Flights from Portland to London available from USD 761*

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Our best rates from Portland to London

Jun 2026
FromUSD 1,909*
Fare: Round trip/Economy
Jul 2026
FromUSD 1,314*
Fare: Round trip/Economy
Aug 2026
FromUSD 1,008*
Fare: Round trip/Economy
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    • *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)
    Sep 03 2026 - Sep 10 2026
    From
    USD 985
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Aug 16 2026 - Aug 30 2026
    From
    USD 1,008
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 17 2026 - Nov 01 2026
    From
    USD 1,012
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 17 2026 - Nov 04 2026
    From
    USD 1,012
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 17 2026 - Nov 02 2026
    From
    USD 1,170
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Aug 17 2026 - Aug 30 2026
    From
    USD 1,307
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 02 2026 - Sep 24 2026
    From
    USD 821
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 04 2026 - Sep 11 2026
    From
    USD 857
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 04 2026 - Sep 09 2026
    From
    USD 857
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 04 2026 - Sep 16 2026
    From
    USD 857
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 04 2026 - Sep 24 2026
    From
    USD 859
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Jun 28 2026 - Jul 10 2026
    From
    USD 1,909
    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.

     

    Plan ahead for your trip from Portland to London with Icelandair

    USD
    Plan ahead for your trip from Portland to London with Icelandair
    From
    To
    Fare type
    Dates
    Price
    Portland (PDX)London (LON)Round trip
    /
    Economy    		May 14 2027 - May 21 2027

    From

    USD 1,089

    Viewed 1 day ago

    *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.

    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.