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$346+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/45:01 pm
PWM
-
LGW
2 stops35h 59m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$630
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/811:07 am
PWM
-
LGW
1 stop17h 53m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$640
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/78:00 am
PWM
-
LGW
2 stops21h 00m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$662
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/39:52 am
PWM
-
LGW
1 stop19h 08m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$676
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/109:52 am
PWM
-
LGW
1 stop19h 08m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$708
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/15:01 pm
PWM
-
LGW
2 stops35h 59m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
PWM
1 stop25h 27m
Multiple Airlines
Deal found 6/8$717
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am
BGR
-
LHR
1 stop9h 50m
United Airlines
Tue 11/1011:05 am
LHR
-
BGR
2 stops37h 48m
United Airlines
Deal found 6/7$759
This Booking.com deal was found by Cheapflights users on 6/7. 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.
Sun 9/65:40 pm
BOS
-
LHR
1 stop19h 00m
Scandinavian Airlines
Sun 9/139:05 pm
LHR
-
BOS
2 stops23h 30m
Scandinavian Airlines
Deal found 6/7$766
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 10/287:00 pm
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Thu 11/1210:40 am
LGW
-
BOS
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 6/6$766
This Mytrip deal was found by Cheapflights users on 6/7. 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 8/610:50 am
BOS
-
STN
2 stops29h 30m
Multiple Airlines
Sun 8/166:35 am
STN
-
BOS
2 stops32h 18m
Multiple Airlines
Deal found 6/7$766
This Gotogate deal was found by Cheapflights users on 6/7. 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.
Mon 8/38:50 pm
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Fri 8/215:35 pm
LHR
-
BOS
Nonstop7h 30m
Multiple Airlines
Deal found 6/7$767
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/75:25 pm
BOS
-
LTN
1 stop17h 05m
Multiple Airlines
Wed 7/226:15 am
LTN
-
BOS
1 stop17h 35m
Multiple Airlines
Deal found 6/7$767

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 June 11, 2026.

Round-trip from

$630
(Kiwi.com)

One-way from

$346
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$1,110
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 ($264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 7/4

11:07 am-10:00 am

1 stop17h 53m

London Gatwick

Tue 8/25

2:00 pm-10:27 am

1 stop25h 27m

$686

PortlandLondon

PWM - LGW

PWMLGW

Portland

Wed 7/8

6:30 pm-10:00 am

2 stops34h 30m

London Gatwick

Tue 8/25

2:00 pm-10:27 am

1 stop25h 27m

$716

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 7/10

9:52 am-10:00 am

1 stop19h 08m

London Gatwick

Tue 8/25

2:00 pm-10:27 am

1 stop25h 27m

$728

BangorLondon

BGR - LHR

BGRLHR

Bangor

Mon 11/9

6:30 am-9:20 pm

1 stop9h 50m

London Heathrow

Tue 11/10

11:05 am-5:04 pm

2 stops34h 59m

$759

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 7/29

4:55 pm-12:35 pm

2 stops14h 40m

London Luton

Sat 8/15

9:00 am-7:15 pm

2 stops15h 15m

$771

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 9/3

5:25 pm-9:30 am

1 stop11h 05m

London Luton

Mon 9/7

12:25 pm-6:50 pm

1 stop11h 25m

$772

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 10/15

9:50 pm-9:55 am

1 stop31h 05m

London Stansted

Thu 10/29

5:20 pm-7:05 pm

1 stop29h 45m

$782

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 8/14

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Sat 8/22

8:40 am-6:30 pm

1 stop14h 50m

$792

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/16

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Sat 8/22

6:30 am-1:18 pm

1 stop11h 48m

$793

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/10

6:00 am-8:10 pm

1 stop9h 10m

London Heathrow

Mon 10/12

8:55 am-3:00 pm

1 stop11h 05m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 United Airlines, Turkish Airlines, and Delta fly from Maine to London in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 24h 30m. 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
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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 airline flying from Maine to London

Discover the top airline 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$757Average$1,091FlexibilityNo cancel feeOn-time71%

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