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Cheap Flights from Lexington (LEX) to San Juan (SJUA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Lexington Blue Grass to San Juan flight deals

      Find the cheapest month or even day of the year to fly to San Juan

      Book the best San Juan fare with no extra fees

      Flight deals from Lexington Blue Grass to San Juan

      Looking for a cheap last-minute deal or the best return flight from Lexington Blue Grass Airport to San Juan? If you want to travel next month, return fares start from $577. Find the lowest prices on one-way and return tickets right here.
      San Juan.$442 per passenger.Departing Wed, 30 Sep, returning Tue, 6 Oct.Return flight with United.Outbound indirect flight with United, departs from Lexington Blue Grass on Wed, 30 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Tue, 6 Oct, arriving in Lexington Blue Grass.Price includes taxes and charges.From $442, select.
      San Juan.$553 per passenger.Departing Tue, 22 Sep, returning Mon, 28 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Lexington Blue Grass on Tue, 22 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Mon, 28 Sep, arriving in Lexington Blue Grass.Price includes taxes and charges.From $553, select.
      San Juan.$557 per passenger.Departing Sun, 10 Jan, returning Sat, 16 Jan.Return flight with United.Outbound indirect flight with United, departs from Lexington Blue Grass on Sun, 10 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 16 Jan, arriving in Lexington Blue Grass.Price includes taxes and charges.From $557, select.
      San Juan.$577 per passenger.Departing Thu, 15 Oct, returning Sun, 18 Oct.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Lexington Blue Grass on Thu, 15 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 18 Oct, arriving in Lexington Blue Grass.Price includes taxes and charges.From $577, select.
      San Juan.$605 per passenger.Departing Thu, 11 Mar, returning Tue, 16 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Lexington Blue Grass on Thu, 11 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 16 Mar, arriving in Lexington Blue Grass.Price includes taxes and charges.From $605, select.
      San Juan.$821 per passenger.Departing Fri, 6 Nov, returning Thu, 12 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Lexington Blue Grass on Fri, 6 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Thu, 12 Nov, arriving in Lexington Blue Grass.Price includes taxes and charges.From $821, select.
      San Juan.$1,278 per passenger.Departing Sat, 19 Dec, returning Tue, 22 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Lexington Blue Grass on Sat, 19 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Tue, 22 Dec, arriving in Lexington Blue Grass.Price includes taxes and charges.From $1,278, select.
      San Juan.$1,299 per passenger.Departing Thu, 1 Jul, returning Sun, 18 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Lexington Blue Grass on Thu, 1 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Sun, 18 Jul, arriving in Lexington Blue Grass.Price includes taxes and charges.From $1,299, select.

      Find the cheapest month to fly from Lexington Blue Grass to San Juan

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lexington Blue Grass to San Juan flights are currently cheapest in September.
      Sep
      from $553
      Oct
      from $577
      Nov
      from $821
      Dec
      from $1,278
      Jan
      from $557
      Feb
      Find prices
      Mar
      from $605
      Apr
      Find prices
      May
      Find prices
      Jun
      Find prices
      Jul
      from $1,299
      Aug
      Find prices

      Alternative Lexington Blue Grass to San Juan routes

      Looking for the cheapest, fastest or easiest route from Lexington Blue Grass to San Juan? You could fly into the following airports instead.

      San Juan Isla Grande

      1km from central San Juan
      Closest
      Search flights

      San Juan Luis Munoz Marin

      11km from central San Juan
      Cheapest
      from $442
      Search flights

      Roosevelt Roads

      55km from central San Juan
      Search flights

      Ponce

      70km from central San Juan
      Search flights

      Vieques

      82km from central San Juan
      Search flights

      Culebra

      85km from central San Juan
      Search flights

      Lexington to San Juan: Flight information

      The things to know before you go.
      Cheapest flight found$442
      Cheapest month to flySeptember

      Finding cheap flights from Lexington Blue Grass to San Juan: Frequently asked questions

      There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
      The best price we found for a return flight from Lexington Blue Grass to San Juan is $442. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Lexington Blue Grass to San Juan. But we found flights with one or more stops from $442.
      As of September 2026, there are no flights flying from Lexington Blue Grass to San Juan.
      The cheapest month to fly from Lexington Blue Grass to San Juan is usually September.
      If you're flying from Lexington Blue Grass Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from $442.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lexington Blue Grass Airport to San Juan on Wednesday, 30 September 2026.
      No airlines currently offer direct flights between Lexington Blue Grass Airport and San Juan. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 30°C. You can expect the least rain in January. The coldest month is February, with temperatures averaging 22°C. The rainiest month is September.
      Currently, United offers the cheapest flight tickets to San Juan.

