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 $730 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 22 - Wed, Mar 4

STL

St. Louis

LHR

London

$730 Roundtrip, found 2 days ago

$730

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 22 from St. Louis to London, returning Wed, Mar 4, priced at $730 found 2 days ago

Sun, Feb 22 - Fri, Mar 6

STL

St. Louis

LHR

London

$730 Roundtrip, found 2 days ago

$730

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 22 from St. Louis to London, returning Fri, Mar 6, priced at $730 found 2 days ago

Sun, Feb 22 - Tue, Mar 3

STL

St. Louis

LHR

London

$747 Roundtrip, found 2 days ago

$747

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 22 from St. Louis to London, returning Tue, Mar 3, priced at $747 found 2 days ago

Sat, Feb 21 - Wed, Mar 4

STL

St. Louis

LHR

London

$780 Roundtrip, found 2 days ago

$780

Roundtrip

found 2 days ago

Select United flight, departing Sat, Feb 21 from St. Louis to London, returning Wed, Mar 4, priced at $780 found 2 days ago

Sat, Feb 21 - Tue, Mar 3

STL

St. Louis

LHR

London

$797 Roundtrip, found 2 days ago

$797

Roundtrip

found 2 days ago

Select United flight, departing Sat, Feb 21 from St. Louis to London, returning Tue, Mar 3, priced at $797 found 2 days ago

Sun, Feb 22 - Mon, Mar 2

STL

St. Louis

LHR

London

$799 Roundtrip, found 2 days ago

$799

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 22 from St. Louis to London, returning Mon, Mar 2, priced at $799 found 2 days ago

Sun, Feb 22 - Sun, Mar 1

STL

St. Louis

LHR

London

$800 Roundtrip, found 2 days ago

$800

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 22 from St. Louis to London, returning Sun, Mar 1, priced at $800 found 2 days ago

Wed, Jul 8 - Tue, Jul 21

STL

St. Louis

LHR

London

$850 Roundtrip, found 3 days ago

$850

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jul 8 from St. Louis to London, returning Tue, Jul 21, priced at $850 found 3 days ago

Fri, Apr 3 - Sat, Apr 11

STL

St. Louis

LHR

London

$863 Roundtrip, found 1 day ago

$863

Roundtrip

found 1 day ago

Select United flight, departing Fri, Apr 3 from St. Louis to London, returning Sat, Apr 11, priced at $863 found 1 day ago

Fri, Apr 3 - Sat, Apr 11

STL

St. Louis

LHR

London

$894 Roundtrip, found 1 day ago

$894

Roundtrip

found 1 day ago

Select United flight, departing Fri, Apr 3 from St. Louis to London, returning Sat, Apr 11, priced at $894 found 1 day ago

Fri, Apr 3 - Sat, Apr 11

STL

St. Louis

LHR

London

$928 Roundtrip, found 1 day ago

$928

Roundtrip

found 1 day ago

Select United flight, departing Fri, Apr 3 from St. Louis to London, returning Sat, Apr 11, priced at $928 found 1 day ago

Fri, Apr 3 - Sat, Apr 11

STL

St. Louis

LHR

London

$932 Roundtrip, found 1 day ago

$932

Roundtrip

found 1 day ago

Select United flight, departing Fri, Apr 3 from St. Louis to London, returning Sat, Apr 11, priced at $932 found 1 day ago