San Salvador to Boston flights

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Lowest observed

€540

Cheapest month

December 2026

Last checked

9 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €540

20 Dec 2026

United Airlines · 1 stop · 35 nights

Cheapest observed day · Last checked: 9 Oct 2026

Departure

01:10

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Lowest observed: €540, departing 20 Dec 2026 (Last checked: 9 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: American Airlines, Delta Air Lines, United Airlines
Typical journey time: 6h 54m

Short answer

We have seen American Airlines fares from San Salvador to Boston. The lowest fare our own searches returned is €540, seen on 9 Oct 2026. December 2026 is the cheapest month in our observations, at €540. These are prices our 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 San Salvador to Boston. Prices move often, so pick your dates to see the latest options.

Route distance: 3,634 km
Typical journey time: 6h 54m
Airlines seen: American Airlines, Delta Air Lines, United Airlines
Seen on fares with a connection: United Airlines
Alternative airports: ILS, PSM

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

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.
Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 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.