LON - PDX

£225 Find Cheap Flights from London to Portland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Portland departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Portland.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Portland.
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£496
Typical prices: £588-£722
Multiple Airlines
Wed 15/4Mon 20/4
LHR - PDX • 2 stops
Cheapest direct flights
£640
Typical prices: £550-£698
British Airways
Tue 1/9Tue 15/9
LHR - PDX • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Finnair's A350 offers a more comfortable journey.
BA's premium economy includes priority boarding.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from £500 (return)
Best reviews • 7.5 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with British Airways. Average duration is 10h 10m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg £503 (return)
Shortest trip • 12h 36m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Portland!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from London to Portland (LON-PDX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Portland

Wed, 15 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:30 - 18:00
LHR
-
PDX
18h 30m
2 stops
Multiple Airlines Logo
15:30 - 19:05
PDX
-
LHR
19h 35m
2 stops
£496Multiple Airlines
Wed, 15 Apr - Sat, 18 Apr
Air Canada Logo
10:15 - 09:10
LHR
-
PDX
54h 55m
2 stops
Air Canada Logo
07:15 - 13:20
PDX
-
LHR
46h 05m
2 stops
£500Air Canada
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
09:15 - 09:10
LTN
-
PDX
31h 55m
3 stops
Multiple Airlines Logo
15:30 - 01:10
PDX
-
LTN
25h 40m
3 stops
£525Multiple Airlines
Tue, 14 Apr - Mon, 14 Sep
Icelandair Logo
21:25 - 18:00
LHR
-
PDX
28h 35m
1 stop
Icelandair Logo
15:30 - 11:55
PDX
-
LHR
12h 25m
1 stop
£540Icelandair
Tue, 21 Apr - Wed, 20 May
Icelandair Logo
15:40 - 18:00
LGW
-
PDX
34h 20m
1 stop
Icelandair Logo
19:05 - 14:40
PDX
-
LGW
11h 35m
1 stop
£554Icelandair
Fri, 21 Aug - Sat, 29 Aug
Condor Logo
15:45 - 13:05
LGW
-
PDX
29h 20m
1 stop
Condor Logo
15:10 - 14:40
PDX
-
LGW
15h 30m
1 stop
£636Condor
Tue, 1 Sep - Tue, 15 Sep
SWISS Logo
09:15 - 23:09
LCY
-
PDX
21h 54m
2 stops
SWISS Logo
15:43 - 17:25
PDX
-
LCY
17h 42m
2 stops
£664SWISS
Mon, 20 Apr - Mon, 4 May
Virgin Atlantic Logo
20:15 - 11:10
LCY
-
PDX
22h 55m
1 stop
Virgin Atlantic Logo
13:05 - 17:20
PDX
-
LCY
20h 15m
1 stop
£667Virgin Atlantic
Wed, 29 Apr - Wed, 6 May
SWISS Logo
09:15 - 22:34
LCY
-
PDX
21h 19m
2 stops
SWISS Logo
13:37 - 17:25
PDX
-
LCY
19h 48m
2 stops
£674SWISS
Mon, 20 Apr - Thu, 30 Apr
Virgin Atlantic Logo
20:15 - 11:10
LCY
-
PDX
22h 55m
1 stop
Virgin Atlantic Logo
13:05 - 17:20
PDX
-
LCY
20h 15m
1 stop
£688Virgin Atlantic
Booking Insights

KAYAK’s insights & trends for London to Portland flights

Get data-powered insights and trends into flights from London to Portland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London to Portland flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from London to Portland costs £638 on the route between London Heathrow Airport (LHR) and Portland (PDX). It is also the most popular route.

What’s the cheapest day of the week to fly from London to Portland?

The average price of all round-trip flights from London to Portland clicked on KAYAK for each day over the last 12 months.

For London to Portland, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Portland back to London, the best deals are generally found on Friday, with Thursday being the most expensive.

What is the cheapest month to fly from London to Portland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Portland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to Portland is September, where tickets cost £561 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is £819 and £790 respectively.

Can I save money by flying with a stopover from London to Portland?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at £706 on average.

How far in advance should I book a flight from London to Portland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Portland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London to Portland, you should book around 2 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Expert advice

Expert advice for your flight from London to Portland

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Good to know - Cheap tickets from London to Portland

Low seasonJanuary
Cheapest flight£225
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (10% more expensive on average)
Flight from London Gatwick Airport to Portland

When to book flights from London to Portland

Are your dates flexible? Find out the best times to travel from London to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Portland

  • How do I get to the city centre from Portland International Airport?

    The Trimet Max/Light Rail operates MAX Red Line service with departures every 15min to the downtown area from Portland International Airport. Airport car hire and taxi and rideshare services like Uber, Lyft and Wingz are additional options. Some major hotels also provide an airport shuttle service, so if your accommodation is in the centre, check if it's included.

  • Are there currency exchange locations at Portland International Airport?

