$144 Cheap American Airlines flights St. Louis (STL) to Boston (BOS)

$144 Cheap American Airlines flights St. Louis (STL) to Boston (BOS)

Prices were available within the past 7 days and start at $144 for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Wed, Aug 20

STL

St. Louis

BOS

Boston

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 14 from St. Louis to Boston, returning Wed, Aug 20, priced at $323 found 1 day ago

Sat, Aug 16 - Sat, Aug 23

STL

St. Louis

BOS

Boston

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 16 from St. Louis to Boston, returning Sat, Aug 23, priced at $347 found 1 day ago

Sat, Aug 16 - Mon, Aug 18

STL

St. Louis

BOS

Boston

$377 Roundtrip, found 1 day ago

$377

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 16 from St. Louis to Boston, returning Mon, Aug 18, priced at $377 found 1 day ago

Thu, Aug 14 - Wed, Aug 20

STL

St. Louis

BOS

Boston

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 14 from St. Louis to Boston, returning Wed, Aug 20, priced at $384 found 1 day ago