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Cheap flights from London Heathrow Airport to Maine from £275

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Heathrow to Maine

Keep the following information in mind while searching for Heathrow to Maine flight deals. Data was last updated 25 March 2025.

Round-trip from

£356

One-way from

£275

Popular in

August

Cheapest in

May

Average price

£676
Icelandair
  • Icelandair
  • 21/4-28/4
  • 2 total stops
  • 39h 40m total
  • London to Maine
Search Deals
21/4
  • 21/4
  • 1 total stop
  • 15h 10m total
  • London to Maine
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Heathrow to Maine

Cheapest flights from Heathrow to Maine
Explore the most affordable flight options available from Heathrow to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Mon 21/421:25LHR - BOS
1 stop29h 35mIcelandair
Mon 28/420:50BOS - LHR
1 stop10h 05mIcelandair
Deal found 24/3£356
Thu 8/513:30LHR - BOS
1 stop11h 40mLufthansa
Thu 15/517:50BOS - LHR
1 stop9h 50mLufthansa
Deal found 24/3£357
Mon 31/318:40LHR - BOS
1 stop25h 55mScandinavian Airlines
Mon 7/417:40BOS - LHR
1 stop10h 40mScandinavian Airlines
Deal found 25/3£367
Tue 6/513:45LHR - BOS
1 stop11h 10mMultiple Airlines
Wed 21/515:20BOS - LHR
1 stop13h 40mMultiple Airlines
Deal found 25/3£371
Wed 7/508:40LHR - BOS
2 stops14h 29mAir Canada
Tue 13/515:20BOS - LHR
1 stop10h 10mAir Canada
Deal found 24/3£392
Fri 9/507:25LHR - BOS
2 stops33h 03mUnited Airlines
Fri 16/515:20BOS - LHR
1 stop10h 10mUnited Airlines
Deal found 25/3£393
Thu 8/509:05LHR - BOS
2 stops37h 16mAustrian Airlines
Thu 15/512:30BOS - LHR
1 stop17h 10mAustrian Airlines
Deal found 24/3£399
Mon 12/507:40LHR - BOS
1 stop12h 00mBritish Airways
Wed 28/520:05BOS - LHR
Nonstop6h 45mBritish Airways
Deal found 24/3£404
Mon 21/406:15LHR - BOS
1 stop13h 50mVirgin Atlantic
Mon 28/420:15BOS - LHR
Nonstop6h 50mVirgin Atlantic
Deal found 25/3£407
Thu 1/518:40LHR - BOS
1 stop30h 15mSWISS
Mon 5/517:05BOS - LHR
2 stops15h 35mSWISS
Deal found 24/3£417
Mon 5/517:50LHR - BOS
2 stops30h 42mBrussels Airlines
Thu 15/511:07BOS - LHR
1 stop14h 38mBrussels Airlines
Deal found 24/3£418
Mon 21/417:35LHR - BOS
Nonstop7h 35mFinnair
Mon 28/419:40BOS - LHR
Nonstop6h 40mFinnair
Deal found 25/3£421

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 858,174 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Maine that are best for you.

Fly from

Heathrow

Fly to

Maine

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 21/4

21:25-22:00

1 stop29h 35m

Boston Logan Intl

Mon 28/4

20:50-11:55

1 stop10h 05m

£356

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/5

13:30-20:10

1 stop11h 40m

Boston Logan Intl

Thu 15/5

17:50-08:40

1 stop9h 50m

£357

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 28/8

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Mon 1/9

17:40-21:40

1 stop23h 00m

£369

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 6/5

13:45-19:55

1 stop11h 10m

Boston Logan Intl

Wed 21/5

15:20-10:00

1 stop13h 40m

£371

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 22/4

08:50-14:40

1 stop10h 50m

Boston Logan Intl

Tue 29/4

20:00-07:50

Nonstop6h 50m

£385

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 7/5

08:40-18:09

2 stops14h 29m

Boston Logan Intl

Tue 13/5

15:20-06:30

1 stop10h 10m

£392

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 9/5

07:25-11:28

2 stops33h 03m

Boston Logan Intl

Fri 16/5

15:20-06:30

1 stop10h 10m

£393

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/5

10:25-17:21

2 stops35h 56m

Boston Logan Intl

Thu 15/5

11:07-07:15

1 stop15h 08m

£399

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 21/4

09:00-20:20

1 stop16h 20m

Boston Logan Intl

Mon 28/4

20:15-08:05

Nonstop6h 50m

£404

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/5

18:40-19:55

1 stop30h 15m

Boston Logan Intl

Mon 5/5

17:05-13:40

2 stops15h 35m

£417

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 43 results
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Best time to book a flight from Heathrow to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Heathrow with our price prediction graph.
Estimated return 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 Heathrow Airport to Maine

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

Find hourly flight availability from Heathrow to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

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

Rainfall in Maine by month

Plan your trip to Maine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maine ranges from 73.0 - 115.0 inches per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Maine when rainfall is around 73.0 mm.

Temperature in Maine by month

Plan your trip to Maine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated 25 March 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from London to Maine by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Maine. 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 London Heathrow Airport to Maine one-way?

    The cheapet airlines for a one-way flight from London Heathrow Airport to Maine are Vueling (£288), TAP AIR PORTUGAL (£315), and Iberia (£369).

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

    When deciding which route to take from London Heathrow Airport to Maine consider London Heathrow - Boston Logan Intl, London Heathrow - Portland or London Heathrow - Bangor as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

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Alternative routes for Heathrow to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Heathrow to Maine

Discover the top 6 airlines that operate flights from Heathrow to Maine. 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 858,174 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£414Average£632FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£487Average£665FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£497Average£673FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£501Average£649FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£555Average£718FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£667Average£876FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Maine?

Cheapflights makes it easy to find Heathrow to Maine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Maine?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Maine by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Maine with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Maine, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Maine become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Maine on Cheapflights with our Price Alert feature and get notified when better prices are available.

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