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Cheap flights from London to Portland from £512

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — PWM
30 Apr — 7 May1
1 adult
Tue 30/4
Tue 7/5

Cheap flight deals from London to Portland

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 April 2024.

Popular in

August

Cheapest in

January

Average price

£786

Round-trip from

£558
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 21% potential price drop
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Average for round-trip flights in April 2024
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From London (LON) to Portland
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What is the cheapest day to fly round-trip from London to Portland, Maine?

Thursday flights are generally found to be more expensive for flights from London to Portland, Maine. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland, Maine.

How far in advance should I book a flight from London to Portland, Maine?

Travelers have found it’s best to book a flight 47 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Portland, Maine 1-2 weeks in advance for as low as £567, or £668 for flights within the next 24 hours.

What is the cheapest month to fly from London to Portland, Maine?

The best pricing can be found in the month of January. Prices to Portland, Maine from London average £681. You can even find prices in January for less than £681, as users have found deals to Portland, Maine from as low as £439. The month of August appears to be one of the more expensive times to travel to Portland, Maine from London. Flying in the targeted month can save you up to 34%.

When is the cheapest time to fly from London to Portland, Maine (LON - PWM)?

It’s typically best to fly out from London to Portland, Maine in the evening. Doing so could potentially save you 7% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Delta flights from London to Portland

Explore cheap flight options specifically provided by Delta for the route between London and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Take a peek at the cheapest Delta flights we've detected travelling from London to Portland. Make sure to check back often as deals are often changing.
Thu 12/909:00LHR - PWM
2 stops19h 38mDelta
Sun 15/914:35PWM - LHR
1 stop13h 50mDelta
Deal found 24/4£663
Fri 6/911:45LHR - PWM
2 stops17h 05mDelta
Fri 27/914:35PWM - LHR
1 stop11h 40mDelta
Deal found 24/4£1,178
Fri 6/912:45LHR - PWM
1 stop15h 54mDelta
Fri 27/914:35PWM - LHR
1 stop15h 35mDelta
Deal found 24/4£1,182

Cheap Finnair flights from London to Portland

Explore cheap flight options specifically provided by Finnair for the route between London and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Browse through some of the cheapest Finnair flights travelling from London to Portland. Deals frequently update to provide users with more options.
Thu 12/913:00LHR - PWM
1 stop14h 14mFinnair
Sun 15/916:17PWM - LHR
1 stop10h 28mFinnair
Deal found 24/4£654
Sat 1/613:40LHR - PWM
1 stop14h 01mFinnair
Sun 30/616:00PWM - LHR
1 stop12h 05mFinnair
Deal found 24/4£690

London to Portland 2024 flight deals

Discover exclusive flight deals for travel between London and Portland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Scroll through some of the best deals on flights from London to Portland in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 14/1108:15LHR - PWM
2 stops18h 59mAmerican Airlines
Mon 18/1111:20PWM - LHR
2 stops16h 00mAmerican Airlines
Deal found 24/4£580
Thu 14/1108:20LHR - PWM
2 stops18h 54mAmerican Airlines
Mon 18/1116:12PWM - LHR
1 stop12h 08mAmerican Airlines
Deal found 24/4£582
Thu 14/1110:15LHR - PWM
1 stop16h 59mAmerican Airlines
Mon 18/1113:14PWM - LHR
1 stop12h 16mAmerican Airlines
Deal found 24/4£591
Thu 14/1113:25LHR - PWM
2 stops38h 52mMultiple Airlines
Mon 18/1111:17PWM - LHR
1 stop14h 38mMultiple Airlines
Deal found 24/4£593
Thu 14/1106:50LHR - PWM
2 stops15h 40mUnited Airlines
Mon 18/1115:15PWM - LHR
1 stop12h 55mUnited Airlines
Deal found 23/4£595
Thu 14/1110:00LHR - PWM
1 stop15h 28mMultiple Airlines
Mon 18/1111:17PWM - LHR
1 stop14h 38mMultiple Airlines
Deal found 24/4£596
Thu 14/1112:00LHR - PWM
1 stop13h 28mUnited Airlines
Mon 18/1114:45PWM - LHR
1 stop10h 55mUnited Airlines
Deal found 23/4£602
Thu 12/913:00LHR - PWM
1 stop14h 14mFinnair
Sun 15/916:17PWM - LHR
1 stop10h 28mFinnair
Deal found 24/4£654
Thu 12/909:00LHR - PWM
2 stops19h 38mDelta
Sun 15/914:35PWM - LHR
1 stop13h 50mDelta
Deal found 24/4£663

One-way flights to Portland from London

Search for one-way flight options from London to Portland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
Take a look at some of the one-way flights we've detected from London to Portland. Those needing a return flight from London to Portland can use the search form above.
Mon 1/719:50LHR - PWM
3 stops32h 34mMultiple Airlines
Deal found 24/4£512
Sun 11/806:45LHR - PWM
3 stops32h 24mMultiple Airlines
Deal found 23/4£602
Sun 11/818:55LHR - PWM
2 stops28h 31mAir Serbia
Deal found 23/4£651
Mon 1/706:00LHR - PWM
2 stops31h 49mTAP AIR PORTUGAL
Deal found 24/4£720
Tue 16/711:55LHR - PWM
1 stop11h 31mJetBlue
Deal found 24/4£721
Tue 16/713:45LHR - PWM
3 stops32h 02mMultiple Airlines
Deal found 24/4£733
Sun 11/811:55LHR - PWM
1 stop11h 31mJetBlue
Deal found 23/4£751
Mon 1/707:25LHR - PWM
1 stop16h 34mJetBlue
Deal found 24/4£781
Tue 16/708:00LHR - PWM
2 stops29h 49mTAP AIR PORTUGAL
Deal found 24/4£815

