LHR - PDX

$397 Find Cheap Flights from London Heathrow Airport 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 Heathrow to Portland departing on 9/25. 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

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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Flights Deals

Cheap Flights from Heathrow to Portland (LHR-PDX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow 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 Heathrow to Portland

Thu, Sep 11 - Wed, Sep 24
Icelandair Logo
1:05 pm - 5:55 pmLHR-PDX
12h 50m1 stop
Icelandair Logo
3:20 pm - 11:55 amPDX-LHR
12h 35m1 stop
$549Icelandair
Find Deal
Fri, Sep 5 - Thu, Sep 18
Icelandair Logo
1:05 pm - 5:55 pmLHR-PDX
12h 50m1 stop
Icelandair Logo
3:20 pm - 8:20 pmPDX-LHR
21h 00m1 stop
$551Icelandair
Find Deal
Fri, Sep 12 - Thu, Oct 2
 Logo
8:50 pm - 11:39 pmLHR-PDX
34h 49m2 stops
 Logo
3:20 pm - 11:55 amPDX-LHR
12h 35m1 stop
Sun, Sep 14 - Mon, Sep 22
United Airlines Logo
6:30 am - 6:46 pmLHR-PDX
20h 16m2 stops
United Airlines Logo
10:51 am - 11:45 amPDX-LHR
16h 54m1 stop
$646United Airlines
Find Deal
Thu, Oct 2 - Fri, Oct 10
 Logo
8:40 am - 6:46 pmLHR-PDX
18h 06m2 stops
 Logo
10:00 am - 1:20 pmPDX-LHR
19h 20m1 stop
Mon, Sep 15 - Mon, Sep 29
British Airways Logo
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
British Airways Logo
7:25 pm - 1:00 pmPDX-LHR
9h 35mnonstop
$653British Airways
Find Deal
Sat, Sep 6 - Sat, Sep 13
United Airlines Logo
7:25 am - 5:22 pmLHR-PDX
17h 57m2 stops
United Airlines Logo
8:35 am - 10:40 amPDX-LHR
18h 05m2 stops
$659United Airlines
Find Deal
Wed, Nov 26 - Wed, Jan 21
British Airways Logo
2:55 pm - 10:52 pmLHR-PDX
15h 57m1 stop
British Airways Logo
6:30 pm - 12:10 pmPDX-LHR
9h 40mnonstop
$664British Airways
Find Deal
Wed, Oct 8 - Thu, Oct 16
American Airlines Logo
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
American Airlines Logo
8:01 am - 6:25 amPDX-LHR
14h 24m1 stop
$696American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
American Airlines Logo
3:40 pm - 5:35 pmLHR-PDX
9h 55mnonstop
American Airlines Logo
11:42 am - 10:50 amPDX-LHR
15h 08m1 stop
$777American Airlines
Find Deal
Expert advice

Expert advice for your flight from Heathrow 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
British Airways

Upgrade to premium economy for more space, priority boarding, and extra legroom on long flights.


BA's premium economy offers 7 inches extra legroom, ideal for long-haul comfort.

American Airlines

Main Cabin Extra offers early boarding and complimentary drinks, a worthwhile upgrade for longer flights.


American Airlines' Premium Economy includes upgraded seats, meals, and amenity kits on long international flights.

Iberia

Iberia's Business Class offers all-aisle access and comfortable bedding for restful long-haul flights.


Iberia's Premium Economy provides wider seats, adjustable headrests, and USB power outlets for long-haul comfort.

Read more about Iberiaby Marisa Garcia
Airports
LHR

At Heathrow, arrive two hours early for flights and monitor flight info screens closely as gates are announced late.

Read more about LHRby Duncan Madden
PDX

Upon arrival at PDX, use the Trimet Red Line light rail for a quick, budget-friendly trip to downtown Portland.

Read more about PDXby Gabriel Leigh
Our travel experts
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
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
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
Useful Info

KAYAK's insights & trends for Heathrow to Portland flights

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

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

The average price of all round-trip flights from London Heathrow Airport 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 Friday and more expensive on a Sunday. On your return trip to London Heathrow Airport, you should consider flying back on a Tuesday, and avoid Saturdays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport 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 Heathrow Airport to Portland is November, where tickets cost $783 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is $1,203 and $1,193 respectively.

Can I save money by flying with a layover from London Heathrow Airport 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.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $858 on average.

How far in advance should I book a flight from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Portland, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$397
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 32% increase in price.
Flight from London Heathrow Airport to Portland

When to book flights from Heathrow to Portland

Are your dates flexible? Find out the best times to travel from Heathrow 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 London Heathrow Airport to Portland flights

  • What is the cheapest flight from London Heathrow Airport to Portland?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Portland was $397 for a one-way ticket and $549 for a round-trip.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in London Heathrow Airport and on arrival in Portland.

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

    When flying out of London Heathrow Airport you will be using London Heathrow. You will be landing at Portland, also known as Portland.

