What is the cheapest airline that flies from London Heathrow to Maine?

United Airlines, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to Maine

How many flights depart from London Heathrow Airport to Maine on average per week?

The number of flights available between London Heathrow Airport and Maine is 190 per week as of May 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

When did momondo last update prices for flights from London Heathrow Airport to Maine?

Prices for flights from London Heathrow Airport to Maine refresh daily.

How many operators does momondo search for flights from London Heathrow Airport to Maine?

There are 10 operators available for flights from London Heathrow Airport to Maine as of May 2026.

How old do you have to be to fly from London Heathrow Airport to Maine?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Maine.

What documentation or ID do you need to fly to Maine?

The required travel and health documents for your Maine trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$466 Cheap Flights from London Heathrow Airport to Maine in 2026

1 adult

0 bags

Find the cheapest flights from London Heathrow Airport to Maine

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 10:35 pm

LHR

BOS

7h 25mnonstop

9:55 pm - 9:40 am

BOS

LHR

6h 45mnonstop

$617British Airways

Fri, Aug 28 - Sun, Sep 6

4:30 pm - 1:40 pm

LHR

BOS

26h 10m

1 stop

5:05 pm - 9:40 am

BOS

LHR

11h 35m

1 stop

$622ITA Airways

Tue, Sep 8 - Tue, Sep 29

1:05 pm - 6:50 pm

LHR

BOS

10h 45m

1 stop

11:00 pm - 8:20 pm

BOS

LHR

16h 20m

1 stop

$625Icelandair

Tue, Sep 1 - Mon, Sep 7

1:05 pm - 9:45 pm

LHR

BOS

13h 40m

1 stop

8:50 pm - 11:55 am

BOS

LHR

10h 05m

1 stop

$630Icelandair

Tue, Sep 1 - Thu, Sep 10

8:15 am - 6:16 pm

LHR

BOS

15h 01m

1 stop

7:10 pm - 6:55 am

BOS

LHR

6h 45mnonstop

$634JetBlue

Fri, May 15 - Mon, Nov 2

8:15 am - 11:58 pm

LHR

PWM

20h 43m

1 stop

2:37 pm - 8:45 pm

PWM

LHR

25h 08m

1 stop

$732JetBlue

Wed, May 27 - Wed, Jun 3

7:05 am - 12:43 am

LHR

PWM

22h 38m

2 stops

6:25 am - 9:35 pm

PWM

LHR

34h 10m

2 stops

$895Scandinavian Airlines

Wed, May 27 - Wed, Jun 3

7:05 am - 12:43 am

LHR

PWM

22h 38m

2 stops

6:25 am - 9:35 am

PWM

LHR

22h 10m

2 stops

$927Scandinavian Airlines

Fri, May 29 - Thu, Jun 4

9:00 am - 11:12 pm

LHR

BGR

19h 12m

2 stops

9:15 am - 6:55 am

BGR

LHR

16h 40m

2 stops

$942United Airlines

Sat, Sep 19 - Wed, Sep 30

12:00 pm - 11:12 pm

LHR

BGR

16h 12m

1 stop

12:05 pm - 8:20 am

BGR

LHR

15h 15m

1 stop

$974United Airlines

Sat, Sep 19 - Wed, Sep 30

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Icelandair flights from London Heathrow Airport to Maine

