What is the cheapest airline that flies from Puerto Rico to Kentucky?

Delta, United Airlines, and Southwest are the most popular carriers operating from Puerto Rico to Kentucky

What airlines fly to Kentucky?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Kentucky from Puerto Rico according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 3 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Puerto Rico to Kentucky?

Prices for flights from Puerto Rico to Kentucky were last updated today.

How many operators does momondo search for flights from Puerto Rico to Kentucky?

The number of operators available for flights from Puerto Rico to Kentucky is 3 as of October 2026.

How old do you have to be to fly from Puerto Rico to Kentucky?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The travel and health documents you'll need for your trip to Kentucky 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 Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$123 Cheap Flights from Puerto Rico to Kentucky in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Puerto Rico to Kentucky

Round-trip

One-way

Last minute

Recent round-trip flight deals from Puerto Rico to Kentucky

Enter your travel dates to find the best prices.

6:11 pm - 9:29 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

27h 18m1 stop Tampa

9:09 pm - 11:59 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

25h 50m1 stop Tampa

$263Multiple Airlines

Sat, Oct 31 - Sun, Nov 8

9:50 pm - 4:32 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

19h 42m2 stops Philadelphia Raleigh-Durham

5:12 pm - 11:08 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

28h 56m1 stop Raleigh-Durham

$281Multiple Airlines

Tue, Dec 1 - Sat, Dec 5

6:11 pm - 9:29 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

27h 18m1 stop Tampa

4:06 pm - 11:45 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

18h 39m2 stops Raleigh-Durham Tampa

$286Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

1:18 pm - 10:34 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

10h 16m2 stops Miami Philadelphia

6:00 am - 6:03 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

11h 03m2 stops Washington, D.C. Reagan-National Miami

$396American Airlines

Thu, Dec 3 - Sun, Dec 6

6:00 am - 3:27 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 27m1 stop Dallas/Fort Worth

10:13 am - 9:13 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

10h 00m2 stops Chicago O'Hare Intl Charlotte Douglas

$396American Airlines

Sat, Oct 31 - Sat, Nov 7

5:35 am - 11:30 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

6h 55m1 stop Orlando

12:55 pm - 12:50 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

10h 55m1 stop Orlando

$396Southwest

Fri, Nov 27 - Tue, Dec 1

5:35 am - 11:30 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

6h 55m1 stop Orlando

2:05 pm - 12:50 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 45m2 stops Chicago Midway Orlando

$396Southwest

Fri, Nov 27 - Tue, Dec 1

7:30 am - 7:36 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

12h 06m2 stops Philadelphia Charlotte Douglas

11:08 am - 9:13 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 05m2 stops Philadelphia Charlotte Douglas

$396American Airlines

Sat, Oct 31 - Sat, Nov 7

7:00 am - 5:00 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

11h 00m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

6:00 am - 4:56 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 56m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$3,637Delta

Tue, Nov 17 - Sun, Nov 29

7:00 am - 5:00 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

11h 00m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

10:49 am - 11:54 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

12h 05m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$3,637Delta

Tue, Nov 17 - Sun, Nov 29

Recent last minute flight deals from Puerto Rico to Kentucky

Enter your travel dates to find the best prices.

4:39 pm - 8:29 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

27h 50m1 stop Tampa

7:08 pm - 3:17 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

20h 09m1 stop Fort Lauderdale

$455Multiple Airlines

Wed, Oct 21 - Mon, Oct 26

5:11 pm - 8:29 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

27h 18m2 stops Atlanta Hartsfield-Jackson Tampa

7:08 pm - 3:17 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

20h 09m1 stop Fort Lauderdale

$456Multiple Airlines

Wed, Oct 21 - Mon, Oct 26

10:36 am - 11:39 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

13h 03m1 stop Miami

5:04 am - 1:28 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

8h 24m2 stops Charlotte Douglas Miami

$536American Airlines

Wed, Oct 21 - Sun, Oct 25

4:29 pm - 11:39 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

7h 10m1 stop Miami

7:15 am - 10:57 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

15h 42m1 stop Philadelphia

$536American Airlines

Wed, Oct 21 - Sun, Oct 25

6:35 am - 4:30 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 55m2 stops Orlando Baltimore/Washington

