PDX - LHR

$298 Find Cheap Flights from Portland to London Heathrow Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$789
Typical prices: $746-$1,216
British Airways
Sun 11/11Thu 11/22
PDX - LHR • Non-stop
Cheapest one-way
$300
Typical prices: $435-$674
Icelandair
Thu 2/1
PDX - LHR • 1 stop
Nonstop flights
You can fly direct with British Airways. Average duration is 9h 33m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $775 (round-trip)
Shortest trip • 12h 59m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Portland to Heathrow (PDX-LHR)

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

Recent round-trip flight deals from Portland to Heathrow

Wed, Nov 11 - Sun, Nov 22
British Airways Logo
5:45 pm - 11:20 amPDX  Portland-LHR London Heathrow
9h 35mnonstop
British Airways Logo
1:35 pm - 3:50 pmLHR  London Heathrow-PDX Portland
10h 15mnonstop
$789British Airways
Wed, Nov 11 - Sun, Nov 22
Lufthansa Logo
10:00 am - 11:50 amPDX  Portland-LHR London Heathrow
17h 50m1 stop Vancouver Intl
Lufthansa Logo
6:30 am - 7:12 pmLHR  London Heathrow-PDX Portland
20h 42m2 stops Frankfurt am Main Chicago O'Hare Intl
$793Lufthansa
Wed, Nov 11 - Sun, Nov 22
Lufthansa Logo
10:00 am - 11:50 amPDX  Portland-LHR London Heathrow
17h 50m1 stop Vancouver Intl
Lufthansa Logo
2:30 pm - 2:41 pmLHR  London Heathrow-PDX Portland
32h 11m1 stop Vancouver Intl
$797Lufthansa
Sat, Oct 17 - Sun, Oct 25
Air Canada Logo
7:45 pm - 1:20 pmPDX  Portland-LHR London Heathrow
33h 35m1 stop Vancouver Intl
Air Canada Logo
1:25 pm - 9:26 amLHR  London Heathrow-PDX Portland
27h 01m2 stops Calgary Vancouver Intl
$801Air Canada
Wed, Nov 11 - Sun, Nov 22
Air Canada Logo
7:00 am - 9:20 amPDX  Portland-LHR London Heathrow
18h 20m2 stops Vancouver Intl Calgary
Air Canada Logo
1:25 pm - 9:26 amLHR  London Heathrow-PDX Portland
28h 01m2 stops Calgary Vancouver Intl
$801Air Canada
Sat, Oct 17 - Sun, Oct 25
United Airlines Logo
7:45 pm - 1:20 pmPDX  Portland-LHR London Heathrow
33h 35m1 stop Vancouver Intl
United Airlines Logo
10:00 am - 11:17 pmLHR  London Heathrow-PDX Portland
20h 17m1 stop Houston George Bush Intcntl
$812United Airlines
Thu, Oct 15 - Mon, Nov 2
Iberia Logo
7:30 pm - 1:00 pmPDX  Portland-LHR London Heathrow
9h 30mnonstop
Iberia Logo
1:35 pm - 3:50 pmLHR  London Heathrow-PDX Portland
10h 15mnonstop
$852Iberia
Sun, Feb 7 - Sat, Feb 20
United Airlines Logo
4:05 pm - 5:55 amPDX  Portland-LHR London Heathrow
29h 50m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:40 am - 8:33 pmLHR  London Heathrow-PDX Portland
20h 53m2 stops Chicago O'Hare Intl San Francisco
$852United Airlines
Thu, Oct 15 - Mon, Nov 2
British Airways Logo
2:25 pm - 12:45 pmPDX  Portland-LHR London Heathrow
14h 20m1 stop Dallas/Fort Worth
British Airways Logo
1:35 pm - 3:50 pmLHR  London Heathrow-PDX Portland
10h 15mnonstop
$852British Airways
Wed, Sep 30 - Wed, Oct 14
Iberia Logo
7:30 pm - 1:00 pmPDX  Portland-LHR London Heathrow
9h 30mnonstop
Iberia Logo
3:40 pm - 5:40 pmLHR  London Heathrow-PDX Portland
10h 00mnonstop
$855Iberia
Booking Insights

Price, demand and travel trends for Portland to London Heathrow Airport flights

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

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

Round-trip flights from Portland to London Heathrow Airport start at $789. Prices are typical for this route right now, with typical round-trip fares ranging from $746 to $1,216. The lowest price found in the past 5 days was $789 on British Airways.

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

Tuesday is the cheapest day of the week to fly from Portland to London Heathrow Airport, it is 12% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Portland to London Heathrow Airport at $698 round-trip.
  • July ($1,297) and June ($1,165) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 85% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Portland to London Heathrow Airport the cheapest?

Flights from Portland to London Heathrow Airport are cheapest 9 weeks before departure. Booking in this window typically costs about 18% 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 Portland to Heathrow

 
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 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.

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.

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 Portland to London Heathrow Airport flights

Low season

January

Cheapest flight

$300
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 36% increase in price.
Flight from Portland to London Heathrow Airport

When to book flights from Portland to Heathrow

Are your dates flexible? Find out the best times to travel from Portland to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Is there a shopping area at PDX Airport?

