$428 Cheap United flights Portland (PDX) to London (LHR)

$428 Cheap United flights Portland (PDX) to London (LHR)

Prices were available within the past 7 days and start at $428 for one-way flights and $588 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 14 - Wed, Oct 29

PDX

Portland

LHR

London

$588 Roundtrip, found 4 days ago

$588

Roundtrip

found 4 days ago

Select United flight, departing Tue, Oct 14 from Portland to London, returning Wed, Oct 29, priced at $588 found 4 days ago

Sun, Sep 14 - Tue, Sep 23

PDX

Portland

LHR

London

$595 Roundtrip, found 4 days ago

$595

Roundtrip

found 4 days ago

Select United flight, departing Sun, Sep 14 from Portland to London, returning Tue, Sep 23, priced at $595 found 4 days ago

Tue, Oct 14 - Tue, Oct 28

PDX

Portland

LHR

London

$595 Roundtrip, found 4 days ago

$595

Roundtrip

found 4 days ago

Select United flight, departing Tue, Oct 14 from Portland to London, returning Tue, Oct 28, priced at $595 found 4 days ago

Sun, Sep 14 - Sun, Sep 21

PDX

Portland

LHR

London

$604 Roundtrip, found 4 days ago

$604

Roundtrip

found 4 days ago

Select United flight, departing Sun, Sep 14 from Portland to London, returning Sun, Sep 21, priced at $604 found 4 days ago

Fri, Oct 17 - Fri, Oct 31

PDX

Portland

LHR

London

$609 Roundtrip, found 4 days ago

$609

Roundtrip

found 4 days ago

Select United flight, departing Fri, Oct 17 from Portland to London, returning Fri, Oct 31, priced at $609 found 4 days ago

Fri, Oct 17 - Fri, Oct 31

PDX

Portland

LHR

London

$614 Roundtrip, found 4 days ago

$614

Roundtrip

found 4 days ago

Select United flight, departing Fri, Oct 17 from Portland to London, returning Fri, Oct 31, priced at $614 found 4 days ago

Thu, Sep 11 - Tue, Sep 23

PDX

Portland

LHR

London

$645 Roundtrip, found 4 days ago

$645

Roundtrip

found 4 days ago

Select United flight, departing Thu, Sep 11 from Portland to London, returning Tue, Sep 23, priced at $645 found 4 days ago

Mon, Sep 1 - Thu, Sep 11

PDX

Portland

LHR

London

$654 Roundtrip, found 1 day ago

$654

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 1 from Portland to London, returning Thu, Sep 11, priced at $654 found 1 day ago

Fri, Oct 17 - Fri, Oct 31

PDX

Portland

LHR

London

$659 Roundtrip, found 4 days ago

$659

Roundtrip

found 4 days ago

Select United flight, departing Fri, Oct 17 from Portland to London, returning Fri, Oct 31, priced at $659 found 4 days ago

Sun, Sep 14 - Sun, Sep 21

PDX

Portland

LHR

London

$664 Roundtrip, found 4 days ago

$664

Roundtrip

found 4 days ago

Select United flight, departing Sun, Sep 14 from Portland to London, returning Sun, Sep 21, priced at $664 found 4 days ago