6:15 pm - 1:25 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

7h 10m2 stops Nashville Intl Orlando

$536Southwest

Wed, Oct 21 - Mon, Oct 26

12:41 pm - 12:07 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

11h 26m1 stop Charlotte Douglas

8:34 am - 3:01 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

6h 27m1 stop Charlotte Douglas

$536American Airlines

Wed, Oct 21 - Sun, Oct 25

12:50 pm - 10:37 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 47m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:40 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

5h 40m1 stop Atlanta Hartsfield-Jackson

$628Delta

Fri, Oct 16 - Sun, Oct 18

12:50 pm - 10:37 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 47m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:40 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

5h 40m1 stop Atlanta Hartsfield-Jackson

$648Delta

Fri, Oct 16 - Sun, Oct 18

7:00 am - 8:31 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

13h 31m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

7:00 am - 8:38 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

13h 38m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$808United Airlines

Fri, Oct 16 - Sun, Oct 18

1:25 pm - 11:59 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

10h 34m2 stops Newark Chicago O'Hare Intl

7:00 am - 8:38 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

13h 38m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$833United Airlines

Fri, Oct 16 - Sun, Oct 18

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American Airlines flights from Puerto Rico to Kentucky

Our best American Airlines deals on Puerto Rico to Kentucky flight tickets

American Airlines

Feb 23

SJU6:29 pmSan Juan Luis Munoz Marin Intl

15h 23m

1 stop

LEX8:52 amLexington Blue Grass

Feb 27

LEX11:11 amLexington Blue Grass

13h 36m

1 stop

SJU1:47 amSan Juan Luis Munoz Marin Intl

$406

American Airlines

Nov 17

SJU11:35 amSan Juan Luis Munoz Marin Intl

11h 11m

2 stops

SDF9:46 pmLouisville Intl

Nov 29

SDF7:26 pmLouisville Intl

13h 12m

1 stop

SJU9:38 amSan Juan Luis Munoz Marin Intl

$411

American Airlines

Nov 17

SJU11:35 amSan Juan Luis Munoz Marin Intl

11h 11m

2 stops

SDF9:46 pmLouisville Intl

Nov 29

SDF7:26 pmLouisville Intl

13h 12m

1 stop

SJU9:38 amSan Juan Luis Munoz Marin Intl

$412

Southwest flights from Puerto Rico to Kentucky

Our best Southwest deals on Puerto Rico to Kentucky flight tickets

Southwest

Dec 3

SJU12:30 pmSan Juan Luis Munoz Marin Intl

10h 45m

2 stops

SDF10:15 pmLouisville Intl

Dec 6

SDF5:40 amLouisville Intl

11h 10m

2 stops

SJU5:50 pmSan Juan Luis Munoz Marin Intl

$396

Southwest

Dec 20

SJU5:35 amSan Juan Luis Munoz Marin Intl

11h 00m

2 stops

SDF3:35 pmLouisville Intl

Jan 2

SDF5:35 pmLouisville Intl

6h 20m

1 stop

SJU12:55 amSan Juan Luis Munoz Marin Intl

$436

Southwest

Nov 26

SJU9:35 amSan Juan Luis Munoz Marin Intl

7h 55m

1 stop

SDF4:30 pmLouisville Intl

Dec 2

SDF3:10 pmLouisville Intl

7h 15m

1 stop

SJU11:25 pmSan Juan Luis Munoz Marin Intl

$448

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Sat 10/31

6:11 pm-9:29 pm

1 stop27h 18m

Louisville Intl

Sun 11/8

9:09 pm-11:59 pm

1 stop25h 50m

$263

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 12/1

9:50 pm-4:32 pm

2 stops19h 42m

Louisville Intl

Sat 12/5

5:12 pm-11:08 pm

1 stop28h 56m

$281

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Sat 10/31

6:11 pm-9:29 pm

1 stop27h 18m

Louisville Intl

Sat 11/7

4:06 pm-11:45 am

2 stops18h 39m

$286

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Thu 12/3

1:18 pm-10:34 pm

2 stops10h 16m

Louisville Intl

Sun 12/6

6:00 am-6:03 pm

2 stops11h 03m

$396

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Sat 10/31

6:00 am-3:27 pm

1 stop9h 27m

Louisville Intl

Sat 11/7

10:13 am-9:13 pm

2 stops10h 00m

$396

