Flight tickets from London to Portland

Compare London to Portland flight deals

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Flight deals from London to Portland Airport

Looking for a cheap last-minute deal or the best return flight from London to Portland Airport? If you want to travel next month, return fares start from ₹ 77,867. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Portland flights are currently cheapest in September.

London to Portland: Alternative routes

Compare routes from London to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

London to Portland: Flight information

The things to know before you go.
Cheapest flight found₹ 42,313
Cheapest month to flySeptember

Finding cheap flights from London to Portland: Frequently asked questions

The best price we found for a return flight from London to Portland is ₹ 77,790. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Portland. But we found flights with one stop from ₹ 77,790.
As of March 2026, there are no flights flying from London to Portland.
The cheapest month to fly from London to Portland is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Portland Airport on Wednesday, 16 September 2026.
No airlines currently offer direct flights between London and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Portland is United .

Travelling from London to Portland International Jetport Airport (PWM): What you need to know

  • When organising a flight from London to Portland International Jetport Airport (PWM), you'll have your choice of airports to jet out of. Check out London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for departure options. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).

  • The timezone in Portland is UTC-4, which is four hours behind London. Portland International Jetport Airport is located in Portland.

  • Give yourself enough time to catch your flight from London to PWM. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're taking off during a bank holiday or other peak period, give yourself more time. Get there two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

Airports in London

London Heathrow Airport (LHR)

  • A stopover is the ideal opportunity to break up your trip and perhaps even explore another city. When searching for cheap flights from London to PWM leaving from London Heathrow Airport (LHR), deselect the 'Direct flights only' box to find out where you can stop along the way. Some popular options include:

    • John F. Kennedy International Airport (JFK)

    • Newark Liberty International Airport (EWR)

    • Philadelphia International Airport (PHL)

  • LHR is around 31 kilometres from central London. If you're ride-sharing, driving or catching a cab from the centre, it'll take 55 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 1 hour.

  • Want an easy start to your journey? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Portland International Jetport Airport or just don't like being rushed, these hotels have you covered:

  • 68.18% of flights leaving from London Heathrow Airport make it to their destination on schedule.

London Gatwick Airport (LGW)

  • Break up your flight from London to Portland International Jetport Airport with a stop at John F. Kennedy International Airport (JFK). One of the main stopovers between London Gatwick Airport and PWM, it's a good opportunity to enjoy some downtime before continuing your journey.

  • LGW is around 80 kilometres from central London. It'll take 1 hour 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 30 minutes.

  • Want to treat yourself to an extra night away before boarding your London to PWM flight? Check in to a hotel near London Gatwick Airport before your adventure officially begins. These stays have your key waiting:

  • London Gatwick Airport has an on-time performance of 69.26%. This figure sheds light on how frequently flights that depart from this airport land at their destination on time.

Stansted Airport (STN)

  • From central London, STN is around 64 kilometres away. It'll take you roughly 1 hour to get there by car and 1 hour 25 minutes or so on public transport.

  • Sleep a little longer, move a little slower, and still make your London to Portland International Jetport Airport flight with time to spare. These hotels near Stansted Airport make it a breeze to get to the terminal if you're jetting off early:

  • The on-time performance rate of STN is 64.73%. In other words, that's how often flights from this airport arrive within the expected time frame.

About Portland International Jetport Airport (PWM)

Getting from Portland International Jetport Airport (PWM) to central Portland

  • Portland International Jetport Airport is roughly 5 kilometres from central Portland. The time it takes to get to the centre by car hire or cab will depend on the time of day. Do some research before your trip.

  • When travelling by public transport, expect a journey time of about 40 minutes.

How to find the cheapest flights from London to Portland International Jetport Airport (PWM)

  • ₹ 42,313 is the best price for a one-way ticket from London to Portland International Jetport Airport. A return flight starts at ₹ 77,790. These prices can change based on availability.

  • To pick up cheap flights from London to PWM, book ahead. Airlines usually offer their most competitively priced fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest London to Portland International Jetport Airport tickets throughout the entire month. It's an easy way to find a bargain if your travel dates are flexible.

  • You don't need to check every day to find out if prices have dropped when you create a Price Alert. We'll let you know the moment a better deal is available on flight tickets from London to PWM.

  • Save money on your flight from London to Portland International Jetport Airport by using filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from London to Portland International Jetport Airport (PWM)

  • Think about the kind of holiday you want when deciding your trip dates. April is the quietest month to go to Portland. August is when most people book flights from London to Portland International Jetport Airport (PWM), which may be ideal if you're after more action.

  • The warmest month in Portland is July, with temperatures ranging between 14ºC and 25ºC. Book your London to PWM flight ticket then if you enjoy this type of weather.

  • Search for cheap tickets from London to Portland International Jetport Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -10ºC and 3ºC.

More about Portland

Explore more of the United States

  • You've done Portland, now it's time to discover other parts of the United States. Travel about 153 kilometres south-west to Boston to tick off its top sights. From Museum of Fine Arts Boston to Freedom Trail and Quincy Market, you'll have a packed itinerary ahead.

  • If there's time to check out another great destination in the United States, consider Worcester, about 193 kilometres south-west of Portland. Worcester Art Museum, Redemption Rock Brewing and Union Station are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.