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C$ 351+ 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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
23 Jul — 30 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 23 June 2026.

Mon 21/912:55 p.m.
YYZ
-
STL
Nonstop2h 05m
Air Canada
Sat 26/92:40 p.m.
STL
-
YYZ
Nonstop1h 54m
Air Canada
Deal found 22/6C$ 629
Wed 9/912:55 p.m.
YYZ
-
STL
Nonstop2h 05m
Air Canada
Tue 22/92:40 p.m.
STL
-
YYZ
Nonstop1h 54m
Air Canada
Deal found 19/6C$ 632
Thu 13/812:55 p.m.
YYZ
-
STL
Nonstop2h 09m
Air Canada
Tue 18/82:40 p.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 22/6C$ 652
Sat 4/712:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Mon 6/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 20/6C$ 653
Fri 14/812:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Tue 18/82:40 p.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 18/6C$ 656
Thu 9/712:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Sun 12/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 21/6C$ 657
Thu 16/77:15 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Tue 21/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 19/6C$ 662
Thu 9/712:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Mon 13/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 17/6C$ 665
Mon 31/87:15 p.m.
YYZ
-
STL
Nonstop2h 09m
Air Canada
Tue 1/98:55 a.m.
STL
-
YYZ
Nonstop2h 01m
Air Canada
Deal found 19/6C$ 670
Sat 22/812:55 p.m.
YYZ
-
STL
Nonstop2h 09m
Air Canada
Fri 28/88:55 a.m.
STL
-
YYZ
Nonstop2h 01m
Air Canada
Deal found 20/6C$ 672
Thu 27/812:55 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Thu 3/98:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 19/6C$ 673
Wed 15/77:15 p.m.
YYZ
-
STL
Nonstop2h 07m
Air Canada
Wed 22/78:55 a.m.
STL
-
YYZ
Nonstop1h 57m
Air Canada
Deal found 17/6C$ 676

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 23 June 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
Quickest round-trip

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 14/8

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

Nonstop2h 07m

Lambert-St Louis

Tue 18/8

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

Nonstop1h 57m

C$ 656

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 17/7

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

Nonstop2h 07m

Lambert-St Louis

Tue 21/7

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

Nonstop1h 57m

C$ 657

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 17/7

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

Nonstop2h 07m

Lambert-St Louis

Sun 19/7

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

Nonstop1h 57m

C$ 665

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 31/8

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

Nonstop2h 09m

Lambert-St Louis

Tue 1/9

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

Nonstop2h 01m

C$ 670

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 9/7

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

Nonstop2h 07m

Lambert-St Louis

Mon 13/7

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

Nonstop1h 57m

C$ 672

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 23/8

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

Nonstop2h 07m

Lambert-St Louis

Thu 27/8

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

Nonstop2h 01m

C$ 672

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 25/8

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

Nonstop2h 09m

Lambert-St Louis

Sat 29/8

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

Nonstop2h 01m

C$ 672

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 24/8

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

Nonstop2h 09m

Lambert-St Louis

Fri 28/8

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

Nonstop2h 01m

C$ 672

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Thu 27/8

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

Nonstop2h 07m

Lambert-St Louis

Thu 3/9

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

Nonstop1h 57m

C$ 673

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 4/7

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

Nonstop2h 07m

Lambert-St Louis

Mon 6/7

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

Nonstop1h 57m

C$ 788

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/6

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 23 June 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
9,875 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
9,875 reviews
United Airlines
7.4
Good
9,875 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
11,238 reviews
United Airlines
7.4
Good
9,875 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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$ 384. If you're looking for a direct round-trip flight to St. Louis, you can expect to pay around C$ 637.

  • 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 06m on average. The quickest direct flight to St. Louis at this time departs from Toronto Pearson Intl Airport (2h 06m), while the longest leaves from Toronto Pearson Intl Airport (2h 06m).

  • 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, January 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$ 511.

See more FAQs

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