    Yes, duty-free shopping is available at the airport. Travelers can consider buying items from the airport at lower prices. The service is available to all travelers regardless of your flight class.

  • Are there food and drinks at the PDX airport?

    Yes. The food concessions are open from 4 am and close at midnight. The travelers can order something to eat and drink before departure time. Grab-and-go foods suit travelers in a hurry since they can carry the food. The service is available to all travelers regardless of your flight class.

  • Are there currency exchange facilities at LHR Airport?

    Yes. Travelex offers services in all the terminal booths. The airport requires travelers to use the order-online and service to avoid congestion. There are ATMs for those who need cash while at the airport. It is located at the Landslide and Airside in all the terminals.

  • Does the LHR airport have relaxation rooms?

    Yes. The rest zones at the airport are found at terminal 3. They have reclining chairs where the traveler can have a good time on arrival at the airport. It also has sofas where you can sit comfortably. Snacks are also available at the rest zones.

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

    Among airlines operating Portland to London Heathrow Airport flights:

    • British Airways: offers extra legroom; offers free seat selection
    • Iberia: offers free seat selection
    • American Airlines: offers free seat selection
    • Aer Lingus: offers free seat selection

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

  • What airlines are available from Portland to London Heathrow Airport?

    Only British Airways operates flights between Portland and London Heathrow Airport.

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

    Flights from Portland to London Heathrow Airport usually depart from Portland (PDX) and arrive at London Heathrow (LHR).

  • Which airlines include bags at no extra cost on Portland to London Heathrow Airport 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
    • Iberia: 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 travelers should check the fare details before booking.

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

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

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

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $775 round-trip via Reykjavik Keflavik Intl (KEF), compared to $1,022 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $70–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Portland to London Heathrow Airport?

    The Boeing 787-10 Dreamliner family is used most often on this route, operated mainly by British Airways and Iberia. Other aircraft seen on the route include Boeing 787-8 Dreamliner variants.

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

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

    • Reykjavik Keflavik Intl (KEF) - 55% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 27% of one-stop connections
    • Vancouver Intl (YVR) - 7% of one-stop connections
    • Dallas/Fort Worth (DFW) - 3% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Portland to London Heathrow Airport route. Tuesday is the cheapest departure day at $849 round-trip on average, while Saturday is the most expensive at $1,073, a difference of $224. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

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

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

    • Earliest: departs at 5:45 pm and lands at 3:18 am
    • Latest: departs at 7:30 pm and lands at 5:03 am.

    The flight takes about 9h 33m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 8% above the route average of $955. Book 9 weeks before departure for the lowest fares.

  • How long is a flight from Portland to London Heathrow Airport?

    A nonstop flight from Portland to London Heathrow Airport takes 9h 33m, covering 4,896 miles.

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

    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 are flight prices from Portland to London Heathrow Airport looking right now?

    One-way fares from Portland to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $337, which is 38% below the typical average for this route.

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 12h 59m, compared with 13h 01m via Seattle/Tacoma Intl (SEA) and 13h 02m via Amsterdam Schiphol (AMS).

  • What is the time difference between Portland and London Heathrow Airport?

    London Heathrow Airport is 8 hours ahead of Portland (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

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

    Round-trip flights from Portland to London Heathrow Airport range from $746 to $1,216, with an average of $955 over the past 12 months. Anything below $746 counts as a good deal.

Your guide to booking Portland to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $849 - about $224 less than Saturday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to London Heathrow Airport trip for January. Fares historically average $698 round-trip in that month - typically $599 less than the most expensive month, which is July (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 $775 round-trip on this route - about $248 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 London Heathrow Airport.
    - Hilton London Heathrow Airport
  • Portland International Airport (PDX) has lounges. The lounges are available to all travelers. Alaska lounge is available at Concourse C and United Club at Concourse E. the airline lounges are available to members only. Delta Sky Club is located at Concourse D. A military lounge called USO is also available. It serves military members together with their families.
  • PDX Airport offers family services to travelers. It has baby care facilities for the mothers; the nursing rooms enable lactating mothers to breastfeed their babies freely. They can pump milk for their babies before the departure time. There is also a children's play area at Concourse C near gate 17. The children can freely play within as they wait for the departing flight.
  • PDX Airport offers currency exchange facilities to travelers. You can exchange the currency before you depart. The exchange rates are generally fair. It also has ATMs for travelers who need cash. This may cost you some fee, but still, it is convenient. It is located at the Landslide and the Airside.
  • London Heathrow Airport (LHR) has onsite hotels. Aerotel Heathrow is located at Terminal 3. It has guest rooms where travelers can have some rest on arrival. Plaza Premium is also available. It has beds where travelers can take a nap on arrival. There are single and double rooms. A traveler can choose the kind of room that suits them. They are available to all travelers at affordable prices, depending on your room.
  • LHR Airport provides medical services to travelers on arrival. For an emergency, you are allowed to dial the airport's internal phone for an ambulance. The number to dial is 222. It also has a pharmacy where you can buy medicine. There is a medical area within the airport where you can get services in case of minor illness at the airport.

Prefer to fly direct from Portland to London Heathrow Airport?

 
Find which airlines fly direct from Portland Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Portland to London Heathrow

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

London Heathrow 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

More options for your flight from Portland to Heathrow

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