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Maine

$356+ Cheap flights from Heathrow (LHR) 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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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 March 26, 2025.

Round-trip from

$465
(oojo)

One-way from

$356
(Trip.com)

Popular in

August

Cheapest in

May

Average price

$874
From London Heathrow to Maine
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One-way flight from London Heathrow to Maine
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 26, 2025.

This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:25 pmLHR - BOS
1 stop19h 10mIcelandair
Wed 4/3011:35 pmBOS - LHR
1 stop15h 45mIcelandair
Deal found 3/25$465
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:40 pmLHR - BOS
1 stop25h 55mScandinavian Airlines
Mon 4/75:40 pmBOS - LHR
1 stop10h 40mScandinavian Airlines
Deal found 3/25$475
This Ticket deal was found by Cheapflights users on 3/25. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:45 amLHR - BOS
1 stop11h 35mVirgin Atlantic
Mon 5/57:05 pmBOS - LHR
Nonstop6h 40mVirgin Atlantic
Deal found 3/25$481
This Lufthansa deal was found by Cheapflights users on 3/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:50 amLHR - BOS
1 stop11h 50mLufthansa
Tue 5/137:14 pmBOS - LHR
1 stop10h 26mLufthansa
Deal found 3/25$484
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:30 pmLHR - BOS
1 stop23h 20mMultiple Airlines
Tue 5/132:49 pmBOS - LHR
2 stops14h 26mMultiple Airlines
Deal found 3/25$504
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:40 amLHR - BOS
1 stop16h 15mUnited Airlines
Fri 5/166:00 amBOS - LHR
1 stop9h 40mUnited Airlines
Deal found 3/25$508
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:40 amLHR - BOS
1 stop16h 15mSWISS
Mon 5/129:40 pmBOS - LHR
1 stop10h 20mSWISS
Deal found 3/25$509
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
Mon 4/218:50 amLHR - BOS
1 stop10h 50mBritish Airways
Mon 4/288:00 pmBOS - LHR
Nonstop6h 50mBritish Airways
Deal found 3/25$519
This Flysmarter deal was found by Cheapflights users on 3/25. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:00 amLHR - BOS
2 stops15h 52mAir Canada
Mon 4/285:35 pmBOS - LHR
1 stop11h 25mAir Canada
Deal found 3/25$524
This Ticket deal was found by Cheapflights users on 3/25. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:30 amLHR - BOS
1 stop12h 10mKLM
Mon 4/287:00 pmBOS - LHR
Nonstop6h 45mKLM
Deal found 3/25$528
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:40 amLHR - BOS
1 stop12h 50mDelta
Tue 9/167:05 pmBOS - LHR
Nonstop6h 40mDelta
Deal found 3/25$547
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:55 amLHR - BOS
Nonstop7h 15mAmerican Airlines
Tue 5/138:05 pmBOS - LHR
Nonstop6h 45mAmerican Airlines
Deal found 3/25$554

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 26, 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 4/21

9:25 pm-10:00 pm

1 stop29h 35m

Boston Logan Intl

Mon 4/28

8:50 pm-11:55 am

1 stop10h 05m

$460

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 5/8

1:30 pm-8:10 pm

1 stop11h 40m

Boston Logan Intl

Thu 5/15

5:50 pm-8:40 am

1 stop9h 50m

$462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/28

6:40 am-3:35 pm

1 stop13h 55m

Boston Logan Intl

Mon 9/1

5:40 pm-9:40 pm

1 stop23h 00m

$477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

1:45 pm-7:55 pm

1 stop11h 10m

Boston Logan Intl

Wed 5/21

3:20 pm-10:00 am

1 stop13h 40m

$480

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 4/22

8:50 am-2:40 pm

1 stop10h 50m

Boston Logan Intl

Tue 4/29

8:00 pm-7:50 am

Nonstop6h 50m

$498

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

11:30 am-8:20 pm

1 stop13h 50m

Boston Logan Intl

Tue 5/13

7:05 pm-6:45 am

Nonstop6h 40m

$502

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/7

8:40 am-6:09 pm

2 stops14h 29m

Boston Logan Intl

Tue 5/13

3:20 pm-6:30 am

1 stop10h 10m

$507

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/9

7:25 am-11:28 am

2 stops33h 03m

Boston Logan Intl

Fri 5/16

3:20 pm-6:30 am

1 stop10h 10m

$508

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 5/8

10:25 am-5:21 pm

2 stops35h 56m

Boston Logan Intl

Thu 5/15

11:07 am-7:15 am

1 stop15h 08m

$516

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 4/21

6:30 am-1:40 pm

1 stop12h 10m

Boston Logan Intl

Mon 4/28

7:00 pm-6:45 am

Nonstop6h 45m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 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 Heathrow Airport to Maine

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of $296). Flying from London Heathrow Airport to Maine in April is currently the most expensive (average of $423). 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.

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 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Maine when rainfall is around 2.9 in.

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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 26, 2025.
Read through reviews of airlines operating flights from London to Maine, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,318 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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 cheapest airline one-way is Vueling, with whom users have recently found tickets for as low as $364. However, be on the lookout for offers from TAP AIR PORTUGAL and Iberia, as they are both options that can get you from London Heathrow Airport to Maine for a low price.

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

    While some choose either London Heathrow - Portland or London Heathrow - Bangor, London Heathrow - Boston Logan Intl is the most popular route from London Heathrow Airport to Maine.

  • 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 vacation 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.

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Maine (average of $296). Flying from London Heathrow Airport to Maine in April is currently the most expensive (average of $423). 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

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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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