$399 Cheap United flights Portland (PDX) to London (LHR)

$399 Cheap United flights Portland (PDX) to London (LHR)

Prices were available within the past 7 days and start at $399 for one-way flights and $648 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 2 - Tue, Aug 19

PDX

Portland

LHR

London

$648 Roundtrip, found 3 days ago

$648

Roundtrip

found 3 days ago

Select United flight, departing Sat, Aug 2 from Portland to London, returning Tue, Aug 19, priced at $648 found 3 days ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland

LHR

London

$698 Roundtrip, found 3 days ago

$698

Roundtrip

found 3 days ago

Select United flight, departing Sat, Aug 2 from Portland to London, returning Tue, Aug 19, priced at $698 found 3 days ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland

LHR

London

$724 Roundtrip, found 3 days ago

$724

Roundtrip

found 3 days ago

Select United flight, departing Sat, Aug 2 from Portland to London, returning Tue, Aug 19, priced at $724 found 3 days ago