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$590 Cheap Flights from London (LHR) to Portland (PDX)

View $590 flight on Wed, Mar 17, 2027Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Portland International Airport (PDX)

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Cheap Flights from London to Portland (LHR-PDX)

Prices were available within the past 7 days and start at $590 for one-way flights and $811 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, Nov 22 - Sat, Nov 28
LHR
London
PDX
Portland
$811 Roundtrip, found 3 hours ago
$811
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Sun, Nov 22 from London to Portland, returning Sat, Nov 28, priced at $811 found 3 hours ago
Icelandair
Sun, Nov 22 - Sat, Nov 28
LHR
London
PDX
Portland
$812 Roundtrip, found 3 hours ago
$812
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Sun, Nov 22 from London to Portland, returning Sat, Nov 28, priced at $812 found 3 hours ago
Icelandair
Sat, Dec 5 - Thu, Dec 17
LHR
London
PDX
Portland
$850 Roundtrip, found 4 hours ago
$850
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Sat, Dec 5 from London to Portland, returning Thu, Dec 17, priced at $850 found 4 hours ago
Icelandair
Tue, Oct 6 - Wed, Oct 14
LHR
London
PDX
Portland
$888 Roundtrip, found 1 day ago
$888
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Oct 6 from London to Portland, returning Wed, Oct 14, priced at $888 found 1 day ago
Lufthansa
Wed, Oct 7 - Tue, Oct 20
LHR
London
PDX
Portland
$896 Roundtrip, found 6 hours ago
$896
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Wed, Oct 7 from London to Portland, returning Tue, Oct 20, priced at $896 found 6 hours ago
Air Canada
Sun, Nov 22 - Sat, Nov 28
LHR
London
PDX
Portland
$914 Roundtrip, found 3 hours ago
$914
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sun, Nov 22 from London to Portland, returning Sat, Nov 28, priced at $914 found 3 hours ago
Iberia
Mon, Nov 23 - Mon, Nov 30
LHR
London
PDX
Portland
$914 Roundtrip, found 8 hours ago
$914
Roundtrip
found 8 hours ago
Select Iberia flight, departing Mon, Nov 23 from London to Portland, returning Mon, Nov 30, priced at $914 found 8 hours ago
British Airways
Wed, Oct 7 - Tue, Oct 20
LHR
London
PDX
Portland
$914 Roundtrip, found 6 hours ago
$914
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Oct 7 from London to Portland, returning Tue, Oct 20, priced at $914 found 6 hours ago
Alaska Airlines
Mon, Feb 1 - Mon, Feb 8
LHR
London
PDX
Portland
$917 Roundtrip, found 4 hours ago
$917
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Feb 1 from London to Portland, returning Mon, Feb 8, priced at $917 found 4 hours ago
Virgin Atlantic
Tue, Sep 15 - Wed, Sep 30
LHR
London
PDX
Portland
$924 Roundtrip, found 6 hours ago
$924
Roundtrip
found 6 hours ago
Select Virgin Atlantic flight, departing Tue, Sep 15 from London to Portland, returning Wed, Sep 30, priced at $924 found 6 hours ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $1,352
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $1,352

What you need to know for your flight from Heathrow to Portland Intl.

London (LHR) to Portland (PDX) at a glance

Explore a range of options for flights from London (LHR) to Portland (PDX) on this long-haul international route. Whether you prefer full-service airlines or low-cost carriers, you can compare various itineraries to suit your budget and travel schedule as you discover Portland's iconic attractions and neighborhoods. Get all the essential information for your journey from Heathrow Airport (LHR) to Portland International Airport (PDX).

  • Fastest flight duration: around 10 hours non-stop
  • Route distance: roughly 4,900 miles (7,890 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $400–$2450, depending on seasonality and how far ahead you book

Flights from Heathrow Airport (LHR) to Portland International Airport (PDX)

Based on recent traveler bookings, here are the top airlines for flights from London to Portland, focusing on both non-stop and one-stop options. Many travelers prefer connecting flights with popular layovers at Keflavik International Airport (KEF), which typically has a 1 hour and 30 minute layover, and Seattle-Tacoma International Airport (SEA) with about a 3-hour layover. This variety allows you to customize your itinerary based on price, total travel time, and cabin class.

  • British Airways: As a major player in the airline industry, this full-service carrier provides non-stop flights. One-way tickets generally range from $400 to $3045, making up about 32% of departures on this route, with a total travel time of around 10 hours.
  • Icelandair: Known for its full-service options, Icelandair offers both one-stop and multi-stop flights. Their one-way fares typically fall between $550 and $1760, accounting for roughly 29% of departures, with an in-flight duration of 11 hours and 15 minutes, leading to a total journey time of about 13 hours.
  • Delta: This full-service airline provides one-stop service, with one-way fares usually ranging from $440 to $2580. Delta represents around 9% of departures on this route, boasting an in-flight time of 11 hours and 15 minutes, resulting in a total travel duration of approximately 13 hours, including layover.
  • American Airlines: Offering non-stop service, this full-service carrier features one-way fares that typically range from $490 to $2780. American Airlines accounts for about 6% of departures for this route, with a total journey time of around 10 hours.
  • United: This full-service airline provides one-stop options, with one-way fares generally between $440 and $2980. United accounts for approximately 4% of departures on this route, with an in-flight duration of 11 hours and 15 minutes, leading to an overall travel time of about 13 hours, including layover.