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 11/27

5:35 am-11:30 am

1 stop6h 55m

Louisville Intl

Tue 12/1

12:55 pm-12:50 am

1 stop10h 55m

$396

Quickest round-trip

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Fri 11/27

5:35 am-11:30 am

1 stop6h 55m

Louisville Intl

Tue 12/1

2:05 pm-12:50 am

2 stops9h 45m

$396

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Sat 10/31

7:30 am-7:36 pm

2 stops12h 06m

Louisville Intl

Sat 11/7

11:08 am-9:13 pm

2 stops9h 05m

$396

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 11/17

7:00 am-5:00 pm

2 stops11h 00m

Louisville Intl

Sun 11/29

6:00 am-4:56 pm

2 stops9h 56m

$3,637

San JuanLouisville

SJU San Juan Luis Munoz Marin Intl - SDF Louisville Intl

SJUSDF

San Juan Luis Munoz Marin Intl

Tue 11/17

7:00 am-5:00 pm

2 stops11h 00m

Louisville Intl

Sun 11/29

10:49 am-11:54 pm

2 stops12h 05m

$3,637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico to Kentucky

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

Prices

Airlines

What is the cheapest month to fly to Kentucky?

If you’re not able to fly to Kentucky in September, then August is your next best option. Flight prices from Puerto Rico to Kentucky during August average around $366.

How far in advance should I book a flight from Puerto Rico to Kentucky?

You are more likely to see cheaper flights to Kentucky from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Kentucky for around $422 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kentucky from Puerto Rico for as low as $168 on momondo.

Can stopping save me money on Puerto Rico to Kentucky flights?

You could potentially save up to 10% on your flight if you consider stops on a Puerto Rico to Kentucky flight.

Cheap Puerto Rico to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Kentucky

Best Price Found	$123
Fastest flight time	4h 30m
Direct flights	None

The best one-way flight to Kentucky from Puerto Rico in the past 72 hours is $123. The best round-trip flight deal from Puerto Rico to Kentucky found on momondo in the last 72 hours is $263.

The fastest flight from Puerto Rico to Kentucky takes 4h 30m

There are no direct flights from Puerto Rico to Kentucky. There are no popular flight routes from Puerto Rico to Kentucky.

Search flight deals

Frequently asked questions about flying from Puerto Rico to Kentucky

When did momondo last update prices for flights from Puerto Rico to Kentucky?
Prices for flights from Puerto Rico to Kentucky were last updated today.
How many operators does momondo search for flights from Puerto Rico to Kentucky?
The number of operators available for flights from Puerto Rico to Kentucky is 3 as of October 2026.
How old do you have to be to fly from Puerto Rico to Kentucky?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The travel and health documents you'll need for your trip to Kentucky 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 Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Puerto Rico to Kentucky

Compare and see reviews for airlines that fly from Puerto Rico to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $199	Free Cancellation	Rating 7.8 8,652 reviews	Search Delta flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.0 12,169 reviews	Search American Airlines flights
Southwest	PriceFrom $318	Free Cancellation	Rating 7.9 4,215 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Kentucky?

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 Puerto Rico to Kentucky for you.

Can I find flights from Puerto Rico to Kentucky with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to Kentucky flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to Kentucky?

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

I’m not ready to book a flight from Puerto Rico to Kentucky right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kentucky from Puerto Rico. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.