£180 Cheap Flights from Portland (PDX) to London (LHR)

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

Prices were available within the past 7 days and start at £180 for one-way flights and £449 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
British Airways
American Airlines
United
United
United
Icelandair
Iberia
Delta
Flight from Portland to London route information
Origin airport
Portland Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet
Return price
£448
Distance
7839 km
Average flight time
8 hours 40 mins

Compare flights from Portland to London easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. (PDX) to Heathrow (LHR) 

The easiest way to view the best deals on flights from Portland to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Heathrow start at just £449 and range up to £512.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and London
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £449. 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.
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