Cheap flights from Louisville to San Juan from $113
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Juan departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Louisville to San Juan
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Juan?
If you’re not able to fly to San Juan in January, then October is your next best option. Flight prices from Louisville to San Juan during October average around $387.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Louisville to San Juan is on a Tuesday when prices can be found for as low as $372. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $459.
What is the cheapest time of day to depart on your flight to San Juan?
The cheapest time of day to fly to San Juan is in the evening when flights can be purchased for as low as $339. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $441 on average. Flights to San Juan from Louisville in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Louisville when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $447 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Louisville for as low as $384 on momondo.
What is the cheapest airline that flies from Louisville Intl to San Juan?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Louisville Intl to San Juan
What airlines fly to San Juan?
American Airlines, Delta and Frontier are the top three most popular airlines that fly to San Juan from Louisville according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 6 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
Cheap Louisville to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to San Juan
How far is Louisville Intl to San Juan by plane?
San Juan is 1805.8 mi away from Louisville Intl. Typically, this will take 5h 44m by plane in normal conditions.
When did momondo last update prices for flights from Louisville Intl Airport to San Juan?
Prices for flights from Louisville Intl Airport to San Juan are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to San Juan?
There are 5 operators available for flights from Louisville Intl Airport to San Juan as of June 2025.
How old do you have to be to fly from Louisville Intl Airport to San Juan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Louisville to San Juan
Compare and see reviews for airlines that fly from Louisville to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $152 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 8.0 4,278 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Louisville to San Juan?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to San Juan for you.
Can I find flights from Louisville to San Juan with flexible booking policies on momondo?
Yes. All flights to San Juan from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Louisville to San Juan?
Once you have performed a search for Louisville to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Louisville to San Juan right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Louisville to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.