£511 Cheap Flights from London (LHR) to Portland (PWM)

View £511 flight on Tue, 2 Sep 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Portland Intl. Jetport Airport (PWM)

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

Prices were available within the past 7 days and start at £511 for one-way flights and £412 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, 19 Sep - Wed, 24 Sep
LHR
London
PWM
Portland
£412 Return, found 12 hours ago
£412
Return
found 12 hours ago
Select JetBlue Airways flight, departing Fri, 19 Sep from London to Portland, returning Wed, 24 Sep, priced at £412 found 12 hours ago
JetBlue Airways
Fri, 5 Sep - Mon, 8 Sep
LHR
London
PWM
Portland
£413 Return, found 5 days ago
£413
Return
found 5 days ago
Select JetBlue Airways flight, departing Fri, 5 Sep from London to Portland, returning Mon, 8 Sep, priced at £413 found 5 days ago
JetBlue Airways
Tue, 16 Sep - Wed, 24 Sep
LHR
London
PWM
Portland
£426 Return, found 12 hours ago
£426
Return
found 12 hours ago
Select JetBlue Airways flight, departing Tue, 16 Sep from London to Portland, returning Wed, 24 Sep, priced at £426 found 12 hours ago
JetBlue Airways
Tue, 2 Sep - Mon, 8 Sep
LHR
London
PWM
Portland
£427 Return, found 5 days ago
£427
Return
found 5 days ago
Select JetBlue Airways flight, departing Tue, 2 Sep from London to Portland, returning Mon, 8 Sep, priced at £427 found 5 days ago
JetBlue Airways
Mon, 15 Sep - Tue, 30 Sep
LHR
London
PWM
Portland
£434 Return, found 12 hours ago
£434
Return
found 12 hours ago
Select JetBlue Airways flight, departing Mon, 15 Sep from London to Portland, returning Tue, 30 Sep, priced at £434 found 12 hours ago
JetBlue Airways
Fri, 19 Sep - Sat, 27 Sep
LHR
London
PWM
Portland
£437 Return, found 12 hours ago
£437
Return
found 12 hours ago
Select JetBlue Airways flight, departing Fri, 19 Sep from London to Portland, returning Sat, 27 Sep, priced at £437 found 12 hours ago
American Airlines
Mon, 8 Dec - Wed, 24 Dec
LHR
London
PWM
Portland
£486 Return, found 1 day ago
£486
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Dec from London to Portland, returning Wed, 24 Dec, priced at £486 found 1 day ago
Delta
Wed, 3 Dec - Sun, 14 Dec
LHR
London
PWM
Portland
£508 Return, found 1 day ago
£508
Return
found 1 day ago
Select Delta flight, departing Wed, 3 Dec from London to Portland, returning Sun, 14 Dec, priced at £508 found 1 day ago
KLM
Mon, 22 Sep - Mon, 29 Sep
LHR
London
PWM
Portland
£508 Return, just found
£508
Return
just found
Select KLM flight, departing Mon, 22 Sep from London to Portland, returning Mon, 29 Sep, priced at £508 just found
Air France
Mon, 22 Sep - Mon, 29 Sep
LHR
London
PWM
Portland
£513 Return, just found
£513
Return
just found
Select Air France flight, departing Mon, 22 Sep from London to Portland, returning Mon, 29 Sep, priced at £513 just found
Flight from London to Portland route information
Origin airport
Heathrow
Destination airport
Portland Intl. Jetport
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, Delta, JetBlue Airways, KLM, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Return price
£412
Distance
5080 km

Frequently asked questions

How much is a flight from London Heathrow to Portland Intl. Jetport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from LHR to Portland Intl. Jetport was £412. Cheap tickets don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Portland Intl. Jetport?
We understand that things crop up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Heathrow Airport to PWM 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 London Heathrow to Portland Intl. Jetport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Portland Intl. Jetport?
The distance is around 5,100 kilometres. Earplugs? Check. Toothbrush? Check. You'd be wise to pack all the essentials for this long-haul Hounslow to Portland flight.
Which airlines fly direct from Heathrow Airport (LHR) to PWM?
If you want to fly straight from Heathrow Airport to Portland Intl. Jetport Airport (PWM), you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Heathrow Airport to Portland Intl. Jetport Airport (PWM) flight tickets cheaper when they're purchased at the last minute?
Flight prices from London Heathrow to Portland Intl. Jetport Airport (PWM) are available up to a year prior to departure on Expedia. And although you may occasionally nab a great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options --- and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

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London Airports

London

Gatwick to Portland
£473.28