$91 Cheap Frontier Airlines flights Washington (IAD) to Boston (BOS)

$91 Cheap Frontier Airlines flights Washington (IAD) to Boston (BOS)

Prices were available within the past 7 days and start at $91 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 31 - Mon, Nov 3

IAD

Washington

BOS

Boston

$184 Roundtrip, found 12 hours ago

$184

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Washington to Boston, returning Mon, Nov 3, priced at $184 found 12 hours ago

Fri, Oct 31 - Sat, Nov 8

IAD

Washington

BOS

Boston

$198 Roundtrip, found 12 hours ago

$198

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Washington to Boston, returning Sat, Nov 8, priced at $198 found 12 hours ago

Fri, Oct 31 - Thu, Nov 6

IAD

Washington

BOS

Boston

$250 Roundtrip, found 12 hours ago

$250

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Washington to Boston, returning Thu, Nov 6, priced at $250 found 12 hours ago