RM2,770 Cheap Flights from London (LHR) to Portland (PDX)

View RM2,770 flight on Wed, 8 Oct 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London to Portland (LHR-PDX)

Prices were available within the past 7 days and start at RM2,770 for one-way flights and RM3,183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,183 Return, found 1 day ago
RM3,183
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,183 found 1 day ago
Air Canada
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,238 Return, found 1 day ago
RM3,238
Return
found 1 day ago
Select Air Canada flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,238 found 1 day ago
United
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,289 Return, found 1 day ago
RM3,289
Return
found 1 day ago
Select United flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,289 found 1 day ago
Swiss International Air Lines
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,293 Return, found 1 day ago
RM3,293
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,293 found 1 day ago
United
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,324 Return, found 1 day ago
RM3,324
Return
found 1 day ago
Select United flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,324 found 1 day ago
Swiss International Air Lines
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,328 Return, found 1 day ago
RM3,328
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,328 found 1 day ago
American Airlines
Mon, 22 Sep - Wed, 1 Oct
LHR
London
PDX
Portland
RM3,336 Return, found 1 day ago
RM3,336
Return
found 1 day ago
Select American Airlines flight, departing Mon, 22 Sep from London to Portland, returning Wed, 1 Oct, priced at RM3,336 found 1 day ago
Delta
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,360 Return, found 1 day ago
RM3,360
Return
found 1 day ago
Select Delta flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,360 found 1 day ago
Swiss International Air Lines
Thu, 9 Oct - Thu, 23 Oct
LHR
London
PDX
Portland
RM3,366 Return, found 1 day ago
RM3,366
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Thu, 9 Oct from London to Portland, returning Thu, 23 Oct, priced at RM3,366 found 1 day ago
Air Canada
Wed, 8 Oct - Wed, 22 Oct
LHR
London
PDX
Portland
RM3,371 Return, found 1 day ago
RM3,371
Return
found 1 day ago
Select Air Canada flight, departing Wed, 8 Oct from London to Portland, returning Wed, 22 Oct, priced at RM3,371 found 1 day ago

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

May is typically the cheapest month to fly

From RM 2,396 - RM 4,957 per traveller.

Graph displaying average flight prices per month

London to Portland route information
Origin airport
Heathrow
Destination airport
Portland Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, United
Return price
RM3,183
Distance
7839 km
Average flight time
9 hours 55 mins

Perfect flights from London to Portland

Your Journey from London to Portland

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Portland caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, Swiss International Air Lines, Air Canada, United, American Airlines, Delta, Lufthansa. Our selection of flights from Heathrow to Portland Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Portland Flights

Experience the joy of finding cheap flights from Heathrow to Portland Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM2,770 and roundtrip prices from RM3,183*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Portland with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Portland

Picture yourself stepping off the plane in Portland and immersing yourself in the unique atmosphere of Portland. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Portland Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Portland.
 

Beyond the Flight – Exploring Portland

With Expedia, your adventure extends beyond the flight. Explore Portland at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Portland with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Portland with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from LHR to Portland Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from LHR to PDX start from RM3,183. Make your booking today to get the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Portland Airport?
Each air carrier has its own terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Heathrow Airport (LHR) to Portland Intl. Airport (PDX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to PDX Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Portland Airport?
With a flight distance of 7,900 kilometres from Heathrow Airport (LHR) to PDX Airport, this is a long-haul journey. Make sure you stay hydrated and go for a short walk down the aisle from time to time.
Which airlines fly direct from Heathrow Airport to PDX Airport?
British Airways (BA) will fly you from LHR to PDX Airport comfortably and safely. Take your pick of 17 direct flights every month on this route.
Are London Heathrow to PDX Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from London Heathrow to PDX Airport can be hit-or-miss. It is possible to score a bargain, but you could also miss out entirely! If you'd rather start planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines release their prices that far in advance. Our advice? Check back often as updates are made frequently.

Explore a world of travel with Expedia

*Available to Expedia members.