$426 Cheap United flights Louisville (SDF) to London (LHR)

$426 Cheap United flights Louisville (SDF) to London (LHR)

Prices were available within the past 7 days and start at $426 for one-way flights and $694 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Wed, Sep 17

SDF

Louisville

LHR

London

$694 Roundtrip, found 1 day ago

$694

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 9 from Louisville to London, returning Wed, Sep 17, priced at $694 found 1 day ago

Tue, Sep 9 - Wed, Sep 17

SDF

Louisville

LHR

London

$722 Roundtrip, found 1 day ago

$722

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 9 from Louisville to London, returning Wed, Sep 17, priced at $722 found 1 day ago

Fri, Sep 12 - Sat, Sep 20

SDF

Louisville

LHR

London

$793 Roundtrip, found 3 days ago

$793

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Louisville to London, returning Sat, Sep 20, priced at $793 found 3 days ago