Cheap Flights from San Salvador to San Juan

Compare San Salvador to San Juan flight deals

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

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Flight deals from San Salvador to San Juan

Looking for a cheap last-minute deal or the best return flight from San Salvador Airport to San Juan? If you want to travel next month, return fares start from R 6,429. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Salvador to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Salvador to San Juan flights are currently cheapest in September.

San Salvador to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 4,527
Cheapest month to flySeptember

Finding cheap flights from San Salvador 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 San Salvador to San Juan is R 6,429. 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 San Salvador to San Juan. But we found flights with one or more stops from R 6,429.
As of July 2026, there are no flights flying from San Salvador to San Juan.
The cheapest month to fly from San Salvador to San Juan is usually August.
If you're flying from San Salvador 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 R 6,429.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Salvador Airport to San Juan on Friday, 28 August 2026.
No airlines currently offer direct flights between San Salvador 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 July, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Copa offers the cheapest flight tickets to San Juan.

Flying from El Salvador International Airport (SAL) to San Juan: what you need to know

  • The timezone in San Juan is UTC-4. The city is two hours ahead of San Salvador, where El Salvador International Airport is located.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your SAL to San Juan flight.

  • You can expect longer queues in popular months such as January. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • We make it easy to book plane tickets from SAL to San Juan with a stopover. To see all the options, deselect 'Direct flights only.' Then, select a flight offering a stop long enough to tour the city of your choice. Well-traveled stopover hubs include:

    • Panama City Tocumen International Airport (PTY)

    • Cancun International Airport (CUN)

    • Santo Domingo Las Americas International Airport (SDQ)

  • SAL is about 32 kilometres from central San Salvador. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 45 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 1 hour 15 minutes.

  • Searching for a hotel close to SAL? If you're catching an early flight from El Salvador International Airport to San Juan, these accommodation options will put you moments from check-in:

  • 88% of flights departing from El Salvador International Airport reach their destination on time. Given its dependable on-time performance, disruptions are unlikely when jetting out of SAL.

How to find the cheapest flights from El Salvador International Airport (SAL) to San Juan

  • The best price we've found for a one-way El Salvador International Airport to San Juan flight is R 4,527. The cheapest price for a return flight is R 6,429. Bear in mind fares can change due to demand at the time of booking.

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

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your El Salvador International Airport to San Juan ticket.

  • You don't need to keep looking every day to see if fares have dropped when you create a Price Alert. We'll update you when there's an even better deal on cheap flights from SAL to San Juan.

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

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 20 minutes to reach by car. The centre is roughly 11 kilometres away.

  • If you're taking public transport, expect a journey time of about 1 hour.

  • Book a hotel close to SJU if you're coming in on a late flight from El Salvador International Airport to San Juan. Pick one of these accommodation options and make arrival day easier:

  • Reserving your vehicle from Luis Munoz Marin International Airport about two weeks ahead of your flight from SAL to San Juan can help you secure the lowest rate.

Best time to go to San Juan

  • It's time to figure out your dates for your flight from El Salvador International Airport to San Juan. March is the busiest month for a trip to San Juan. If you like a more relaxed atmosphere, go in December.

  • When booking your El Salvador International Airport to San Juan plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in San Juan, with temperatures ranging from 24ºC (75ºF) to 32ºC (90ºF).

  • February has average temperatures of between 21ºC (70ºF) and 28ºC (82ºF). Search for a cheap ticket from SAL to San Juan around that time if you want to travel in cooler conditions.

More about San Juan

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in San Juan right here. Check out these hotels as soon as you've locked in your flight from El Salvador International Airport to San Juan:

  • Esperanza Beach and Balneario El Escambron are just two of the top attractions to put on your San Juan travel itinerary. Keep the sightseeing going at Escambron Green.

Explore more of Puerto Rico

  • You've visited San Juan, now it's time to discover other corners of Puerto Rico. Journey around 113 kilometres west to Aguadilla to check off its leading attractions. From Silla Aguadilla to Bridges Surf Beach and Playa Rompe Olas, you'll have a packed itinerary ahead.

  • If you're interested in discovering another side of Puerto Rico, consider Isabela, about 105 kilometres west of San Juan. Playa montones, Shore Island Beach and Guajataca Forest Reserve are key reasons to visit.

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