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

    Delta, and KLM offer inflight Wi-Fi service on the London Heathrow Airport to Portland flight route.

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

    The Boeing 787-10 Dreamliner is the aircraft model that flies most regularly on the London Heathrow Airport to Portland flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Portland?

    oneworld is the only airline alliance operating flights between London Heathrow Airport and Portland.

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

    There are nonstop flights from London Heathrow Airport to Portland on a daily basis.

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

    The two airlines most popular with KAYAK users for flights from London to Portland are United Airlines and American Airlines. With an average price for the route of $823 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $1,155 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from London Heathrow Airport 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 Heathrow Airport to Portland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport with another airline. Booking your flights between London Heathrow Airport and PDX can sometimes prove cheaper using this method.

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

  • Looking for a cheap flight? 25% of our users found flights on this route for $705 or less one-way and $825 or less round-trip.

Prefer to fly direct from London Heathrow Airport to Portland?

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

Direct departures

London Heathrow to Portland

Monday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Tuesday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Wednesday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Thursday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Friday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Saturday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Sunday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

See more direct flights

Direct returns

Portland to London Heathrow

Monday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Tuesday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Wednesday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Thursday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Friday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Saturday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

Sunday

Aer Lingus, Alaska Airlines, American Airlines, +4 more

Aer Lingus, Alaska Airlines, +5 more

See more direct flights

Top 4 airlines serving from Heathrow 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 Heathrow 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.
7.4
United AirlinesOverall score based on 8801 reviews
8.1Crew
7.3Comfort
6.6Food
7.7Boarding
7.0Entertainment
Airline reviews

United airlines, mediocre at best. No issues , nothing great . Worked for me

4.0 OkayAnonymous, Jun 2025CLT - IAD
Read more United Airlines reviews

United airlines, mediocre at best. No issues , nothing great . Worked for me

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

I was supposed to be on business class at first class from Denver back to Miami due to weather changes. I missed my connection and it’s put on a flight to Fort Lauderdale. Instead of honoring my business class/1st class ticket, they put me in coach, but there were two first class seats open. I think it’s absolutely disgusting that I paid for first class $1300 ticket and they put me in economy and they had to open seats available and I have still not been refunded the difference. I ended up having to eat a snack box instead of the meal I was supposed to get and did not get home till 2 AM so I think that’s a little pathetic that I had to live off crackers for dinner And my poor dog ate some cheese and salami. Oh yes, apparently when they switched me to the new flight they forgot to mention I had a service dog

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

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.

The chair cushions may need an upgrade. I have been noticing they are so worn out, thin so you’d sit in a dip 😄. Other than that, all was an enjoyable trip. Thanks AA!

I’m impressed that we were on time in Sacramento after having a late departure in Newark and our made it. The staff was friendly and warm.

Cramped seats. FAA should make airlines have more legroom, for even short people complain

Gate check bags that had to be gate checked because of first flight being a small flight are missing. British airways lost the luggage and haven’t met up with them yet!

Staff lovely , economy seats very uncomfortable , wheelchair assistance wonderful in Heathrow awful in Nashville !

Good crew and a great experience. Only good things to say.

Great thanks - a whole row to myself. Good food but film selection not great.

Packed commercial flight was as comfortable as can be expected

My seat was very worn. Otherwise I had an excellent flight

You get what you pay for. In general I like the service and flight attendants.

Excellent! Outstanding customer service, the best service I have received. Food was served, dinner, snacks, beverages, crew was there to greet you. 10/10

Charging $300 to be able to pick a seat next to your wife was nothing less than extortion.

My carry-on bag was taken from me when I boarded. It was checked through to London at no charge. It took a big of shuffling, but I was glad not to need to mind it until baggage claim.

Great to have power available for every seat in Premium Economy. I do wish the WiFi was less expensive. It was 23-24 Euros for the flight for one device. And there were times it was unavailable.

I’m very mad because I paid an extra $105 to change seats to an exit row with more leg room. The app clearly showed a gap in between the seats in the row I changed my seat to and I paid for it. When I boarded the plane, it wasn’t an exit row seat and no more room than my original seat. I feel like I was ripped off $105.

The crew on AA international flights in my experience are generally lazy, rude, and inefficient. These guys did not disappoint.

I had a great experience , crew was great and enjoyed the entertainment options I will be booking my next International trip with them .

Front desk was closed at 6 pm, I was unable to get my boarding pass and as such missed my connecting flight home.

I wish they could put the pre-tsa check on the tickets or global entry.

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Boarding was fairly chaotic. One of your employees clipped my ankle as he was passing with an empty wheelchair and not only did not apologize but stated something to the effect of “oh forGod’s sake.” There was plenty of room for him to pass. otherwise, everything was excellent.

Fantastic! Great seats! Friendly staff! Amazing selection of shows and movies! Smooth ride! I don’t know what more I could have asked for honestly. They made flying a breeze this time around.

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

Information on your arrival and departure airports

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