LON - PDX

$446 Find Cheap Flights from London to Portland - Compare and Save

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Everything you should know

Cheapest round-trip
$805
Typical prices: $864-$1,249
Alaska Airlines
Wed 12/5Mon 12/10
LHR - PDX • 1 stop
Cheapest non-stop
$838
Typical prices: $968-$1,324
British Airways
Fri 11/23Fri 11/30
LHR - PDX • Non-stop
Nonstop flights
You can fly direct with British Airways. Average duration is 10h 15m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 16% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 81% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $846 (round-trip)
Shortest trip • 13h 01m (one-way)
Insights
Insights
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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)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Portland

Sat, Dec 5 - Thu, Dec 10
Alaska Airlines Logo
2:45 pm - 8:54 pmLHR  London Heathrow-PDX Portland
14h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:57 pm - 12:20 pmPDX  Portland-LHR London Heathrow
14h 23m1 stop Seattle/Tacoma Intl
$805Alaska Airlines
Mon, Nov 23 - Mon, Dec 7
Multiple Airlines Logo
6:40 am - 5:00 pmLHR  London Heathrow-PDX Portland
18h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
2:45 pm - 9:35 amPDX  Portland-LHR London Heathrow
34h 50m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Warsaw Frederic Chopin
$808Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
11:50 am - 9:15 pmLHR  London Heathrow-PDX Portland
17h 25m1 stop San Francisco
Multiple Airlines Logo
10:56 am - 10:55 amPDX  Portland-LHR London Heathrow
15h 59m1 stop San Francisco
$808Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
6:40 am - 5:00 pmLHR  London Heathrow-PDX Portland
18h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
2:45 pm - 10:50 amPDX  Portland-LHR London Heathrow
12h 05m1 stop Reykjavik Keflavik Intl
$809Multiple Airlines
Wed, Nov 18 - Wed, Dec 9
Scandinavian Airlines Logo
6:40 am - 8:56 pmLHR  London Heathrow-PDX Portland
22h 16m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
11:01 am - 5:40 pmPDX  Portland-LHR London Heathrow
22h 39m2 stops Los Angeles Kastrup Copenhagen
$810Scandinavian Airlines
Sat, Dec 5 - Thu, Dec 10
Scandinavian Airlines Logo
6:40 am - 8:55 pmLHR  London Heathrow-PDX Portland
22h 15m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
11:01 am - 5:40 pmPDX  Portland-LHR London Heathrow
22h 39m2 stops Los Angeles Kastrup Copenhagen
$810Scandinavian Airlines
Mon, Nov 23 - Mon, Dec 7
Multiple Airlines Logo
6:40 am - 5:00 pmLHR  London Heathrow-PDX Portland
18h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
2:45 pm - 10:50 amPDX  Portland-LHR London Heathrow
12h 05m1 stop Reykjavik Keflavik Intl
$814Multiple Airlines
Wed, Mar 31 - Tue, Apr 13
Scandinavian Airlines Logo
10:20 am - 10:26 pmLHR  London Heathrow-PDX Portland
20h 06m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
1:00 pm - 5:40 pmPDX  Portland-LHR London Heathrow
20h 40m2 stops Los Angeles Kastrup Copenhagen
$815Scandinavian Airlines
Mon, Nov 23 - Mon, Nov 30
British Airways Logo
1:35 pm - 3:50 pmLHR  London Heathrow-PDX Portland
10h 15mnonstop
British Airways Logo
5:45 pm - 11:20 amPDX  Portland-LHR London Heathrow
9h 35mnonstop
$838British Airways
Sun, Nov 22 - Mon, Nov 30
British Airways Logo
1:35 pm - 3:50 pmLHR  London Heathrow-PDX Portland
10h 15mnonstop
British Airways Logo
5:45 pm - 11:20 amPDX  Portland-LHR London Heathrow
9h 35mnonstop
$868British Airways
Booking Insights

Price, demand and travel trends for London to Portland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from London to Portland typically range from $864 to $1,249. The lowest price found in the past 5 days was $805, on Alaska Airlines.

What is the cheapest London to Portland flight route?

London Gatwick Airport (LGW) to Portland (PDX) is the cheapest London to Portland route, averaging $829 round-trip. Other London to Portland routes average $1,074, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from London to Portland. It’s 8% cheaper than the average day, while Thursday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from London to Portland?

