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$227+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Mytrip deal was found by Cheapflights users on 4/5. 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 4/268:50 pm
BOS
-
STN
2 stops15h 25m
Multiple Airlines
Thu 4/308:15 am
STN
-
BOS
2 stops18h 30m
Multiple Airlines
Deal found 4/5$548
This oojo deal was found by Cheapflights users on 4/5. 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.
Mon 4/610:30 pm
BOS
-
LGW
1 stop16h 55m
TAP AIR PORTUGAL
Sun 4/129:15 pm
LGW
-
BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 4/5$559
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:00 pm
BOS
-
LTN
2 stops13h 00m
Multiple Airlines
Thu 5/145:40 am
LTN
-
BOS
1 stop20h 25m
Multiple Airlines
Deal found 4/7$563
This oojo deal was found by Cheapflights users on 4/5. 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.
Mon 4/610:30 pm
BOS
-
LGW
1 stop16h 55m
TAP AIR PORTUGAL
Mon 4/1310:35 am
LGW
-
BOS
1 stop14h 45m
TAP AIR PORTUGAL
Deal found 4/5$563
This Mytrip deal was found by Cheapflights users on 4/7. 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.
Mon 4/278:50 pm
BOS
-
LGW
2 stops20h 20m
Multiple Airlines
Mon 5/47:40 am
LGW
-
BOS
2 stops19h 05m
Multiple Airlines
Deal found 4/7$564
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:50 pm
BOS
-
LHR
2 stops18h 05m
Multiple Airlines
Thu 4/306:40 am
LHR
-
BOS
2 stops20h 05m
Multiple Airlines
Deal found 4/6$566
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:50 pm
BOS
-
LHR
2 stops19h 30m
Multiple Airlines
Wed 4/296:40 am
LHR
-
BOS
2 stops17h 10m
Multiple Airlines
Deal found 4/6$568
This Gotogate deal was found by Cheapflights users on 4/9. 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.
Sat 5/211:15 pm
BOS
-
LGW
1 stop16h 10m
TAP AIR PORTUGAL
Sun 5/1012:05 pm
LGW
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 4/9$569
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:50 pm
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Mon 5/186:30 am
STN
-
BOS
3 stops31h 35m
Multiple Airlines
Deal found 4/6$569
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:00 pm
BOS
-
LGW
3 stops28h 40m
Multiple Airlines
Thu 4/3011:00 am
LGW
-
BOS
2 stops15h 45m
Multiple Airlines
Deal found 4/6$578
This Mytrip deal was found by Cheapflights users on 4/9. 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 5/48:50 pm
BOS
-
STN
2 stops20h 35m
Multiple Airlines
Fri 5/86:40 am
STN
-
BOS
2 stops20h 05m
Multiple Airlines
Deal found 4/9$579
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:15 pm
BOS
-
LHR
2 stops18h 40m
TAP AIR PORTUGAL
Tue 5/126:45 pm
LHR
-
BOS
1 stop25h 00m
TAP AIR PORTUGAL
Deal found 4/6$581

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 April 9, 2026.

Round-trip from

$548
(Mytrip)

One-way from

$227
(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. 21% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($79 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 April 9, 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 - STN

BOSSTN

Boston Logan Intl

Thu 4/23

9:50 pm-9:55 am

1 stop31h 05m

London Stansted

Wed 5/6

10:50 am-7:55 pm

1 stop38h 05m

$676

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 5/4

9:50 pm-10:10 pm

1 stop19h 20m

London Stansted

Wed 5/27

6:55 am-7:55 pm

1 stop18h 00m

$685

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 4/29

9:50 pm-10:10 pm

1 stop19h 20m

London Stansted

Thu 5/7

5:35 pm-7:55 pm

1 stop31h 20m

$724

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 4/29

9:50 pm-10:10 pm

1 stop19h 20m

London Stansted

Fri 5/8

6:55 am-7:55 pm

1 stop18h 00m

$724

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 9/11

2:35 pm-12:05 pm

1 stop16h 30m

London Heathrow

Tue 9/29

8:55 am-11:59 pm

2 stops20h 04m

$725

BangorLondon

BGR - LHR

BGRLHR

Bangor

Tue 5/12

4:29 pm-8:50 am

1 stop11h 21m

London Heathrow

Sun 5/17

7:45 pm-3:47 pm

2 stops25h 02m

$725

PortlandLondon

PWM - LHR

PWMLHR

Portland

Wed 5/6

2:51 pm-10:20 am

1 stop14h 29m

London Heathrow

Mon 5/11

11:30 am-12:43 am

2 stops18h 13m

$725

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 5/8

2:38 pm-10:20 am

1 stop14h 42m

London Heathrow

Wed 5/13

9:55 am-11:12 pm

2 stops18h 17m

$725

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 5/10

6:25 am-6:20 am

1 stop18h 55m

London Heathrow

Sat 5/16

6:30 am-11:09 pm

2 stops21h 39m

$725

PortlandLondon

PWM - LHR

PWMLHR

Portland

Fri 5/8

2:38 pm-10:20 am

1 stop14h 42m

London Heathrow

Wed 5/13

8:20 am-12:43 am

1 stop21h 23m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

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 Turkish Airlines, Delta, and KLM fly from Maine to London in about 6h 30m. The time it takes to get you to your destination can typically vary by up to 24h 35m. 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
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
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 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$798FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$757Average$1,118FlexibilityNo cancel feeOn-time71%

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