$364 Cheap Flights from Portland (PDX) to London (LGW)

View $364 flight on Sun, Jul 26, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Gatwick Airport (LGW)

Cheap Flights from Portland to London (PDX-LGW)

Prices were available within the past 7 days and start at $364 for one-way flights and $516 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, Nov 10 - Fri, Nov 21
PDX
Portland
LGW
London
$516 Roundtrip, found 2 days ago
$516
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Nov 10 from Portland to London, returning Fri, Nov 21, priced at $516 found 2 days ago
Icelandair
Tue, Nov 25 - Sun, Dec 7
PDX
Portland
LGW
London
$518 Roundtrip, just found
$518
Roundtrip
just found
Select Icelandair flight, departing Tue, Nov 25 from Portland to London, returning Sun, Dec 7, priced at $518 just found
Icelandair
Sat, Mar 7 - Wed, Mar 11
PDX
Portland
LGW
London
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, Mar 7 from Portland to London, returning Wed, Mar 11, priced at $565 found 3 days ago
Icelandair
Mon, Mar 9 - Mon, Mar 16
PDX
Portland
LGW
London
$589 Roundtrip, found 2 days ago
$589
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Mar 9 from Portland to London, returning Mon, Mar 16, priced at $589 found 2 days ago
Icelandair
Mon, Mar 9 - Wed, Mar 18
PDX
Portland
LGW
London
$589 Roundtrip, found 3 days ago
$589
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Mar 9 from Portland to London, returning Wed, Mar 18, priced at $589 found 3 days ago
Icelandair
Tue, Apr 28 - Tue, May 19
PDX
Portland
LGW
London
$590 Roundtrip, found 4 days ago
$590
Roundtrip
found 4 days ago
Select Icelandair flight, departing Tue, Apr 28 from Portland to London, returning Tue, May 19, priced at $590 found 4 days ago
American Airlines
Mon, Dec 1 - Mon, Dec 8
PDX
Portland
LGW
London
$617 Roundtrip, found 5 days ago
$617
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 1 from Portland to London, returning Mon, Dec 8, priced at $617 found 5 days ago
Swiss International Air Lines
Wed, Jan 21 - Tue, Jan 27
PDX
Portland
LGW
London
$634 Roundtrip, found 4 days ago
$634
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, Jan 21 from Portland to London, returning Tue, Jan 27, priced at $634 found 4 days ago
Iberia
Sat, Jan 24 - Sat, Jan 31
PDX
Portland
LGW
London
$705 Roundtrip, found 1 day ago
$705
Roundtrip
found 1 day ago
Select Iberia flight, departing Sat, Jan 24 from Portland to London, returning Sat, Jan 31, priced at $705 found 1 day ago
JetBlue Airways
Tue, Jul 28 - Sat, Aug 22
PDX
Portland
LGW
London
$795 Roundtrip, found 3 days ago
$795
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Jul 28 from Portland to London, returning Sat, Aug 22, priced at $795 found 3 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $636
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $636
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $878
LCY
London City
Closest
Average driving time to city center21 min
Flights from $878
Flights from Portland (PDX) to London (LGW)
Origin airport
Portland Intl.
Destination airport
Gatwick
Airlines serving
Air Europa, American Airlines, British Airways, Iberia, Icelandair, JetBlue Airways, Swiss International Air Lines
Roundtrip price
$516
Distance
4924 mi

Portland to London Flights

The cheapest times to fly from Portland to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to London are during the month of November. You can find some of the cheapest flights from Portland to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to London

Sunday is one of the best days to book for cheap flights from Portland to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $364 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Gatwick Airport (LGW) cost?
Snag a cheap one-way flight from $364 or cheap return flight from $516 from Portland Intl. Airport (PDX) to Gatwick Airport (LGW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Gatwick Airport (LGW)?
November is the least expensive month to fly from PDX to LGW. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Gatwick Airport (LGW)?
To find the cheapest airline flying from PDX to LGW, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portland Intl. Airport (PDX) to Gatwick Airport (LGW)?
There are no daily direct flights available from Portland Intl. Airport (PDX) to Gatwick Airport (LGW). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from PDX to LGW?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Gatwick Airport (LGW)?
To arrive at Gatwick Airport (LGW) without delays, book a flight that takes off from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Gatwick Airport (LGW) last-minute?
Holding off until just before your departure to book a flight from PDX to LGW generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a PDX to LGW flight and hotel package?
You'll generally save money by booking a PDX to LGW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Gatwick Airport (LGW)?
Usually, it's possible to cancel or reschedule your PDX to LGW flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.