Flights from Portland to London available from USD 558*

Our best rates from Portland to London

Mar 2025
FromUSD 856*
Fare: Round trip/Economy
Displaying fares for March-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 (LHR)
May 09 2025 - May 16 2025
From
USD 558*
Round trip
/
Economy

Portland (PDX)to

London (LHR)
May 25 2025 - Jun 06 2025
From
USD 861*
Round trip
/
Economy

Portland (PDX)to

London (LHR)
May 12 2025 - May 25 2025
From
USD 931*
Round trip
/
Economy

Portland (PDX)to

London (LHR)
Jun 11 2025 - Jun 29 2025
From
USD 2,290*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 05 2025 - May 10 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 05 2025 - May 15 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 07 2025 - May 11 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 07 2025 - May 15 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 07 2025 - May 20 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 07 2025 - Jun 03 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 08 2025 - May 11 2025
From
USD 632*
Round trip
/
Economy

Portland (PDX)to

London (LON)
May 08 2025 - May 13 2025
From
USD 632*
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 (LHR)Round trip
/
Economy		Oct 13 2025 - Oct 23 2025

From

USD 623*

Viewed 1 day ago

Portland (PDX)London (LHR)Round trip
/
Economy		Nov 24 2025 - Nov 28 2025

From

USD 623*

Viewed 1 day ago

Portland (PDX)London (LHR)Round trip
/
Economy		Nov 20 2025 - Nov 30 2025

From

USD 623*

Viewed 1 day ago

Portland (PDX)London (LHR)Round trip
/
Economy		Oct 15 2025 - Oct 22 2025

From

USD 708*

Viewed 1 day ago

Portland (PDX)London (LHR)Round trip
/
Economy		Oct 12 2025 - Oct 16 2025

From

USD 1,138*

Viewed 10 hrs ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 13 2025 - Nov 17 2025

From

USD 619*

Viewed 2 days ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 13 2025 - Nov 21 2025

From

USD 619*

Viewed 2 days ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 13 2025 - Nov 24 2025

From

USD 619*

Viewed 2 days ago

Portland (PDX)London (LON)Round trip
/
Economy		Nov 13 2025 - Nov 26 2025

From

USD 619*

Viewed 2 days 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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