Cheap Flights from Boston (BOS) to El Salvador (ESR)

Popular airlines from Logan International Airport (BOS) to El Salvador (ESR)

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Find available prices by choosing your travel dates.
Flights from Boston (BOS) to El Salvador (ESR)
Origin airport
Logan Intl.
Destination airport
El Salvador
Distance
4745 mi

Boston to El Salvador Flights

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

 

The best time to book a flight from Boston to El Salvador

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston 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 Boston 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 Boston 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 Logan Intl. Airport (BOS) to ESR last minute?
When it’s time to book your flights, being prepared pays dividends. While you may be able to score a deal on a BOS to ESR flight at the last minute, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international travel it’s three to four months.
What airports do you fly into for Diego de Almagro from Boston?
You have one option when traveling from Boston to Diego de Almagro — El Salvador (ESR). Get off the plane here and you’ll be approximately 19 mi east of downtown Diego de Almagro. Work out your travel dates and experience all that this awesome city has got to offer.
Can I change the date of my flight from Logan Intl. Airport to ESR?
You can easily make changes to your Logan Intl. Airport to ESR trip through the Expedia Trips portal. But before doing so, look over the rules in your itinerary to find out what the carrier will let you do and what fees apply for changes. Some carriers charge a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also swing by our Customer Service portal for more info and to connect with our Virtual Agent.

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