Cheap flights from Portland to Poole

View AU$415 flight on Mon, 18 Aug. 2025Opens in a new window

Popular airlines from Portland to Poole

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland (PDX) to Poole (LHR)

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.

Delta
Wed, 20 Aug. - Wed, 27 Aug.
PDX
Portland
LHR
London
AU$824 Return, found 4 days ago
AU$824
Return
found 4 days ago
Select Delta flight, departing Wed, 20 Aug. from Portland to London, returning Wed, 27 Aug., priced at AU$824 found 4 days ago
United
Wed, 20 Aug. - Wed, 27 Aug.
PDX
Portland
LHR
London
AU$826 Return, found 4 days ago
AU$826
Return
found 4 days ago
Select United flight, departing Wed, 20 Aug. from Portland to London, returning Wed, 27 Aug., priced at AU$826 found 4 days ago
Virgin Atlantic
Wed, 20 Aug. - Wed, 27 Aug.
PDX
Portland
LHR
London
AU$842 Return, found 4 days ago
AU$842
Return
found 4 days ago
Select Virgin Atlantic flight, departing Wed, 20 Aug. from Portland to London, returning Wed, 27 Aug., priced at AU$842 found 4 days ago
KLM
Wed, 20 Aug. - Wed, 27 Aug.
PDX
Portland
LHR
London
AU$903 Return, found 4 days ago
AU$903
Return
found 4 days ago
Select KLM flight, departing Wed, 20 Aug. from Portland to London, returning Wed, 27 Aug., priced at AU$903 found 4 days ago
British Airways
Mon, 25 Aug. - Mon, 1 Sep.
PDX
Portland
LHR
London
AU$958 Return, found 6 days ago
AU$958
Return
found 6 days ago
Select British Airways flight, departing Mon, 25 Aug. from Portland to London, returning Mon, 1 Sep., priced at AU$958 found 6 days ago
Icelandair
Wed, 20 Aug. - Wed, 27 Aug.
PDX
Portland
LHR
London
AU$1,002 Return, found 4 days ago
AU$1,002
Return
found 4 days ago
Select Icelandair flight, departing Wed, 20 Aug. from Portland to London, returning Wed, 27 Aug., priced at AU$1,002 found 4 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.