Flights from Portland to London available from USD 838*

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Our best rates from Portland to London

Jun 2026
FromUSD 1,580*
Fare: Round trip/Economy
Jul 2026
FromUSD 922*
Fare: Round trip/Economy
Aug 2026
FromUSD 923*
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 (LON)
    Sep 05 2026 - Sep 11 2026
    From
    USD 885
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Aug 28 2026 - Aug 31 2026
    From
    USD 946
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Jul 24 2026 - Aug 12 2026
    From
    USD 922
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Aug 28 2026 - Sep 02 2026
    From
    USD 923
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 03 2026 - Sep 08 2026
    From
    USD 993
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Jul 09 2026 - Jul 22 2026
    From
    USD 1,306
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Jun 30 2026 - Jul 07 2026
    From
    USD 1,580
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Jul 17 2026 - Jul 30 2026
    From
    USD 1,170
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Jun 29 2026 - Jul 06 2026
    From
    USD 2,131
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 16 2026 - Sep 29 2026
    From
    USD 853
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Jul 18 2026 - Jul 26 2026
    From
    USD 1,734
    Round trip
    Economy

    Portland (PDX)to

    London (LGW)
    Sep 16 2026 - Sep 29 2026
    From
    USD 854
    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    		Jan 29 2027 - Feb 06 2027

    From

    USD 859

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Mar 13 2027 - Mar 25 2027

    From

    USD 859

    Viewed 22 hrs 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.