Flights from Portland to London

Cheapest flights from Portland

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 18 - Fri, Aug 29

PDX

Portland Intl.

LHR

Heathrow

$693 Roundtrip, found 4 days ago

$693

Roundtrip

found 4 days ago

Select Virgin Atlantic flight, departing Mon, Aug 18 from Portland Intl. to Heathrow, returning Fri, Aug 29, priced at $693 found 4 days ago

Mon, Aug 18 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$717 Roundtrip, found 4 days ago

$717

Roundtrip

found 4 days ago

Select Virgin Atlantic flight, departing Mon, Aug 18 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $717 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$753 Roundtrip, found 4 days ago

$753

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $753 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$753 Roundtrip, found 4 days ago

$753

Roundtrip

found 4 days ago

Select British Airways flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $753 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$757 Roundtrip, found 4 days ago

$757

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $757 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$759 Roundtrip, found 4 days ago

$759

Roundtrip

found 4 days ago

Select Air Canada flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $759 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$763 Roundtrip, found 4 days ago

$763

Roundtrip

found 4 days ago

Select British Airways flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $763 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$767 Roundtrip, found 4 days ago

$767

Roundtrip

found 4 days ago

Select United flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $767 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$767 Roundtrip, found 4 days ago

$767

Roundtrip

found 4 days ago

Select Delta flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $767 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$769 Roundtrip, found 4 days ago

$769

Roundtrip

found 4 days ago

Select Air Canada flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $769 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$839 Roundtrip, found 4 days ago

$839

Roundtrip

found 4 days ago

Select KLM flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $839 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$950 Roundtrip, found 4 days ago

$950

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $950 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$967 Roundtrip, found 4 days ago

$967

Roundtrip

found 4 days ago

Select Lufthansa flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $967 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$981 Roundtrip, found 4 days ago

$981

Roundtrip

found 4 days ago

Select Iberia flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $981 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$1,005 Roundtrip, found 4 days ago

$1,005

Roundtrip

found 4 days ago

Select Finnair flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $1,005 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$1,054 Roundtrip, found 4 days ago

$1,054

Roundtrip

found 4 days ago

Select Brussels Airlines flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $1,054 found 4 days ago

Fri, May 9 - Sat, May 10

PDX

Portland Intl.

LHR

Heathrow

$1,111 Roundtrip, found 4 days ago

$1,111

Roundtrip

found 4 days ago

Select Icelandair flight, departing Fri, May 9 from Portland Intl. to Heathrow, returning Sat, May 10, priced at $1,111 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$1,112 Roundtrip, found 4 days ago

$1,112

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $1,112 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$1,414 Roundtrip, found 4 days ago

$1,414

Roundtrip

found 4 days ago

Select Air France flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $1,414 found 4 days ago

Sun, Aug 17 - Mon, Sep 1

PDX

Portland Intl.

LHR

Heathrow

$1,928 Roundtrip, found 4 days ago

$1,928

Roundtrip

found 4 days ago

Select Aer Lingus flight, departing Sun, Aug 17 from Portland Intl. to Heathrow, returning Mon, Sep 1, priced at $1,928 found 4 days ago