Cheap flights from London to Willamette Valley

View AU$1,048 flight on Thu, 4 Sep. 2025Opens in a new window

Popular airlines from London to Willamette Valley

  • Icelandair

    Icelandair

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Finnair

    Finnair

  • British Airways

    British Airways

  • Delta

    Delta

  • Iberia

    Iberia

  • 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 London (LON) to Willamette Valley (RDM)

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.

Icelandair
Thu, 4 Sep. - Thu, 11 Sep.
LHR
London
PDX
Portland
AU$1,105 Return, found 1 day ago
AU$1,105
Return
found 1 day ago
Select Icelandair flight, departing Thu, 4 Sep. from London to Portland, returning Thu, 11 Sep., priced at AU$1,105 found 1 day ago
Icelandair
Thu, 4 Sep. - Thu, 11 Sep.
LGW
London
PDX
Portland
AU$1,116 Return, found 1 day ago
AU$1,116
Return
found 1 day ago
Select Icelandair flight, departing Thu, 4 Sep. from London to Portland, returning Thu, 11 Sep., priced at AU$1,116 found 1 day ago
Air Canada
Thu, 2 Oct. - Sun, 5 Oct.
LHR
London
PDX
Portland
AU$1,160 Return, found 1 day ago
AU$1,160
Return
found 1 day ago
Select Air Canada flight, departing Thu, 2 Oct. from London to Portland, returning Sun, 5 Oct., priced at AU$1,160 found 1 day ago
United
Thu, 2 Oct. - Sun, 5 Oct.
LHR
London
PDX
Portland
AU$1,178 Return, found 1 day ago
AU$1,178
Return
found 1 day ago
Select United flight, departing Thu, 2 Oct. from London to Portland, returning Sun, 5 Oct., priced at AU$1,178 found 1 day ago
American Airlines
Tue, 14 Apr. - Tue, 21 Apr.
LHR
London
PDX
Portland
AU$1,219 Return, found 3 days ago
AU$1,219
Return
found 3 days ago
Select American Airlines flight, departing Tue, 14 Apr. from London to Portland, returning Tue, 21 Apr., priced at AU$1,219 found 3 days ago
Lufthansa
Thu, 2 Oct. - Sun, 5 Oct.
LHR
London
PDX
Portland
AU$1,225 Return, found 1 day ago
AU$1,225
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 2 Oct. from London to Portland, returning Sun, 5 Oct., priced at AU$1,225 found 1 day ago

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

May is typically the cheapest month to fly

From AU$860 - AU$1,670 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.