$507 Cheap Flights from London (LHR) to Portland (PDX)

View $507 flight on Mon, May 11, 2026Opens in a new window

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

Cheap Flights from London to Portland (LHR-PDX)

Prices were available within the past 7 days and start at $507 for one-way flights and $674 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, Nov 5 - Sat, Nov 15
LHR
London
PDX
Portland
$674 Roundtrip, found 1 day ago
$674
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Nov 5 from London to Portland, returning Sat, Nov 15, priced at $674 found 1 day ago
Icelandair
Wed, Nov 5 - Mon, Nov 10
LHR
London
PDX
Portland
$746 Roundtrip, found 16 hours ago
$746
Roundtrip
found 16 hours ago
Select Icelandair flight, departing Wed, Nov 5 from London to Portland, returning Mon, Nov 10, priced at $746 found 16 hours ago
Icelandair
Mon, Apr 13 - Thu, Apr 16
LHR
London
PDX
Portland
$747 Roundtrip, found 22 hours ago
$747
Roundtrip
found 22 hours ago
Select Icelandair flight, departing Mon, Apr 13 from London to Portland, returning Thu, Apr 16, priced at $747 found 22 hours ago
JetBlue Airways
Wed, Apr 29 - Tue, May 12
LHR
London
PDX
Portland
$749 Roundtrip, found 22 hours ago
$749
Roundtrip
found 22 hours ago
Select JetBlue Airways flight, departing Wed, Apr 29 from London to Portland, returning Tue, May 12, priced at $749 found 22 hours ago
Lufthansa
Tue, Nov 25 - Mon, Dec 8
LHR
London
PDX
Portland
$787 Roundtrip, found 1 day ago
$787
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Nov 25 from London to Portland, returning Mon, Dec 8, priced at $787 found 1 day ago
British Airways
Mon, Nov 24 - Mon, Dec 1
LHR
London
PDX
Portland
$804 Roundtrip, found 1 day ago
$804
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Nov 24 from London to Portland, returning Mon, Dec 1, priced at $804 found 1 day ago
British Airways
Mon, Dec 8 - Mon, Dec 15
LHR
London
PDX
Portland
$812 Roundtrip, found 1 day ago
$812
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Dec 8 from London to Portland, returning Mon, Dec 15, priced at $812 found 1 day ago
Air Canada
Wed, Nov 26 - Tue, Dec 2
LHR
London
PDX
Portland
$813 Roundtrip, found 22 hours ago
$813
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Wed, Nov 26 from London to Portland, returning Tue, Dec 2, priced at $813 found 22 hours ago
Virgin Atlantic
Wed, Nov 26 - Wed, Dec 17
LHR
London
PDX
Portland
$823 Roundtrip, found 15 hours ago
$823
Roundtrip
found 15 hours ago
Select Virgin Atlantic flight, departing Wed, Nov 26 from London to Portland, returning Wed, Dec 17, priced at $823 found 15 hours ago
Delta
Wed, Dec 10 - Wed, Dec 17
LHR
London
PDX
Portland
$823 Roundtrip, found 16 hours ago
$823
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Dec 10 from London to Portland, returning Wed, Dec 17, priced at $823 found 16 hours ago

Find the cheapest month to fly from London (LHR) to Portland (PDX)

September is typically the cheapest month to fly

From $568 - $1,198 per traveler.

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 $761
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $761
Flights from London (LHR) to Portland (PDX)
Origin airport
Heathrow
Destination airport
Portland Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$673
Distance
4899 mi
Average flight time
11 hours 10 mins

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 2025. You can also book with separate airlines for your outbound and return journeys, from $507 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.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Portland Intl. Airport (PDX) cost?
Get a cheap one-way flight from $507 or cheap return flight from $674 from Heathrow Airport (LHR) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Portland Intl. Airport (PDX)?
November is the cheapest month to fly from LHR to PDX. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LHR to PDX flight.
How many flights per day from Heathrow Airport (LHR) to Portland Intl. Airport (PDX)?
You'll need to take a flight with a layover when traveling from Heathrow Airport (LHR) to Portland Intl. Airport (PDX). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from LHR to PDX?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from LHR to PDX?
With 100% of flights typically arriving on time, Virgin Atlantic has the best on-time performance for direct flights from Heathrow Airport (LHR) to Portland Intl. Airport (PDX). To check your flight status and receive notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to Portland Intl. Airport (PDX)?
Select a flight from Heathrow Airport (LHR) to Portland Intl. Airport (PDX) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from LHR to PDX are usually more expensive. For the best rates, start looking for flights ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket right before your trip.
Is it cheaper to book a LHR to PDX flight and hotel package?
You can save money by booking a LHR to PDX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Portland Intl. Airport (PDX)?
Typically, you can reschedule or cancel your LHR to PDX flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.