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$222+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LON
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$510
(JetBlue)

One-way from

$222
(Justfly.com)

Popular in

July

Cheapest in

October

Average price

$1,257
From Maine to London (LON)
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One-way flight from Maine to London (LON)
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Highest demand for flights based on searches. 22% potential increase in price ($244 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:50 pmBOS - LHR
1 stop10h 05mIcelandair
Mon 8/259:25 pmLHR - BOS
1 stop19h 10mIcelandair
Deal found 7/3$514
This oojo deal was found by Cheapflights users on 7/2. 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.
Fri 8/228:50 pmBOS - LGW
1 stop9h 55mIcelandair
Fri 8/293:40 pmLGW - BOS
1 stop24h 55mIcelandair
Deal found 7/2$514
This JetBlue deal was found by Cheapflights users on 7/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:14 amBOS - LHR
1 stop10h 31mJetBlue
Tue 9/28:25 amLHR - BOS
Nonstop7h 39mJetBlue
Deal found 7/3$515
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:26 pmBOS - LGW
1 stop13h 24mAmerican Airlines
Wed 8/133:05 pmLGW - BOS
1 stop12h 54mAmerican Airlines
Deal found 7/3$516
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Sun 8/1010:35 amBOS - STN
3 stops19h 00mMultiple Airlines
Tue 8/1910:35 pmSTN - BOS
2 stops22h 20mMultiple Airlines
Deal found 7/2$516
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 8/151:25 pmBOS - LHR
1 stop12h 50mDelta
Fri 8/228:40 amLHR - BOS
1 stop14h 45mDelta
Deal found 7/1$517
This SWISS deal was found by Cheapflights users on 7/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:55 pmBOS - LGW
1 stop14h 55mSWISS
Tue 12/96:40 pmLGW - BOS
1 stop30h 40mSWISS
Deal found 7/2$517
This Iberia deal was found by Cheapflights users on 7/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:00 pmBOS - LGW
2 stops35h 50mIberia
Wed 8/271:00 pmLGW - BOS
1 stop13h 15mIberia
Deal found 7/1$518
This Lufthansa deal was found by Cheapflights users on 7/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:15 pmBOS - LCY
1 stop20h 25mLufthansa
Fri 11/219:55 amLCY - BOS
2 stops13h 40mLufthansa
Deal found 7/2$518
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/145:50 amBOS - LHR
1 stop23h 10mUnited Airlines
Wed 8/206:50 amLHR - BOS
2 stops15h 44mUnited Airlines
Deal found 7/1$519
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/144:35 pmBOS - LTN
2 stops23h 05mMultiple Airlines
Fri 8/229:05 pmLTN - BOS
2 stops25h 55mMultiple Airlines
Deal found 7/1$519
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Sun 8/1010:20 amBOS - LGW
2 stops28h 35mMultiple Airlines
Tue 8/199:35 pmLGW - BOS
3 stops29h 21mMultiple Airlines
Deal found 7/2$519

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 July 3, 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 - LHR

BOSLHR

Boston Logan Intl

Sat 8/23

6:40 pm-6:30 am

Nonstop6h 50m

London Heathrow

Sun 8/31

8:25 am-11:04 am

Nonstop7h 39m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 10/2

6:55 pm-11:50 am

1 stop11h 55m

London Heathrow

Sat 10/11

10:50 am-5:40 pm

1 stop11h 50m

$511

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 9/3

4:45 pm-3:25 pm

2 stops17h 40m

London Luton

Wed 9/10

10:00 am-7:55 pm

2 stops14h 55m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/2

9:55 pm-9:30 am

Nonstop6h 35m

London Heathrow

Wed 9/17

10:50 am-7:50 pm

1 stop14h 00m

$512

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 10/14

10:45 pm-10:30 am

Nonstop6h 45m

London Heathrow

Fri 10/17

8:40 am-6:20 pm

1 stop14h 40m

$513

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 8/11

8:50 pm-11:55 am

1 stop10h 05m

London Heathrow

Sun 8/24

1:05 pm-6:50 pm

1 stop10h 45m

$514

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 8/22

8:50 pm-11:45 am

1 stop9h 55m

London Gatwick

Fri 8/29

3:40 pm-11:35 am

1 stop24h 55m

$514

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 8/3

1:26 pm-7:50 am

1 stop13h 24m

London Gatwick

Wed 8/13

3:05 pm-10:59 pm

1 stop12h 54m

$516

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 8/10

10:35 am-10:35 am

3 stops19h 00m

London Stansted

Tue 8/19

10:35 pm-3:55 pm

2 stops22h 20m

$516

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 11/29

9:55 pm-5:50 pm

1 stop14h 55m

London Gatwick

Tue 12/9

6:40 pm-8:20 pm

1 stop30h 40m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 60 results
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2
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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, November is the cheapest month in which you can book a flight from Maine to London (average of $661). Flying from Maine to London in June is currently the most expensive (average of $1,098). 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 July 3, 2025.

When flying from Maine to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 3, 2025.
See what other customers who have flown with Delta, KLM, and Austrian Airlines from Maine to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,473 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Maine to London one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $222. Users have also found prices from $223 and $223 on Air Canada 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, November is the cheapest month in which you can book a flight from Maine to London (average of $661). Flying from Maine to London in June is currently the most expensive (average of $1,098). 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 Maine?

Book flights to Maine if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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 4 airlines flying from Maine to London

Discover the top 4 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$586Average$678FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$611Average$819FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$786Average$886FlexibilityNo cancel feeOn-time71%
DeltaCheapest$825Average$963FlexibilityNo cancel feeOn-timeN/A

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