Flights from London to Portland available from GBP 424*

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Our best rates from London to Portland

Jun 2025
FromGBP 645*
Fare: Round trip/Economy
Displaying fares for June-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 London to Portland

GBP

London (LON)to

Portland (PDX)
26 08 2025 - 06 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 07 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 08 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 11 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 12 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 17 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 18 09 2025
From
GBP 424
Round trip
Economy

London (LON)to

Portland (PDX)
26 08 2025 - 24 09 2025
From
GBP 424
Round trip
Economy

London (LHR)to

Portland (PDX)
25 06 2025 - 11 07 2025
From
GBP 1,046
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 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		12 12 2025 - 16 12 2025

From

GBP 454

Viewed 9 hrs ago

London (LON)Portland (PDX)Round trip
/
Economy		12 12 2025 - 15 12 2025

From

GBP 454

Viewed 9 hrs ago

London (LON)Portland (PDX)Round trip
/
Economy		18 03 2026 - 02 04 2026

From

GBP 555

Viewed 1 day ago

London (LON)Portland (PDX)Round trip
/
Economy		18 03 2026 - 16 04 2026

From

GBP 555

Viewed 1 day ago

London (LON)Portland (PDX)Round trip
/
Economy		18 03 2026 - 13 04 2026

From

GBP 555

Viewed 1 day ago

London (LON)Portland (PDX)Round trip
/
Economy		18 03 2026 - 14 04 2026

From

GBP 555

Viewed 1 day ago

London (LON)Portland (PDX)Round trip
/
Economy		09 03 2026 - 02 04 2026

From

GBP 555

Viewed 9 hrs ago

London (LON)Portland (PDX)Round trip
/
Economy		11 03 2026 - 02 04 2026

From

GBP 555

Viewed 9 hrs ago

London (LON)Portland (PDX)Round trip
/
Economy		16 03 2026 - 16 04 2026

From

GBP 555

Viewed 9 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.

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