
Popular airlines from Portland International Airport (PDX) to Heathrow Airport (LHR)
- British Airways
British Airways
- Virgin Atlantic
Virgin Atlantic
- American Airlines
American Airlines
- Delta
Delta
- Air Canada
Air Canada
- Alaska Airlines
Alaska Airlines
- Finnair
Finnair
- Plan, book, fly with confidence
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Cheap flights from Portland (PDX) to London (LHR)
Prices were available within the past 7 days and start at CA $419 for one-way flights and CA $712 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Portland (PDX) to London (LHR)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Portland Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic |
Roundtrip price | CA $711 |
Distance | 7839 km |
Average flight time | 9 hours 35 mins |
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 $712 rising to CA $754.
Here are more money-saving tips:
- Fly in December 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.
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Top Routes from Portland
- Portland to Calgary (PDX - YYC)
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- Portland to Sacramento (PDX - SMF)
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- Portland to Vancouver (PDX - YVR)
- Portland to Ontario (PDX - ONT)
Top Routes to London
- Ottawa to London (YOW - LHR)
- Calgary to London (YYC - LHR)
- Kelowna to London (YLW - LHR)
- Winnipeg to London (YWG - LHR)
- Halifax to London (YHZ - LHR)
- Delhi to London (DEL - LHR)
- Victoria to London (YYJ - LHR)
- Québec to London (YQB - LHR)
- Seattle to London (SEA - LHR)
- Montreal to London (YUL - LHR)
- Vancouver to London (YVR - LHR)
- Kitchener to London (YKF - LHR)
Top Routes from Portland
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London
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