Cheap Flights from San Juan (SJU) to El Salvador (ESR)

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Flights from San Juan (SJU) to El Salvador (ESR)
Origin airport
Luis Munoz Marin Intl.
Destination airport
El Salvador
Distance
3102 mi

San Juan to El Salvador Flights

The cheapest times to fly from San Juan to El Salvador

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 San Juan to El Salvador are during the month of . You can find some of the cheapest flights from San Juan to El Salvador with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to El Salvador

Sunday is one of the best days to book for cheap flights from San Juan to El Salvador: 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 San Juan to El Salvador

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 San Juan to El Salvador in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 San Juan to El Salvador 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 San Juan to El Salvador 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

Is it cheaper to buy a plane ticket from Isla Verde Intl. Airport to ESR last minute?
Being spontaneous is a great way to explore the world, but it isn’t necessarily the smartest method to pick up a cheap airfare. It’s better to book your Isla Verde Intl. Airport to ESR journey well in advance instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you reach your destination!
What airports do you fly into for Diego de Almagro from San Juan?
El Salvador (ESR) is where all San Juan to Diego de Almagro flights disembark. It’s around 19 mi east of central Diego de Almagro. You can pick up the best deals on flights, activities, hotels and more when organizing your Diego de Almagro escape with Expedia.
Can I change the date of my flight from SJU to ESR?
We know life happens and plans change, so Expedia is here to help make amending your trip as easy as possible. First, access your Isla Verde Intl. Airport to ESR itinerary through the Expedia Trips portal and browse the ticket rules about what changes are allowed. If you purchased your ticket in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you booked more than 24 hours ago, contact us through our Customer Service portal to see how we can help.

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