Flights from London to Portland available from GBP 778*

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Our best rates from London to Portland

Jul 2026
FromGBP 906*
Fare: Round trip/Economy
Aug 2026
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Sep 2026
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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 London to Portland

    GBP

    London (LON)to

    Portland (PDX)
    10 07 2026 - 05 08 2026
    From
    GBP 906
    Round trip
    Economy
    *Fares displayed have been collected within the last 72 hours 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 London to Portland with Icelandair

    GBP
    Plan ahead for your trip from London to Portland with Icelandair
    From
    To
    Fare type
    Dates
    Price
    London (LON)Portland (PDX)Round trip
    /
    Economy    		02 04 2027 - 16 04 2027

    From

    GBP 828

    Viewed 1 day ago

    London (LGW)Portland (PDX)Round trip
    /
    Economy    		17 05 2027 - 30 05 2027

    From

    GBP 778

    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 London, UK to Portland, Oregon

    Take in a city that’s famous for its unique culture and art scene with flights from London to Portland.

    Travel in style with Icelandair and enjoy Wi-Fi access on most aircraft, ample in-flight entertainment options, and a range of authentic Icelandic snacks.

    Icelandair offers regular flights from London, UK, to Portland, Oregon, so you can fly when it works for you.

     

    FAQs about travel from London to Portland

    Helpful information for travellers visiting Portland

    What is the flight time from London to Portland?

    The flight from London to Portland can be anywhere between 10 and 18 hours, with most routes including at least one layover along the way.

    Icelandair flights include a convenient transfer at Keflavík International Airport, our hub just outside of Reykjavík.

    How do you find cheap flights from London to Portland?

    If you’re flexible about when you travel, browse our flight deals to see the latest offers on flights from London to Portland.

    Does Icelandair offer flights from London Heathrow to Portland, Oregon?

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