•November is the cheapest month to fly from London to Portland at $838 round-trip.
•August ($1,332) and July ($1,281) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 58% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London to Portland the cheapest?

Flights from London to Portland are cheapest 26 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from London to Portland

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

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.

Marisa Garcia

Marisa Garcia

Expert on Iberia

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.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

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 PDX

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.

Key details for London to Portland flights

Low season

February

Cheapest flight

$446
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 36% increase in travelers.
One-way 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

Your London to Portland flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from London to Portland?

    These are the earliest and latest flight times available from London to Portland:

    • Earliest: departs at 1:35 pm and lands at 11:50 pm
    • Latest: departs at 1:35 pm and lands at 11:50 pm.

    The flight takes about 10h 15m.

  • What cabin classes can I book on flights from London to Portland?

    Four cabin classes are available on flights from London to Portland:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from London to Portland?

    A nonstop flight from London to Portland takes 10h 15m, covering 4,904 miles.

  • Do I need a passport to fly from London to Portland?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London to Portland flight?

    Round-trip flights from London to Portland range from $864 to $1,249, with an average of $1,049 over the past 12 months. Anything below $864 counts as a good deal.

  • How expensive are last-minute London to Portland flights?

    Last-minute fares on this route (booked within two weeks of departure) run 26% above the $1,049 route average. Book 26 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from London to Portland?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $846 round-trip via Reykjavik Keflavik Intl (KEF), compared to $1,110 for nonstop.

  • How does on-time performance compare across airlines flying from London to Portland?

    British Airways is the only airline operating London to Portland flights. 81% of its flights are on time.

  • What is the standard checked-bag allowance on flights from London to Portland?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $73–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from London to Portland spread across the day?

    Afternoon is the busiest departure period on London to Portland flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from London to Portland changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $805 to $7,023. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from London to Portland looking right now?

    One-way fares from London to Portland are currently lower than usual. Average one-way flight prices are about $503, which is 38% below the typical average for this route.

  • What car rental options are available at Portland Airport (PDX)?

    Portland Airport (PDX) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Hertz
    • Sixt
    • Payless

  • Which airports can I use when flying from London to Portland?

    Flights from London to Portland may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Portland (PDX).

  • What time of day has the fewest delays on flights from London to Portland?

    Afternoon flights have the fewest delays on this route.

  • At what point is a flight considered delayed from London to Portland?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Portland route, 19% of flights were delayed in the past 3 months, with delays averaging 2h 09m.

  • Which airports do connecting flights from London to Portland pass through?

    One-stop flights from London to Portland most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) - 65% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 15% of one-stop connections
    • Vancouver Intl (YVR) - 4% of one-stop connections
    • Denver Intl (DEN) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from London to Portland?

    Yes. Flexible dates can save you up to 16% on flights from London to Portland. Wednesday is the cheapest departure day at $966 round-trip on average, while Thursday is the most expensive at $1,150, a difference of $184.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from London to Portland?

    Only British Airways operates flights between London and Portland.

  • How much time can I save by choosing a different layover airport from London to Portland?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 13h 01m, compared with 13h 04m via Amsterdam Schiphol (AMS) and 13h 18m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between London and Portland?

    Portland is 7 hours behind London (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Portland?

    Some of the most popular sights in Portland are Moda Center, Oregon Convention Center and Tom McCall Waterfront Park. These are among the most viewed places in Portland on KAYAK.

  • Which airlines offer extra legroom and free seat selection on London to Portland flights?

    Among airlines operating London to Portland flights:

    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on London to Portland flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • British Airways: a cabin bag and a checked bag in Economy Class
    • Finnair: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking London to Portland flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $966, about $184 less than Thursday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London to Portland trip for November. Fares historically average $838 round-trip in that month - typically $494 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Reykjavik Keflavik Intl Airport (KEF) can be cheaper than flying direct. The cheapest layover option averages $846 round-trip on this route - about $263 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Portland Airport.

    • Country Inn & Suites by Radisson, Portland Air, OR
    • Radisson Hotel Portland Airport
    • Holiday Inn Portland-Airport (I-205) By IHG

Prefer to fly 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

More options for your flight from London to Portland

Complete your trip to Portland with a hotel stay or car rental