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$257+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 29, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:05 am
PWM
-
LHR
1 stop19h 20m
Virgin Atlantic
Thu 9/108:40 am
LHR
-
PWM
2 stops19h 50m
Virgin Atlantic
Deal found 6/24$544
This Mytrip deal was found by Cheapflights users on 6/27. 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 9/265:25 pm
BOS
-
LTN
1 stop12h 05m
Multiple Airlines
Wed 9/306:15 am
LTN
-
BOS
1 stop13h 40m
Multiple Airlines
Deal found 6/27$712
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:00 pm
BOS
-
LHR
1 stop31h 55m
Icelandair
Thu 8/271:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 6/28$712
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Thu 8/610:04 am
BOS
-
LGW
1 stop18h 56m
Multiple Airlines
Sun 8/232:00 pm
LGW
-
BOS
1 stop24h 09m
Multiple Airlines
Deal found 6/26$712
This Mytrip deal was found by Cheapflights users on 6/28. 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 8/64:55 pm
BOS
-
STN
2 stops23h 25m
Multiple Airlines
Thu 8/136:30 am
STN
-
BOS
2 stops13h 11m
Multiple Airlines
Deal found 6/28$712
This eDestinos deal was found by Cheapflights users on 6/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:45 pm
BOS
-
LHR
1 stop11h 00m
Virgin Atlantic
Sun 8/236:15 am
LHR
-
BOS
1 stop13h 40m
Virgin Atlantic
Deal found 6/28$713
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/305:25 pm
BOS
-
LGW
1 stop9h 55m
Multiple Airlines
Thu 8/68:40 am
LGW
-
BOS
1 stop11h 15m
Multiple Airlines
Deal found 6/28$713
This Mytrip deal was found by Cheapflights users on 6/26. 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 8/710:40 am
BOS
-
STN
2 stops27h 40m
Multiple Airlines
Tue 8/116:30 am
STN
-
BOS
2 stops16h 37m
Multiple Airlines
Deal found 6/26$713
This Mytrip deal was found by Cheapflights users on 6/27. 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 8/205:25 pm
BOS
-
LTN
1 stop11h 05m
Multiple Airlines
Thu 8/279:40 pm
LTN
-
BOS
2 stops25h 55m
Multiple Airlines
Deal found 6/27$714
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 pm
BOS
-
LHR
1 stop9h 35m
Multiple Airlines
Sat 9/199:15 am
LHR
-
BOS
1 stop11h 55m
Multiple Airlines
Deal found 6/28$714
This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:00 pm
BOS
-
LGW
1 stop31h 45m
Icelandair
Tue 8/253:40 pm
LGW
-
BOS
1 stop32h 10m
Icelandair
Deal found 6/27$714
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/2711:00 pm
BOS
-
STN
2 stops19h 20m
Multiple Airlines
Mon 8/36:30 am
STN
-
BOS
2 stops17h 20m
Multiple Airlines
Deal found 6/27$714

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 29, 2026.

Round-trip from

$544
(Virgin Atlantic)

One-way from

$257
(Virgin Atlantic)

Popular in

July

Cheapest in

December

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. 18% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 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 29, 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 - LHR

PWMLHR

Portland

Thu 8/27

6:05 am-6:25 am

1 stop19h 20m

London Heathrow

Thu 9/10

1:25 pm-11:30 pm

1 stop15h 05m

$558

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 10/23

11:00 pm-5:25 pm

2 stops13h 25m

London Luton

Mon 11/2

6:10 am-5:50 pm

2 stops16h 40m

$715

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 8/9

9:15 pm-9:40 pm

1 stop19h 25m

London Luton

Thu 8/13

9:25 am-2:55 pm

1 stop10h 30m

$719

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 8/29

8:50 pm-11:45 am

1 stop9h 55m

London Gatwick

Mon 12/28

11:55 am-5:50 pm

1 stop10h 55m

$723

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sun 11/15

3:43 pm-8:25 am

1 stop11h 42m

London Heathrow

Tue 11/17

6:50 am-4:09 pm

2 stops14h 19m

$738

BangorLondon

BGR - LHR

BGRLHR

Bangor

Sun 11/15

5:50 pm-10:25 am

1 stop11h 35m

London Heathrow

Tue 11/17

6:50 am-5:04 pm

2 stops15h 14m

$738

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 10/7

10:55 pm-6:05 pm

1 stop14h 10m

London Luton

Wed 10/14

12:45 pm-9:05 pm

1 stop13h 20m

$738

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/7

5:40 pm-4:25 pm

2 stops17h 45m

London Heathrow

Thu 10/22

9:05 pm-3:35 pm

2 stops23h 30m

$740

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 8/6

4:45 pm-2:35 pm

2 stops16h 50m

London Luton

Fri 8/14

8:35 pm-2:45 pm

2 stops23h 10m

$745

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 10/11

5:50 am-6:30 am

1 stop19h 40m

London Heathrow

Wed 10/14

1:50 pm-7:55 pm

1 stop11h 05m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

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
No data available for this route at this time. Please check back soon.

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 Virgin Atlantic, Icelandair, and United Airlines fly from Maine to London in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 14h 55m. 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
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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$757Average$1,091FlexibilityNo cancel feeOn-time71%

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