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 $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 15 - Wed, Mar 4

STL

St. Louis

LHR

London

$635 Roundtrip, found 13 hours ago

$635

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Feb 15 from St. Louis to London, returning Wed, Mar 4, priced at $635 found 13 hours ago

Sun, Feb 15 - Fri, Feb 27

STL

St. Louis

LHR

London

$659 Roundtrip, found 13 hours ago

$659

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Feb 15 from St. Louis to London, returning Fri, Feb 27, priced at $659 found 13 hours ago

Sun, Feb 15 - Sun, Mar 1

STL

St. Louis

LHR

London

$685 Roundtrip, found 13 hours ago

$685

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Feb 15 from St. Louis to London, returning Sun, Mar 1, priced at $685 found 13 hours ago

Sun, Feb 15 - Mon, Mar 2

STL

St. Louis

LHR

London

$709 Roundtrip, found 13 hours ago

$709

Roundtrip

found 13 hours ago

Select United flight, departing Sun, Feb 15 from St. Louis to London, returning Mon, Mar 2, priced at $709 found 13 hours ago

Fri, Feb 27 - Sun, Mar 15

STL

St. Louis

LHR

London

$735 Roundtrip, found 13 hours ago

$735

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Feb 27 from St. Louis to London, returning Sun, Mar 15, priced at $735 found 13 hours ago

Fri, Feb 27 - Sat, Mar 14

STL

St. Louis

LHR

London

$759 Roundtrip, found 13 hours ago

$759

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Feb 27 from St. Louis to London, returning Sat, Mar 14, priced at $759 found 13 hours ago

Thu, Feb 12 - Sun, Mar 1

STL

St. Louis

LHR

London

$761 Roundtrip, found 13 hours ago

$761

Roundtrip

found 13 hours ago

Select United flight, departing Thu, Feb 12 from St. Louis to London, returning Sun, Mar 1, priced at $761 found 13 hours ago

Thu, Feb 12 - Sat, Feb 28

STL

St. Louis

LHR

London

$763 Roundtrip, found 13 hours ago

$763

Roundtrip

found 13 hours ago

Select United flight, departing Thu, Feb 12 from St. Louis to London, returning Sat, Feb 28, priced at $763 found 13 hours ago