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Maine

$305+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PWM
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Round-trip from

$457
(Expedia)

One-way from

$318
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$962
From London Heathrow to Maine
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One-way flight from London Heathrow to Maine
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Highest demand for flights based on searches. 9% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This World Air Fares deal was found by Cheapflights users on 4/15. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:05 pmLHR - BOS
1 stop24h 20mMultiple Airlines
Thu 5/1511:07 amBOS - LHR
1 stop15h 08mMultiple Airlines
Deal found 4/15$448
This Expedia deal was found by Cheapflights users on 4/15. 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 20mAustrian Airlines
Tue 5/2011:07 amBOS - LHR
1 stop13h 48mAustrian Airlines
Deal found 4/15$454
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/61:45 pmLHR - BOS
1 stop11h 10mUnited Airlines
Tue 5/136:55 pmBOS - LHR
1 stop10h 05mUnited Airlines
Deal found 4/15$462
This SWISS deal was found by Cheapflights users on 4/15. 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.
Mon 5/56:00 amLHR - BOS
1 stop14h 25mSWISS
Mon 5/125:05 pmBOS - LHR
1 stop13h 20mSWISS
Deal found 4/15$467
This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:40 amLHR - BOS
2 stops14h 17mAir Canada
Sat 5/1710:40 amBOS - LHR
2 stops14h 50mAir Canada
Deal found 4/15$471
This World Air Fares deal was found by Cheapflights users on 4/15. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:30 amLHR - BOS
1 stop10h 01mLufthansa
Sat 9/203:15 pmBOS - LHR
1 stop10h 30mLufthansa
Deal found 4/15$478
This British Airways deal was found by Cheapflights users on 4/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:25 pmLHR - BOS
1 stop10h 20mBritish Airways
Tue 5/138:05 pmBOS - LHR
Nonstop6h 45mBritish Airways
Deal found 4/15$481
This oojo deal was found by Cheapflights users on 4/15. 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.
Tue 5/611:45 amLHR - BOS
1 stop11h 35mVirgin Atlantic
Tue 5/1310:45 pmBOS - LHR
Nonstop6h 45mVirgin Atlantic
Deal found 4/15$482
This Delta deal was found by Cheapflights users on 4/14. 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.
Mon 5/129:55 amLHR - BOS
1 stop11h 30mDelta
Mon 5/198:15 pmBOS - LHR
Nonstop6h 50mDelta
Deal found 4/14$496
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/78:10 pmLHR - BOS
Nonstop7h 20mAmerican Airlines
Thu 5/229:30 amBOS - LHR
1 stop15h 50mAmerican Airlines
Deal found 4/14$511
This TravelUp deal was found by Cheapflights users on 4/14. 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.
Fri 5/29:55 amLHR - BOS
1 stop11h 30mKLM
Tue 5/137:05 pmBOS - LHR
Nonstop6h 40mKLM
Deal found 4/14$513
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Sun 10/51:05 pmLHR - BOS
1 stop10h 45mIcelandair
Thu 10/98:50 pmBOS - LHR
1 stop18h 30mIcelandair
Deal found 4/14$519

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 April 15, 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 5/5

8:05 pm-3:25 pm

1 stop24h 20m

Boston Logan Intl

Thu 5/15

11:07 am-7:15 am

1 stop15h 08m

$448

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

7:30 pm-1:50 pm

1 stop23h 20m

Boston Logan Intl

Tue 5/20

11:07 am-5:55 am

1 stop13h 48m

$454

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

1:45 pm-7:55 pm

1 stop11h 10m

Boston Logan Intl

Tue 5/13

6:55 pm-10:00 am

1 stop10h 05m

$462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/5

6:00 am-3:25 pm

1 stop14h 25m

Boston Logan Intl

Mon 5/12

5:05 pm-11:25 am

1 stop13h 20m

$467

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/7

8:40 am-5:57 pm

2 stops14h 17m

Boston Logan Intl

Sat 5/17

10:40 am-6:30 am

2 stops14h 50m

$471

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 9/7

9:30 am-2:31 pm

1 stop10h 01m

Boston Logan Intl

Sat 9/20

3:15 pm-6:45 am

1 stop10h 30m

$478

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

1:25 pm-6:45 pm

1 stop10h 20m

Boston Logan Intl

Tue 5/13

8:05 pm-7:50 am

Nonstop6h 45m

$481

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/6

11:45 am-6:20 pm

1 stop11h 35m

Boston Logan Intl

Tue 5/13

10:45 pm-10:30 am

Nonstop6h 45m

$482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/12

9:55 am-4:25 pm

1 stop11h 30m

Boston Logan Intl

Mon 5/19

8:15 pm-8:05 am

Nonstop6h 50m

$496

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/7

8:10 pm-10:30 pm

Nonstop7h 20m

Boston Logan Intl

Thu 5/22

9:30 am-6:20 am

1 stop15h 50m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 45 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 May is currently the most expensive (average of $416). 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 April 15, 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
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
1,323 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
7.6
Good
775 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $411. However, be on the lookout for offers from Aer Lingus and Vueling, 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 May is currently the most expensive (average of $416). 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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Stansted to Newark flights
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Gatwick to Los Angeles flights
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Gatwick to Dulles Intl flights
London City to O'Hare Intl flights
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