HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$207+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maine to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 20, 2025.

This KAYAK deal was found by Cheapflights users on 10/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:50 pmBOS - LHR
1 stop10h 10mSWISS
Mon 11/1712:05 pmLHR - BOS
1 stop13h 15mSWISS
Deal found 10/19$478
This Mytrip deal was found by Cheapflights users on 10/19. 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 11/128:40 pmBOS - LGW
2 stops18h 15mMultiple Airlines
Wed 11/192:25 pmLGW - BOS
2 stops33h 10mMultiple Airlines
Deal found 10/19$478
This Mytrip deal was found by Cheapflights users on 10/19. 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 11/128:40 pmBOS - LTN
2 stops21h 25mMultiple Airlines
Wed 11/196:50 amLTN - BOS
2 stops16h 45mMultiple Airlines
Deal found 10/19$479
This lol.travel deal was found by Cheapflights users on 10/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:00 pmBOS - LHR
Nonstop6h 50mVirgin Atlantic
Wed 12/1010:00 amLHR - BOS
1 stop13h 55mVirgin Atlantic
Deal found 10/19$479
This lol.travel deal was found by Cheapflights users on 10/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:05 pmBOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Wed 12/1010:40 amLGW - BOS
1 stop32h 55mTAP AIR PORTUGAL
Deal found 10/19$479
This Justfly.com deal was found by Cheapflights users on 10/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:20 amBOS - LHR
1 stop16h 50mMultiple Airlines
Sat 11/812:05 pmLHR - BOS
1 stop13h 15mMultiple Airlines
Deal found 10/19$481
This Mytrip deal was found by Cheapflights users on 10/20. 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 11/198:40 pmBOS - LGW
2 stops18h 15mMultiple Airlines
Wed 11/269:40 pmLGW - BOS
2 stops25h 55mMultiple Airlines
Deal found 10/20$481
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/169:50 pmBOS - LCY
1 stop10h 05mMultiple Airlines
Tue 11/189:50 amLCY - BOS
2 stops18h 52mMultiple Airlines
Deal found 10/20$481
This Mytrip deal was found by Cheapflights users on 10/19. 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 12/51:00 pmBOS - LTN
2 stops26h 10mMultiple Airlines
Wed 12/106:50 amLTN - BOS
2 stops16h 45mMultiple Airlines
Deal found 10/19$482
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 10/309:40 pmBOS - LHR
1 stop11h 20mMultiple Airlines
Tue 11/46:00 amLHR - BOS
1 stop13h 05mMultiple Airlines
Deal found 10/20$482
This Mytrip deal was found by Cheapflights users on 10/19. 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 11/2510:15 amBOS - STN
3 stops18h 35mMultiple Airlines
Mon 12/19:45 pmSTN - BOS
3 stops22h 07mMultiple Airlines
Deal found 10/19$482
This Mytrip deal was found by Cheapflights users on 10/18. 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 11/1910:15 amBOS - LTN
3 stops25h 50mMultiple Airlines
Mon 11/247:05 pmLTN - BOS
3 stops24h 47mMultiple Airlines
Deal found 10/18$483

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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(Mytrip)

One-way from

$207
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$543
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. 14% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 20, 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

Tue 2/17

5:30 am-1:50 pm

3 stops27h 20m

London Stansted

Tue 2/24

8:10 am-7:42 pm

2 stops16h 32m

$482

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 11/4

4:20 pm-2:20 pm

2 stops17h 00m

London Stansted

Mon 11/10

9:45 pm-6:35 pm

2 stops25h 50m

$485

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

6:05 pm-4:00 pm

2 stops16h 55m

London Stansted

Wed 12/10

7:40 am-2:35 pm

2 stops35h 55m

$488

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 12/4

3:40 pm-7:10 am

1 stop10h 30m

London Heathrow

Tue 12/16

1:45 pm-8:20 pm

1 stop11h 35m

$498

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 12/4

10:30 am-7:10 am

2 stops15h 40m

London Heathrow

Sun 12/7

9:00 am-8:00 pm

1 stop16h 00m

$502

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 11/18

1:00 pm-9:45 am

2 stops15h 45m

London Luton

Thu 11/20

9:00 am-8:00 pm

2 stops16h 00m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/3

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Tue 1/13

9:20 am-12:16 pm

Nonstop7h 56m

$506

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

3:40 pm-12:15 am

3 stops27h 35m

London Stansted

Mon 12/8

3:55 pm-8:20 pm

2 stops33h 25m

$507

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 12/1

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

Fri 12/5

6:20 am-1:35 pm

1 stop12h 15m

$508

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/26

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

Sat 12/6

6:20 am-1:35 pm

1 stop12h 15m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 60 results
1
2
3
...
6

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 October 20, 2025.

It’s optimal to fly from Maine to London in the evening. By choosing this option you can save up to 31% 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 United Airlines, JetBlue, and Delta 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 3h 47m. 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 JetBlue. According to our data, you can fly for as low as $219. Users have also found prices from $223 and $223 on Delta and United Airlines, 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maine to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Stansted flights
O'Hare Intl to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Luton flights
Newark to London City flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Newark to Stansted flights
Boston to Gatwick flights
Boston to London City flights
Newark to Luton flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Miami to Heathrow flights
Atlanta to Heathrow flights
Los Angeles to Gatwick flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to London City flights
Hobby to Heathrow flights
Reagan-National to Gatwick flights
Boston to Stansted flights
San Francisco to Gatwick flights
Orlando to Heathrow flights
Denver to Heathrow flights
Newark to Edinburgh flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to Gatwick flights
Boston to Luton flights
San Francisco to London City flights
O'Hare Intl to London City flights
LaGuardia to London City flights
Tampa to Heathrow flights
Raleigh to Heathrow flights
Dulles Intl to Stansted flights
Minneapolis to Heathrow flights
John F Kennedy Intl to Edinburgh flights
Dulles Intl to Luton flights

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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$648Average$924FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$802Average$872FlexibilityNo cancel feeOn-time71%
DeltaCheapest$825Average$963FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.