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Cheap flights from London to Maine from £333

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Maine

Keep the following information in mind while searching for London to Maine flight deals. Data was last updated 27 November 2025.

Round-trip from

£367

One-way from

£333

Popular in

August

Cheapest in

October

Average price

£575
Icelandair
  • Icelandair
  • 7/12-10/12
  • 2 total stops
  • 21h 00m total
  • London to Maine
Search Deals
16/12
  • 16/12
  • 2 total stops
  • 58h 35m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from London to Maine

Enter your travel dates to find the best prices.

Cheapest flights from London to Maine
Explore the most affordable flight options available from London to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Sat 6/1212:15LHR - BOS
1 stop27h 20mIcelandair
Sun 14/1211:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 24/11£364
Tue 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Tue 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£367
Tue 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Sat 6/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£369
Sun 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Wed 10/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£370
Thu 4/1220:35LHR - BOS
1 stop26h 15mIcelandair
Tue 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 24/11£373
Wed 3/1212:15LHR - BOS
1 stop27h 20mIcelandair
Wed 14/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
Wed 3/1211:55LGW - BOS
1 stop10h 55mIcelandair
Wed 14/119:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 25/11£380
Sun 14/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mon 5/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
Sat 6/1211:55LGW - BOS
1 stop10h 55mIcelandair
Tue 9/1219:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 24/11£380
Sun 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Wed 7/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£383
Fri 5/1208:30STN - BOS
2 stops14h 20mMultiple Airlines
Mon 8/1219:50BOS - STN
2 stops17h 30mMultiple Airlines
Deal found 24/11£383
Thu 25/1216:00LGW - BOS
1 stop27h 35mTAP AIR PORTUGAL
Thu 15/118:05BOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 25/11£384

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Maine 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 27 November 2025.
Use the filters below to find and compare flights from London to Maine that are best for you.

Fly from

London

Fly to

Maine

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 18/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fri 30/1

19:50-19:30

1 stop18h 40m

£390

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Wed 25/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 2/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Wed 25/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Thu 26/2

11:35-10:55

1 stop18h 20m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Fri 27/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 22/1

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Sun 25/1

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Sat 28/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 19/1

08:40-20:55

1 stop17h 15m

Boston Logan Intl

Fri 23/1

22:45-23:45

2 stops20h 00m

£401

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 19/1

08:50-13:55

1 stop10h 05m

Boston Logan Intl

Fri 23/1

21:15-15:25

1 stop13h 10m

£404

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 28/4

08:50-14:40

1 stop10h 50m

Boston Logan Intl

Tue 5/5

21:50-09:35

Nonstop6h 45m

£411

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 60 results
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Best time to book a flight from London to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from London 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 London to Maine

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

Currently, April is the cheapest month in which you can book a flight from London to Maine (average of £436). Flying from London to Maine in December is currently the most expensive (average of £605). 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 LON to ME?

Find hourly flight availability from London to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

A simple way to save on the total cost of your ticket is to fly from London to Maine in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from London to Maine?

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated 27 November 2025.
Get a feel of what it's like to fly with KLM, Finnair, andUnited Airlines from London to Maine by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,334 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,050 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
JetBlue
7.2
Good
2,905 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,594 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

  • How long is the flight from London to Maine?

    There are many flights that can get you from London to Maine in 10h 35m. Fly via Icelandair, British Airways, or KLM to get the fastest option. Airlines will cover a distance of 3254 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as £341. Users have also found prices from £342 and £342 on Iberia and Finnair, respectively.

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

    While some choose either London Gatwick - Boston Logan Intl or London City - Boston Logan Intl, London Heathrow - Boston Logan Intl is the most popular route from London to Maine.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Maine 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 London to Maine?

    Currently, April is the cheapest month in which you can book a flight from London to Maine (average of £436). Flying from London to Maine in December is currently the most expensive (average of £605). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from London to Maine

Discover the top 8 airlines that operate flights from London to Maine. 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 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£390Average£601FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£405Average£536FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£479Average£629FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£480Average£638FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£508Average£630FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£521Average£936FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£545Average£865FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£565Average£750FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Maine?

Deals for London to Maine flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Maine for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Maine from London today and book when prices fit your budget.

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