Direct flights to St. Louis | Cheapflights

Find flight deals to St. Louis

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 3 July 2025.

Fri 15/82:15 p.m.YYZ - STL

Nonstop2h 06mAir Canada

Sun 17/89:15 a.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 3/7C$ 417

Sun 17/82:15 p.m.YYZ - STL

Nonstop2h 06mUnited Airlines

Sun 24/89:15 a.m.STL - YYZ

Nonstop2h 00mUnited Airlines

Deal found 3/7C$ 578

Sun 6/76:35 p.m.YYZ - STL

Nonstop2h 10mMultiple Airlines

Sat 2/84:00 p.m.STL - YYZ

Nonstop2h 00mMultiple Airlines

Deal found 2/7C$ 1,372

Best flights to St. Louis
Discover carefully curated flight deals to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 July 2025.

Fri 15/82:15 p.m.YYZ - STL

Nonstop2h 06mAir Canada

Sun 17/89:15 a.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 3/7C$ 417

Sun 17/82:15 p.m.YYZ - STL

Nonstop2h 06mUnited Airlines

Sun 24/89:15 a.m.STL - YYZ

Nonstop2h 00mUnited Airlines

Deal found 3/7C$ 578

Sun 6/76:35 p.m.YYZ - STL

Nonstop2h 10mMultiple Airlines

Sat 2/84:00 p.m.STL - YYZ

Nonstop2h 00mMultiple Airlines

Deal found 2/7C$ 1,372

Last-minute flights to St. Louis
Discover last-minute flight deals to St. Louis. Data last updated 3 July 2025 and is based on user searches.

Fri 11/72:10 p.m.YYZ - STL

Nonstop2h 06mMultiple Airlines

Mon 14/79:15 a.m.STL - YYZ

Nonstop2h 00mMultiple Airlines

Deal found 30/6C$ 1,398

Fri 11/72:10 p.m.YYZ - STL

Nonstop2h 06mUnited Airlines

Mon 14/74:00 p.m.STL - YYZ

Nonstop2h 00mUnited Airlines

Deal found 3/7C$ 1,468

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 filters below to find and compare direct flights to St. Louis that are best for you.

Fly from

Route

Depart

Return

Price

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 15/8

2:15 p.m.-3:21 p.m.

Nonstop2h 06m

Lambert-St Louis

Sun 17/8

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

Nonstop2h 00m

C$ 417

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sun 17/8

2:15 p.m.-3:21 p.m.

Nonstop2h 06m

Lambert-St Louis

Sun 24/8

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

Nonstop2h 00m

C$ 578

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 16/8

6:35 p.m.-7:45 p.m.

Nonstop2h 10m

C$ 266

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 4/8

2:15 p.m.-3:21 p.m.

Nonstop2h 06m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Reviews of airlines flying non-stop to St. Louis

Read through reviews of airlines serving the United States, such as Delta,United Airlines, andAmerican Airlines. 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.

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

8.0

Very good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

7.2

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

7.1

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Temperature and rainfall in St. Louis by month

STL

Temperature

0 - 27 °C

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

FAQ about direct flights to St. Louis

How much are direct flights to St. Louis?
On average, a one-way direct flight to St. Louis will cost users approximately C$ 489. If you're looking for a direct round-trip flight to St. Louis, you can expect to pay around C$ 887.
Which airlines fly direct to St. Louis?
At the moment, Air Canada, United Airlines, WestJet, Delta 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 03m), while the longest leaves from Montreal Pierre Elliott Trudeau Intl Airport (2h 47m).
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, May is worth consideration, as prices are usually at their lowest, on average. September 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$ 671.

See more FAQs

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