$118 Cheap Flights from Lexington (LEX) to San Juan (SJU)

View $118 flight on Tue, Mar 3, 2026Opens in a new window

Popular airlines from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)

Cheap Flights from Lexington to San Juan (LEX-SJU)

Prices were available within the past 7 days and start at $118 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 3 - Wed, Mar 11
LEX
Lexington
SJU
San Juan
$235 Roundtrip, found 5 hours ago
$235
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Mar 3 from Lexington to San Juan, returning Wed, Mar 11, priced at $235 found 5 hours ago
American Airlines
Sun, Jan 18 - Tue, Jan 27
LEX
Lexington
SJU
San Juan
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Jan 18 from Lexington to San Juan, returning Tue, Jan 27, priced at $260 found 3 days ago
American Airlines
Sun, Jan 18 - Thu, Jan 22
LEX
Lexington
SJU
San Juan
$262 Roundtrip, found 2 days ago
$262
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Jan 18 from Lexington to San Juan, returning Thu, Jan 22, priced at $262 found 2 days ago
United
Tue, Jan 20 - Thu, Feb 5
LEX
Lexington
SJU
San Juan
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 20 from Lexington to San Juan, returning Thu, Feb 5, priced at $264 found 6 days ago
Delta
Mon, Mar 2 - Wed, Mar 11
LEX
Lexington
SJU
San Juan
$266 Roundtrip, found 5 hours ago
$266
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Mar 2 from Lexington to San Juan, returning Wed, Mar 11, priced at $266 found 5 hours ago
American Airlines
Mon, Feb 2 - Fri, Feb 6
LEX
Lexington
SJU
San Juan
$267 Roundtrip, found 6 days ago
$267
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Feb 2 from Lexington to San Juan, returning Fri, Feb 6, priced at $267 found 6 days ago
United
Tue, Jan 20 - Thu, Feb 5
LEX
Lexington
SJU
San Juan
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 20 from Lexington to San Juan, returning Thu, Feb 5, priced at $272 found 6 days ago
United
Tue, Jan 20 - Thu, Feb 5
LEX
Lexington
SJU
San Juan
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 20 from Lexington to San Juan, returning Thu, Feb 5, priced at $276 found 6 days ago
American Airlines
Tue, Dec 2 - Thu, Dec 4
LEX
Lexington
SJU
San Juan
$282 Roundtrip, found 6 hours ago
$282
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Lexington to San Juan, returning Thu, Dec 4, priced at $282 found 6 hours ago
American Airlines
Mon, Feb 2 - Fri, Feb 6
LEX
Lexington
SJU
San Juan
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Feb 2 from Lexington to San Juan, returning Fri, Feb 6, priced at $285 found 6 days ago

Find the cheapest month to fly from Lexington (LEX) to San Juan (SJU)

October is typically the cheapest month to fly

From $215 - $572 per traveler.

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $399
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $399
Flights from Lexington (LEX) to San Juan (SJU)
Origin airport
Blue Grass
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$235
Distance
1757 mi

Lexington to San Juan Flights

The cheapest times to fly from Lexington to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lexington to San Juan are during the month of March. You can find some of the cheapest flights from Lexington to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lexington to San Juan

Sunday is one of the best days to book for cheap flights from Lexington to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lexington to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lexington to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lexington to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lexington to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU) cost?
Get a cheap one-way flight from $118 or cheap return flight from $235 from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)?
Planning your trip for March can help you save, as it's the cheapest month for flights between LEX and SJU. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LEX to SJU flight.
How many flights per day from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)?
Direct flights from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LEX to SJU?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)?
To arrive at Luis Munoz Marin Intl. Airport (SJU) on schedule, pick a flight that takes off from Blue Grass Airport (LEX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Waiting until just before your trip to book a flight from LEX to SJU generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Can I cancel or change the date of my flight from Blue Grass Airport (LEX) to Luis Munoz Marin Intl. Airport (SJU)?
In most cases, you're able to cancel or reschedule your LEX to SJU flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.