
Popular airlines from Portland International Airport (PDX) to Heathrow Airport (LHR)
- British Airways
British Airways
- Iberia
Iberia
- Finnair
Finnair
- Alaska Airlines
Alaska Airlines
- Lufthansa
Lufthansa
- Virgin Atlantic
Virgin Atlantic
- Air Canada
Air Canada
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 15% on select hotels after you book a flight*payments icon
Cheap flights from Portland to London (PDX-LHR)
Prices were available within the past 7 days and start at €340 for one-way flights and €450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 2 Oct - Wed, 15 Oct
PDX
Portland
LHR
London
€450 Return, found 1 day ago
€450
Return
found 1 day ago

Thu, 2 Oct - Wed, 15 Oct
PDX
Portland
LHR
London
€453 Return, found 1 day ago
€453
Return
found 1 day ago

Wed, 20 Aug - Sun, 24 Aug
PDX
Portland
LHR
London
€506 Return, found 4 days ago
€506
Return
found 4 days ago

Sun, 8 Mar - Sun, 15 Mar
PDX
Portland
LHR
London
€508 Return, found 1 day ago
€508
Return
found 1 day ago

Wed, 20 Aug - Sun, 24 Aug
PDX
Portland
LHR
London
€511 Return, found 4 days ago
€511
Return
found 4 days ago

Thu, 21 Aug - Wed, 3 Sep
PDX
Portland
LHR
London
€512 Return, found 5 days ago
€512
Return
found 5 days ago

Sun, 8 Mar - Sun, 15 Mar
PDX
Portland
LHR
London
€514 Return, found 1 day ago
€514
Return
found 1 day ago

Wed, 20 Aug - Sun, 24 Aug
PDX
Portland
LHR
London
€516 Return, found 4 days ago
€516
Return
found 4 days ago

Thu, 21 Aug - Wed, 3 Sep
PDX
Portland
LHR
London
€518 Return, found 5 days ago
€518
Return
found 5 days ago

Sun, 8 Mar - Sun, 15 Mar
PDX
Portland
LHR
London
€518 Return, found 1 day ago
€518
Return
found 1 day ago
Find the cheapest month to fly from Portland (PDX) to London (LHR)
October is typically the cheapest month to fly
From €430 - €1,021 per traveller.
Graph displaying average flight prices per month
Origin airport | Portland Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet |
Return price | €449 |
Distance | 7839 km |
Average flight time | 9 hours 35 mins |
Perfect flights from Portland to London
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Portland to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Portland Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €340 and roundtrip prices from €450. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Top Flights Destinations
- More Airlines
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes to London
- Zagreb to London (ZAG - LHR)
- Knock to London (NOC - LHR)
- Kraków to London (KRK - LHR)
- Cork to London (ORK - LHR)
- Bucharest to London (OTP - LHR)
- Larnaca to London (LCA - LHR)
- Sofia to London (SOF - LHR)
- Porto to London (OPO - LHR)
- Dublin to London (DUB - LHR)
- Budapest to London (BUD - LHR)
- Shannon to London (SNN - LHR)
- Athens to London (ATH - LHR)
Top Flight Destinations
- Flights to London
- Flights to Edinburgh
- Flights to Manchester
- Flights to Liverpool
- Flights to Glasgow
- Flights to Birmingham
- Flights to Blackpool
- Flights to York
- Flights to Bournemouth
- Flights to Brighton
- Flights to Bristol
- Flights to Cardiff
- Flights to Bath
- Flights to Oxford
- Flights to Southampton
- Flights to Newcastle-upon-Tyne
- Flights to Belfast
- Flights to Leeds
- Flights to Inverness
- Flights to Llandudno
Expedia's Latest Trends
Flights
- Flights from Dublin (DUB) to Bristol (BRS)
- Flights from Londonderry (LDY) to Liverpool (LPL)
- Flights from Cork (ORK) to Birmingham (BHX)
- Flights from Dublin (DUB) to Derby (EMA)
- Flights from Birmingham (BHX) to Dublin (DUB)
- Flights from Dublin (DUB) to Ulceby (HUY)
- Flights from Dublin (DUB) to Norwich (NWI)
- Flights from Cork (ORK) to Bristol (BRS)
- Flights from Shannon (SNN) to Manchester (MAN)
- Flights from Crumlin (BFS) to Manchester (MAN)
- Flights from Dublin (DUB) to Birmingham (BHX)
- Flights from Dublin (DUB) to Manchester (MAN)
- Flights from Dublin (DUB) to Newquay (NQY)
- Flights from Dublin (DUB) to Lytham St. Anne's (BLK)
- Flights from Cork (ORK) to Liverpool (LPL)
- Flights from Dublin (DUB) to Liverpool (LPL)
- Flights from Crumlin (BFS) to Birmingham (BHX)
- Flights from Dublin (DUB) to Luton (LTN)
- Flights from Dublin (DUB) to Leeds (LBA)
- Flights from Dublin (DUB) to Darlington (MME)
- Flights from Kilkelly (NOC) to Leeds (LBA)
- Flights from Dublin (DUB) to Stroud (GLO)
- Flights from Dublin (DUB) to Southampton (SOU)
- Flights from Dublin (DUB) to Newcastle-upon-Tyne (NCL)
- Flights from Crumlin (BFS) to Liverpool (LPL)
- Flights from Exeter (EXT) to Dublin (DUB)
- Flights from Dublin (DUB) to Exeter (EXT)
- Flights from Cork (ORK) to Newcastle-upon-Tyne (NCL)
- Flights from Manchester (MAN) to Dublin (DUB)
- Flights from Dublin (DUB) to Cambridge (CBG)
*Available to Expedia members.