Cheap flights from Basel, Switzerland/Mulhouse to Boston

Cheapest current fares: $526 in August 2026 on connecting flights.

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Live fares · BSL → BOS

Cheapest month-by-month fares

Lowest available fare per calendar month from Basel, Switzerland/Mulhouse (BSL) to Boston (BOS). Refreshed daily.

Basel, Switzerland/Mulhouse (BSL) → Boston (BOS)

  1. August 2026 $526
  2. September 2026 $547

Frequently asked questions

  • What is the cheapest month to fly from Basel, Switzerland/Mulhouse to Boston?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Basel, Switzerland/Mulhouse (BSL) to Boston (BOS), with fares starting from $526.

  • What is the lowest current fare from BSL to BOS?

    The lowest currently-listed fare from Basel, Switzerland/Mulhouse (BSL) to Boston (BOS) is $526 on 2026-08-31.

  • Is there a direct flight from Basel, Switzerland/Mulhouse to Boston?

    There is currently no non-stop service from BSL to BOS. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: BSL → BOS Cheapest month to fly to Boston All flights from Basel, Switzerland/Mulhouse All flights to Boston Flights to USA Visa-free with France passport