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$228+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
5월 17 — 5월 241
일 5/17
일 5/24
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 4월 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 10/1311:00 pm
BOS
-
LTN
1 stop14h 05m
Multiple Airlines
화 10/2012:45 pm
LTN
-
BOS
1 stop13h 30m
Multiple Airlines
Deal found 4/15$550
This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 10/1111:50 pm
BOS
-
LHR
1 stop15h 15m
LEVEL
수 10/148:50 pm
LHR
-
BOS
1 stop29h 25m
LEVEL
Deal found 4/15$551
This LEVEL deal was found by Cheapflights users on 4/16. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/2311:00 pm
BOS
-
LGW
1 stop30h 50m
LEVEL
수 9/301:00 pm
LGW
-
BOS
1 stop13h 15m
LEVEL
Deal found 4/16$551
This LEVEL deal was found by Cheapflights users on 4/14. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 9/2911:00 pm
BOS
-
LGW
1 stop32h 15m
LEVEL
화 10/1310:10 am
LGW
-
BOS
1 stop16h 05m
LEVEL
Deal found 4/14$556
This Mytrip deal was found by Cheapflights users on 4/14. 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.
목 4/308:50 pm
BOS
-
LTN
2 stops21h 50m
Multiple Airlines
월 5/45:55 am
LTN
-
BOS
2 stops20h 50m
Multiple Airlines
Deal found 4/14$560
This LEVEL deal was found by Cheapflights users on 4/14. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 9/2211:00 pm
BOS
-
LGW
1 stop27h 15m
LEVEL
화 9/297:20 am
LGW
-
BOS
1 stop18h 55m
LEVEL
Deal found 4/14$561
This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 9/2911:00 pm
BOS
-
LHR
1 stop16h 05m
LEVEL
화 10/69:55 am
LHR
-
BOS
1 stop16h 20m
LEVEL
Deal found 4/15$562
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
수 5/1311:00 pm
BOS
-
LTN
2 stops13h 00m
Multiple Airlines
수 5/205:40 am
LTN
-
BOS
1 stop20h 25m
Multiple Airlines
Deal found 4/13$563
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 4/268:50 pm
BOS
-
LGW
3 stops30h 50m
Multiple Airlines
수 4/298:50 pm
LGW
-
BOS
3 stops29h 55m
Multiple Airlines
Deal found 4/13$565
This Mytrip deal was found by Cheapflights users on 4/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 4/258:50 pm
BOS
-
STN
2 stops16h 40m
Multiple Airlines
목 4/308:15 am
STN
-
BOS
2 stops18h 30m
Multiple Airlines
Deal found 4/12$565
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 4/2611:00 pm
BOS
-
LGW
3 stops28h 40m
Multiple Airlines
목 4/3011:00 am
LGW
-
BOS
2 stops15h 45m
Multiple Airlines
Deal found 4/13$566
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
금 5/110:50 pm
BOS
-
STN
1 stop13h 55m
Multiple Airlines
목 5/145:35 pm
STN
-
BOS
1 stop32h 30m
Multiple Airlines
Deal found 4/16$567

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 4월 17, 2026.

Round-trip from

$550
(Kiwi.com)

One-way from

$228
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$856
From Maine to London (LON)
Search Deals
One-way flight from Maine to London (LON)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($256 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 4월 17, 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

수 9/9

11:00 pm-8:05 pm

1 stop16h 05m

London Heathrow

수 9/23

8:50 pm-9:15 pm

1 stop29h 25m

$621

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

금 5/15

4:45 pm-9:45 pm

2 stops24h 00m

London Southend

월 5/18

8:05 pm-2:45 pm

2 stops23h 40m

$681

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

수 5/13

1:29 pm-12:35 pm

2 stops18h 06m

London Luton

수 5/20

6:15 am-5:04 pm

1 stop15h 49m

$714

PortlandLondon

PWM - LHR

PWMLHR

Portland

수 5/6

12:46 pm-8:50 am

2 stops15h 04m

London Heathrow

월 5/11

9:55 am-12:43 am

2 stops19h 48m

$734

PortlandLondon

PWM - LHR

PWMLHR

Portland

목 5/7

12:50 pm-8:50 am

2 stops15h 00m

London Heathrow

목 5/14

8:40 am-12:43 am

2 stops21h 03m

$734

PortlandLondon

PWM - LHR

PWMLHR

Portland

목 5/7

2:38 pm-8:50 am

1 stop13h 12m

London Heathrow

목 5/14

3:50 pm-12:43 am

1 stop13h 53m

$736

PortlandLondon

PWM - LHR

PWMLHR

Portland

일 5/10

2:38 pm-8:50 am

1 stop13h 12m

London Heathrow

토 5/16

11:45 am-12:43 am

1 stop17h 58m

$736

BangorLondon

BGR - LHR

BGRLHR

Bangor

화 4/28

5:07 pm-8:50 am

1 stop10h 43m

London Heathrow

수 5/13

8:20 am-3:47 pm

1 stop12h 27m

$737

BangorLondon

BGR - LHR

BGRLHR

Bangor

화 4/28

5:07 pm-8:50 am

1 stop10h 43m

London Heathrow

화 5/12

8:20 am-3:47 pm

1 stop12h 27m

$737

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

화 5/12

11:30 pm-3:30 pm

1 stop11h 00m

London Luton

수 6/10

3:35 pm-9:05 pm

2 stops34h 30m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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?

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 LEVEL, Delta, and KLM fly from Maine to London in about 13h 12m. The time it takes to get you to your destination can typically vary by up to 2h 53m. Airlines will cover a distance of 3173 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

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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 4월 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$798FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$757Average$1,118FlexibilityNo cancel feeOn-time71%

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