Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Louisville to San Juan

Cheap round-trip flights

These are some of the best round-trip flight deals from Louisville to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.
Delta Logo
12:40 pm - 10:08 pmSDF-SJU
9h 28m1 stop
Delta Logo
5:19 pm - 11:56 pmSJU-SDF
6h 37m1 stop
$225Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
8:28 pm - 10:50 amSDF-SJU
14h 22m1 stop
American Airlines Logo
3:50 pm - 11:50 pmSJU-SDF
8h 00m1 stop
$255American Airlines
Find Deal
Mon, Oct 13 - Tue, Oct 28
Spirit Airlines Logo
12:07 pm - 11:31 amSDF-SJU
23h 24m1 stop
Spirit Airlines Logo
10:38 am - 10:18 amSJU-SDF
23h 40m2 stops
$279Spirit Airlines
Find Deal
Fri, May 30 - Wed, Jun 4
Delta Logo
6:00 am - 1:16 pmSDF-SJU
7h 16m1 stop
Delta Logo
5:43 pm - 12:05 amSJU-SDF
6h 22m1 stop
$285Delta
Find Deal
Sat, May 17 - Sat, May 24
American Airlines Logo
6:52 am - 8:10 pmSDF-SJU
13h 18m2 stops
American Airlines Logo
1:55 pm - 9:41 pmSJU-SDF
7h 46m2 stops
$295American Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
6:00 am - 12:34 pmSDF-SJU
6h 34m1 stop
United Airlines Logo
1:05 am - 1:19 pmSJU-SDF
12h 14m2 stops
$300United Airlines
Find Deal
Fri, May 30 - Tue, Jun 3
Spirit Airlines Logo
2:07 pm - 7:07 pmSDF-SJU
29h 00m2 stops
Spirit Airlines Logo
10:38 am - 10:18 amSJU-SDF
23h 40m2 stops
$304Spirit Airlines
Find Deal
Fri, May 30 - Wed, Jun 4
United Airlines Logo
9:00 am - 8:38 pmSDF-SJU
11h 38m2 stops
United Airlines Logo
1:05 am - 8:00 pmSJU-SDF
18h 55m2 stops
$396United Airlines
Find Deal
Tue, Sep 16 - Mon, Sep 22
Southwest Logo
6:25 am - 4:15 pmSDF-SJU
9h 50m2 stops
Southwest Logo
5:30 pm - 12:15 amSJU-SDF
6h 45m1 stop
$500Southwest
Find Deal
Sat, Jun 14 - Thu, Jun 19
Southwest Logo
5:40 pm - 12:30 amSDF-SJU
6h 50m1 stop
Southwest Logo
5:30 am - 12:25 pmSJU-SDF
6h 55m1 stop
$515Southwest
Find Deal
Fri, Jun 6 - Mon, Jun 9

American Airlines flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Louisville to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Oct 13
SDF8:28 pmLouisville Intl
14h 22m
1 stop
SJU10:50 amSan Juan Luis Munoz Marin Intl
Oct 28
SJU3:50 pmSan Juan Luis Munoz Marin Intl
8h 00m
1 stop
SDF11:50 pmLouisville Intl
American Airlines
May 9
SDF6:15 amLouisville Intl
14h 18m
1 stop
SJU8:33 pmSan Juan Luis Munoz Marin Intl
May 12
SJU2:50 pmSan Juan Luis Munoz Marin Intl
8h 11m
1 stop
SDF11:01 pmLouisville Intl
American Airlines
Sep 16
SDF6:52 amLouisville Intl
13h 18m
2 stops
SJU8:10 pmSan Juan Luis Munoz Marin Intl
Sep 23
SJU1:55 pmSan Juan Luis Munoz Marin Intl
7h 46m
2 stops
SDF9:41 pmLouisville Intl

United Airlines flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Louisville to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
May 30
SDF6:00 amLouisville Intl
6h 34m
1 stop
SJU12:34 pmSan Juan Luis Munoz Marin Intl
Jun 3
SJU1:05 amSan Juan Luis Munoz Marin Intl
12h 14m
2 stops
SDF1:19 pmLouisville Intl
United Airlines
Sep 16
SDF9:00 amLouisville Intl
11h 38m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU1:05 amSan Juan Luis Munoz Marin Intl
18h 55m
2 stops
SDF8:00 pmLouisville Intl
United Airlines
Oct 13
SDF5:52 pmLouisville Intl
26h 46m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU1:05 amSan Juan Luis Munoz Marin Intl
15h 44m
2 stops
SDF4:49 pmLouisville Intl

See travel insights to San Juan from

How to get the cheapest flight ticket from Louisville to San Juan Luis Munoz Marin Intl Airport

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 Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $374.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Louisville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $372. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $459.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $339. Flights in the afternoon are often more expensive with an average ticket price of $441.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Louisville when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $438 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Louisville for as low as $379 on momondo.

How have Louisville to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of April 2025, prices for Louisville to San Juan Luis Munoz Marin Intl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to San Juan Luis Munoz Marin Intl Airport (SDF to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$113

Fastest flight time

5h 44m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Louisville in the past 72 hours is $113. The best round-trip flight deal from Louisville to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $225.
The fastest flight from Louisville to San Juan Luis Munoz Marin Intl Airport takes 5h 44m
There are no direct flights from Louisville to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Louisville Intl Airport - San Juan Luis Munoz Marin Intl Airport.

  • How far is Louisville Intl to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 1811.4 mi away from Louisville Intl. A reasonable flight in good conditions will take 5h 44m.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to San Juan Luis Munoz Marin Intl Airport?


Best airlines flying from Louisville to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Louisville to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $179Free CancellationRating
6.3
7,963 reviews
Search Spirit Airlines flights
DeltaPriceFrom $254Free CancellationRating
8.0
7,934 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,294 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to San Juan?

Finding the right flight to San Juan from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Louisville to San Juan with flexible booking policies on momondo?

All flight searches from Louisville to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/5
Mon 5/12

Find better results for your trip to San Juan