Cheap flights from Baltimore to Boston

Cheapest current fares: $250 in August 2026, 593 km direct flight in ~42m.

Last updated · By

Live fares · BWI → BOS

Cheapest month-by-month fares

Lowest available fare per calendar month from Baltimore (BWI) to Boston (BOS). Refreshed daily.

Baltimore (BWI) → Boston (BOS)

  1. August 2026 $250

Frequently asked questions

  • What is the cheapest month to fly from Baltimore to Boston?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Baltimore (BWI) to Boston (BOS), with fares starting from $250.

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

    The lowest currently-listed fare from Baltimore (BWI) to Boston (BOS) is $250 on 2026-08-17.

  • How long is the flight from Baltimore to Boston?

    Direct flights from BWI to BOS cover approximately 593 km (368 miles), with an estimated flight time of 42m. Operating airlines: DL, NK, WN.

Related guides for this route

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

Full route page: BWI → BOS Cheapest month to fly to Boston All flights from Baltimore All flights to Boston Flights to USA Visa-free with USA passport DL routes NK routes WN routes