Popular airlines from Portland International Airport (PDX) to Heathrow Airport (LHR)
- Air Canada
Air Canada
- Alaska Airlines
Alaska Airlines
- Finnair
Finnair
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- Iberia
Iberia
- Lufthansa
Lufthansa
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap flights from Portland (PDX) to London (LHR)
Prices were available within the past 7 days and start at CA $369 for one-way flights and CA $988 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Portland Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, Lufthansa, Virgin Atlantic |
Roundtrip price | CA $987 |
Distance | 7839 km |
Portland to London Flights
The easy way to book your flights from Portland to London
With Expedia, it’s simple to find and book flights to London from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Alaska Airlines, Aer Lingus, Finnair, Iberia, Malaysia Airlines, British Airways nonstop flights to Heathrow, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to London today, tomorrow, or this week.
Save dollars with cheap flights from Portland Intl., PDX to Heathrow, LHR
Sort your search results by price to find great deals on your flight from Portland to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Portland currently is just CA $988 rising to CA $1,145.
Here are more money-saving tips:
- Fly in April when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to London
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to London from Portland
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Other Airlines
- Main Airports for Flights
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Portland
- Portland to Newark Liberty Intl. Airport (PDX - EWR)
- Portland to Mobile (PDX - MOB)
- Portland to San Diego (PDX - SAN)
- Portland to Calgary (PDX - YYC)
- Portland to Los Angeles (PDX - LAX)
- Portland to Washington (PDX - DCA)
- Portland to Palm Springs (PDX - PSP)
- Portland to Barcelona (PDX - BCN)
- Portland to Washington (PDX - IAD)
- Portland to New York (PDX - JFK)
- Portland to Montreal (PDX - YUL)
- Portland to Vancouver (PDX - YVR)
Top Routes to London
- Ottawa to London (YOW - LHR)
- Calgary to London (YYC - LHR)
- Kelowna to London (YLW - LHR)
- Saskatoon to London (YXE - LHR)
- Winnipeg to London (YWG - LHR)
- Halifax to London (YHZ - LHR)
- Victoria to London (YYJ - LHR)
- Québec to London (YQB - LHR)
- Dublin to London (DUB - LHR)
- Montreal to London (YUL - LHR)
- Vancouver to London (YVR - LHR)
- Kitchener to London (YKF - LHR)
Top Routes to London
Top Flight Destinations
- Flights to London
- Flights to Edinburgh
- Flights to Manchester
- Flights to Liverpool
- Flights to Glasgow
- Flights to York
- Flights to Birmingham
- Flights to Bath
- Flights to Bristol
- Flights to Brighton
- Flights to Blackpool
- Flights to Belfast
- Flights to Inverness
- Flights to Cardiff
- Flights to Newcastle-upon-Tyne
- Flights to Southampton
- Flights to Leeds
- Flights to Oxford
- Flights to Chester
- Flights to Whitby