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$189+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/315:20 amBOS - LHR
1 stop24h 30mUnited Airlines
mar. 1/131:25 pmLHR - BOS
1 stop30h 27mUnited Airlines
Deal found 12/9$504
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/116:40 pmBOS - LHR
1 stop20h 55mUnited Airlines
dom. 12/141:25 pmLHR - BOS
2 stops28h 04mUnited Airlines
Deal found 12/10$505
This Mytrip deal was found by Cheapflights users on 12/10. 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.
mié. 12/108:00 pmBOS - LHR
Nonstop6h 50mVirgin Atlantic
dom. 12/147:40 pmLHR - BOS
Nonstop7h 35mVirgin Atlantic
Deal found 12/10$506
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:10 pmBOS - LHR
Nonstop6h 40mDelta
mié. 1/146:20 amLHR - BOS
1 stop15h 00mDelta
Deal found 12/9$507
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/118:00 pmBOS - LHR
Nonstop6h 50mDelta
lun. 12/158:40 amLHR - BOS
1 stop15h 15mDelta
Deal found 12/10$508
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:15 pmBOS - LHR
Nonstop6h 45mFinnair
lun. 1/193:35 pmLHR - BOS
1 stop12h 21mFinnair
Deal found 12/11$509
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:15 pmBOS - LHR
Nonstop6h 45mFinnair
vie. 1/95:00 pmLHR - BOS
1 stop10h 56mFinnair
Deal found 12/11$510
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:15 pmBOS - LHR
Nonstop6h 45mFinnair
lun. 12/155:00 pmLHR - BOS
1 stop10h 54mFinnair
Deal found 12/11$511
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:15 pmBOS - LHR
Nonstop6h 45mBritish Airways
jue. 12/1811:25 amLHR - BOS
1 stop13h 25mBritish Airways
Deal found 12/10$512
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/118:00 pmBOS - LHR
Nonstop6h 50mDelta
mar. 12/161:05 pmLHR - BOS
Nonstop7h 55mDelta
Deal found 12/10$514
This FlightHub deal was found by Cheapflights users on 12/10. 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.
mié. 12/3110:15 amBOS - LHR
2 stops18h 05mMultiple Airlines
dom. 5/106:00 amLHR - BOS
1 stop18h 55mMultiple Airlines
Deal found 12/10$515
This oojo deal was found by Cheapflights users on 12/10. 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.
mié. 12/316:05 pmBOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
jue. 1/1510:40 amLGW - BOS
1 stop14h 30mTAP AIR PORTUGAL
Deal found 12/10$541

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 diciembre 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$504
(United Airlines)

One-way from

$189
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$722
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
Search Deals
From Maine to London (LON)
Search Deals
One-way flight from Maine to London (LON)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 12, 2025.
Use the filters below to find and compare flights from Maine to London that are best for you.

Fly from

Maine

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

dom. 1/18

5:10 pm-7:50 am

1 stop9h 40m

London Stansted

vie. 1/23

6:30 am-1:55 pm

1 stop12h 25m

$505

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

mar. 4/21

8:50 pm-2:40 pm

1 stop12h 50m

London Gatwick

mar. 4/28

3:40 pm-6:50 pm

1 stop32h 10m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 2/14

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

jue. 2/19

6:35 am-6:35 pm

1 stop17h 00m

$509

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

mar. 3/17

8:50 pm-2:50 pm

1 stop14h 00m

London Luton

mié. 3/25

8:00 am-6:50 pm

1 stop14h 50m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mié. 2/18

5:35 am-10:50 am

1 stop24h 15m

London Heathrow

dom. 2/22

1:25 pm-9:32 am

1 stop25h 07m

$512

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

lun. 1/26

12:08 pm-7:10 am

2 stops14h 02m

London Heathrow

mar. 2/3

12:05 pm-8:20 pm

1 stop13h 15m

$512

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

lun. 1/12

5:10 pm-9:50 am

1 stop11h 40m

London Stansted

vie. 1/16

6:30 am-1:55 pm

1 stop12h 25m

$514

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

vie. 3/27

6:40 pm-8:35 pm

1 stop21h 55m

London Heathrow

mar. 3/31

8:45 am-3:30 pm

1 stop11h 45m

$514

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

jue. 2/5

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

lun. 2/9

9:00 am-4:20 pm

1 stop12h 20m

$515

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

dom. 3/1

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

mié. 3/11

8:55 am-5:20 pm

1 stop12h 25m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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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

What is the cheapest month to book a flight from Maine to London?

Currently, April is the cheapest month in which you can book a flight from Maine to London (average of $589). Flying from Maine to London in December is currently the most expensive (average of $1,472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ME to LON?

Find hourly flight availability from Maine to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s optimal to fly from Maine to London in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

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 Icelandair, United 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 14h 20m. 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.

  • What is the cheapest month to book a flight from Maine to London?

    Currently, April is the cheapest month in which you can book a flight from Maine to London (average of $589). Flying from Maine to London in December is currently the most expensive (average of $1,472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Maine to London

Discover the top 3 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$874FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$786Average$895FlexibilityNo cancel feeOn-time71%
DeltaCheapest$825Average$1,083FlexibilityNo cancel feeOn-timeN/A

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