Cheap flights from Portland to Great Britain

View AU$527 flight on Thu, 11 Sep. 2025Opens in a new window

Popular airlines from Portland to Great Britain

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Portland (PDX) to Great Britain (LON)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 7 Aug. - Mon, 11 Aug.
PDX
Portland
LHR
London
AU$999 Return, found 3 days ago
AU$999
Return
found 3 days ago
Select United flight, departing Thu, 7 Aug. from Portland to London, returning Mon, 11 Aug., priced at AU$999 found 3 days ago
Delta
Thu, 7 Aug. - Mon, 11 Aug.
PDX
Portland
LHR
London
AU$999 Return, found 3 days ago
AU$999
Return
found 3 days ago
Select Delta flight, departing Thu, 7 Aug. from Portland to London, returning Mon, 11 Aug., priced at AU$999 found 3 days ago
Delta
Wed, 10 Sep. - Wed, 24 Sep.
PDX
Portland
EDI
Edinburgh
AU$1,092 Return, found 5 days ago
AU$1,092
Return
found 5 days ago
Select Delta flight, departing Wed, 10 Sep. from Portland to Edinburgh, returning Wed, 24 Sep., priced at AU$1,092 found 5 days ago
Virgin Atlantic
Thu, 7 Aug. - Mon, 11 Aug.
PDX
Portland
LHR
London
AU$1,146 Return, found 3 days ago
AU$1,146
Return
found 3 days ago
Select Virgin Atlantic flight, departing Thu, 7 Aug. from Portland to London, returning Mon, 11 Aug., priced at AU$1,146 found 3 days ago
British Airways
Wed, 10 Sep. - Wed, 24 Sep.
PDX
Portland
EDI
Edinburgh
AU$1,185 Return, found 5 days ago
AU$1,185
Return
found 5 days ago
Select British Airways flight, departing Wed, 10 Sep. from Portland to Edinburgh, returning Wed, 24 Sep., priced at AU$1,185 found 5 days ago
Air Canada
Wed, 10 Sep. - Wed, 24 Sep.
PDX
Portland
EDI
Edinburgh
AU$1,209 Return, found 5 days ago
AU$1,209
Return
found 5 days ago
Select Air Canada flight, departing Wed, 10 Sep. from Portland to Edinburgh, returning Wed, 24 Sep., priced at AU$1,209 found 5 days ago

Find the cheapest month to fly from Portland (PDX) to London (LHR)

October is typically the cheapest month to fly

From AU$765 - AU$1,688 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.