₹33,769 Cheap Flights from Portland (PDX) to London (LHR)

View ₹33,769 flight on Mon, 1 Sep 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Heathrow Airport (LHR)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ₹33,769 for one-way flights and ₹51,637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 27 Aug - Mon, 1 Sep
PDX
Portland
LHR
London
₹51,637 Return, found 6 days ago
₹51,637
Return
found 6 days ago
Select Delta flight, departing Wed, 27 Aug from Portland to London, returning Mon, 1 Sep, priced at ₹51,637 found 6 days ago
Virgin Atlantic
Wed, 27 Aug - Mon, 1 Sep
PDX
Portland
LHR
London
₹51,637 Return, found 6 days ago
₹51,637
Return
found 6 days ago
Select Virgin Atlantic flight, departing Wed, 27 Aug from Portland to London, returning Mon, 1 Sep, priced at ₹51,637 found 6 days ago
British Airways
Wed, 27 Aug - Mon, 1 Sep
PDX
Portland
LHR
London
₹53,556 Return, found 6 days ago
₹53,556
Return
found 6 days ago
Select British Airways flight, departing Wed, 27 Aug from Portland to London, returning Mon, 1 Sep, priced at ₹53,556 found 6 days ago
Delta
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹55,045 Return, found 6 days ago
₹55,045
Return
found 6 days ago
Select Delta flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹55,045 found 6 days ago
United
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹55,569 Return, found 6 days ago
₹55,569
Return
found 6 days ago
Select United flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹55,569 found 6 days ago
Delta
Wed, 27 Aug - Mon, 1 Sep
PDX
Portland
LHR
London
₹56,097 Return, found 6 days ago
₹56,097
Return
found 6 days ago
Select Delta flight, departing Wed, 27 Aug from Portland to London, returning Mon, 1 Sep, priced at ₹56,097 found 6 days ago
United
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹57,159 Return, found 6 days ago
₹57,159
Return
found 6 days ago
Select United flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹57,159 found 6 days ago
Air Canada
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹57,159 Return, found 6 days ago
₹57,159
Return
found 6 days ago
Select Air Canada flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹57,159 found 6 days ago
Air Canada
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹57,640 Return, found 6 days ago
₹57,640
Return
found 6 days ago
Select Air Canada flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹57,640 found 6 days ago
Lufthansa
Wed, 8 Oct - Fri, 17 Oct
PDX
Portland
LHR
London
₹57,713 Return, found 6 days ago
₹57,713
Return
found 6 days ago
Select Lufthansa flight, departing Wed, 8 Oct from Portland to London, returning Fri, 17 Oct, priced at ₹57,713 found 6 days ago

Find the cheapest month to fly from Portland (PDX) to London (LHR)

October is typically the cheapest month to fly

From ₹42,705 - ₹93,517 per traveller.

Graph displaying average flight prices per month

Flight from Portland to London route information
Origin airport
Portland Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines
Return price
₹51,637
Distance
7839 km
Average flight time
9 hours 35 mins

Portland to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Portland to London will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PDX to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Portland for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₹51,637. 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.

Explore a world of travel with Expedia

*Available to Expedia members.