Cheap flights from Louisville to San Juan
✈️ Fares in October 2026 start from €107 — found by real travellers in the last 48 hours.
Compare all Louisville → San Juan flights
Cheapest day to fly in October 2026
| Date | From | Stops | |
|---|---|---|---|
| Thu 15 Oct | €107 | 2 stops | Book → |
Popular flights from Louisville
Flights to San Juan from other cities
Frequently asked questions
How much is a flight from Louisville to San Juan?
Cached market fares for October 2026 start from €107 one-way. Prices are found by real travellers in the last 48 hours and confirmed at checkout.
Which airlines fly from Louisville to San Juan?
Recent fares on this route are offered by AA and others. ScanFlyGo compares 1,200+ airlines and agencies.
What is the cheapest day to fly from Louisville to San Juan?
ScanFlyGo shows the cheapest fare for each day of October 2026 — check the price table above to pick the cheapest date, then book directly with the provider.
Is Louisville to San Juan a direct flight?
Both direct and connecting options may be available. Use the ScanFlyGo search to filter by stops, airline and time.
Can I track my Louisville to San Juan flight live?
Yes. ScanFlyGo has a built-in live flight tracker with a real-time map, so you can follow your aircraft on the day by flight number.
Does ScanFlyGo charge booking or service fees?
No. ScanFlyGo is a free flight metasearch — we compare fares and send you to the airline or agency to book. The price is confirmed at their checkout with no extra fee from us.
About Louisville to San Juan flights
ScanFlyGo compares Louisville (Louisville International Airport, SDF) to San Juan (Luis Munoz Marin International Airport, SJU) fares across 1,200+ airlines and agencies via the Aviasales network. The cheapest fare found for October 2026 is €107. Prices shown are the lowest cached market fares; the final price is always confirmed at the partner's checkout. You can also search the return route San Juan → Louisville, or use the full live search for exact dates, stops, airline filters and a live map to track your flight on the day.
Plan the rest of your trip to San Juan
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