$351 Cheap United flights Boston (BOS) to Rapid City (RAP)

$351 Cheap United flights Boston (BOS) to Rapid City (RAP)

Prices were available within the past 7 days and start at $351 for one-way flights and $566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 19 - Wed, May 20

BOS

Boston

RAP

Rapid City

$566 Roundtrip, found 16 hours ago

$566

Roundtrip

found 16 hours ago

Select United flight, departing Tue, May 19 from Boston to Rapid City, returning Wed, May 20, priced at $566 found 16 hours ago

Wed, May 20 - Sat, May 30

BOS

Boston

RAP

Rapid City

$625 Roundtrip, found 16 hours ago

$625

Roundtrip

found 16 hours ago

Select United flight, departing Wed, May 20 from Boston to Rapid City, returning Sat, May 30, priced at $625 found 16 hours ago