San Juan to Louisville flights

Routavio compares airline fares from several flight booking sites. Search San Juan to Louisville to see the lowest price before you book.

Find your dates. Discover your next journey.

Fare seen

€165Seen on 23 Sep 2026

Last checked

14 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €165

Lowest observed

15 Oct 2026

One way

Cheapest observed day · Last checked: 23 Sep 2026

When to fly

Explore dates

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.

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

Airlines seen: American Airlines, Southwest Airlines, United Airlines
Typical journey time: 6h 25m

Short answer

Routavio has seen American Airlines fares from San Juan to Louisville. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €165 on 23 Sep 2026.

About this route

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

Route distance: 2,909 km
Typical journey time: 6h 25m
Airlines seen: American Airlines, Southwest Airlines, United Airlines
Seen on fares with a connection: Southwest Airlines, American Airlines
Alternative airports: SIG

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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

Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 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.