Flights from Portland to Harpenden

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.

Tue, Nov 25 - Sat, Dec 13

PDX

Portland Intl.

LHR

Heathrow

$598 Roundtrip, found 3 days ago

$598

Roundtrip

found 3 days ago

Select Icelandair flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Sat, Dec 13, priced at $598 found 3 days ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$610 Roundtrip, found 14 hours ago

$610

Roundtrip

found 14 hours ago

Select Icelandair flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $610 found 14 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$668 Roundtrip, found 3 days ago

$668

Roundtrip

found 3 days ago

Select British Airways flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $668 found 3 days ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$668 Roundtrip, found 3 days ago

$668

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $668 found 3 days ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$671 Roundtrip, found 14 hours ago

$671

Roundtrip

found 14 hours ago

Select United flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $671 found 14 hours ago

Mon, Aug 25 - Fri, Sep 5

PDX

Portland Intl.

LHR

Heathrow

$674 Roundtrip, found 14 hours ago

$674

Roundtrip

found 14 hours ago

Select Virgin Atlantic flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Fri, Sep 5, priced at $674 found 14 hours ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$678 Roundtrip, found 14 hours ago

$678

Roundtrip

found 14 hours ago

Select Delta flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $678 found 14 hours ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$681 Roundtrip, found 14 hours ago

$681

Roundtrip

found 14 hours ago

Select United flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $681 found 14 hours ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$701 Roundtrip, found 4 days ago

$701

Roundtrip

found 4 days ago

Select American Airlines flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $701 found 4 days ago

Tue, Nov 25 - Sat, Dec 13

PDX

Portland Intl.

LHR

Heathrow

$781 Roundtrip, found 3 days ago

$781

Roundtrip

found 3 days ago

Select KLM flight, departing Tue, Nov 25 from Portland Intl. to Heathrow, returning Sat, Dec 13, priced at $781 found 3 days ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$852 Roundtrip, found 14 hours ago

$852

Roundtrip

found 14 hours ago

Select Air Canada flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $852 found 14 hours ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$882 Roundtrip, found 3 days ago

$882

Roundtrip

found 3 days ago

Select Lufthansa flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $882 found 3 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$885 Roundtrip, found 4 days ago

$885

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $885 found 4 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$902 Roundtrip, found 4 days ago

$902

Roundtrip

found 4 days ago

Select Iberia flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $902 found 4 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$904 Roundtrip, found 4 days ago

$904

Roundtrip

found 4 days ago

Select Finnair flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $904 found 4 days ago

Tue, Sep 2 - Tue, Sep 9

PDX

Portland Intl.

LHR

Heathrow

$917 Roundtrip, found 3 days ago

$917

Roundtrip

found 3 days ago

Select Brussels Airlines flight, departing Tue, Sep 2 from Portland Intl. to Heathrow, returning Tue, Sep 9, priced at $917 found 3 days ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$932 Roundtrip, found 14 hours ago

$932

Roundtrip

found 14 hours ago

Select Swiss International Air Lines flight, departing Wed, Aug 27 from Portland Intl. to Heathrow, returning Thu, Sep 4, priced at $932 found 14 hours ago

Sat, Nov 22 - Wed, Dec 10

PDX

Portland Intl.

LHR

Heathrow

$1,070 Roundtrip, found 2 days ago

$1,070

Roundtrip

found 2 days ago

Select Air France flight, departing Sat, Nov 22 from Portland Intl. to Heathrow, returning Wed, Dec 10, priced at $1,070 found 2 days ago

Fri, Jun 27 - Wed, Jul 2

PDX

Portland Intl.

LHR

Heathrow

$1,275 Roundtrip, found 3 days ago

$1,275

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Fri, Jun 27 from Portland Intl. to Heathrow, returning Wed, Jul 2, priced at $1,275 found 3 days ago

Mon, Aug 25 - Tue, Sep 2

PDX

Portland Intl.

LHR

Heathrow

$1,581 Roundtrip, found 4 days ago

$1,581

Roundtrip

found 4 days ago

Select Aer Lingus flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Tue, Sep 2, priced at $1,581 found 4 days ago