$567 Cheap Flights from London (LCY) to Portland (PWM)

View $567 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)

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Cheap Flights from London to Portland (LCY-PWM)

Prices were available within the past 7 days and start at $567 for one-way flights and $1,140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, May 29 - Mon, Jun 1
LCY
London
PWM
Portland
$1,140 Roundtrip, found 2 days ago
$1,140
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Fri, May 29 from London to Portland, returning Mon, Jun 1, priced at $1,140 found 2 days ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,468 Roundtrip, found 1 day ago
$1,468
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,468 found 1 day ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,486 Roundtrip, found 1 day ago
$1,486
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,486 found 1 day ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,495 Roundtrip, found 1 day ago
$1,495
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,495 found 1 day ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,612 Roundtrip, found 1 day ago
$1,612
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,612 found 1 day ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,769 Roundtrip, found 1 day ago
$1,769
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,769 found 1 day ago
Aer Lingus
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,904 Roundtrip, found 21 hours ago
$1,904
Roundtrip
found 21 hours ago
Select Aer Lingus flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,904 found 21 hours ago
Aer Lingus
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,948 Roundtrip, found 21 hours ago
$1,948
Roundtrip
found 21 hours ago
Select Aer Lingus flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,948 found 21 hours ago
Delta
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$1,980 Roundtrip, found 1 day ago
$1,980
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $1,980 found 1 day ago
KLM
Fri, Dec 19 - Tue, Dec 23
LCY
London
PWM
Portland
$2,124 Roundtrip, found 1 day ago
$2,124
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Dec 19 from London to Portland, returning Tue, Dec 23, priced at $2,124 found 1 day ago

Frequently asked questions

How much does a flight from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM) cost?
Get a cheap one-way flight from $567 or cheap return flight from $1,140 from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM) 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 London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from LCY to PWM is May, when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)?
To find the cheapest airline flying from LCY to PWM, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)?
There are no daily nonstop flights departing from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from LCY to PWM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)?
Opt for a flight from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 London City Airport (LCY) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your departure to book a ticket from LCY to PWM generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a LCY to PWM flight and hotel package?
You can save money by securing a LCY to PWM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from London City Airport (LCY) to Portland Intl. Jetport Airport (PWM)?
If you booked your LCY to PWM flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
London City
Destination airport
Portland Intl. Jetport
Roundtrip price
$1,140
Distance
3195 mi

Book with confidence

London to Portland Flights

The cheapest times to fly from London to Portland

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 London to Portland are during the month of May. You can find some of the cheapest flights from London to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Portland

Sunday is one of the best days to book for cheap flights from London to Portland: 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 London to Portland

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 London to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $567 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 London to Portland 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 London to Portland 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.

 

London to Portland Flights

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