Cheap United flights Baltimore (BWI) to Boston (BOS)

Cheap United flights Baltimore (BWI) to Boston (BOS)

Prices were available within the past 7 days and start at for one-way flights and $705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 2 - Sun, Jan 4

BWI

Baltimore

BOS

Boston

$705 Roundtrip, found 5 days ago

$705

Roundtrip

found 5 days ago

Select United flight, departing Fri, Jan 2 from Baltimore to Boston, returning Sun, Jan 4, priced at $705 found 5 days ago