179 € Cheap Flights from Louisville Muhammad Ali International to San Juan

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Flight deals from Louisville Muhammad Ali International to San Juan

Looking for a cheap last-minute deal or the best return flight from Louisville Muhammad Ali International to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Louisville Muhammad Ali International to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Louisville Muhammad Ali International to San Juan flights are currently cheapest in October.

Alternative Louisville Muhammad Ali International to San Juan routes

Looking for the cheapest, fastest or easiest route from Louisville Muhammad Ali International to San Juan? You could fly into the following airports instead.

Louisville to San Juan: Flight information

The things to know before you go.
Cheapest flight found179 €
Cheapest month to flyOctober

Finding cheap flights from Louisville Muhammad Ali International to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Louisville Muhammad Ali International to San Juan is 179 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Louisville Muhammad Ali International to San Juan. But we found flights with one or more stops from 179 €.
As of August 2025, there are no flights flying from Louisville Muhammad Ali International to San Juan.
The cheapest month to fly from Louisville Muhammad Ali International to San Juan is usually October.
If you're flying from Louisville Muhammad Ali International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from 179 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Louisville Muhammad Ali International Airport to San Juan on Friday, 3 October 2025.
No airlines currently offer direct flights between Louisville Muhammad Ali International Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Southwest Airlines offers the cheapest flight tickets to San Juan.

Travelling from Louisville International Airport-Standiford Field (SDF) to San Juan: what you need to know

  • Louisville (the location of Louisville International Airport-Standiford Field) and San Juan follow the same timezone — UTC-4.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your SDF to San Juan flight.

  • Longer lines at check-in and security are likely if you're travelling during high season, so give yourself even more breathing space. A good rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Stopovers are the ideal opportunity to break up your trip and possibly even explore another city. When searching for plane tickets from SDF to San Juan, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Miami International Airport (MIA)

  • Located around 14 kilometres from central Louisville, SDF can be reached in about 25 minutes by car (depending on traffic). The journey on public transport will take roughly 2 hours 40 minutes.

  • Want a leisurely start to your journey? Stay near SDF. Whether you have an early flight from Louisville International Airport-Standiford Field to San Juan or want to avoid feeling rushed, these hotels have you covered:

  • Of all flights leaving Louisville International Airport-Standiford Field, 77.69% arrive as scheduled at their destination.

  • SDF is located at 600 Terminal Drive.

How to find the cheapest flights from Louisville International Airport-Standiford Field (SDF) to San Juan

  • 89 € is currently the lowest price for a one-way Louisville International Airport-Standiford Field to San Juan flight. A return plane ticket starts from 179 €. These prices may change depending on availability and demand.

  • Don't leave things to the last minute. You're more likely to pick up cheap flights from SDF to San Juan if you book in advance. Airlines often offer some great early bird deals.

  • If you're flexible with your travel dates, try using the 'Whole month' tool. It'll give you the cheapest price across each month when searching for a Louisville International Airport-Standiford Field to San Juan ticket.

  • Never miss a deal on cheap flights from SDF to San Juan by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Find an affordable flight from Louisville International Airport-Standiford Field to San Juan with the help of our filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is around 8 kilometres from central San Juan. If you're getting a cab or a ride-share, the drive takes about 10 minutes.

  • It typically takes 55 minutes if you're travelling on public transport.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Louisville International Airport-Standiford Field to San Juan. Reserve one of these accommodation options near SJU instead:

  • Go wherever you want, whenever you want with a Luis Munoz Marin International Airport rental car. Pick up a set of wheels from Sixt, Ace Rent a Car or U-Save and see more of San Juan and beyond.

  • Lock in the lowest price by booking your vehicle from Luis Munoz Marin International Airport about two weeks in advance of your flight from SDF to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • After your flight from Louisville International Airport-Standiford Field to San Juan has landed, you can reach the city centre in around 15 minutes by car. Central San Juan is roughly 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • You can expect the journey to take roughly 1 hour on public transport.

  • You'll find some great places to call home for the night near SIG. Kick back and get cosy after your SDF to San Juan flight at any of these well-located options:

Best time to go to San Juan

  • Before locking in your flights from Louisville International Airport-Standiford Field to San Juan, consider which time of year is best for you. High season in San Juan offers a lively atmosphere and plenty to do, while the off-season means you'll get better hotel deals and fewer crowds.

  • Book a Louisville International Airport-Standiford Field to San Juan plane ticket with a departure in September if you want to experience the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 33ºC (91ºF).

  • For cooler conditions, search for a cheap ticket from SDF to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • After booking your flight from Louisville International Airport-Standiford Field to San Juan, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring San Juan:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just the start of the major attractions to put on your San Juan must-do list. Keep the momentum going by heading to Fortaleza Street.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be discovered after you've experienced San Juan. Around 113 kilometres away to the west, its top attractions include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. No visit is complete without checking out Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.