CA $422 Cheap Flights from Portland (PDX) to London (LHR)

View CA $422 flight on Wed, Apr. 30, 2025Opens in a new window

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Cheap flights from Portland (PDX) to London (LHR)

Prices were available within the past 7 days and start at CA $422 for one-way flights and CA $879 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon., Mar. 3 - Tue., Mar. 18
PDX
Portland
LHR
London
CA $879 Roundtrip, found 4 days ago
CA $879
Roundtrip
found 4 days ago
Select Delta flight, departing Mon., Mar. 3 from Portland to London, returning Tue., Mar. 18, priced at CA $879 found 4 days ago
American Airlines
Mon., Mar. 31 - Tue., Apr. 15
PDX
Portland
LHR
London
CA $900 Roundtrip, found 1 day ago
CA $900
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon., Mar. 31 from Portland to London, returning Tue., Apr. 15, priced at CA $900 found 1 day ago
American Airlines
Mon., Mar. 31 - Tue., Apr. 15
PDX
Portland
LHR
London
CA $900 Roundtrip, found 1 day ago
CA $900
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon., Mar. 31 from Portland to London, returning Tue., Apr. 15, priced at CA $900 found 1 day ago
Delta
Mon., Mar. 3 - Wed., Mar. 19
PDX
Portland
LHR
London
CA $906 Roundtrip, found 4 days ago
CA $906
Roundtrip
found 4 days ago
Select Delta flight, departing Mon., Mar. 3 from Portland to London, returning Wed., Mar. 19, priced at CA $906 found 4 days ago
Virgin Atlantic
Tue., Apr. 1 - Sat., Apr. 12
PDX
Portland
LHR
London
CA $906 Roundtrip, found 2 days ago
CA $906
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue., Apr. 1 from Portland to London, returning Sat., Apr. 12, priced at CA $906 found 2 days ago
Delta
Tue., Apr. 1 - Sat., Apr. 12
PDX
Portland
LHR
London
CA $906 Roundtrip, found 2 days ago
CA $906
Roundtrip
found 2 days ago
Select Delta flight, departing Tue., Apr. 1 from Portland to London, returning Sat., Apr. 12, priced at CA $906 found 2 days ago
Virgin Atlantic
Mon., Mar. 31 - Tue., Apr. 15
PDX
Portland
LHR
London
CA $908 Roundtrip, found 1 day ago
CA $908
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Mon., Mar. 31 from Portland to London, returning Tue., Apr. 15, priced at CA $908 found 1 day ago
Lufthansa
Mon., Mar. 31 - Tue., Apr. 15
PDX
Portland
LHR
London
CA $909 Roundtrip, found 1 day ago
CA $909
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon., Mar. 31 from Portland to London, returning Tue., Apr. 15, priced at CA $909 found 1 day ago
British Airways
Sat., Apr. 26 - Wed., May 14
PDX
Portland
LHR
London
CA $991 Roundtrip, found 4 days ago
CA $991
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat., Apr. 26 from Portland to London, returning Wed., May 14, priced at CA $991 found 4 days ago
Air Canada
Mon., Mar. 31 - Tue., Apr. 15
PDX
Portland
LHR
London
CA $992 Roundtrip, found 1 day ago
CA $992
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon., Mar. 31 from Portland to London, returning Tue., Apr. 15, priced at CA $992 found 1 day ago
Flight from Portland to London (PDX - LHR) route information
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 $878
Distance
7839 km

Portland to London Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Portland to London with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from PDX to LHR and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Portland to London on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from PDX to LHR. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your London flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Portland Intl. Airport (PDX) to Heathrow Airport (LHR)?
If you’re traveling between PDX Airport and London Heathrow, round-trip flights start from CA $879. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don’t wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Heathrow Airport (LHR)?
Most flights can be conveniently canceled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from PDX Airport to Heathrow Airport 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 PDX to LHR flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Portland Intl. Airport (PDX) to London Heathrow?
You’ll have 7,900 kilometers to cover on the long-haul Portland to Hounslow route. Dress in comfy clothes and consider taking a pair of noise-canceling headphones.
Which airlines fly direct from Portland Intl. Airport (PDX) to Heathrow Airport?
If you’re eager to fly straight from Portland Airport to Heathrow Airport, British Airways (BA) is a top option. It operates 17 flights every month between Portland and Hounslow.
Are PDX to LHR flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap fares from Portland Airport to LHR showing up a few weeks prior to the departure date. If you’d rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.
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