LON - PDX

$393 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 1/22. 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, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Portland, as well as popular online travel agencies
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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 round-trip 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 round-trip flight deals from London to Portland

Tue, Apr 21 - Tue, May 5
Icelandair Logo
3:40 pm - 6:00 pmLGW-PDX
34h 20m1 stop
Icelandair Logo
3:45 pm - 2:40 pmPDX-LGW
14h 55m1 stop
$705Icelandair
Find Deal
Tue, Apr 21 - Tue, May 5
Icelandair Logo
9:25 pm - 6:00 pmLHR-PDX
28h 35m1 stop
Icelandair Logo
3:45 pm - 8:20 pmPDX-LHR
20h 35m1 stop
$709Icelandair
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
9:00 am - 10:15 pmLHR-PDX
21h 15m2 stops
Multiple Airlines Logo
10:50 am - 7:55 amPDX-LHR
13h 05m1 stop
$759Multiple Airlines
Find Deal
Wed, Dec 10 - Thu, Jan 29
British Airways Logo
1:45 pm - 3:55 pmLHR-PDX
10h 10mnonstop
British Airways Logo
12:35 pm - 10:00 amPDX-LHR
13h 25m1 stop
$772British Airways
Find Deal
Wed, Dec 10 - Tue, Jan 20
American Airlines Logo
3:45 pm - 12:38 pmLHR-PDX
28h 53m1 stop
American Airlines Logo
6:00 am - 10:10 amPDX-LHR
20h 10m2 stops
$774American Airlines
Find Deal
Wed, Dec 10 - Thu, Jan 29
Lufthansa Logo
7:40 am - 6:06 pmLHR-PDX
18h 26m2 stops
Lufthansa Logo
7:00 am - 5:55 amPDX-LHR
14h 55m1 stop
$779Lufthansa
Find Deal
Tue, Nov 25 - Tue, Dec 2
Multiple Airlines Logo
6:35 am - 6:30 pmLHR-PDX
19h 55m2 stops
Multiple Airlines Logo
3:15 pm - 7:10 amPDX-LHR
31h 55m2 stops
$781Multiple Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
British Airways Logo
1:45 pm - 3:55 pmLHR-PDX
10h 10mnonstop
British Airways Logo
2:05 pm - 12:15 pmPDX-LHR
14h 10m1 stop
$785British Airways
Find Deal
Wed, Nov 26 - Wed, Dec 3
Lufthansa Logo
7:40 am - 6:40 pmLHR-PDX
19h 00m2 stops
Lufthansa Logo
7:00 am - 9:40 amPDX-LHR
18h 40m2 stops
$801Lufthansa
Find Deal
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
11:20 am - 11:59 pmLGW-PDX
44h 39m2 stops
American Airlines Logo
10:59 pm - 7:30 amPDX-LGW
25h 31m2 stops
$820American Airlines
Find Deal

Everything you should know

Our travelers' advice
AI-generated summary based on content written by travel experts
BA's premium economy offers 7 inches extra legroom.
Use the Trimet Red Line for easy access from PDX.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Icelandair
Cheapest • from $705 (round-trip)
American Airlines
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
LHR-PDX
Cheapest
LHR-PDX
Most popular
Insights
Insights
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 16% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
4 days a week
There are direct flights from London to Portland 4 days a week: Mon, Wed, Fri, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
Cheapest round-trip
$705
Typical prices: $952-$1,244
Icelandair
Tue 4/21Tue 5/5
LGW - PDX • 1 stop
Cheapest non-stop
$789
Typical prices: $819-$1,245
Finnair
Mon 12/8Mon 12/15
LHR - PDX • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Portland!
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.

How much is a round-trip flight from London to Portland?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London to Portland departing in April.

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 $706 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.

Your flight ticket price will generally be cheaper if you fly to Portland on a Monday and more expensive on a Sunday. On your return trip to London, you should consider flying back on a Sunday, and avoid Saturdays for better deals.

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 $742 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $1,072 and $1,048 respectively.

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

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $838, prices are generally cheapest when you fly direct.

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 3 weeks before departure, which saves you about 37% 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

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Iberia

Iberia's business class offers all-aisle access and Wi-Fi for connectivity.


Iberia's premium economy offers 37” seat pitch and 18.5” width for comfort.

Read more about Iberiaby Marisa Garcia
British Airways

BA's premium economy offers 7 inches extra legroom, ideal for long flights.


BA's cabin crew are professional and proactive, enhancing the flight experience.

American Airlines

AA's Main Cabin Extra offers early boarding and complimentary drinks.


AA's Premium Economy includes upgraded seats and complimentary meals.

Airports
LHR

For a smooth departure from Heathrow, arrive two hours early and monitor flight screens closely for gate announcements.

Read more about LHRby Duncan Madden
PDX

Upon arrival at PDX, use the Trimet Red Line for a quick and budget-friendly ride into Portland.

Read more about PDXby Gabriel Leigh
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan Madden

Duncan Madden

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.

