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$202+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Find 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 noviembre 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. 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. 12/37:50 pmBOS - STN
2 stops12h 30mMultiple Airlines
mié. 12/106:30 amSTN - BOS
2 stops16h 20mMultiple Airlines
Deal found 11/3$496
This Mytrip deal was found by Cheapflights users on 11/5. 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.
mié. 11/195:30 amBOS - LTN
3 stops33h 20mMultiple Airlines
mié. 11/265:45 amLTN - BOS
2 stops17h 50mMultiple Airlines
Deal found 11/5$497
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/33:40 pmBOS - LHR
1 stop10h 30mAir Canada
mar. 1/136:00 amLHR - BOS
2 stops18h 42mAir Canada
Deal found 11/5$497
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2011:35 amBOS - LGW
1 stop18h 20mIcelandair
mar. 11/2511:55 amLGW - BOS
1 stop10h 55mIcelandair
Deal found 11/5$497
This Mytrip deal was found by Cheapflights users on 11/5. 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.
sáb. 11/155:10 pmBOS - STN
1 stop9h 40mMultiple Airlines
jue. 11/206:30 amSTN - BOS
1 stop17h 25mMultiple Airlines
Deal found 11/5$497
This Gurufare deal was found by Cheapflights users on 11/6. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/194:20 pmBOS - LCY
1 stop20h 20mMultiple Airlines
vie. 11/215:40 pmLCY - BOS
1 stop31h 20mMultiple Airlines
Deal found 11/6$497
This Mytrip deal was found by Cheapflights users on 11/6. 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.
jue. 12/45:10 pmBOS - LTN
1 stop10h 35mMultiple Airlines
jue. 12/112:10 pmLTN - BOS
1 stop9h 45mMultiple Airlines
Deal found 11/6$498
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1410:25 amBOS - LHR
2 stops16h 30mUnited Airlines
dom. 11/169:00 amLHR - BOS
1 stop16h 20mUnited Airlines
Deal found 11/6$498
This Mytrip deal was found by Cheapflights users on 11/6. 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.
dom. 11/3010:45 pmBOS - LGW
2 stops16h 50mTAP AIR PORTUGAL
mar. 12/910:40 amLGW - BOS
1 stop32h 55mTAP AIR PORTUGAL
Deal found 11/6$498
This Mytrip deal was found by Cheapflights users on 11/5. 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.
vie. 11/2810:15 amBOS - STN
3 stops27h 05mMultiple Airlines
lun. 12/16:45 pmSTN - BOS
2 stops23h 40mMultiple Airlines
Deal found 11/5$498
This Mytrip deal was found by Cheapflights users on 11/6. 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.
mar. 11/1110:45 amBOS - LTN
2 stops18h 00mMultiple Airlines
vie. 11/145:50 amLTN - BOS
3 stops32h 42mMultiple Airlines
Deal found 11/6$499
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/710:25 amBOS - LHR
2 stops19h 50mUnited Airlines
mar. 11/1112:05 pmLHR - BOS
1 stop13h 15mUnited Airlines
Deal found 11/5$499

Cheap flight deals from Maine to London

Keep the following information in mind while searching for Maine to London flight deals. Data was last updated noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(Air Canada)

One-way from

$202
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$790
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-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. 17% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 noviembre 6, 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 - LTN

BOSLTN

Boston Logan Intl

mar. 2/10

1:00 pm-9:45 am

2 stops15h 45m

London Luton

lun. 2/16

7:05 pm-2:52 pm

3 stops24h 47m

$498

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

mié. 1/21

4:45 pm-3:10 pm

2 stops17h 25m

London Gatwick

lun. 1/26

5:20 pm-3:15 pm

2 stops26h 55m

$498

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

vie. 11/28

10:15 am-6:20 pm

3 stops27h 05m

London Stansted

lun. 12/1

6:45 pm-1:25 pm

2 stops23h 40m

$498

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

mar. 2/10

10:15 am-8:15 pm

3 stops29h 00m

London Stansted

mié. 2/18

5:55 am-6:35 pm

2 stops17h 40m

$500

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mar. 12/9

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

mar. 1/20

9:20 am-12:16 pm

Nonstop7h 56m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 12/6

11:53 am-6:40 am

2 stops13h 47m

London Heathrow

vie. 12/12

1:45 pm-8:00 pm

1 stop11h 15m

$503

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

sáb. 12/6

10:40 pm-3:10 pm

1 stop11h 30m

London Stansted

vie. 12/12

10:05 pm-8:55 pm

2 stops27h 50m

$503

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mié. 1/14

5:00 pm-9:30 am

1 stop11h 30m

London Heathrow

lun. 1/19

9:20 am-12:16 pm

Nonstop7h 56m

$505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

jue. 2/19

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

sáb. 2/28

6:35 am-6:35 pm

1 stop17h 00m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 1/17

6:00 am-9:20 pm

1 stop10h 20m

London Heathrow

mar. 1/20

9:00 am-8:20 pm

1 stop16h 20m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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, September is the cheapest month in which you can book a flight from Maine to London (average of $575). Flying from Maine to London in June is currently the most expensive (average of $1,385). 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 noviembre 6, 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 JetBlue, United Airlines, and TAP AIR PORTUGAL fly from Maine to London in about 6h 43m. The time it takes to get you to your destination can typically vary by up to 9h 57m. 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 cheapest airlines to fly from Maine to London one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $209. Users have also found prices from $213 and $223 on Icelandair and JetBlue, respectively.

  • 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, September is the cheapest month in which you can book a flight from Maine to London (average of $575). Flying from Maine to London in June is currently the most expensive (average of $1,385). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$924FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$802Average$872FlexibilityNo cancel feeOn-time71%
DeltaCheapest$825Average$963FlexibilityNo cancel feeOn-timeN/A

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