Flights from Portland to London available from USD 841*

Promo code

Our best rates from Portland to London

Aug 2026
FromUSD 1,084*
Fare: Round trip/Economy
Sep 2026
FromUSD 841*
Fare: Round trip/Economy
Oct 2026
FromUSD 841*
Fare: Round trip/Economy
Displaying fares for August-2026
  • PDX–LON, Aug 09 2026 – Aug 19 2026: From USD 1,326
    09

    Su

    AUG

  • PDX–LON, Aug 10 2026 – Aug 31 2026: From USD 1,703
    10

    Mo

  • PDX–LON, Aug 11 2026 – Aug 24 2026: From USD 1,357
    11

    Tu

  • PDX–LON, Aug 12 2026 – Sep 04 2026: From USD 1,746
    12

    We

  • PDX–LON, Aug 13 2026 – Aug 19 2026: From USD 1,794
    13

    Th

  • PDX–LON, Aug 14 2026 – Aug 28 2026: From USD 1,796
    14

    Fr

  • PDX–LON, Aug 15 2026 – Aug 28 2026: From USD 1,659
    15

    Sa

  • PDX–LON, Aug 16 2026 – Aug 26 2026: From USD 1,496
    16

    Su

  • PDX–LON, Aug 17 2026 – Sep 02 2026: From USD 1,822
    17

    Mo

  • PDX–LON, Aug 18 2026 – Aug 24 2026: From USD 1,326
    18

    Tu

  • PDX–LON, Aug 19 2026 – Aug 24 2026: From USD 1,496
    19

    We

  • PDX–LON, Aug 20 2026 – Aug 24 2026: From USD 1,544
    20

    Th

  • PDX–LON, Aug 21 2026 – Aug 28 2026: From USD 1,084
    21

    Fr

  • PDX–LON, Aug 22 2026 – Aug 28 2026: From USD 1,376
    22

    Sa

  • PDX–LON, Aug 23 2026 – Aug 28 2026: From USD 1,326
    23

    Su

  • PDX–LON, Aug 24 2026 – Aug 28 2026: From USD 1,735
    24

    Mo

  • PDX–LON, Aug 25 2026 – Sep 23 2026: From USD 1,494
    25

    Tu

  • PDX–LON, Aug 26 2026 – Sep 04 2026: From USD 1,496
    26

    We

  • PDX–LON, Aug 27 2026 – Sep 02 2026: From USD 1,544
    27

    Th

  • PDX–LON, Aug 28 2026 – Aug 31 2026: From USD 1,284
    28

    Fr

  • PDX–LON, Aug 29 2026 – Sep 02 2026: From USD 1,431
    29

    Sa

  • PDX–LON, Aug 30 2026 – Sep 30 2026: From USD 1,383
    30

    Su

  • PDX–LON, Aug 31 2026 – Oct 01 2026: From USD 1,138
    31

    Mo

  • PDX–LON, Sep 01 2026 – Oct 02 2026: From USD 1,067
    01

    Tu

    SEP

  • PDX–LHR, Sep 02 2026 – Sep 17 2026: From USD 1,254
    02

    We

  • PDX–LON, Sep 03 2026 – Oct 02 2026: From USD 1,503
    03

    Th

  • PDX–LON, Sep 04 2026 – Oct 02 2026: From USD 882
    04

    Fr

  • PDX–LON, Sep 05 2026 – Oct 06 2026: From USD 881
    05

    Sa

  • PDX–LON, Sep 06 2026 – Oct 02 2026: From USD 849
    06

    Su

  • PDX–LON, Sep 07 2026 – Oct 06 2026: From USD 1,148
    07

    Mo

  • PDX–LON, Sep 08 2026 – Oct 06 2026: From USD 1,110
    08

    Tu

    • *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 02 2026 - Sep 17 2026
    From
    USD 1,254
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Oct 07 2026 - Oct 12 2026
    From
    USD 843
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Sep 22 2026 - Oct 06 2026
    From
    USD 1,268
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Sep 30 2026 - Oct 28 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 03 2026 - Oct 30 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 05 2026 - Oct 30 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 05 2026 - Nov 01 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 05 2026 - Nov 04 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Oct 28 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Nov 01 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LON)
    Oct 07 2026 - Nov 06 2026
    From
    USD 841
    Round trip
    Economy

    Portland (PDX)to

    London (LHR)
    Oct 19 2026 - Oct 25 2026
    From
    USD 843
    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 (LHR)Round trip
    /
    Economy    		Jul 16 2027 - Jul 26 2027

    From

    USD 1,250

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 05 2027 - Feb 16 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 05 2027 - Feb 28 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 05 2027 - Mar 08 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 08 2027 - Mar 07 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 08 2027 - Mar 10 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 10 2027 - Feb 28 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 10 2027 - Mar 02 2027

    From

    USD 841

    Viewed 1 day ago

    Portland (PDX)London (LON)Round trip
    /
    Economy    		Feb 10 2027 - Mar 05 2027

    From

    USD 841

    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.