    Currency Exchange International (CXI) operates from two locations at Portland International Airport. There’s one at Baggage Reclaim (landside), which is open Monday-Saturday from 10:00-16:00 local time and another at Concourse D (airside), with open hours from 07:30-15:30 daily. You can also find a few cash machines at International Arrivals.

  • What other cities are accessible from Portland International Airport?

    The city of Portland, Oregon, is well situated to explore the Pacific Northwest (Seattle, Boise) and the Bay Area (Sacramento, San Francisco, Oakland) by rail, car and bus. You can also take advantage of cross-border travel to Canada by visiting nearby Vancouver, British Columbia or Calgary, Alberta.

  • Are there any unique attractions at Portland International Airport?

    Portland International Airport offers a few cultural attractions to inspire and enhance your airport experience. Their art program has a rotating installation of nine exhibits featuring regional artists, while their music program showcases classical, jazz and contemporary music played by volunteer musicians. In addition, Hollywood Theatre at Concourse C previews film shorts focused on the Pacific Northwest region.

  • What is the cheapest flight from London to Portland?

    In the last 3 days, the lowest price for a flight from London to Portland was £225 for a one-way ticket and £496 for a return.

  • Which airports will I be using when flying from London to Portland?

    There are 4 airports in London (London City, London Gatwick, London Heathrow, and London Luton.) and only 1 airport in Portland (Portland). The cheapest flights are generally found on the London Gatwick Airport to Portland flight route.

  • Which airlines offer Wi-Fi service onboard planes from London to Portland?

    Virgin Atlantic, and KLM offer inflight Wi-Fi service on the London to Portland flight route.

  • Which aircraft models fly most regularly from London to Portland?

    The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the London to Portland flight route.

  • Which airline alliances offer flights from London to Portland?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between London and Portland, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from London to Portland?

    There are direct flights from London to Portland on a daily basis.

  • Which is the best airline for flights from London to Portland, Finnair or Virgin Atlantic?

    The two airlines most popular with KAYAK users for flights from London to Portland are Finnair and Virgin Atlantic. With an average price for the route of £649 and an overall rating of 7.6, Finnair is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of £626 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from London to Portland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Portland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Portland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Portland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Portland with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Portland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London to Portland

  • Looking for a cheap flight from London to Portland? 25% of our users found flights on this route for £852 or less one-way and £687 or less round-trip.
  • Portland International Airport (PDX) in the U.S. state of Oregon is a joint civilian-military installation and the largest international airport in the city. It's about 12 miles from the city centre and uses one terminal for all flights.
  • Flights from London to Portland leave from two airports. Several airlines offer direct services on this route from London Heathrow Airport (LHR). These include Finnair, British Airways and American Airlines. You can also get a few flights with stops from London City Airport (LCY) via Delta Airlines, with at least two connections in Amsterdam and Seattle.
  • If you decide to park and fly, there are multiple options available at London City and London Heathrow airports to suit your travel needs. For example, you'll find Short Stay, Long Stay and Business parking at London Heathrow and special weekender rates at London City. These car parks allow you to book in advance or in person. In addition, all parking garages at both airports can accommodate Blue Badge holders.
  • After a long drive to the airport, it's ideal to relax and unwind before your flight. At London Heathrow, you have a choice of lounges at each of its five terminals, including multiple locations of Plaza Premium (T2/T4) and Club Aspire (T3/T5). In addition, there’s a First Class Lounge at London City Airport located in the Private Jet Centre Facility.
  • Both airports offer a range of services and facilities catering to persons with limited mobility, from dedicated parking spaces to mobility equipment and personal escorts who see you safely through airport security right up to your seat on the flight. If you require special assistance, it’s always best to book in advance.

Prefer to fly direct from London to Portland?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London to Portland.
Find which airlines fly direct from London to Portland Airport, which days they fly and book direct flights.

Direct departures

London to Portland

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Direct returns

Portland to London

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Reviews of the top 5 airlines flying from London to Portland

 
See real verified KAYAK customer reviews for airlines flying from London to Portland. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Portland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
Virgin AtlanticOverall score based on 680 reviews
7.3Comfort
8.2Crew
7.6Entertainment
7.7Boarding
6.9Food
Airline reviews

My seat 3G did not go down fully and the buttons were not working properly

8.0 ExcellentAditya, Feb 2026
LHR - JFK
Read more Virgin Atlantic reviews

My seat 3G did not go down fully and the buttons were not working properly

Food has been disappointing in both legs of flight to india

Great staff great experience, made a 2 hour delay very bearable

Great staff, great experience, made a 2 hour delay very bearable

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

Great crew - old style upper class seats on the older fleet now feels dated

Older airplane with worn out seats. No entertainment system at all. Connecting to Wi-Fi was problematic and hit and miss.

An delay of almost 3 hours while passengers were already in the plane kept us very uncomfortable. The food was also very limited. A bad experience overall.