Read more
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on PDX

Gabriel Leigh

Gabriel Leigh

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.

Read more

Good to know

Low seasonJanuary
Cheapest flight$393
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from London Stansted 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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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

  • 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 $393 for a one-way ticket and $705 for a round-trip.

  • Do I need a passport to fly between London and Portland?

    A passport is required to fly from London to Portland.

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

    London is served by 4 major airports and there is only 1 main airport in Portland. You will leave London from one of these airports: London Gatwick, London Heathrow, London Luton, or London Stansted. You will be arriving at Portland.

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

    Delta, and Air France 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?

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

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

    You can catch a nonstop flight from London to Portland on on Monday, Wednesday, Friday, and Sunday.

  • Which is the best airline for flights from London to Portland, American Airlines or British Airways?

    The two airlines most popular with KAYAK users for flights from London to Portland are American Airlines and British Airways. With an average price for the route of $860 and an overall rating of 7.2, American Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of $942 and an overall rating of 6.7.

  • 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 round-trip 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? 25% of our users found flights on this route for $629 or less one-way and $737 or less round-trip.

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

Wednesday

British Airways

British Airways

Friday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Direct returns

Portland to London

Monday

British Airways

British Airways

Wednesday

British Airways

British Airways

Friday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Reviews of the top 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.
7.2
American AirlinesOverall score based on 11030 reviews
7.5Boarding
6.9Entertainment
7.2Comfort
8.0Crew
6.4Food
Airline reviews

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.

4.0 OkaySanket, Oct 2025LHR - LAX
Read more American Airlines reviews

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.

Lost luggage after 2 days no word leaving on cruise no stuff or clothes

Staff's did their best to make everyone comfortable and I appreciate them for it

Pathetic check in experience once again. Not enough staff scheduled at bag drop or for special assistance at LHR. Really need to rethink the whole self check in procedure. The crew was good. A very decent selection of special meals in this leg as compared to the JFK-LHR leg.

Because of rescheduling, they had to put me on a flight that didn't go through Dallas

Very clean and comfortable cabin. Amazing Mediterranean salad for lunch before landing. Great range of films to watch. Really quiet and easy to sleep on the flight also. The initial food was a bit weird: odd fried chicken pieces in some weird white gloop, but that would be my lack of cultural knowledge on the grub. Salad more than made up for it at the other end. Staff were super attentive and helpful. Great and easy flight

I flew Business Class. Rory, one of the Cabin stewards, was attentive, explained the menu, provided appropriate drinks. was

The flight crew were friendly and attentive. Food was good and they passed out ice cream and drinks awhile after Lunch was done. The ice cream was a nice treat! I found several movies to watch during the flight. There was many movies and tv shows to choose from. We flew Premium economy and there was enough leg room to be comfortable. The seats were also comfortable. I would fly AA again if the airfare isn’t expensive.

There might be more food options for people who can't eat so much starch/sugar/bread/rice. Meat, cheese, walnuts/pecans for snack, maybe jerky or other kinds of meat-based snacks would be better than bread and rice and sweets. I had an extra chardonnay, which was fine. The entertainment was great.

Unfortunately, my flight was cancelled because of some sort of emergency over the Atlantic and had to return to London. While I think British Airways made every effort to mitigate the situation, I must say it was still pretty unpleasant. I do appreciate the fact, however, that British Airways put my safety first…and I think the effort to correct a bad situation was very sincere. But I think the process might be handled better in future.

Crew service was poor and very little difference between premium economy and economy. Disappointed.

My bags never made it on the flight and I now have to wait for them to arrive hopefully tomorrow. You can’t even track your bags in the app to see where they are since they didn’t arrive. You have to file a claim and then wait for them to inform you when you will receive your bag. We were already delayed for an hour due to baggage so I don’t understand how my bag didn’t make the flight.

One of the worst experience given the middle seat even asked for the change no one honored,boarded at the end and overall one of the worst experience

It was good although our flight to the UK was cancelled and rescheduled for two days later. This was after we were already seated on the plane. We missed the first leg of our trip. BA did put us up at a hotel and paid for our meals but we lost our hotel costs in Glasgow.

The crew was very nice and pleasant. We were very reluctant to book our flight with British Airlines because we had bad experience with their flight attendants on the previous trips, they were rude and not helpful.

I am a 25+ years American Airlines member. British Airways is simply above and beyond in every customer satisfaction category.

The seat pads are past there sell by date now and are uncomfotable. Also, with screens in the back of the seat, the seats shouldnt be able to recline as this puts rhe screen in your face.

1. The website didn’t allow me to checkin from London as I have Bangladesh passport with US permanent resident card. This pushed me to sit with my wife in the middle of two aisle seats, terrible experience! 2. BA should allow within 24 hours to checkin with other passport holders to choose better seats. A 2nd verification of travel documents can be done at the desk about immigration status. 3. Food options were poor for vegetarian passengers, try to introduce healthy options avoiding carb-dense food ingredients.

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

Information on your arrival and departure airports

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