Boston to San Salvador flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Boston to San Salvador is €172 (checked on 18 Oct 2026).

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Lowest observed

€172

Cheapest month

November 2026

Last checked

18 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €172

Lowest observed

22 Nov 2026

1 stop · One way

Cheapest observed day · Last checked: 18 Oct 2026

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One-way fare

One-way fare · No data: click and we will search

Lowest observed: €172, departing 22 Nov 2026 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: Aeromexico, Air Transat, Avianca, Breeze Airways, Frontier Airlines, JetBlue, United Airlines (7)
Typical journey time: 11h 21m

Short answer

Routavio has seen Aeromexico fares from Boston to San Salvador. The lowest fare Routavio's own searches returned is €172, seen on 18 Oct 2026. November 2026 is the cheapest month in our observations, at €172. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Boston to San Salvador. Prices move often, so pick your dates to see the latest options.

Route distance: 3,634 km
Typical journey time: 11h 21m
Airlines seen: Aeromexico, Air Transat, Avianca, Breeze Airways, Frontier Airlines, JetBlue, United Airlines (7)
Seen on fares with a connection: United Airlines, Breeze Airways, Aeromexico, Avianca, JetBlue
Alternative airports: PSM, ILS

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
Ilopango International Airport (ILS) → San Salvador, city gazetteer reference point (13.6929, -89.2182): ≈ 11 km.
El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL) → San Salvador, city gazetteer reference point (13.6929, -89.2182): ≈ 33 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Boston to San Salvador?

The lowest fare we have observed is €172, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Boston to San Salvador?

In our observations November 2026 is the cheapest month so far, at €172.

Are there direct flights from Boston to San Salvador?

Our data holds no non-stop flight from Boston to San Salvador. The fares on this page include at least one stop.

Which airlines fly from Boston to San Salvador?

These are the carriers we have seen on the route: Aeromexico, Air Transat, Avianca, Breeze Airways, Frontier Airlines, JetBlue, United Airlines (7).

How long does the flight from Boston to San Salvador take?

The average journey time across the 4 fares we observed is 16h 09m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide