$99 Cheap United flights Boston (BOS) to Philadelphia (PHL)

$99 Cheap United flights Boston (BOS) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $99 for one-way flights and $388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 19 - Tue, Jul 22

BOS

Boston

PHL

Philadelphia

$388 Roundtrip, found 1 day ago

$388

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Boston to Philadelphia, returning Tue, Jul 22, priced at $388 found 1 day ago