St Louis to Louisville flights

Find your dates. Discover your next journey.

Fare seen

€331Seen on 18 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €98

Lowest observed

2 Dec 2026

Frontier Airlines · 2 stops · One way

Cheapest observed day · Last checked: 18 Sep 2026

Departure

12:02

When to fly

Explore dates

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.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: Air Canada, Allegiant Air, Breeze Airways, Frontier Airlines, JetBlue, Southern Airways Express +1 more
Typical journey time: 6h 44m
Non-stop: Yes

Short answer

We have seen Air Canada fares from St Louis to Louisville. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €331 on 18 Sep 2026.

About this route

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

Route distance: 389 km
Typical journey time: 6h 44m
Airlines seen: Air Canada, Allegiant Air, Breeze Airways, Frontier Airlines, JetBlue, Southern Airways Express +1 more
Alternative airports: SUS

Route-level information; individual journeys vary.
Published schedules report non-stop service with Southwest Airlines. 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

Airport to city: straight-line distance

St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Louisville Muhammad Ali International Airport (SDF) → Louisville, city gazetteer reference point (38.2527, -85.7585): ≈ 9 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 was a flight from St Louis to Louisville?

A fare of €331 was seen on 18 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from St Louis to Louisville?

Yes. We have seen non-stop flights on this route, flown by Southwest Airlines.

Which airlines fly from St Louis to Louisville?

These are the carriers we have seen on the route: Air Canada, Allegiant Air, Breeze Airways, Frontier Airlines, JetBlue, Southern Airways Express +1 more.

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

The average journey time across the 80 fares we observed is 18h 31m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide