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Cheap flights from Maine to London from £141

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
22 Apr — 29 Apr1
1 adult

Cheap flight deals from Maine to London

Keep the following information in mind while searching for Maine to London flight deals. Data was last updated 17 April 2025.

Round-trip from

£391

One-way from

£141

Popular in

June

Cheapest in

November

Average price

£569
Icelandair
  • Icelandair
  • 8/10-15/10
  • 2 total stops
  • 29h 15m total
  • Maine to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 10/8
  • 1 total stop
  • 19h 35m total
  • Maine to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Maine to London

Cheapest flights from Maine to London
Explore the most affordable flight options available from Maine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Thu 1/520:50BOS - LGW
1 stop12h 50mMultiple Airlines
Tue 6/521:45LGW - BOS
1 stop28h 20mMultiple Airlines
Deal found 15/4£366
Wed 8/1023:35BOS - LGW
1 stop10h 05mIcelandair
Wed 15/1015:40LGW - BOS
1 stop11h 20mIcelandair
Deal found 16/4£389
Wed 8/1020:50BOS - LHR
1 stop18h 30mIcelandair
Wed 15/1013:05LHR - BOS
1 stop10h 45mIcelandair
Deal found 16/4£391
Fri 2/519:15BOS - STN
1 stop10h 25mMultiple Airlines
Thu 8/508:15STN - BOS
2 stops14h 35mMultiple Airlines
Deal found 16/4£391
Fri 2/520:15BOS - LHR
Nonstop6h 50mVirgin Atlantic
Thu 8/518:15LHR - BOS
Nonstop7h 45mVirgin Atlantic
Deal found 16/4£423
Wed 30/419:15BOS - STN
1 stop10h 25mPLAY
Fri 2/511:40STN - BOS
1 stop11h 10mPLAY
Deal found 16/4£424
Wed 7/519:15BOS - LTN
2 stops17h 45mMultiple Airlines
Sat 17/506:00LTN - BOS
2 stops16h 50mMultiple Airlines
Deal found 16/4£427
Tue 2/917:40BOS - LHR
1 stop19h 00mScandinavian Airlines
Wed 10/906:40LHR - BOS
1 stop13h 55mScandinavian Airlines
Deal found 16/4£427
Fri 19/907:15BOS - LHR
Nonstop6h 30mBritish Airways
Sat 27/914:40LHR - BOS
Nonstop7h 30mBritish Airways
Deal found 16/4£429
Tue 19/805:50BOS - LHR
1 stop23h 10mUnited Airlines
Thu 28/808:40LHR - BOS
1 stop16h 15mUnited Airlines
Deal found 16/4£430
Thu 8/513:20BOS - LGW
1 stop13h 50mBritish Airways
Sun 11/514:45LGW - BOS
1 stop13h 04mBritish Airways
Deal found 17/4£430
Fri 18/418:10BOS - LHR
1 stop21h 50mMultiple Airlines
Fri 25/407:25LHR - BOS
1 stop15h 15mMultiple Airlines
Deal found 16/4£430

Cheapflights Fare Finder

Customise your flight search to find flights from Maine to London 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 858,174 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from Maine to London that are best for you.

Fly from

Maine

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 8/10

20:50-20:20

1 stop18h 30m

London Heathrow

Wed 15/10

13:05-18:50

1 stop10h 45m

£391

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/5

20:15-08:05

Nonstop6h 50m

London Heathrow

Thu 8/5

18:15-21:00

Nonstop7h 45m

£423

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 30/4

19:15-19:25

2 stops19h 10m

London Luton

Thu 15/5

06:05-17:50

2 stops16h 45m

£425

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 21/5

19:15-10:40

1 stop10h 25m

London Stansted

Mon 2/6

11:40-17:50

1 stop11h 10m

£425

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 29/8

12:35-11:45

1 stop18h 10m

London Gatwick

Sun 7/9

13:00-22:00

1 stop14h 00m

£425

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 6/5

10:40-06:30

2 stops14h 50m

London Heathrow

Fri 16/5

06:00-13:50

1 stop12h 50m

£426

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 13/5

19:15-10:40

1 stop10h 25m

London Stansted

Tue 20/5

22:05-17:50

2 stops24h 45m

£426

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 2/9

17:40-17:40

1 stop19h 00m

London Heathrow

Wed 10/9

06:40-15:35

1 stop13h 55m

£427

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 19/9

07:15-18:45

Nonstop6h 30m

London Heathrow

Sat 27/9

14:40-17:10

Nonstop7h 30m

£429

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 19/8

05:50-10:00

1 stop23h 10m

London Heathrow

Thu 28/8

08:40-19:55

1 stop16h 15m

£430

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 60 results
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6

Best time to book a flight from Maine to London

Have a flexible travel schedule? Discover the best time to fly to London from Maine with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maine to London

What is the cheapest month to book a flight from Maine to London?

Currently, January is the cheapest month in which you can book a flight from Maine to London (average of £112). Flying from Maine to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ME to LON?

Find hourly flight availability from Maine to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maine to London as you normally would.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 17 April 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Maine to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,916 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    £141 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and PLAY, with prices starting from £187 and £187, respectively.

  • What are the most popular routes from Maine to London?

    When deciding which route to take from Maine to London consider Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City as they are the most popular.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Maine to London?

    Currently, January is the cheapest month in which you can book a flight from Maine to London (average of £112). Flying from Maine to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Maine?

Book flights to Maine if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Maine to London?

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

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Certainly. Search results for flights to London from Maine shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Maine to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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