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$272+ Cheap flights from Maine to London (LON)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap 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 July 25, 2026.

This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:50 pm
BOS
-
LTN
2 stops22h 50m
Multiple Airlines
Tue 9/159:50 pm
LTN
-
BOS
2 stops27h 05m
Multiple Airlines
Deal found 7/24$654
This FlightHub deal was found by Cheapflights users on 7/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 pm
BOS
-
LHR
1 stop31h 55m
Icelandair
Wed 9/161:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 7/20$654
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 9/511:00 pm
BOS
-
LGW
1 stop10h 35m
Icelandair
Wed 9/163:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 7/20$654
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:45 pm
BOS
-
LTN
2 stops22h 15m
Multiple Airlines
Sat 9/128:35 pm
LTN
-
BOS
2 stops23h 10m
Multiple Airlines
Deal found 7/24$655
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 9/88:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Wed 9/161:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 7/20$655
This FlightHub deal was found by Cheapflights users on 7/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:00 pm
BOS
-
LGW
1 stop31h 45m
Icelandair
Sat 9/123:40 pm
LGW
-
BOS
1 stop32h 10m
Icelandair
Deal found 7/20$655
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/197:50 pm
BOS
-
LTN
1 stop12h 10m
Multiple Airlines
Wed 11/258:00 am
LTN
-
BOS
1 stop14h 50m
Multiple Airlines
Deal found 7/25$656
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:40 pm
BOS
-
LHR
2 stops17h 45m
Scandinavian Airlines
Thu 10/155:30 pm
LHR
-
BOS
2 stops27h 05m
Scandinavian Airlines
Deal found 7/24$656
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 pm
BOS
-
LGW
2 stops18h 55m
Multiple Airlines
Wed 9/306:00 am
LGW
-
BOS
2 stops19h 20m
Multiple Airlines
Deal found 7/24$656
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:45 pm
BOS
-
STN
2 stops23h 10m
Multiple Airlines
Tue 9/85:20 pm
STN
-
BOS
2 stops26h 25m
Multiple Airlines
Deal found 7/24$656
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 11/37:50 pm
BOS
-
LTN
1 stop14h 15m
Multiple Airlines
Sun 11/86:00 am
LTN
-
BOS
1 stop16h 50m
Multiple Airlines
Deal found 7/20$657
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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.
Wed 11/47:50 pm
BOS
-
LHR
1 stop18h 40m
Icelandair
Sat 11/1412:15 pm
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 7/20$657

Find flight deals from Maine to London

Keep the following information in mind while searching for Maine to London flight deals. Data was last updated July 25, 2026.

Round-trip from

$654
(FlightHub)

One-way from

$272
(Kiwi.com)

Popular in

July

Cheapest in

December

Average price

$1,295
From Maine to London (LON)
Search Deals
One-way flight from Maine to London (LON)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Maine to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 9/3

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Fri 9/4

12:10 pm-7:55 pm

1 stop12h 45m

$663

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 9/24

5:40 pm-4:00 pm

1 stop17h 20m

London Heathrow

Mon 9/28

9:05 pm-3:35 pm

2 stops23h 30m

$675

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 9/26

5:40 pm-2:35 pm

2 stops15h 55m

London Heathrow

Wed 9/30

9:05 pm-3:35 pm

2 stops23h 30m

$679

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/7

5:40 pm-4:25 pm

2 stops17h 45m

London Heathrow

Thu 10/22

9:05 pm-3:35 pm

2 stops23h 30m

$681

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 10/30

8:50 pm-2:05 pm

2 stops13h 15m

London Luton

Mon 11/2

6:10 am-5:50 pm

2 stops16h 40m

$682

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 10/18

5:50 pm-4:00 pm

1 stop17h 10m

London Heathrow

Wed 10/21

9:05 pm-3:35 pm

2 stops23h 30m

$702
Quickest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/8

7:05 pm-6:45 am

Nonstop6h 40m

London Heathrow

Thu 9/10

6:30 am-1:19 pm

1 stop11h 49m

$708

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/15

9:20 am-9:35 am

2 stops19h 15m

London Heathrow

Tue 9/22

9:05 pm-3:35 pm

2 stops23h 30m

$713

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 9/10

10:55 pm-5:45 pm

1 stop13h 50m

London Gatwick

Sun 9/27

10:55 am-9:45 pm

1 stop15h 50m

$714

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 9/8

5:25 pm-1:25 pm

1 stop15h 00m

London Luton

Tue 9/15

1:10 pm-6:50 pm

1 stop10h 40m

$715

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 Maine to London

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

Airfare is below average for this route at the moment.
Maine to London flights typically cost between $1,005 and $1,180 in September.
The cheapest round-trip price found within the last 5 days was $793 on JetBlue (Sep 6-Sep 8).

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.

  • How long is the flight from Maine to London?

    Airlines like United Airlines, Scandinavian Airlines, and LEVEL fly from Maine to London in about 9h 40m. The time it takes to get you to your destination can typically vary by up to 7h 40m. Airlines will cover a distance of 3254 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City when deciding on the best route from Maine to London.

  • 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 vacation 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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.

Top 2 airlines flying from Maine to London

Discover the top 2 airlines that operate flights from Maine to London. 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 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$752Average$1,192FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$757Average$1,091FlexibilityNo cancel feeOn-time71%

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