Flights from Portland to London available from USD 527*

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Our best rates from Portland to London

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

Fly in the next three months: flights from Portland to London

USD

Portland (PDX)to

London (LHR)
Feb 16 2026 - Feb 23 2026
From
USD 2,126
Round trip
Economy

Portland (PDX)to

London (LON)
Mar 09 2026 - Mar 18 2026
From
USD 528
Round trip
Economy

Portland (PDX)to

London (LON)
Mar 09 2026 - Mar 20 2026
From
USD 528
Round trip
Economy

Portland (PDX)to

London (LON)
Mar 10 2026 - Mar 20 2026
From
USD 528
Round trip
Economy

Portland (PDX)to

London (LON)
Mar 10 2026 - Mar 18 2026
From
USD 528
Round trip
Economy

Portland (PDX)to

London (LON)
Apr 11 2026 - Apr 20 2026
From
USD 547
Round trip
Economy

Portland (PDX)to

London (LON)
Apr 13 2026 - Apr 29 2026
From
USD 547
Round trip
Economy

Portland (PDX)to

London (LON)
Apr 14 2026 - Apr 20 2026
From
USD 547
Round trip
Economy

Portland (PDX)to

London (LON)
Mar 09 2026 - Mar 13 2026
From
USD 527
Round trip
Economy

Portland (PDX)to

London (LHR)
Mar 29 2026 - Apr 05 2026
From
USD 1,197
Round trip
Economy

Portland (PDX)to

London (LHR)
Apr 09 2026 - Apr 23 2026
From
USD 1,460
Round trip
Economy

Portland (PDX)to

London (LHR)
Mar 14 2026 - Mar 18 2026
From
USD 1,740
Round trip
Economy

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

 

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Flights from Portland, Oregon to London, UK

Big Ben, Buckingham Palace, Bond Street. Explore all that England’s capital has to offer when you fly from Portland to London.

When you travel with Icelandair, you can enjoy plenty of on-board services including an extensive library of in-flight entertainment options, delicious snacks and drinks from the Saga Kitchen, and even extra legroom.

What’s more, Icelandair offers regular flights from Portland to London, meaning you can fly when it’s convenient for you. Use our booking tool above to find times and prices.

 

FAQs about travel from Portland to London

Helpful information for travelers visiting London

How long is the flight from Portland to London?

Flights from Portland to London can take anywhere between 12 and 17 hours depending on how many layovers you’ll have along the route (and how long those layovers last). All transatlantic Icelandair flights include a convenient transfer at Keflavík International Airport, in Iceland.

How do you find cheap flights from Portland to London?

Searching for a saving on your flight to London? Take a look at our flight deals to find the latest airfare offers from Portland to London.

Which London airport will I fly in to?

Icelandair offers regular flights from Portland International Airport (PDX) to both London Heathrow Airport (LHR) and Gatwick Airport (LGW), so you can choose a route that works for you.