S$1,247 Cheap Flights from London to Portland

View S$1,247 flight on Sat, 16 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$1,247 for one-way flights and S$970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$970 Return, found 2 hours ago
S$970
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$970 found 2 hours ago
Swiss International Air Lines
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,004 Return, found 2 hours ago
S$1,004
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,004 found 2 hours ago
Swiss International Air Lines
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,014 Return, found 2 hours ago
S$1,014
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,014 found 2 hours ago
Delta
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,017 Return, found 2 hours ago
S$1,017
Return
found 2 hours ago
Select Delta flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,017 found 2 hours ago
United
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,017 Return, found 2 hours ago
S$1,017
Return
found 2 hours ago
Select United flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,017 found 2 hours ago
American Airlines
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,017 Return, found 2 hours ago
S$1,017
Return
found 2 hours ago
Select American Airlines flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,017 found 2 hours ago
KLM
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,021 Return, found 2 hours ago
S$1,021
Return
found 2 hours ago
Select KLM flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,021 found 2 hours ago
Virgin Atlantic
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,025 Return, found 2 hours ago
S$1,025
Return
found 2 hours ago
Select Virgin Atlantic flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,025 found 2 hours ago
United
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,027 Return, found 2 hours ago
S$1,027
Return
found 2 hours ago
Select United flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,027 found 2 hours ago
Finnair
Mon, 25 Aug - Tue, 9 Sep
LHR
London
PDX
Portland
S$1,033 Return, found 2 hours ago
S$1,033
Return
found 2 hours ago
Select Finnair flight, departing Mon, 25 Aug from London to Portland, returning Tue, 9 Sep, priced at S$1,033 found 2 hours ago

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

May is typically the cheapest month to fly

From S$723 - S$1,510 per traveller.

Graph displaying average flight prices per month

London to Portland route information
Origin airport
Heathrow
Destination airport
Portland Intl.
Return price
S$970
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 Swiss International Air Lines, Delta, United, American Airlines, KLM, Virgin Atlantic, Finnair, WestJet, 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 S$1,247 and roundtrip prices from S$970*.
 

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$970. 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.

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