      Travelling from Blue Grass Airport (LEX) to San Juan: what you need to know

      • San Juan is one hour ahead of Lexington, where Blue Grass Airport is located. San Juan observes the UTC-4 timezone.

      • Give yourself plenty of time to make your LEX to San Juan flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

      • During popular months like July, it's wise to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

      • We make it a breeze to book plane tickets from LEX to San Juan with a stopover. To see your options, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Top stopovers include:

        • Chicago O'Hare International Airport (ORD)

        • Atlanta Hartsfield-Jackson International Airport (ATL)

        • Charlotte Douglas International Airport (CLT)

      • Travelling from central Lexington to LEX takes about 35 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 8 kilometres in 20 minutes or so, depending on traffic.

      • Looking for a hotel close to LEX? If you're boarding an early flight from Blue Grass Airport to San Juan, these accommodation options set you up for a seamless send-off:

      • 75% of flights taking off from Blue Grass Airport touch down at their destination on time.

      • LEX is located at 4000 Terminal Drive, Suite 206.

      How to find the cheapest flights from Blue Grass Airport (LEX) to San Juan

      • $314 is the lowest price we've seen for a one-way Blue Grass Airport to San Juan flight. A round-trip plane ticket right now is $442. Depending on how early you book and the availability, these fares may change.

      • To pick up cheap flights from LEX to San Juan, book as early as you can. Airlines usually offer their most competitively priced fares when flights first go on sale.

      • The 'Whole month' search tool will show you the cheapest tickets from Blue Grass Airport to San Juan throughout the entire month. It's a good way to snap up a bargain if your dates are flexible.

      • Cut down on the time spent looking for cheap flights from LEX to San Juan by creating a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

      • Choose your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Blue Grass Airport to San Juan by 'Cheapest,' 'Best' or 'Fastest.'

      Airports in San Juan

      Luis Munoz Marin International Airport (SJU)

      • Luis Munoz Marin International Airport (SJU) is around 11 kilometres from the centre of San Juan. If you're grabbing a taxi or a ride-share, the drive takes about 20 minutes.

      • It takes around 1 hour if you're travelling on public transport.

      • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Blue Grass Airport to San Juan. Stay at one of these accommodation options near SJU instead:

      • Secure the lowest price by reserving your vehicle from Luis Munoz Marin International Airport about two weeks ahead of your flight from LEX to San Juan.

      Best time to go to San Juan

      • March is the busiest month for flights from Blue Grass Airport to San Juan. To avoid the crowds, visit San Juan in December.

      • The warmest month in San Juan is August, with temperatures ranging between 24ºC (75ºF) and 32ºC (90ºF). Lock in your Blue Grass Airport to San Juan plane ticket then if that's the weather you find most pleasant.

      • For cooler conditions, search for a cheap ticket from LEX to San Juan in February when temperatures average between 21ºC (70ºF) and 28ºC (82ºF).

      More about San Juan

      • Start your San Juan trip off on the right foot by choosing the ideal place to stay. After booking your flight from Blue Grass Airport to San Juan, explore our selection of accommodation options including:

      • All great adventures should include a little sightseeing. Esperanza Beach, Balneario El Escambron and Escambron Green are must-do's during your San Juan adventure.

      Explore more of Puerto Rico

      • You've visited San Juan, now it's time to explore other parts of Puerto Rico. Travel around 113 kilometres west to Aguadilla to tick off its top sights. From Silla Aguadilla to Bridges Surf Beach and Playa Rompe Olas, you'll have a full itinerary ahead.

      • Around 105 kilometres west of San Juan, Isabela is another favourite stop in Puerto Rico. Experience the best of this destination with a visit to Playa montones, Shore Island Beach and Guajataca Forest Reserve.

      Plan smart, explore more

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      Plan the rest of your trip from Lexington to San Juan

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.