Toronto to St Louis flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Toronto to St Louis is €333 (checked on 29 Oct 2026).

See the fare calendar

Lowest observed
€333
Cheapest month
November 2026
Last checked
30 Oct 2026
Observed fares. Prices may change.

More dates worth a look

Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search
Lowest observed
€333, departing 6 Nov 2026 (Last checked: 29 Oct 2026)One-way fareCheck live prices for this route
Airlines seen
Air Canada, Air Transat, Flair Airlines, Frontier Airlines, Porter Airlines Canada, Southern Airways Express, United Airlines, WestJet (8)
Reported fastest flight
2h 13m
Non-stop
Yes

Toronto → St LouisFri 6 Nov 2026 · €333Last checked: 29 Oct 2026

About this route

Explore the fares we observed from Toronto to St Louis. Prices move often, so pick your dates to see the latest options.

Route distance
1,063 km
Reported fastest flight
2h 13m
Alternative airports
YHM, YTZ, SUS

Route-level information; individual journeys vary.
Published schedules report non-stop service with Air Canada. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
Confirm with the provider
The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for Toronto → St Louis

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

  • Billy Bishop Toronto City Airport (YTZ) → Toronto, city gazetteer reference point (43.6535, -79.3839): ≈ 3 km.
  • Toronto Pearson International Airport (YYZ) → Toronto, city gazetteer reference point (43.6535, -79.3839): ≈ 20 km.
  • St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Toronto to St Louis?

The lowest fare Routavio has observed is €333, found on 29 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Toronto to St Louis?

In our observations November 2026 is the cheapest month so far, at €333.

Are there direct flights from Toronto to St Louis?

Yes. Published schedules report non-stop flights on this route with Air Canada.

Which airlines fly from Toronto to St Louis?

Routavio has seen these carriers on the route: Air Canada, Air Transat, Flair Airlines, Frontier Airlines, Porter Airlines Canada, Southern Airways Express, United Airlines, WestJet (8).

How long does the flight from Toronto to St Louis take?

Across the 73 fares Routavio observed, the average journey time is 18h 24m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Toronto to St Louis fares were non-stop?

3 of the 75 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

Keep exploring

Similar routes

Non-stop airlines on this route

More routes from Toronto

Show all 36 routes →

More routes to St Louis

Show all 30 routes →

Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 30 Oct 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.