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$431+ Cheap flights from London (LON) to Maine

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from London to Maine

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 December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 amLGW - BOS
2 stops15h 00mTAP AIR PORTUGAL
Sun 4/1910:30 pmBOS - LGW
1 stop16h 55mTAP AIR PORTUGAL
Deal found 12/15$572
This oojo deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:35 pmLGW - BOS
1 stop27h 00mTAP AIR PORTUGAL
Thu 1/86:05 pmBOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 12/15$574
This Kiwi.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:35 pmLGW - BOS
1 stop27h 00mTAP AIR PORTUGAL
Mon 1/126:05 pmBOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 12/12$577
This oojo deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Sun 1/1110:45 pmBOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/15$578
This Kiwi.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:25 pmLHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sun 1/1110:45 pmBOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/12$581
This Kiwi.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amLHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Sun 1/1110:45 pmBOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/12$582
This Kiwi.com deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 pmLHR - BOS
1 stop30h 40mTAP AIR PORTUGAL
Fri 1/96:05 pmBOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 12/12$590
This Cheapflightsfares deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:25 pmLHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sun 4/1910:45 pmBOS - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 12/15$594
This Cheapflightsfares deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 amLGW - BOS
2 stops15h 00mTAP AIR PORTUGAL
Thu 1/810:45 pmBOS - LGW
1 stop12h 05mTAP AIR PORTUGAL
Deal found 12/12$603
This Gotogate deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Sat 1/1010:25 pmBOS - LHR
1 stop12h 05mTAP AIR PORTUGAL
Deal found 12/13$604
This oojo deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 pmLHR - BOS
1 stop25h 05mTAP AIR PORTUGAL
Mon 1/126:05 pmBOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 12/15$605
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:40 amLGW - BOS
1 stop14h 30mTAP AIR PORTUGAL
Thu 1/86:05 pmBOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 12/13$605

Find flight deals from London to Maine

Keep the following information in mind while searching for London to Maine flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$566
(United Airlines)

One-way from

$431
(oojo)

Popular in

December

Cheapest in

September

Average price

$735
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
Search Deals
From London (LON) to Maine
Search Deals
One-way flight from London (LON) to Maine
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 15, 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

STN - BOS

STNBOS

London Stansted

Thu 1/29

8:05 am-5:50 pm

2 stops14h 45m

Boston Logan Intl

Thu 2/5

7:50 pm-2:15 pm

2 stops13h 25m

$568

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 1/26

4:45 pm-8:55 pm

2 stops33h 10m

Boston Logan Intl

Mon 2/2

10:40 pm-4:55 pm

1 stop13h 15m

$568

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 1/18

12:15 pm-5:50 pm

1 stop10h 35m

Boston Logan Intl

Fri 1/30

7:50 pm-7:30 pm

1 stop18h 40m

$569

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 1/12

11:55 am-5:50 pm

1 stop10h 55m

Boston Logan Intl

Fri 4/3

8:50 pm-2:40 pm

1 stop12h 50m

$569

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 1/15

8:30 am-8:55 pm

1 stop17h 25m

Boston Logan Intl

Mon 1/19

10:40 pm-4:55 pm

1 stop13h 15m

$570

LondonBoston

STN - BOS

STNBOS

London Stansted

Sun 1/11

3:00 pm-5:50 pm

2 stops31h 50m

Boston Logan Intl

Thu 1/15

7:50 pm-2:15 pm

2 stops13h 25m

$570

LondonBoston

LTN - BOS

LTNBOS

London Luton

Thu 1/29

2:10 pm-3:50 pm

2 stops30h 40m

Boston Logan Intl

Thu 2/5

5:35 pm-8:30 pm

2 stops21h 55m

$571

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 2/15

6:40 pm-3:50 pm

1 stop26h 10m

Boston Logan Intl

Thu 2/19

5:35 pm-5:40 pm

1 stop19h 05m

$577

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 2/15

6:40 pm-3:50 pm

1 stop26h 10m

Boston Logan Intl

Sun 2/22

5:35 pm-4:00 pm

1 stop17h 25m

$577

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 1/13

6:40 am-3:50 pm

1 stop14h 10m

Boston Logan Intl

Sun 4/5

5:40 pm-5:40 pm

1 stop19h 00m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 round-trip 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 $578). Flying from London to Maine in December is currently the most expensive (average of $776). 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.

How much does it cost to fly round-trip from London to Maine?

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?

    Airlines like Icelandair, Scandinavian Airlines, and TAP AIR PORTUGAL fly from London to Maine in about 10h 35m. The time it takes to get you to your destination can typically vary by up to 22h 20m. The distance between London and Maine is about 3254 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Most travelers choose London Heathrow - Boston Logan Intl, London Gatwick - Boston Logan Intl or London City - Boston Logan Intl when deciding on the best 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 vacation 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 $578). Flying from London to Maine in December is currently the most expensive (average of $776). 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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