London

$199+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Oct 15 — Oct 221
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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 September 15, 2025.

Round-trip from

$448
(Mytrip)

One-way from

$199
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$790
From Maine to London (LON)
One-way flight from Maine to London (LON)
Highest demand for flights based on searches. 16% potential increase in price ($173 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:00 pmBOS - LTN
2 stops23h 00mMultiple Airlines
Thu 11/69:00 amLTN - BOS
2 stops16h 20mMultiple Airlines
Deal found 9/15$450
This LEVEL deal was found by Cheapflights users on 9/14. 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.
Thu 10/3011:40 pmBOS - LGW
1 stop17h 20mLEVEL
Sat 11/86:45 amLGW - BOS
1 stop19h 10mLEVEL
Deal found 9/14$450
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:00 pmBOS - STN
1 stop12h 55mMultiple Airlines
Tue 10/2110:05 pmSTN - BOS
1 stop28h 10mMultiple Airlines
Deal found 9/14$450
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Wed 11/129:50 pmBOS - LTN
2 stops20h 15mMultiple Airlines
Mon 11/178:50 amLTN - BOS
2 stops16h 30mMultiple Airlines
Deal found 9/14$451
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 pmBOS - LGW
2 stops18h 45mMultiple Airlines
Tue 11/118:50 amLGW - BOS
2 stops16h 30mMultiple Airlines
Deal found 9/15$451
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 10/199:25 pmBOS - STN
1 stop10h 30mMultiple Airlines
Mon 10/276:30 amSTN - BOS
1 stop17h 25mMultiple Airlines
Deal found 9/14$451
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:15 amBOS - LTN
3 stops18h 30mMultiple Airlines
Tue 11/119:00 amLTN - BOS
2 stops16h 20mMultiple Airlines
Deal found 9/15$452
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:20 pmBOS - LHR
1 stop21h 40mMultiple Airlines
Sun 10/196:00 amLHR - BOS
1 stop14h 25mMultiple Airlines
Deal found 9/14$452
This Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:48 pmBOS - LGW
Nonstop6h 47mJetBlue
Mon 9/2912:10 pmLGW - BOS
Nonstop8h 06mJetBlue
Deal found 9/15$452
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 9/306:00 amBOS - STN
2 stops32h 25mMultiple Airlines
Tue 10/77:15 amSTN - BOS
2 stops19h 11mMultiple Airlines
Deal found 9/13$452
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:35 pmBOS - LCY
2 stops19h 30mMultiple Airlines
Fri 11/219:25 amLCY - BOS
2 stops17h 02mMultiple Airlines
Deal found 9/13$452
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Mon 10/139:25 pmBOS - LTN
1 stop19h 00mMultiple Airlines
Mon 10/209:00 amLTN - BOS
1 stop10h 40mMultiple Airlines
Deal found 9/13$453

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 September 15, 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 - LTN

BOSLTN

Boston Logan Intl

Thu 10/30

1:00 pm-4:00 pm

2 stops23h 00m

London Luton

Thu 11/6

9:00 am-8:20 pm

2 stops16h 20m

$450

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 12/1

10:40 pm-3:25 pm

1 stop11h 45m

London Gatwick

Tue 1/20

1:10 pm-8:55 pm

1 stop12h 45m

$450

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 11/4

10:15 am-9:45 am

3 stops18h 30m

London Luton

Tue 11/11

9:00 am-8:20 pm

2 stops16h 20m

$452

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 11/13

1:00 pm-6:20 pm

2 stops24h 20m

London Stansted

Sun 11/16

8:00 pm-6:02 pm

2 stops27h 02m

$452

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 11/8

5:10 pm-7:50 am

1 stop9h 40m

London Stansted

Sun 11/16

6:30 am-1:55 pm

1 stop12h 25m

$454

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 10/25

6:30 pm-8:35 am

1 stop9h 05m

London Luton

Sat 11/1

6:00 am-7:55 pm

1 stop17h 55m

$455

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 10/13

9:25 pm-6:20 pm

1 stop15h 55m

London Stansted

Fri 10/17

6:40 am-2:40 pm

1 stop13h 00m

$455

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 10/14

11:00 pm-3:50 pm

1 stop11h 50m

London Gatwick

Tue 10/21

6:35 pm-9:15 pm

1 stop31h 40m

$457

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 9/21

9:48 pm-9:35 am

Nonstop6h 47m

London Gatwick

Fri 9/26

12:10 pm-3:16 pm

Nonstop8h 06m

$465

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 10/8

9:48 pm-9:35 am

Nonstop6h 47m

London Gatwick

Sun 10/12

12:10 pm-3:08 pm

Nonstop7h 58m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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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

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

Currently, November is the cheapest month in which you can book a flight from Maine to London (average of $661). Flying from Maine to London in June is currently the most expensive (average of $1,097). 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 September 15, 2025.

When flying from Maine to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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, JetBlue, and Delta fly from Maine to London in about 6h 47m. The time it takes to get you to your destination can typically vary by up to 4h 58m. Airlines will cover a distance of 3272 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $209. Users have also found prices from $223 and $223 on JetBlue and British Airways, respectively.

  • What are the most popular routes 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.

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

    Currently, November is the cheapest month in which you can book a flight from Maine to London (average of $661). Flying from Maine to London in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Maine to London

Discover the top 4 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$586Average$678FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$648Average$853FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$802Average$864FlexibilityNo cancel feeOn-time71%
DeltaCheapest$825Average$963FlexibilityNo cancel feeOn-timeN/A

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