S$1,254 Cheap Flights from London to Portland

View S$1,254 flight on Tue, 26 Aug, 2025Opens 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 S$1,254 for one-way flights and S$1,459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 21 Aug - Sun, 31 Aug
LHR
London
PDX
Portland
S$1,459 Return, found 1 day ago
S$1,459
Return
found 1 day ago
Select United flight, departing Thu, 21 Aug from London to Portland, returning Sun, 31 Aug, priced at S$1,459 found 1 day ago
United
Thu, 21 Aug - Sun, 31 Aug
LHR
London
PDX
Portland
S$1,467 Return, found 1 day ago
S$1,467
Return
found 1 day ago
Select United flight, departing Thu, 21 Aug from London to Portland, returning Sun, 31 Aug, priced at S$1,467 found 1 day ago
Austrian Airlines
Thu, 21 Aug - Sun, 31 Aug
LHR
London
PDX
Portland
S$1,492 Return, found 1 day ago
S$1,492
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 21 Aug from London to Portland, returning Sun, 31 Aug, priced at S$1,492 found 1 day ago
Austrian Airlines
Thu, 21 Aug - Sun, 31 Aug
LHR
London
PDX
Portland
S$1,500 Return, found 1 day ago
S$1,500
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 21 Aug from London to Portland, returning Sun, 31 Aug, priced at S$1,500 found 1 day ago
Lufthansa
Thu, 21 Aug - Sun, 31 Aug
LHR
London
PDX
Portland
S$1,506 Return, found 1 day ago
S$1,506
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 21 Aug from London to Portland, returning Sun, 31 Aug, priced at S$1,506 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 S$719 - S$1,488 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, Virgin Atlantic, WestJet
Return price
S$1,458
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, Lufthansa, United, Austrian Airlines, Air Canada. 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 15 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 S$1,254 and roundtrip prices from S$1,459*.
 

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 S$1,459. 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.