$147 Cheap Frontier Airlines flights Boston (BOS) to Washington (IAD)

$147 Cheap Frontier Airlines flights Boston (BOS) to Washington (IAD)

Prices were available within the past 7 days and start at $147 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 2 - Sun, Apr 5

BOS

Boston

IAD

Washington

$289 Roundtrip, found 2 days ago

$289

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Apr 2 from Boston to Washington, returning Sun, Apr 5, priced at $289 found 2 days ago

Fri, Apr 3 - Wed, Apr 8

BOS

Boston

IAD

Washington

$291 Roundtrip, found 2 days ago

$291

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Apr 3 from Boston to Washington, returning Wed, Apr 8, priced at $291 found 2 days ago