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San Juan

$121+ Cheap flights from Lexington (LEX) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lexington Blue Grass to San Juan are usually found in January or July, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Lexington to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$235
(Delta)

One-way from

$121
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$523
From Lexington Blue Grass to San Juan
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One-way flight from Lexington Blue Grass to San Juan
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Lexington to San Juan

Cheapest flights from Lexington to San Juan
Explore the most affordable flight options available from Lexington to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:52 pmLEX - SJU
1 stop6h 18mAmerican Airlines
Wed 10/225:30 amSJU - LEX
2 stops11h 21mAmerican Airlines
Deal found 9/16$235
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:14 pmLEX - SJU
2 stops18h 16mAmerican Airlines
Thu 12/188:25 amSJU - LEX
1 stop14h 36mAmerican Airlines
Deal found 9/16$295
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:10 pmLEX - SJU
2 stops15h 56mAmerican Airlines
Mon 10/277:10 amSJU - LEX
1 stop16h 58mAmerican Airlines
Deal found 9/16$342
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:04 pmLEX - SJU
2 stops20h 43mAmerican Airlines
Sat 12/208:35 pmSJU - LEX
2 stops14h 55mAmerican Airlines
Deal found 9/16$364
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:09 pmLEX - SJU
2 stops16h 21mAmerican Airlines
Sun 12/146:25 amSJU - LEX
1 stop12h 19mAmerican Airlines
Deal found 9/15$365
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:15 pmLEX - SJU
2 stops15h 56mAmerican Airlines
Fri 10/33:05 pmSJU - LEX
1 stop9h 21mAmerican Airlines
Deal found 9/16$399
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:37 amLEX - SJU
2 stops13h 20mUnited Airlines
Tue 10/73:56 pmSJU - LEX
1 stop8h 03mUnited Airlines
Deal found 9/14$400
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:09 pmLEX - SJU
2 stops18h 21mAmerican Airlines
Fri 12/195:24 amSJU - LEX
2 stops10h 03mAmerican Airlines
Deal found 9/16$410

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Lexington to San Juan that are best for you.

Fly from

Lexington

Fly to

San Juan

Route

Depart

Return

Price

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sun 1/18

5:55 am-5:19 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Tue 1/20

7:30 am-12:40 pm

1 stop6h 10m

$266

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Tue 1/20

5:00 pm-11:49 pm

1 stop5h 49m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:15 am-2:29 pm

1 stop9h 14m

$266

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Mon 1/19

5:55 am-1:00 pm

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Mon 1/26

6:15 am-2:29 pm

1 stop9h 14m

$266

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sun 12/14

6:14 pm-1:30 pm

2 stops18h 16m

San Juan Luis Munoz Marin Intl

Thu 12/18

5:24 am-10:01 pm

2 stops17h 37m

$295

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sun 12/14

8:09 pm-1:01 pm

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Wed 12/17

8:20 am-11:35 pm

2 stops16h 15m

$364

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sat 12/13

6:09 pm-5:52 pm

2 stops22h 43m

San Juan Luis Munoz Marin Intl

Wed 12/17

6:00 am-11:35 pm

2 stops18h 35m

$364

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sun 1/18

5:32 pm-6:11 am

2 stops11h 39m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-4:48 pm

2 stops15h 43m

$375

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Mon 2/16

8:04 pm-4:55 am

1 stop7h 51m

San Juan Luis Munoz Marin Intl

Mon 3/2

6:40 am-12:24 pm

1 stop6h 44m

$390

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Sat 10/4

10:37 am-11:57 pm

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Tue 10/7

3:56 pm-11:59 pm

1 stop8h 03m

$400

LexingtonSan Juan

LEX - SJU

LEXSJU

Lexington Blue Grass

Mon 1/19

8:35 am-10:22 pm

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:05 am-1:25 pm

2 stops12h 20m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from Lexington to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Lexington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lexington to San Juan

How far ahead should I book a flight from Lexington to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Lexington to San Juan. Price data was last updated on September 12, 2025.

The best time to book flights from Lexington to San Juan is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Lexington to San Juan?

Currently, September is the cheapest month in which you can book a flight from Lexington to San Juan (average of $254). Flying from Lexington to San Juan in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LEX to SJU?

Find hourly flight availability from Lexington to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Lexington to San Juan, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight at noon.

How much does it cost to fly round-trip from Lexington to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated September 17, 2025.
See what other customers who have flown with Delta and American Airlines from Lexington to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Lexington to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Lexington to San Juan?

    Lexington Blue Grass (LEX), located 5.6 mi from the city center, is the airport you fly out of when you book flights from Lexington to San Juan. 2 airlines have flights from Blue Grass to San Juan on a regular basis. Booking flights from Lexington Blue Grass to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • How long is the flight from Lexington to San Juan?

    Airlines like Delta and American Airlines fly from Lexington to San Juan in about 10h 24m. The time it takes to get you to your destination can typically vary by up to 7h 52m. The distance between Lexington and San Juan is about 1757 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Lexington to San Juan round-trip?

    Delta, at $264, was found to be the cheapest airline from Lexington to San Juan. An alternate airline flying to your destination would be American Airlines. Delta is currently priced 50% below the average price you’ll pay for this route.

  • Can I find deals for flights from Lexington to San Juan that include hotel bookings?

    Yes. In addition to deals on Lexington to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lexington to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lexington to San Juan.

  • Can I find deals for business class flights from Lexington to San Juan?

    Yes. Cheapflights offers flight deals from Lexington to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lexington to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Lexington to San Juan (average of $254). Flying from Lexington to San Juan in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lexington to San Juan

Discover the top 2 airlines that operate flights from Lexington to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$354Average$573FlexibilityNo cancel feeOn-time71%

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