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Cheap Flights from Boston (BOSA) to San Salvador (SAL)

Compare Boston to San Salvador flight deals

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

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Flight deals from Boston to San Salvador

Looking for a cheap last-minute deal or the best return flight from Boston to San Salvador Airport? If you want to travel next month, return fares start from $608. Find the lowest prices on one-way and return tickets right here.
San Salvador.$570 per passenger.Departing Thu, 10 Sep, returning Thu, 17 Sep.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Thu, 10 Sep, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Thu, 17 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $570, select.
San Salvador.$572 per passenger.Departing Sun, 18 Oct, returning Mon, 26 Oct.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Sun, 18 Oct, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Mon, 26 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $572, select.
San Salvador.$590 per passenger.Departing Sun, 20 Sep, returning Mon, 5 Oct.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Sun, 20 Sep, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Mon, 5 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Thu, 9 Jul, returning Thu, 16 Jul.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Thu, 9 Jul, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Thu, 16 Jul, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Wed, 11 Nov, returning Sun, 15 Nov.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Wed, 11 Nov, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Sun, 15 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Wed, 19 Aug, returning Wed, 2 Sep.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Wed, 19 Aug, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Wed, 2 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Tue, 14 Jul, returning Tue, 4 Aug.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Tue, 14 Jul, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Tue, 4 Aug, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Wed, 27 May, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Wed, 3 Jun, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$590 per passenger.Departing Wed, 19 Aug, returning Tue, 25 Aug.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Wed, 19 Aug, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Tue, 25 Aug, arriving in Boston Logan International.Price includes taxes and charges.From $590, select.
San Salvador.$602 per passenger.Departing Wed, 29 Apr, returning Wed, 6 May.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 29 Apr, arriving in San Salvador.Inbound indirect flight with United, departs from San Salvador on Wed, 6 May, arriving in Boston Logan International.Price includes taxes and charges.From $602, select.
San Salvador.$608 per passenger.Departing Tue, 9 Jun, returning Tue, 16 Jun.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Tue, 9 Jun, arriving in San Salvador.Inbound indirect flight with United, departs from San Salvador on Tue, 16 Jun, arriving in Boston Logan International.Price includes taxes and charges.From $608, select.
San Salvador.$608 per passenger.Departing Sun, 17 May, returning Sat, 30 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Sun, 17 May, arriving in San Salvador.Inbound indirect flight with Delta, departs from San Salvador on Sat, 30 May, arriving in Boston Logan International.Price includes taxes and charges.From $608, select.
San Salvador.$616 per passenger.Departing Sat, 30 Jan, returning Sat, 6 Feb.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Sat, 30 Jan, arriving in San Salvador.Inbound indirect flight with United, departs from San Salvador on Sat, 6 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $616, select.
San Salvador.$618 per passenger.Departing Thu, 22 Oct, returning Thu, 5 Nov.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Thu, 22 Oct, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Thu, 5 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $618, select.
San Salvador.$635 per passenger.Departing Wed, 3 Jun, returning Wed, 15 Jul.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 3 Jun, arriving in San Salvador.Inbound indirect flight with United, departs from San Salvador on Wed, 15 Jul, arriving in Boston Logan International.Price includes taxes and charges.From $635, select.
San Salvador.$638 per passenger.Departing Wed, 24 Feb, returning Sun, 7 Mar.Return flight with Copa.Outbound indirect flight with Copa, departs from Boston Logan International on Wed, 24 Feb, arriving in San Salvador.Inbound indirect flight with Copa, departs from San Salvador on Sun, 7 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $638, select.

Find the cheapest month to fly from Boston to San Salvador

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to San Salvador flights are currently cheapest in September.
Apr
from $755
May
from $608
Jun
from $608
Jul
from $590
Aug
from $590
Sep
from $570
Oct
from $572
Nov
from $590
Dec
from $814
Jan
from $1,207
Feb
from $857
Mar
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Direct flights from Boston to San Salvador

Boston to San Salvador: Alternative routes

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

San Salvador

32km from central San Salvador
ClosestCheapest
from $570
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Boston to San Salvador: Flight information

The things to know before you go.
Cheapest flight found$570
Cheapest month to flySeptember
Average flight time5 hrs, 42 mins
Most popular airlineAvianca El Salvador
Average flights per week13

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

The best price we found for a return flight from Boston to San Salvador is $570. 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 42 minutes is the average flight time from Boston to San Salvador.
Avianca El Salvador and Avianca fly direct from Boston to San Salvador.
As of April 2026, there are 26 flights per week flying from Boston to San Salvador.
The cheapest month to fly from Boston to San Salvador is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to San Salvador Airport on Thursday, 10 September 2026.
Yes – the average flight time is 5 hours and 42 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 San Salvador 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 Salvador is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to San Salvador (SAL) from Boston (BOSA) in 2024

Looking for cheap tickets from Boston to San Salvador? Return tickets start from $570 and one-way flights to San Salvador from Boston start from $167


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets.
  • Compare flight deals to San Salvador from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to San Salvador start from $167 one-way.
  • Flex your dates to find the best BOSA-SAL ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Salvador from Boston.
  • Set up a Price Alert. You can easily track the fare of your cheap flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Boston and San Salvador? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Avianca El Salvador
    Avianca
  • Find the cheapest Business class flights from Boston and San Salvador. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Salvador, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston to San Salvador flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and San Salvador whenever you want.

Combine your flight to San Salvador from Boston with hotels and car hire

Once you've secured your cheap flight ticket from Boston to San Salvador, discover the best prices and exclusive rates for hotels in San Salvador or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Boston to San Salvador

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