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Cheap flights from Louisville to San Juan from $109

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 6/23. 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

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Find the cheapest flights from Louisville to San Juan

Cheap round-trip flights

Southwest Logo
3:30 pm - 11:00 pmSDF-SJU
6h 30m1 stop
Southwest Logo
6:10 am - 12:20 pmSJU-SDF
7h 10m1 stop
$220Southwest
Find Deal
sáb., nov. 8 - dom., nov. 9
Delta Logo
7:00 am - 1:23 pmSDF-SJU
6h 23m1 stop
Delta Logo
2:28 pm - 11:56 pmSJU-SDF
9h 28m1 stop
$225Delta
Find Deal
mié., sep. 17 - mié., sep. 24
Southwest Logo
5:30 am - 12:45 pmSDF-SJU
7h 15m1 stop
Southwest Logo
5:45 am - 12:30 pmSJU-SDF
6h 45m1 stop
$250Southwest
Find Deal
mié., oct. 1 - dom., oct. 5
Delta Logo
7:05 am - 1:29 pmSDF-SJU
6h 24m1 stop
Delta Logo
7:30 am - 4:48 pmSJU-SDF
9h 18m1 stop
$255Delta
Find Deal
lun., jul. 21 - jue., jul. 24
United Airlines Logo
6:15 am - 1:45 pmSDF-SJU
7h 30m1 stop
United Airlines Logo
1:30 pm - 11:30 pmSJU-SDF
10h 00m1 stop
$273United Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 18
Spirit Airlines Logo
2:50 pm - 11:32 amSDF-SJU
20h 42m1 stop
Spirit Airlines Logo
3:50 pm - 7:08 pmSJU-SDF
27h 18m1 stop
$280Spirit Airlines
Find Deal
vie., jul. 11 - mar., jul. 15
Spirit Airlines Logo
5:03 am - 7:19 pmSDF-SJU
14h 16m1 stop
Spirit Airlines Logo
1:37 am - 1:55 pmSJU-SDF
12h 18m1 stop
$281Spirit Airlines
Find Deal
mar., jul. 8 - dom., jul. 13
American Airlines Logo
5:18 pm - 11:11 amSDF-SJU
17h 53m2 stops
American Airlines Logo
4:42 pm - 9:24 amSJU-SDF
16h 42m2 stops
$290American Airlines
Find Deal
mié., sep. 17 - mié., sep. 24
American Airlines Logo
6:42 am - 4:20 pmSDF-SJU
9h 38m1 stop
American Airlines Logo
6:30 am - 4:55 pmSJU-SDF
10h 25m2 stops
$330American Airlines
Find Deal
jue., oct. 16 - mié., oct. 22
United Airlines Logo
11:10 am - 9:00 pmSDF-SJU
8h 50m1 stop
United Airlines Logo
2:05 am - 4:56 pmSJU-SDF
15h 51m2 stops
$360United Airlines
Find Deal
sáb., nov. 8 - vie., nov. 14

Southwest flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Louisville to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Nov 8
SDF3:30 pmLouisville Intl
6h 30m
1 stop
SJU11:00 pmSan Juan Luis Munoz Marin Intl
Nov 9
SJU6:10 amSan Juan Luis Munoz Marin Intl
7h 10m
1 stop
SDF12:20 pmLouisville Intl
Southwest
Oct 1
SDF5:30 amLouisville Intl
7h 15m
1 stop
SJU12:45 pmSan Juan Luis Munoz Marin Intl
Oct 5
SJU5:45 amSan Juan Luis Munoz Marin Intl
6h 45m
1 stop
SDF12:30 pmLouisville Intl
Southwest
Nov 8
SDF10:45 amLouisville Intl
11h 30m
1 stop
SJU11:15 pmSan Juan Luis Munoz Marin Intl
Nov 15
SJU6:15 amSan Juan Luis Munoz Marin Intl
7h 20m
1 stop
SDF12:35 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
Oct 11
SDF6:15 amLouisville Intl
7h 30m
1 stop
SJU1:45 pmSan Juan Luis Munoz Marin Intl
Oct 18
SJU1:30 pmSan Juan Luis Munoz Marin Intl
10h 00m
1 stop
SDF11:30 pmLouisville Intl
United Airlines
Nov 8
SDF11:10 amLouisville Intl
8h 50m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Nov 14
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 51m
2 stops
SDF4:56 pmLouisville Intl
United Airlines
Oct 4
SDF7:00 amLouisville Intl
7h 44m
1 stop
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Oct 11
SJU7:00 amSan Juan Luis Munoz Marin Intl
14h 54m
1 stop
SDF9:54 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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $387.

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 23 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $447 when searching 23 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 $360 on momondo.

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

As of June 2025, prices for Louisville to San Juan Luis Munoz Marin Intl Airport flights are approximately 2% cheaper 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

$109

Fastest flight time

6h 23m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Louisville in the past 72 hours is $109. 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 $220.
The fastest flight from Louisville to San Juan Luis Munoz Marin Intl Airport takes 6h 23m
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 6h 23m.

  • 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 $175Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
DeltaPriceFrom $254Free CancellationRating
8.0
7,946 reviews
Search Delta flights
American AirlinesPriceFrom $267Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,287 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
Caguas
Humacao
Rio Grande
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.


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1 adult
mar. 6/17
mar. 6/24

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