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$330+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
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 30, 2026.

This oojo deal was found by Cheapflights users on 5/26. 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 8/198:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Mon 8/249:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 5/26$744
This Scandinavian Airlines deal was found by Cheapflights users on 5/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:35 pm
BOS
-
LHR
2 stops17h 50m
Scandinavian Airlines
Tue 12/159:05 pm
LHR
-
BOS
2 stops23h 35m
Scandinavian Airlines
Deal found 5/26$745
This oojo deal was found by Cheapflights users on 5/25. 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 8/1111:00 pm
BOS
-
LHR
1 stop16h 20m
Icelandair
Tue 8/189:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 5/25$746
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Fri 8/215:40 pm
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Sun 8/236:40 am
LHR
-
BOS
2 stops13h 55m
Scandinavian Airlines
Deal found 5/26$747
This Mytrip deal was found by Cheapflights users on 5/26. 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 6/125:10 am
BOS
-
LTN
3 stops31h 15m
Multiple Airlines
Tue 6/309:40 am
LTN
-
BOS
2 stops17h 58m
Multiple Airlines
Deal found 5/26$747
This oojo deal was found by Cheapflights users on 5/25. 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 9/38:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Tue 9/81:00 pm
LGW
-
BOS
1 stop10h 50m
Icelandair
Deal found 5/25$747
This Mytrip deal was found by Cheapflights users on 5/25. 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 9/98:50 pm
BOS
-
STN
3 stops19h 50m
Multiple Airlines
Wed 9/237:00 am
STN
-
BOS
2 stops15h 42m
Multiple Airlines
Deal found 5/25$747
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Thu 9/105:40 pm
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Fri 9/186:40 am
LHR
-
BOS
2 stops13h 55m
Scandinavian Airlines
Deal found 5/26$748
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 11/116:00 pm
BOS
-
LGW
1 stop10h 50m
TAP AIR PORTUGAL
Sun 11/159:05 am
LGW
-
BOS
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 5/25$748
This Mytrip deal was found by Cheapflights users on 5/25. 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 6/910:45 am
BOS
-
STN
2 stops30h 55m
Multiple Airlines
Sat 6/203:25 pm
STN
-
BOS
3 stops33h 55m
Multiple Airlines
Deal found 5/25$748
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/12:28 pm
BOS
-
LHR
1 stop11h 27m
Austrian Airlines
Tue 9/86:00 am
LHR
-
BOS
1 stop12h 50m
Austrian Airlines
Deal found 5/26$749
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 8/1711:00 pm
BOS
-
LGW
2 stops16h 10m
Multiple Airlines
Wed 8/261:00 pm
LGW
-
BOS
1 stop13h 05m
Multiple Airlines
Deal found 5/25$749

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 30, 2026.

Round-trip from

$744
(oojo)

One-way from

$330
(Kiwi.com)

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
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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 30, 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

BangorLondon

BGR - LHR

BGRLHR

Bangor

Wed 11/11

12:15 pm-10:05 am

2 stops16h 50m

London Heathrow

Fri 11/13

9:00 am-11:23 am

2 stops31h 23m

$758

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/12

5:35 pm-4:25 pm

2 stops17h 50m

London Heathrow

Wed 11/18

7:30 pm-3:40 pm

1 stop25h 10m

$770

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/8

5:40 pm-4:25 pm

2 stops17h 45m

London Heathrow

Mon 10/26

6:40 am-4:40 pm

1 stop14h 00m

$770

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 9/23

8:50 pm-11:55 am

1 stop10h 05m

London Heathrow

Sun 9/27

1:05 pm-6:50 pm

1 stop10h 45m

$775

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/8

5:40 pm-5:00 pm

2 stops18h 20m

London Heathrow

Mon 10/12

9:05 pm-3:35 pm

2 stops23h 30m

$780

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 8/20

9:15 pm-4:45 pm

1 stop14h 30m

London Luton

Tue 8/25

9:40 am-2:55 pm

1 stop10h 15m

$786

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 9/2

7:05 pm-6:45 am

Nonstop6h 40m

London Heathrow

Thu 9/17

9:55 am-4:35 pm

1 stop11h 40m

$793

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 6/23

10:05 am-6:30 pm

2 stops27h 25m

London Luton

Fri 7/3

6:20 am-8:55 pm

3 stops19h 35m

$797

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 9/30

9:30 pm-9:15 am

Nonstop6h 45m

London Heathrow

Wed 10/7

6:55 pm-9:20 pm

Nonstop7h 25m

$800

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 6/10

5:50 am-5:30 pm

3 stops30h 40m

London Luton

Tue 6/16

9:40 am-9:45 am

3 stops29h 05m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/29

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, Scandinavian Airlines, and Icelandair fly from Maine to London in about 10h 05m. The time it takes to get you to your destination can typically vary by up to 7h 45m. 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
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton

Browse thousands of different options on Cheapflights for your next trip

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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 May 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$757Average$1,032FlexibilityNo cancel feeOn-time71%

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