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 $647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Wed, Oct 1

STL

St. Louis

LHR

London

$647 Roundtrip, found 21 hours ago

$647

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Sep 22 from St. Louis to London, returning Wed, Oct 1, priced at $647 found 21 hours ago

Mon, Sep 22 - Wed, Oct 1

STL

St. Louis

LHR

London

$650 Roundtrip, found 21 hours ago

$650

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Sep 22 from St. Louis to London, returning Wed, Oct 1, priced at $650 found 21 hours ago

Mon, Sep 22 - Wed, Oct 1

STL

St. Louis

LHR

London

$700 Roundtrip, found 21 hours ago

$700

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Sep 22 from St. Louis to London, returning Wed, Oct 1, priced at $700 found 21 hours ago

Mon, Sep 22 - Wed, Oct 1

STL

St. Louis

LHR

London

$702 Roundtrip, found 21 hours ago

$702

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Sep 22 from St. Louis to London, returning Wed, Oct 1, priced at $702 found 21 hours ago