I understand that there is a catering issue - water should be the minimum stock. During the flight, not once that the attendants came through with water. The conversations in the kitchen were very loud and they were swearing. I do not expect any white glove service, at the minimum, we should be cordial. It was almost an inconveniece that we were on the flight. And it made us feel if you even dare question us, we'll make you deplane.

It's very confusing because Kayak has it as American Airlines, but it was Hawaiian Airlines, but operated by Alaska Airlines. I had to go to the airport for my boarding pass because American said I didn't have any trips.

The flight attendant use 1.5 hours to answer my call. My dirty food tray was unattended.

The flight was completely full. Crew was not happy. Everyone was rude and brusque. Travelling with an arm in a cast and seating in the first row of economy cabin (in front of the separation) I needed help retrieving my tray for the meal. A staff member literally threw the tray on my lap, without helping to take out the tray. Boarding was messy, with 300 people waiting in an encloses space with low ceiling. I will try to avoid AA next time I have a long flight.

Seats were much more cramped then on the 737. Narrower and rows closer together. Flight was absolutely packed and the plugs under the seats didn't work. Was forced to check my bag even though previous flight had no issue with it.

The business class seats are dated and uncomfortable. The space is bare minimum and there is absolutely no privacy. For $4K, this is not what I expect.

The plane was late, when we did board the plane was as cold as a freezer. I was freezing the entire flight, no blankets. Lost miserable flight I’ve ever had.

Flight, food and crew were all good, friendly and very satisfactory.

Waiting area on top of stairs before Boarding the bus wasn’t great. Took a long time to load the bus to gate.

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

Iceland Air severely damaged a checked bag. Additionally, the gate agent caused issues for many passengers who had standard-sized onboard bags that would have passed inspection by any other airline.

Nice, quick flight. There were lots of empty seats so they told me I could sit next to the emergency exit where I would have more legroom.

They wouldn’t check in my luggage even though I had one checked bag prepaid. So I took my bag to the gate and tried to check it in there and two employees scolded me for bringing a large bag to the gate. I told them I was trying to check it in and that it was prepaid, and they said they couldn’t guarantee that it would arrive at my destination but they finally let me drop it off when boarding the plane and pick it up right after exiting the plane. There was no food, and there was no entertainment.

Overall satisfied and would fly with them again. They could improve the check-in efficiency at BOS, we got backed up because it seemed there were passengers requiring much more time for check in.

The customer service was unbeatable from the wheelchair assist team to the flight attendants. The pilot also did an excellent job managing the turbulence.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

Again, we paid $ 328.00 for specific seats are were assigned those seats.

Having been prepared for paying for everything on board other than water, coffee and tea the service was OK. Food and drink is expensive but the food was OK if limited in scope. Plane was clean and obviously well serviced. After complaining about having to walk in wind and rain to a get a bus to the airport the same thing happened at Portland. I’m sure you could get a terminal gate flight, complimentary food and drink for not much more money without traipsing through rain and slush in Reykjavik. Not bad but not great.

How about changing the personal out to more friendly human beings? This team was pretty arrogant. No fun!!

Everything could have been better. What needed to be wrong with United went wrong

Excellent service. The crew goes above their way to make the customer comfortable.

It was good. The seats in economy weren’t bad

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Excellent service; they helped me reschedule so I can fly in an earlier flight

Wonderful staff. The boarding process can be improved a little better by adequate prior communication but all in all they did fine. However the boarding gate was quite unfreindly to elderly and who needs help with sevral stairs.

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

Very good. Comfortable and I felt well taken care of from start to finish

the service on Business class should be improved to be at par with industry leaders like Cathay Pacific and Singapore AIrlines. A lot of room for improvement.

Late takeoff, but on time landing. Lost bags, 3 days to find them, still in transit to my location. Power outlets broken, Wi-Fi not working, so much for working on the long flight.

Good. For a long flight. The comfort of the seat could be better. Also, the food was « normal » plane food. Not indian plane food unfortunately! Everything else was smooth and great.

The seats were comfortable. So many empty seats allowed for stretching out and sleeping. The onboard entertainment was pretty good. The cabin crew were so kind and kept the passengers well- hydrated, and well fed.

We had American Airlines on our return and it was confusing if we were going with Aa or BA I had 2 different flight numbers and didn’t get our gate until it was boarding. So we were a bit nervous as the which it was

My touch screen at my seat wasn't working, the films BA advertised on the website for this flight were not available, and the plane was a little dated, food was good and the staff were good, just let down by the aircraft facilities.

Did not like the seating configuration at all with 2+3+2 in business class. Lacking total privacy and comfort

Check-in experience, for business call please provide a premium experience

Lost my luggage, ran out of food choices in business class, ground crew was completely unapologetic.

Excellent. The crew and flight were great. Checking in was easy and everyone was very helpful.

Everything you need to know for your flight from London to Portland

Other airlines flying from London to Portland

Flights from the other most popular airlines that fly from London to Portland according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.