Flights from Portland to London available from USD 675*

Promo code

Our best rates from Portland to London

Jul 2026
FromUSD 856*
Fare: Round trip/Economy
Aug 2026
FromUSD 772*
Fare: Round trip/Economy
Sep 2026
FromUSD 675*
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)
    Oct 07 2026 - Nov 04 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Nov 01 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Nov 02 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Nov 06 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Oct 30 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 30 2026 - Oct 30 2026
    From
    USD 675
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 30 2026 - Oct 15 2026
    From
    USD 676
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Oct 15 2026
    From
    USD 676
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 23 2026 - Sep 30 2026
    From
    USD 762
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 05 2026 - Sep 26 2026
    From
    USD 763
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 06 2026 - Sep 20 2026
    From
    USD 803
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Aug 22 2026 - Sep 03 2026
    From
    USD 810
    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    		Feb 19 2027 - Mar 07 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 19 2027 - Mar 12 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 19 2027 - Mar 17 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 22 2027 - Mar 08 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 22 2027 - Mar 10 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 22 2027 - Mar 14 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 24 2027 - Mar 05 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 24 2027 - Mar 07 2027

    From

    USD 840

    Viewed 23 hrs ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 24 2027 - Mar 12 2027

    From

    USD 840

    Viewed 23 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.