$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 $649 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Mar 15 - Tue, Mar 24

PDX

Portland

LHR

London

$649 Roundtrip, found 1 day ago

$649

Roundtrip

found 1 day ago

Select United flight, departing Sun, Mar 15 from Portland to London, returning Tue, Mar 24, priced at $649 found 1 day ago

Wed, Mar 18 - Thu, Mar 26

PDX

Portland

LHR

London

$654 Roundtrip, found 1 day ago

$654

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 18 from Portland to London, returning Thu, Mar 26, priced at $654 found 1 day ago

Mon, Apr 6 - Fri, Apr 17

PDX

Portland

LHR

London

$663 Roundtrip, found 4 days ago

$663

Roundtrip

found 4 days ago

Select United flight, departing Mon, Apr 6 from Portland to London, returning Fri, Apr 17, priced at $663 found 4 days ago

Thu, Mar 19 - Thu, Mar 26

PDX

Portland

LHR

London

$704 Roundtrip, found 1 day ago

$704

Roundtrip

found 1 day ago

Select United flight, departing Thu, Mar 19 from Portland to London, returning Thu, Mar 26, priced at $704 found 1 day ago

Mon, Apr 6 - Fri, Apr 17

PDX

Portland

LHR

London

$741 Roundtrip, found 4 days ago

$741

Roundtrip

found 4 days ago

Select United flight, departing Mon, Apr 6 from Portland to London, returning Fri, Apr 17, priced at $741 found 4 days ago

Wed, Mar 18 - Tue, Mar 24

PDX

Portland

LHR

London

$743 Roundtrip, found 1 day ago

$743

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 18 from Portland to London, returning Tue, Mar 24, priced at $743 found 1 day ago