Cheap United flights St. Louis (STL) to London (LHR)

Cheap United flights St. Louis (STL) to London (LHR)

Prices were available within the past 7 days and start at for one-way flights and $734 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Wed, Sep 3

STL

St. Louis

LHR

London

$734 Roundtrip, found 19 hours ago

$734

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Jul 22 from St. Louis to London, returning Wed, Sep 3, priced at $734 found 19 hours ago

Tue, Jul 22 - Sat, Sep 6

STL

St. Louis

LHR

London

$784 Roundtrip, found 19 hours ago

$784

Roundtrip

found 19 hours ago

Select United flight, departing Tue, Jul 22 from St. Louis to London, returning Sat, Sep 6, priced at $784 found 19 hours ago