Flights from Portland to London available from USD 553*

Our best rates from Portland to London

Apr 2025
FromUSD 663*
Fare: Round trip/Economy
Displaying fares for April-2025
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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)
May 08 2025 - May 15 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 11 2025 - May 20 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 12 2025 - May 20 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 08 2025 - May 11 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 09 2025 - May 11 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 08 2025 - May 20 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 09 2025 - May 15 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 09 2025 - May 20 2025
From
USD 568
Round trip
/
Economy

Portland (PDX)to

London (LHR)
Jun 18 2025 - Jun 30 2025
From
USD 1,674
Round trip
/
Economy

Portland (PDX)to

London (LGW)
Apr 30 2025 - May 08 2025
From
USD 663
Round trip
/
Economy

Portland (PDX)to

London (LGW)
Jul 08 2025 - Jul 15 2025
From
USD 1,220
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.

 

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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		Nov 18 2025 - Dec 14 2025

From

USD 553

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 18 2025 - Nov 28 2025

From

USD 553

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 18 2025 - Dec 03 2025

From

USD 553

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 11 2025 - Nov 02 2025

From

USD 555

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 11 2025 - Nov 07 2025

From

USD 555

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 11 2025 - Nov 09 2025

From

USD 555

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 13 2025 - Nov 02 2025

From

USD 555

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 13 2025 - Nov 12 2025

From

USD 555

Viewed 6 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Oct 15 2025 - Nov 03 2025

From

USD 555

Viewed 6 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.

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