Cheap flights from San Salvador to Boston
Cheapest current fares: $418 in August 2026, 3,654 km direct flight in ~4h 18m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Salvador (SAL) to Boston (BOS). Refreshed daily.
San Salvador (SAL) → Boston (BOS)
- August 2026 $418
Frequently asked questions
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What is the cheapest month to fly from San Salvador to Boston?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from San Salvador (SAL) to Boston (BOS), with fares starting from $418.
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What is the lowest current fare from SAL to BOS?
The lowest currently-listed fare from San Salvador (SAL) to Boston (BOS) is $418 on 2026-08-09.
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How long is the flight from San Salvador to Boston?
Direct flights from SAL to BOS cover approximately 3,654 km (2,270 miles), with an estimated flight time of 4h 18m. Operating airlines: AV.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.