Cheap United flights St. Louis (STL) to Barcelona (BCN)

Cheap United flights St. Louis (STL) to Barcelona (BCN)

Prices were available within the past 7 days and start at for one-way flights and $489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 24 - Thu, Feb 19

STL

St. Louis

BCN

Barcelona

$489 Roundtrip, found 2 days ago

$489

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jan 24 from St. Louis to Barcelona, returning Thu, Feb 19, priced at $489 found 2 days ago

Thu, Jan 29 - Thu, Feb 19

STL

St. Louis

BCN

Barcelona

$509 Roundtrip, found 2 days ago

$509

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jan 29 from St. Louis to Barcelona, returning Thu, Feb 19, priced at $509 found 2 days ago

Sat, Jan 24 - Mon, Feb 23

STL

St. Louis

BCN

Barcelona

$514 Roundtrip, found 2 days ago

$514

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jan 24 from St. Louis to Barcelona, returning Mon, Feb 23, priced at $514 found 2 days ago

Sun, Jan 25 - Sun, Feb 22

STL

St. Louis

BCN

Barcelona

$669 Roundtrip, found 2 days ago

$669

Roundtrip

found 2 days ago

Select United flight, departing Sun, Jan 25 from St. Louis to Barcelona, returning Sun, Feb 22, priced at $669 found 2 days ago