/5C$ 527
Tue 23/611:15 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Tue 30/68:40 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 26/5C$ 535
Tue 21/712:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Mon 27/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 28/5C$ 544
Fri 12/611:00 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Sun 14/68:40 a.m.
STL
-
YYZ
Nonstop1h 58m
Air Canada
Deal found 27/5C$ 600
Sat 6/611:00 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Wed 10/68:40 a.m.
STL
-
YYZ
Nonstop1h 58m
Air Canada
Deal found 27/5C$ 601
Fri 5/611:00 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Tue 14/72:40 p.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 26/5C$ 610
Wed 24/611:15 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Mon 6/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 27/5C$ 611
Fri 19/611:15 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Sun 21/68:40 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 25/5C$ 617
Thu 11/611:00 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Tue 16/62:15 p.m.
STL
-
YYZ
Nonstop1h 51m
Air Canada
Deal found 27/5C$ 618
Fri 26/611:15 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Mon 6/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 27/5C$ 622
Sun 28/611:15 a.m.
YYZ
-
STL
Nonstop2h 06m
Air Canada
Wed 1/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 25/5C$ 637
Sat 4/712:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Thu 3/98:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 26/5C$ 639

Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to 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 and data was last updated on 30 May 2026.
Use the filters below to find and compare direct flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 21/7

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

Nonstop2h 07m

Lambert-St Louis

Mon 27/7

8:55 a.m.-11:52 a.m.

Nonstop1h 57m

C$ 544

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 6/10

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

Nonstop2h 05m

Lambert-St Louis

Thu 8/10

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

Nonstop1h 54m

C$ 544
Quickest round-trip

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 25/6

11:15 a.m.-12:21 p.m.

Nonstop2h 06m

Lambert-St Louis

Tue 30/6

2:15 p.m.-5:06 p.m.

Nonstop1h 51m

C$ 611

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 24/6

11:15 a.m.-12:21 p.m.

Nonstop2h 06m

Lambert-St Louis

Mon 29/6

2:15 p.m.-5:06 p.m.

Nonstop1h 51m

C$ 611

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 11/6

11:00 a.m.-12:06 p.m.

Nonstop2h 06m

Lambert-St Louis

Wed 17/6

2:15 p.m.-5:06 p.m.

Nonstop1h 51m

C$ 618

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 4/9

7:00 p.m.-8:07 p.m.

Nonstop2h 07m

Lambert-St Louis

Fri 18/9

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

Nonstop1h 54m

C$ 622

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 29/9

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

Nonstop2h 05m

Lambert-St Louis

Thu 1/10

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

Nonstop1h 54m

C$ 637

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 23/9

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

Nonstop2h 05m

Lambert-St Louis

Sat 26/9

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

Nonstop1h 54m

C$ 637

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 9/6

7:00 p.m.-8:09 p.m.

Nonstop2h 09m

Lambert-St Louis

Wed 17/6

8:40 a.m.-11:38 a.m.

Nonstop1h 58m

C$ 709

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 23/7

7:15 p.m.-8:22 p.m.

Nonstop2h 07m

Lambert-St Louis

Mon 27/7

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

Nonstop1h 57m

C$ 728

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/5

Showing 1-10 of 22 resultsSorted by cheapest first
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Reviews of airlines flying non-stop to St. Louis

Get insights into the airlines that provide direct flights to 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 to St. Louis. Reviews last updated 30 May 2026.
Read through reviews of airlines serving the United States, such as United Airlines and 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.
United Airlines
7.4
Good
9,766 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,766 reviews
United Airlines
7.4
Good
9,766 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Air Canada
7.1
Good
11,105 reviews
United Airlines
7.4
Good
9,766 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

FAQ about direct flights to St. Louis

Find answers to frequently asked questions about direct flights to St. Louis to unlock the best deals on Cheapflights.

  • How much are direct flights to St. Louis?

    On average, a one-way direct flight to St. Louis will cost users approximately C$ 326. If you're looking for a direct round-trip flight to St. Louis, you can expect to pay around C$ 633.

  • Which airlines fly direct to St. Louis?

    At the moment, Air Canada, United Airlines offer direct flights to St. Louis. Air Canada is currently the most popular airline that flies direct to St. Louis.

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

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to St. Louis to last approximately 2h 25m on average. The quickest direct flight to St. Louis at this time departs from Toronto Pearson Intl Airport (2h 05m), while the longest leaves from Montreal Pierre Elliott Trudeau Intl Airport (2h 46m).

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

    If you're seeking the lowest price on a direct flight to St. Louis, June is worth consideration, as prices are usually at their lowest, on average. April may be most appealing to users looking for the quietest time to visit St. Louis, when demand is typically at its lowest.

  • What is the most popular direct flight origin to St. Louis?

    Currently, the most popular direct flight origin to St. Louis is Toronto Pearson Intl Airport. A round-trip direct flight from Toronto Pearson Intl Airport to St. Louis typically costs around C$ 484.

See more FAQs

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