LON - PDX

£333 Find Cheap Flights from London to Portland – Compare and Save

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Everything you should know

Cheapest return flight
£603
Typical prices: £646-£934
Multiple Airlines
Thu 22/2Sun 4/3
LGW - PDX • 2 stops
Cheapest direct flights
£725
Typical prices: £723-£990
Finnair
Fri 23/11Fri 7/12
LHR - PDX • Direct
Direct 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 travellers 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 stopover airports
Cheapest • Avg £632 (return)
Shortest trip • 13h 01m (one-way)
Insights
Insights
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We hope you enjoy 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 return flight deals from London to Portland

Mon, 22 Feb - Thu, 4 Mar
Multiple Airlines Logo
10:25 - 19:43LGW  London Gatwick-PDX Portland
17h 18m2 stops Frankfurt am Main Seattle/Tacoma Intl
Multiple Airlines Logo
12:55 - 19:25PDX  Portland-LGW London Gatwick
22h 30m2 stops Seattle/Tacoma Intl Frankfurt am Main
£603Multiple Airlines
Mon, 1 Feb - Sun, 14 Feb
Multiple Airlines Logo
10:25 - 19:50LGW  London Gatwick-PDX Portland
17h 25m2 stops Frankfurt am Main Seattle/Tacoma Intl
Multiple Airlines Logo
11:40 - 15:00PDX  Portland-LGW London Gatwick
19h 20m2 stops Seattle/Tacoma Intl Frankfurt am Main
£605Multiple Airlines
Mon, 22 Mar - Wed, 31 Mar
United Airlines Logo
09:30 - 20:33LHR  London Heathrow-PDX Portland
18h 03m2 stops Frankfurt am Main San Francisco
United Airlines Logo
09:24 - 12:35PDX  Portland-LHR London Heathrow
19h 11m2 stops San Francisco Denver Intl
£659United Airlines
Mon, 22 Mar - Wed, 31 Mar
United Airlines Logo
09:30 - 20:33LHR  London Heathrow-PDX Portland
18h 03m2 stops Frankfurt am Main San Francisco
United Airlines Logo
09:24 - 12:35PDX  Portland-LHR London Heathrow
19h 11m2 stops San Francisco Denver Intl
£660United Airlines
Wed, 18 Nov - Sun, 13 Dec
Lufthansa Logo
09:30 - 21:02LHR  London Heathrow-PDX Portland
19h 32m2 stops Frankfurt am Main San Francisco
Lufthansa Logo
15:44 - 13:30PDX  Portland-LHR London Heathrow
37h 46m2 stops San Francisco Los Angeles
£672Lufthansa
Thu, 10 Dec - Mon, 14 Dec
Lufthansa Logo
09:30 - 22:45LHR  London Heathrow-PDX Portland
21h 15m2 stops Frankfurt am Main San Francisco
Lufthansa Logo
07:00 - 13:30PDX  Portland-LHR London Heathrow
22h 30m2 stops San Francisco Los Angeles
£676Lufthansa
Wed, 10 Mar - Wed, 31 Mar
Icelandair Logo
12:15 - 17:00LHR  London Heathrow-PDX Portland
12h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
19:05 - 11:55PDX  Portland-LHR London Heathrow
32h 50m1 stop Reykjavik Keflavik Intl
£686Icelandair
Mon, 1 Mar - Mon, 15 Mar
Icelandair Logo
20:35 - 17:00LHR  London Heathrow-PDX Portland
28h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
15:45 - 10:50PDX  Portland-LHR London Heathrow
12h 05m1 stop Reykjavik Keflavik Intl
£687Icelandair
Sun, 6 Dec - Sat, 9 Jan
Alaska Airlines Logo
14:45 - 09:27LHR  London Heathrow-PDX Portland
26h 42m2 stops Seattle/Tacoma Intl San Francisco
Alaska Airlines Logo
07:09 - 12:20PDX  Portland-LHR London Heathrow
21h 11m2 stops San Francisco Seattle/Tacoma Intl
£705Alaska Airlines
Wed, 18 Nov - Wed, 25 Nov
Alaska Airlines Logo
14:45 - 20:50LHR  London Heathrow-PDX Portland
14h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:49 - 12:20PDX  Portland-LHR London Heathrow
13h 31m1 stop Seattle/Tacoma Intl
£719Alaska Airlines
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.

What is the cheapest London to Portland flight route?

London Gatwick Airport (LGW) to Portland (PDX) is the cheapest London to Portland route, averaging £620 return. Other London to Portland routes average £803, 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 is the cheapest month to fly from London to Portland?

•November is the cheapest month to fly from London to Portland at £626 return.
•August (£995) and July (£957) 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
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.

Key details for London to Portland flights

Low season

February

Cheapest flight

£333
Beat the crowds with an average 49% drop in traveller numbers.
The most popular month to fly with an average 36% increase in traveller numbers.
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 return 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 13:35 and lands at 23:50
    • Latest: departs at 13:35 and lands at 23:50.

    The flight takes about 10h 15m.

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

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

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from London to Portland?

    A direct 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?

    Return flights from London to Portland range from £646 to £934, with an average of £784 over the past 12 months. Anything below £646 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 £784 route average. Book 26 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from London to Portland?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £632 return via Reykjavik Keflavik Intl (KEF), compared with £829 for direct.

  • 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 £55–£75 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% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

  • 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 £465, which is 24% below the typical average for this route.

  • Which car hire options are available at Portland Airport (PDX)?

    Portland Airport (PDX) hosts 5 major car hire companies, with daily rates starting from around £17 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 on the route 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 three 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 £722 return on average, while Thursday is the most expensive at £859, a difference of £138.

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

  • Which 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 stopover airport from London to Portland?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time of 13h 01m, compared to 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?

    Oregon Convention Center is one of 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

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

  • 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.

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 £722, about £138 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 £626 return in that month – typically £369 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 stopover option averages £632 return on this route – about £197 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
  • 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?

 
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 hire