Find flights from London to Portland within your budget

Customise your flight search to find flights from London to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£654 - £1,640

Route

Depart

Return

Price

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/9

1 stop14h 14m

Portland

Sun 15/9

1 stop10h 28m

£654

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/9

2 stops19h 38m

Portland

Sun 15/9

1 stop13h 50m

£663

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 12/9

2 stops14h 08m

Portland

Sun 15/9

2 stops13h 47m

£670

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 1/6

1 stop14h 01m

Portland

Sun 30/6

1 stop12h 05m

£690

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 1/6

2 stops16h 54m

Portland

Sun 30/6

1 stop28h 41m

£692

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 1/6

2 stops19h 16m

Portland

Sun 30/6

2 stops13h 49m

£745

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 6/9

2 stops17h 05m

Portland

Fri 27/9

1 stop11h 40m

£1,178

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 6/9

2 stops17h 34m

Portland

Fri 27/9

2 stops29h 18m

£1,237

London HeathrowPortland

LHR - PWM

LHRPWM

London Heathrow

Sat 1/6

3 stops26h 04m

Portland

Sun 30/6

2 stops31h 15m

£1,640

Flights are sorted by cheapest first

Deals found on 24/4

When is the best time to book a flight from London to Portland, Maine?

Use this chart to determine the optimal time to book a return flight from London to Portland. Price data was last updated on 28 January 2024.
The price you pay for your flight from London to Portland, Maine may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from London to Portland, Maine?

Use this chart to determine the cheapest time to fly return from London to Portland. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to Portland, Maine flight should consider departing on Wednesday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Portland by month

Plan your trip from London to Portland by taking into account the cheapest months to travel. The average price of a one-way flight from London to Portland is currently £698 while a return flight costs £908. Price data was last updated on 21 April 2024.

Temperature and rainfall in Portland by month

Plan your trip to Portland by taking into account the average temperature and rainfall totals by month.

PWM

Temperature

-5 - 20 °C

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 25 April 2024.
Read reviews from past customers who have flown Delta, Finnair and American Airlines from London to Portland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very Good
10,975 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Finnair
7.8
Good
1,383 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Austrian Airlines
7.7
Good
1,087 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

JetBlue
7.6
Good
4,618 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,255 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Food

7.4

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from London to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from London?

    If you book a flight to Portland from London, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland. There are 0 flights from London to Portland per day from 5 different airlines.

  • Can I find flights from London to Portland, Maine for under £700 on Cheapflights?

    Yes, there are multiple flights from London to Portland, Maine for under £700. The cheapest flight booked recently is on Finnair for just £654, but on average you can expect to pay £1,424.

  • What are the cheapest airlines flying from London to Portland, Maine round-trip?

    Currently priced at £654, Finnair will fly you from London to Portland, Maine and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from £663 and £670, respectively. Finnair is 3% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Portland, Maine one-way

    The cheapet airlines for a one-way flight from London to Portland, Maine are Air Serbia (£651), TAP AIR PORTUGAL (£720), and JetBlue (£721).

  • What are the most popular airlines that fly from London to Portland, Maine?

    Finnair, Delta and KLM are the most popular airlines when flying from London to Portland, Maine.

  • What does LHR to PWM mean?

    Great question - LHR to PWM just means London Heathrow Airport to Portland Airport. Now you’ll know what these unique codes when you look for flights! Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from London to Portland that include extra baggage allowance?

    The amount of baggage you can bring on your London to Portland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Portland with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Portland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from London to Portland that include hotel bookings?

    Yes. In addition to deals on London to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portland.

  • Can I find deals for business class flights from London to Portland?

    Yes. Cheapflights offers flight deals from London to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from London to Portland that allow pets onboard?

    Many airlines flying from London to Portland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Portland?

    Yes, you can often find last-minute deals on London to Portland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London to Portland, Maine flight deals updated?

    The London to Portland, Maine flight deals you see on this page were last updated on 24/4.

See more FAQs

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Alternative routes for London to Portland
See prices for flight routes from nearby airports that may be better suited for you.

Heathrow to Portland flights
Heathrow to Bangor flights
Manchester to Portland flights
Newcastle upon Tyne to Portland flights

Top 5 airlines flying from London to Portland

Discover the top 5 airlines that operate flights from London to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 928,181 searches. Data last updated 25 April 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£520Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£532Average£593FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£545Average£720FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£558Average£879FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£923Average£923FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from London to Portland by cabin class

Find flights from London to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Portland?

When you search for this flight from London to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Portland?

Cheapflights helps you find that perfect flight to Portland from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Portland with no change fees?

Need flexible booking options for your flight to Portland from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Portland become cheaper?

Of course! You can now track prices for flights from London to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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