Our best Icelandair deals on London Heathrow Airport to Maine flight tickets

Icelandair

Sep 1

LHR1:05 pmLondon Heathrow

10h 45m

1 stop

BOS6:50 pmBoston Logan Intl

Sep 7

BOS11:00 pmBoston Logan Intl

16h 20m

1 stop

LHR8:20 pmLondon Heathrow

$625

Icelandair

Sep 1

LHR1:05 pmLondon Heathrow

13h 40m

1 stop

BOS9:45 pmBoston Logan Intl

Sep 10

BOS8:50 pmBoston Logan Intl

10h 05m

1 stop

LHR11:55 amLondon Heathrow

$630

Icelandair

May 5

LHR1:05 pmLondon Heathrow

10h 45m

1 stop

BOS6:50 pmBoston Logan Intl

May 12

BOS8:50 pmBoston Logan Intl

18h 30m

1 stop

LHR8:20 pmLondon Heathrow

$631

TAP AIR PORTUGAL flights from London Heathrow Airport to Maine

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Maine flight tickets

TAP AIR PORTUGAL

Oct 22

LHR6:00 amLondon Heathrow

13h 45m

1 stop

BOS2:45 pmBoston Logan Intl

Oct 26

BOS7:00 pmBoston Logan Intl

13h 40m

1 stop

LHR12:40 pmLondon Heathrow

$640

TAP AIR PORTUGAL

Sep 30

LHR8:00 amLondon Heathrow

17h 20m

1 stop

BOS8:20 pmBoston Logan Intl

Oct 18

BOS10:40 pmBoston Logan Intl

15h 10m

1 stop

LHR6:50 pmLondon Heathrow

$641

TAP AIR PORTUGAL

Oct 24

LHR7:50 pmLondon Heathrow

30h 05m

1 stop

BOS8:55 pmBoston Logan Intl

Oct 31

BOS11:10 pmBoston Logan Intl

12h 20m

1 stop

LHR3:30 pmLondon Heathrow

$642

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Maine that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 8/28

8:10 pm-10:35 pm

Nonstop7h 25m

Boston Logan Intl

Sun 9/6

9:55 pm-9:40 am

Nonstop6h 45m

$617

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/8

4:30 pm-1:40 pm

1 stop26h 10m

Boston Logan Intl

Tue 9/29

5:05 pm-9:40 am

1 stop11h 35m

$622

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/1

1:05 pm-6:50 pm

1 stop10h 45m

Boston Logan Intl

Mon 9/7

11:00 pm-8:20 pm

1 stop16h 20m

$625

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/1

1:05 pm-9:45 pm

1 stop13h 40m

Boston Logan Intl

Thu 9/10

8:50 pm-11:55 am

1 stop10h 05m

$630

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/15

8:15 am-6:16 pm

1 stop15h 01m

Boston Logan Intl

Mon 11/2

7:10 pm-6:55 am

Nonstop6h 45m

$634

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 5/27

8:15 am-11:58 pm

1 stop20h 43m

Portland

Wed 6/3

2:37 pm-8:45 pm

1 stop25h 08m

$732

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Wed 5/27

7:05 am-12:43 am

2 stops22h 38m

Portland

Wed 6/3

6:25 am-9:35 pm

2 stops34h 10m

$895

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 5/29

7:05 am-12:43 am

2 stops22h 38m

Portland

Thu 6/4

6:25 am-9:35 am

2 stops22h 10m

$927

LondonBangor

LHR - BGR

LHRBGR

London Heathrow

Sat 9/19

9:00 am-11:12 pm

2 stops19h 12m

Bangor

Wed 9/30

9:15 am-6:55 am

2 stops16h 40m

$942

LondonBangor

LHR - BGR

LHRBGR

London Heathrow

Sat 9/19

12:00 pm-11:12 pm

1 stop16h 12m

Bangor

Wed 9/30

12:05 pm-8:20 am

1 stop15h 15m

$974

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Maine?

The cheapest month to fly to Maine from London Heathrow Airport is in July. Flight prices, which tend to average around $193, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $624.

Cheap London Heathrow Airport to Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Maine

Fastest flight time	7h 25m
Direct flights	Every day
Airports in Maine	49 airports

The fastest flight from London Heathrow Airport to Maine takes 7h 25m

Direct flights go from London Heathrow Airport to Maine every day.

There are 49 airports in Maine. From London Heathrow Airport there are direct flights to Boston Logan Intl (BOS).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Maine

When did momondo last update prices for flights from London Heathrow Airport to Maine?
Prices for flights from London Heathrow Airport to Maine refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Maine?
There are 10 operators available for flights from London Heathrow Airport to Maine as of May 2026.
How old do you have to be to fly from London Heathrow Airport to Maine?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Maine.
What documentation or ID do you need to fly to Maine?
The required travel and health documents for your Maine trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Maine?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Maine from London.

Can I find flights from London to Maine with flexible booking policies on momondo?

momondo does allow users to show only those flights to Maine from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Maine?

Once you have performed a search for London to Maine flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Maine right now. Can momondo alert me if prices change?

Price alerts on flights to Maine from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.