€235 Cheap Flights Portland to London (PDX-LHR)

View €235 flight on Mon, 21 Jul 2025Opens in a new window

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Cheap flights from Portland to London (PDX-LHR)

Prices were available within the past 7 days and start at €235 for one-way flights and €608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€608 Return, found 16 hours ago
€608
Return
found 16 hours ago
Select Icelandair flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €608 found 16 hours ago
JetBlue Airways
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€668 Return, found 16 hours ago
€668
Return
found 16 hours ago
Select JetBlue Airways flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €668 found 16 hours ago
Virgin Atlantic
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€714 Return, found 16 hours ago
€714
Return
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €714 found 16 hours ago
United
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€714 Return, found 16 hours ago
€714
Return
found 16 hours ago
Select United flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €714 found 16 hours ago
Iberia
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€714 Return, found 16 hours ago
€714
Return
found 16 hours ago
Select Iberia flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €714 found 16 hours ago
Delta
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€714 Return, found 16 hours ago
€714
Return
found 16 hours ago
Select Delta flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €714 found 16 hours ago
American Airlines
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€714 Return, found 16 hours ago
€714
Return
found 16 hours ago
Select American Airlines flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €714 found 16 hours ago
Air Canada
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€715 Return, found 16 hours ago
€715
Return
found 16 hours ago
Select Air Canada flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €715 found 16 hours ago
Virgin Atlantic
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€720 Return, found 16 hours ago
€720
Return
found 16 hours ago
Select Virgin Atlantic flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €720 found 16 hours ago
Icelandair
Mon, 5 May - Tue, 20 May
PDX
Portland
LHR
London
€730 Return, found 16 hours ago
€730
Return
found 16 hours ago
Select Icelandair flight, departing Mon, 5 May from Portland to London, returning Tue, 20 May, priced at €730 found 16 hours ago

Frequently asked questions

How much is a flight from Portland Intl. Airport (PDX) to Heathrow Airport (LHR)?
If you’re travelling between PDX Airport and London Heathrow, round-trip flights start from €608. 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 cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your holiday, 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 kilometres to cover on the long-haul Portland to Hounslow route. Dress in comfy clothes and consider taking a pair of noise-cancelling 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.
*Available to Expedia members.