Cheap flights from San Salvador to Boston Logan International

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Flight deals from San Salvador to Boston Logan International

Looking for a cheap last-minute deal or the best round-trip flight from San Salvador to Boston Logan International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from San Salvador to Boston Logan International

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

Direct flights from San Salvador to Boston Logan International

San Salvador to Boston Logan International: Alternative routes

Compare routes from San Salvador to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

San Salvador to Boston: Flight information

The things to know before you go.
Cheapest flight foundC$300
Cheapest month to flySeptember
Average flight time5 hrs, 7 mins
Most popular airlineAvianca El Salvador
Average flights per week10

Finding cheap flights from San Salvador to Boston Logan International: Frequently asked questions

The best price we found for a round-trip flight from San Salvador to Boston Logan International is C$300. 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.
5 hours and 7 minutes is the average flight time from San Salvador to Boston Logan International.
Avianca El Salvador and Avianca fly direct from San Salvador to Boston Logan International.
There are 9 flights per week flying from San Salvador to Boston Logan International, as of August 2025.
The cheapest month to fly from San Salvador to Boston Logan International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Salvador Airport to Boston Logan International Airport on Tuesday, September 16, 2025.
Yes – the average flight time is 5 hours and 7 minutes.
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 Boston Logan International 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 Boston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and Avianca offer the cheapest flight tickets to Boston Logan International.

Flying from El Salvador International Airport (SAL) to Logan International Airport (BOS): what you need to know

  • The average length of a direct flight from El Salvador International Airport to Logan International Airport is 5 hours 15 minutes.

  • Boston's timezone is UTC-4, which makes Boston two hours ahead of San Salvador.

  • Flights from SAL to BOS start from 07:10 — the earliest with AVIANCA. The last departure is at 08:15 with AVIANCA. Overall, you can choose from six weekly El Salvador International Airport to Logan International Airport flights.

  • Your SAL to BOS flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as August, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a high season in general.

  • Travelling to Boston (and then discovering more of United States!) is a breeze with AVIANCA. This popular airline has direct flights from El Salvador International Airport to Logan International Airport.

  • AVIANCA has the highest passenger demand on this route.

  • AVIANCA is the most punctual carrier operating SAL to BOS flights. A dependable 87.5% of its departures on this route arrive as planned.

  • Consider adding a stopover when booking your ticket from El Salvador International Airport to Logan International Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here are some options between SAL and BOS:

    • Cancun International Airport

    • Newark Liberty International Airport

    • Miami International Airport

How to find the cheapest flights from El Salvador International Airport (SAL) to Logan International Airport (BOS)

  • Right now, C$154 is the lowest price we've seen for a one-way El Salvador International Airport to Logan International Airport flight. The best price for a return plane ticket is C$300. Keep in mind that fares could change due to availability when booking.

  • Book eight months before you want to fly. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SAL to BOS.

  • July is the cheapest month for flights from El Salvador International Airport to Logan International Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Save time looking for cheap flights from SAL to BOS by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from El Salvador International Airport to Logan International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about El Salvador International Airport (SAL)

  • El Salvador International Airport scores top marks for on-time performance. 84.27% of flights that depart SAL arrive at their destination as scheduled.

  • El Salvador International Airport is around 40 kilometres from central San Salvador. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 40 minutes or so to get there, depending on the traffic.

  • Taking an early flight from El Salvador International Airport to Logan International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to SAL:

Arriving at Logan International Airport (BOS)

Getting from Logan International Airport (BOS) to central Boston

  • You'll find BOS at One Harborside Drive.

  • From Logan International Airport, Boston is approximately 5 kilometres away. It takes around 10 minutes to get to the centre driving.

  • If you're using public transport, expect a journey time of about 25 minutes.

When to fly to Logan International Airport (BOS)

  • The quietest month for a flight from El Salvador International Airport to Logan International Airport is May, while August is the most popular. Choose the ideal time to visit Boston based on whether you prefer a more fast-paced or easygoing experience.

  • When booking your flight from El Salvador International Airport to Logan International Airport, think about the kind of weather you like. July is the warmest month in Boston, with the temperature ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • January has average temperatures of between -8ºC (18ºF) and 6ºC (43ºF). Search for cheap tickets from SAL to BOS sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

  • Boston has loads to offer, but there are so many other parts of United States waiting to be explored. About 306 kilometres south-west of Boston, a trip to New York will keep you on the go. Start with popular sights like Statue of Liberty, Central Park and Empire State Building.

  • If you're interested in discovering another major stop in United States, head for Philadelphia, roughly 434 kilometres south-west of Boston. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.