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$303+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 May 16, 2026.

This Gotogate deal was found by Cheapflights users on 5/11. 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 10/198:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Thu 10/298:35 pm
LHR
-
BOS
1 stop26h 15m
Icelandair
Deal found 5/11$686
This Gotogate deal was found by Cheapflights users on 5/11. 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.
Fri 8/288:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 9/79:25 pm
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 5/11$689
This Icelandair deal was found by Cheapflights users on 5/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:50 pm
BOS
-
LHR
1 stop10h 00m
Icelandair
Sat 11/2812:15 pm
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 5/11$690
This Mytrip deal was found by Cheapflights users on 5/11. 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 12/17:50 pm
BOS
-
LHR
1 stop10h 00m
Icelandair
Thu 12/1012:15 pm
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 5/11$692
This oojo deal was found by Cheapflights users on 5/11. 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.
Tue 10/138:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Tue 10/201:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 5/11$695
This Mytrip deal was found by Cheapflights users on 5/11. 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 11/177:50 pm
BOS
-
LGW
2 stops16h 05m
Multiple Airlines
Mon 11/231:00 pm
LGW
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 5/11$695
This Mytrip deal was found by Cheapflights users on 5/11. 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 7/223:35 pm
BOS
-
STN
2 stops22h 55m
Multiple Airlines
Wed 7/296:30 am
STN
-
BOS
3 stops16h 37m
Multiple Airlines
Deal found 5/11$695
This oojo deal was found by Cheapflights users on 5/11. 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.
Thu 10/88:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Tue 10/133:40 pm
LGW
-
BOS
1 stop32h 10m
Icelandair
Deal found 5/11$696
This oojo deal was found by Cheapflights users on 5/11. 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 10/58:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 10/199:25 pm
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 5/11$697
This LEVEL deal was found by Cheapflights users on 5/11. 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.
Wed 7/810:55 pm
BOS
-
LGW
1 stop30h 55m
LEVEL
Wed 7/151:00 pm
LGW
-
BOS
1 stop13h 05m
LEVEL
Deal found 5/11$697
This The Travel House deal was found by Cheapflights users on 5/11. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Sat 12/1212:15 pm
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 5/11$698
This Mytrip deal was found by Cheapflights users on 5/11. 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.
Fri 6/510:35 am
BOS
-
STN
3 stops33h 15m
Multiple Airlines
Fri 6/126:15 pm
STN
-
BOS
2 stops28h 25m
Multiple Airlines
Deal found 5/11$698

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 May 16, 2026.

Round-trip from

$686
(Gotogate)

One-way from

$303
(FlightHub)

Popular in

July

Cheapest in

October

Average price

$731
From Maine to London (LON)
Search Deals
One-way flight from Maine to London (LON)
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 16, 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 - LGW

BOSLGW

Boston Logan Intl

Tue 6/23

10:50 pm-7:15 am

1 stop27h 25m

London Gatwick

Tue 7/7

4:50 pm-9:05 pm

1 stop33h 15m

$726

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 7/22

10:55 pm-8:05 pm

1 stop16h 10m

London Heathrow

Wed 7/29

9:55 am-9:05 pm

1 stop16h 10m

$737

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 10/15

8:50 pm-8:10 pm

2 stops18h 20m

London Luton

Mon 10/19

7:55 am-2:45 pm

2 stops35h 50m

$754

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 10/14

9:50 pm-9:55 am

1 stop31h 05m

London Stansted

Wed 10/21

10:50 am-7:55 pm

1 stop38h 05m

$756

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 11/12

8:00 pm-4:20 pm

1 stop15h 20m

London Stansted

Wed 11/18

10:50 am-6:05 pm

1 stop36h 15m

$756

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 7/2

11:35 pm-11:10 pm

1 stop18h 35m

London Gatwick

Thu 7/9

2:30 pm-9:45 pm

1 stop12h 15m

$768

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 7/22

5:10 pm-9:25 am

1 stop11h 15m

London Gatwick

Wed 8/19

10:25 am-7:35 pm

1 stop14h 10m

$775

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/8

3:31 pm-7:20 am

1 stop10h 49m

London Heathrow

Mon 10/12

3:15 pm-11:54 pm

1 stop13h 39m

$777

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 10/18

9:45 pm-4:00 pm

1 stop13h 15m

London Gatwick

Wed 10/21

10:25 am-10:26 pm

2 stops17h 01m

$785
Quickest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 7/18

11:10 pm-10:40 am

Nonstop6h 30m

London Heathrow

Mon 8/17

6:55 pm-9:20 pm

Nonstop7h 25m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

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, Turkish Airlines, and Delta fly from Maine to London in about 11h 15m. The time it takes to get you to your destination can typically vary by up to 19h 50m. 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 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
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$798FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$757Average$1,118FlexibilityNo cancel feeOn-time71%

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