HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maine

$470+ Cheap flights from London (LON) to Maine

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PWM
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to Maine 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.

Cheap flight deals from London to Maine

Cheapest flights from London to Maine
Explore the most affordable flight options available from London to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.

This LEVEL 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:20 am
LGW
-
BOS
1 stop18h 40m
LEVEL
Tue 6/2310:50 pm
BOS
-
LGW
1 stop27h 25m
LEVEL
Deal found 5/26$669
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.
Tue 9/19:40 am
LTN
-
BOS
2 stops34h 55m
Multiple Airlines
Sun 9/65:40 pm
BOS
-
LTN
2 stops23h 00m
Multiple Airlines
Deal found 5/26$670
This LEVEL 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:55 am
LHR
-
BOS
1 stop16h 05m
LEVEL
Tue 6/2310:50 pm
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 5/26$670
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:15 pm
LGW
-
BOS
2 stops22h 30m
TAP AIR PORTUGAL
Sun 9/611:00 pm
BOS
-
LGW
1 stop31h 20m
TAP AIR PORTUGAL
Deal found 5/26$672
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.
Thu 9/249:55 pm
STN
-
BOS
2 stops24h 47m
Multiple Airlines
Thu 10/228:50 pm
BOS
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 5/26$674
This Mytrip deal was found by Cheapflights users on 5/23. 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 9/2112:25 pm
LTN
-
BOS
2 stops32h 10m
Multiple Airlines
Mon 9/285:40 pm
BOS
-
LTN
2 stops17h 05m
Multiple Airlines
Deal found 5/23$674
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:05 am
LHR
-
BOS
Nonstop7h 30m
Finnair
Thu 7/29:50 pm
BOS
-
LHR
Nonstop6h 45m
Finnair
Deal found 5/26$674
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.
Tue 8/186:30 am
STN
-
BOS
3 stops19h 25m
Multiple Airlines
Fri 9/48:50 pm
BOS
-
STN
2 stops23h 00m
Multiple Airlines
Deal found 5/26$675
This Mytrip deal was found by Cheapflights users on 5/23. 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 6/253:50 pm
LTN
-
BOS
1 stop11h 10m
Multiple Airlines
Wed 7/19:15 pm
BOS
-
LTN
1 stop19h 00m
Multiple Airlines
Deal found 5/23$675
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.
Tue 6/2310:05 am
LHR
-
BOS
Nonstop7h 30m
British Airways
Tue 6/308:10 pm
BOS
-
LHR
Nonstop6h 50m
British Airways
Deal found 5/25$675
This TravelUp deal was found by Cheapflights users on 5/23. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:10 pm
LCY
-
BOS
1 stop11h 45m
SWISS
Wed 10/75:20 pm
BOS
-
LCY
1 stop10h 20m
SWISS
Deal found 5/23$676
This Mytrip deal was found by Cheapflights users on 5/23. 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 9/116:20 am
STN
-
BOS
3 stops20h 07m
Multiple Airlines
Mon 9/148:50 pm
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Deal found 5/23$676

Find flight deals from London to Maine

Keep the following information in mind while searching for London to Maine flight deals. Data was last updated May 26, 2026.

Round-trip from

$669
(LEVEL)

One-way from

$470
(British Airways)

Popular in

August

Cheapest in

February

Average price

$856
From London (LON) to Maine
Search Deals
One-way flight from London (LON) to Maine
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Maine 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 26, 2026.
Use the filters below to find and compare flights from London to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 9/21

9:25 am-7:55 pm

1 stop15h 30m

Boston Logan Intl

Mon 9/28

5:20 pm-8:25 am

1 stop10h 05m

$680

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/7

9:05 pm-3:35 pm

2 stops23h 30m

Boston Logan Intl

Wed 10/21

5:50 pm-4:25 pm

2 stops17h 35m

$686

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 10/6

9:05 pm-3:35 pm

2 stops23h 30m

Boston Logan Intl

Tue 10/20

5:40 pm-4:25 pm

2 stops17h 45m

$686

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/24

2:30 pm-5:00 pm

Nonstop7h 30m

Boston Logan Intl

Mon 8/31

6:26 pm-9:10 am

1 stop9h 44m

$690

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 9/23

8:10 pm-10:35 pm

Nonstop7h 25m

Boston Logan Intl

Wed 9/30

6:30 am-9:40 pm

1 stop10h 10m

$691

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/21

7:30 am-4:48 pm

2 stops14h 18m

Boston Logan Intl

Mon 9/28

2:21 pm-6:55 am

1 stop11h 34m

$692

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 6/22

2:10 pm-11:01 pm

1 stop13h 51m

Boston Logan Intl

Tue 7/7

7:25 am-6:55 pm

Nonstop6h 30m

$700

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 8/11

11:35 am-11:55 pm

1 stop17h 20m

Boston Logan Intl

Tue 8/25

8:05 pm-8:00 am

Nonstop6h 55m

$702

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 9/17

9:05 pm-3:35 pm

2 stops23h 30m

Boston Logan Intl

Tue 9/22

5:40 pm-4:25 pm

2 stops17h 45m

$706

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 9/23

9:15 am-3:40 pm

1 stop11h 25m

Boston Logan Intl

Wed 9/30

5:45 pm-8:40 am

1 stop9h 55m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from London to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from London 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 London to Maine

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

Currently, October is the cheapest month in which you can book a flight from London to Maine (average of $162). Flying from London to Maine in January is currently the most expensive (average of $741). 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.

How much does it cost to fly round-trip from London to Maine?

Related info for your journey

Find useful and relevant information for your journey from London to Maine. 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 London to Maine?

    Airlines like SWISS, Scandinavian Airlines, and British Airways fly from London to Maine in about 7h 30m. The time it takes to get you to your destination can typically vary by up to 16h. The distance between London and Maine is about 3254 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from London to Maine?

    Most travelers choose London Heathrow - Boston Logan Intl, London Gatwick - Boston Logan Intl or London City - Boston Logan Intl when deciding on the best route from London to Maine.

  • Can I find deals for flights from London to Maine that include hotel bookings?

    Yes. In addition to deals on London to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Maine.

  • Can I find deals for business class flights from London to Maine?

    Yes. Cheapflights offers flight deals from London to Maine 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 London to Maine?

    Currently, October is the cheapest month in which you can book a flight from London to Maine (average of $162). Flying from London to Maine in January is currently the most expensive (average of $741). 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

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.

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.