Cheap flights from Boston to San Juan

Direct flight: 2,703 km, ~3h 11m from Boston (BOS) to San Juan (SJU).

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Live fares · BOS → SJU

Frequently asked questions

  • How long is the flight from Boston to San Juan?

    Direct flights from BOS to SJU cover approximately 2,703 km (1,680 miles), with an estimated flight time of 3h 11m. Operating airlines: B6, DL, NK.

Related guides for this route

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

Full route page: BOS → SJU Cheapest month to fly to San Juan All flights from Boston All flights to San Juan Flights to Puerto Rico Visa-free with USA passport B6 routes DL routes NK routes