Travelers can enhance their journey from London to Portland by upgrading their flights. British Airways provides both Business Class and Premium Economy, while Icelandair offers options in Business Class.

Best time to fly from London (LHR) to Portland (PDX)

The most popular months for travelers flying from London to Portland are January, July, and December, when peak temperatures in Portland reach up to 69.1°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.4°F. For better deals, September usually offers the lowest average one-way fare around $738. Flight availability peaks in January, May, July, September, and December, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $738, roughly 36% cheaper than the yearly average.
  • Most flight options: January, May, July, September, and December have the highest number of flights from London to Portland, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.8°F (4.9°C)High9$1144
February41.4°F (5.2°C)Low7$875
March45.0°F (7.2°C)Average8$1243
April49.5°F (9.7°C)Average8$1543
May56.7°F (13.7°C)Average9$1342
June62.4°F (16.9°C)Average8$1050
July69.1°F (20.6°C)High9$1572
August70.3°F (21.3°C)Average8$1606
September64.0°F (17.8°C)Average9$738
October54.7°F (12.6°C)Low7$1044
November45.5°F (7.5°C)Low8$895
December39.9°F (4.4°C)High9$947

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from London (LHR) to Portland (PDX)

  • London to Portland (LCY-PDX): London City Airport (LCY) is located approximately 22 miles from Heathrow Airport (LHR).
  • London to Portland (LGW-PDX): Gatwick Airport (LGW) is around 25 miles distant from Heathrow Airport (LHR).
  • London to Salem (LHR-SLE): McNary Field Airport (SLE) is about 51 miles from Portland International Airport (PDX).

How to find the best prices for flights from London (LHR) to Portland (PDX)

Getting some of the best deals on flights from London to Portland is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures between 12pm and 6pm often provide lower prices and are also the most popular. Additionally, flying on Monday typically yields cheaper rates, while Friday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Portland International Airport from Heathrow Airport

Portland welcomes travelers from London with a range of transport options based on price, convenience, and proximity. For departures, Heathrow Airport is roughly a 35-minute drive (covering about 19 miles) from central London. Here's how to reach Portland efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Portland, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Portland International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Portland International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Portland International Airport, both the Portland International Airport Bus Stop (a bus station) and the Portland International Airport Station (a metro station) are conveniently located about 0.3 miles away on foot, offering easy access to local transit. For train connections, Portland Union Station (a train station) is approximately 9 miles from the airport by car.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) cost?
You can find cheap one-way flights from $590 and cheap return flights from $811 London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) with Expedia. One-way flights typically cost between $639 and $3912, and return flights often range between $789 and $4240. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
The cheapest month to fly from LHR to PDX is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
British Airways offers around 7 weekly direct flights from LHR to PDX.
What is the cheapest airline that flies from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
Aer Lingus is one of the cheapest airlines offering nonstop flights from London (LHR) to Portland, OR (PDX), with round-trip tickets starting from around $1,142. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
The best airline to fly with from London (LHR) to Portland, OR (PDX) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. British Airways offers the most daily flights from London to Portland, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
You can find approximately 1 nonstop flights per day from Heathrow (LHR) to Portland Intl. (PDX). For more options, look at flights that include layovers.
What is the earliest flight from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
The earliest flight from London (LHR-Heathrow) to Portland (PDX-Portland Intl.) usually departs at around 6:00 AM, operated by Swiss International Air Lines and United. This seasonal service is available in January and February, giving you a head start on your day in Portland. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
For flights from London (LHR) to Portland (PDX), the most popular departure times are in the late morning, from 9am to noon. About 35% of passengers choose this time window. Many major carriers, including United Airlines, American Airlines, and Delta Airlines, offer flights during this window. This timing is favored as it allows you to arrive in Portland with plenty of time to enjoy the afternoon and evening.
How long does it take to fly from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
A nonstop flight from LHR to PDX typically takes around 10 hours, covering approximately 4,900 miles. Connecting flights on this route usually add 6 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
You can fly business class between LHR and PDX. Airlines that offer business class service on this route include:

  • Lufthansa
  • KLM
  • British Airways
  • Icelandair
  • Air Canada
  • American Airlines
  • Delta Air Lines
  • United Airlines
  • SAS
  • Virgin Atlantic

First class is available with British Airways and American Airlines.
How do I earn miles on a London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Portland from Heathrow (LHR)?
When traveling from Heathrow (LHR) to Portland, you can fly into Portland Intl. Jetport (PWM) and Portland Intl. (PDX). Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Liberty Intl. (EWR), Pearson Intl. (YYZ) before reaching Portland. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) Portland Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.)?
If you booked your London (LHR-Heathrow) to Portland, OR (PDX-Portland Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Heathrow
Destination airport
Portland Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic, WestJet
Roundtrip price
$810
Distance
4899 mi

Book with confidence

London to Portland Flights

The cheapest times to fly from London to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Portland are during the month of November. You can find some of the cheapest flights from London to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Portland

Sunday is one of the best days to book for cheap flights from London to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Portland in 2026. You can also book with separate airlines for your outbound and return journeys, from $590 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Portland Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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