Flights from Portland to Thornton Heath

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.

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$610 Roundtrip, found 4 days ago

$610

Roundtrip

found 4 days ago

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

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$671 Roundtrip, found 4 days ago

$671

Roundtrip

found 4 days ago

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

Sat, Nov 22 - Wed, Dec 10

PDX

Portland Intl.

LHR

Heathrow

$673 Roundtrip, found 6 days ago

$673

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Nov 22 from Portland Intl. to Heathrow, returning Wed, Dec 10, priced at $673 found 6 days ago

Mon, Aug 25 - Fri, Sep 5

PDX

Portland Intl.

LHR

Heathrow

$674 Roundtrip, found 4 days ago

$674

Roundtrip

found 4 days ago

Select Virgin Atlantic flight, departing Mon, Aug 25 from Portland Intl. to Heathrow, returning Fri, Sep 5, priced at $674 found 4 days ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland Intl.

LHR

Heathrow

$676 Roundtrip, found 1 day ago

$676

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 2 from Portland Intl. to Heathrow, returning Tue, Aug 19, priced at $676 found 1 day ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$678 Roundtrip, found 4 days ago

$678

Roundtrip

found 4 days ago

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

Sat, Nov 22 - Wed, Dec 10

PDX

Portland Intl.

LHR

Heathrow

$679 Roundtrip, found 6 days ago

$679

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Nov 22 from Portland Intl. to Heathrow, returning Wed, Dec 10, priced at $679 found 6 days ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland Intl.

LHR

Heathrow

$679 Roundtrip, found 1 day ago

$679

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 2 from Portland Intl. to Heathrow, returning Tue, Aug 19, priced at $679 found 1 day ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$681 Roundtrip, found 4 days ago

$681

Roundtrip

found 4 days ago

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

Fri, Nov 28 - Fri, Dec 12

PDX

Portland Intl.

LHR

Heathrow

$712 Roundtrip, found 20 hours ago

$712

Roundtrip

found 20 hours ago

Select British Airways flight, departing Fri, Nov 28 from Portland Intl. to Heathrow, returning Fri, Dec 12, priced at $712 found 20 hours ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland Intl.

LHR

Heathrow

$738 Roundtrip, found 1 day ago

$738

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Sat, Aug 2 from Portland Intl. to Heathrow, returning Tue, Aug 19, priced at $738 found 1 day ago

Fri, Nov 28 - Fri, Dec 12

PDX

Portland Intl.

LHR

Heathrow

$774 Roundtrip, found 20 hours ago

$774

Roundtrip

found 20 hours ago

Select KLM flight, departing Fri, Nov 28 from Portland Intl. to Heathrow, returning Fri, Dec 12, priced at $774 found 20 hours ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$852 Roundtrip, found 4 days ago

$852

Roundtrip

found 4 days ago

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

Fri, Jul 25 - Sat, Aug 16

PDX

Portland Intl.

LHR

Heathrow

$918 Roundtrip, found 1 day ago

$918

Roundtrip

found 1 day ago

Select Air France flight, departing Fri, Jul 25 from Portland Intl. to Heathrow, returning Sat, Aug 16, priced at $918 found 1 day ago

Wed, Aug 27 - Thu, Sep 4

PDX

Portland Intl.

LHR

Heathrow

$932 Roundtrip, found 4 days ago

$932

Roundtrip

found 4 days ago

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

Fri, Nov 28 - Fri, Dec 12

PDX

Portland Intl.

LHR

Heathrow

$954 Roundtrip, found 20 hours ago

$954

Roundtrip

found 20 hours ago

Select Iberia flight, departing Fri, Nov 28 from Portland Intl. to Heathrow, returning Fri, Dec 12, priced at $954 found 20 hours ago

Fri, Nov 28 - Fri, Dec 12

PDX

Portland Intl.

LHR

Heathrow

$1,024 Roundtrip, found 20 hours ago

$1,024

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Fri, Nov 28 from Portland Intl. to Heathrow, returning Fri, Dec 12, priced at $1,024 found 20 hours ago

Fri, Jul 25 - Sat, Aug 16

PDX

Portland Intl.

LHR

Heathrow

$1,096 Roundtrip, found 1 day ago

$1,096

Roundtrip

found 1 day ago

Select Finnair flight, departing Fri, Jul 25 from Portland Intl. to Heathrow, returning Sat, Aug 16, priced at $1,096 found 1 day ago

Sat, Aug 2 - Tue, Aug 19

PDX

Portland Intl.

LHR

Heathrow

$1,298 Roundtrip, found 1 day ago

$1,298

Roundtrip

found 1 day ago

Select Scandinavian Airlines flight, departing Sat, Aug 2 from Portland Intl. to Heathrow, returning Tue, Aug 19, priced at $1,298 found 1 day ago

Fri, Nov 28 - Fri, Dec 12

PDX

Portland Intl.

LHR

Heathrow

$1,540 Roundtrip, found 20 hours ago

$1,540

Roundtrip

found 20 hours ago

Select Aer Lingus flight, departing Fri, Nov 28 from Portland Intl. to Heathrow, returning Fri, Dec 12, priced at $1,540 found 20 hours ago