$214 Cheap United flights St. Louis (STL) to Boston (BOS)

$214 Cheap United flights St. Louis (STL) to Boston (BOS)

Prices were available within the past 7 days and start at $214 for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 22 - Sat, Oct 24

STL

St. Louis

BOS

Boston

$324 Roundtrip, found 14 hours ago

$324

Roundtrip

found 14 hours ago

Select United flight, departing Thu, Oct 22 from St. Louis to Boston, returning Sat, Oct 24, priced at $324 found 14 hours ago

Thu, Oct 22 - Sat, Oct 24

STL

St. Louis

BOS

Boston

$344 Roundtrip, found 14 hours ago

$344

Roundtrip

found 14 hours ago

Select United flight, departing Thu, Oct 22 from St. Louis to Boston, returning Sat, Oct 24, priced at $344 found 14 hours ago

Thu, Oct 22 - Sat, Oct 24

STL

St. Louis

BOS

Boston

$345 Roundtrip, found 14 hours ago

$345

Roundtrip

found 14 hours ago

Select United flight, departing Thu, Oct 22 from St. Louis to Boston, returning Sat, Oct 24, priced at $345 found 14 hours ago