Cheap United flights Billings (BIL) to Boston (BOS)

Cheap United flights Billings (BIL) to Boston (BOS)

Prices were available within the past 7 days and start at for one-way flights and $555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 14 - Fri, Jul 18

BIL

Billings

BOS

Boston

$555 Roundtrip, found 2 days ago

$555

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jul 14 from Billings to Boston, returning Fri, Jul 18, priced at $555 found 2 days ago

Sat, Jul 19 - Sat, Jul 19

BIL

Billings

BOS

Boston

$841 Roundtrip, found 2 days ago

$841

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jul 19 from Billings to Boston, returning Sat, Jul 19, priced at $841 found 2 days ago