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Cheap flights from London Heathrow Airport to Maine from $394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Maine departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Maine

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:35 am - 6:35 pm
LHR
-
BOS
17h 00m
1 stop
United Airlines Logo
6:25 pm - 10:25 am
BOS
-
LHR
11h 00m
1 stop
$477United Airlines
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
7:30 am - 1:35 pm
LHR
-
BOS
11h 05m
1 stop
United Airlines Logo
6:00 am - 8:35 pm
BOS
-
LHR
9h 35m
1 stop
$478United Airlines
Mon, Feb 16 - Tue, Feb 24
United Airlines Logo
7:30 am - 1:35 pm
LHR
-
BOS
11h 05m
1 stop
United Airlines Logo
6:00 am - 9:20 pm
BOS
-
LHR
10h 20m
1 stop
$479United Airlines
Mon, Feb 16 - Mon, Feb 23
Lufthansa Logo
8:30 am - 6:57 pm
LHR
-
BOS
15h 27m
2 stops
Lufthansa Logo
4:15 pm - 7:45 am
BOS
-
LHR
10h 30m
1 stop
$480Lufthansa
Wed, Feb 11 - Mon, Feb 16
Multiple Airlines Logo
6:50 am - 2:52 pm
LHR
-
BOS
13h 02m
2 stops
Multiple Airlines Logo
10:45 am - 7:10 am
BOS
-
LHR
15h 25m
2 stops
$481Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Lufthansa Logo
8:30 am - 3:40 pm
LHR
-
BOS
12h 10m
1 stop
Lufthansa Logo
7:27 pm - 10:40 am
BOS
-
LHR
10h 13m
1 stop
$482Lufthansa
Fri, May 1 - Mon, May 4
Air Canada Logo
6:50 am - 2:52 pm
LHR
-
BOS
13h 02m
2 stops
Air Canada Logo
10:15 am - 6:30 am
BOS
-
LHR
15h 15m
2 stops
$483Air Canada
Tue, Feb 17 - Tue, Feb 24
Iberia Logo
1:30 pm - 4:15 pm
LHR
-
BOS
7h 45mnonstop
Iberia Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
$484Iberia
Wed, Feb 11 - Thu, Feb 26
United Airlines Logo
9:00 am - 5:40 pm
LHR
-
BOS
13h 40m
1 stop
United Airlines Logo
8:05 pm - 5:05 pm
BOS
-
LHR
16h 00m
1 stop
$485United Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
1:10 pm - 11:15 pm
LHR
-
BGR
14h 05m
1 stop
Multiple Airlines Logo
12:43 pm - 6:35 am
BGR
-
LHR
13h 52m
1 stop
$757Multiple Airlines
Thu, Mar 12 - Thu, Mar 19

Air Canada flights from London Heathrow Airport to Maine

Our best Air Canada deals on London Heathrow Airport to Maine flight tickets
Air Canada
Feb 17
LHR6:50 amLondon Heathrow
13h 02m
2 stops
BOS2:52 pmBoston Logan Intl
Feb 24
BOS10:15 amBoston Logan Intl
15h 15m
2 stops
LHR6:30 amLondon Heathrow
$483
Air Canada
Feb 11
LHR9:00 amLondon Heathrow
15h 42m
2 stops
BOS7:42 pmBoston Logan Intl
Feb 18
BOS3:35 pmBoston Logan Intl
13h 30m
2 stops
LHR10:05 amLondon Heathrow
$486
Air Canada
Feb 25
LHR9:00 amLondon Heathrow
13h 50m
1 stop
BOS5:50 pmBoston Logan Intl
Apr 21
BOS6:40 pmBoston Logan Intl
21h 20m
1 stop
LHR9:00 pmLondon Heathrow
$490

British Airways flights from London Heathrow Airport to Maine

Our best British Airways deals on London Heathrow Airport to Maine flight tickets
British Airways
Feb 10
LHR7:50 amLondon Heathrow
11h 05m
1 stop
BOS1:55 pmBoston Logan Intl
Feb 19
BOS7:15 pmBoston Logan Intl
6h 45m
LHR7:00 amLondon Heathrow
$479
British Airways
Feb 11
LHR8:50 amLondon Heathrow
10h 05m
1 stop
BOS1:55 pmBoston Logan Intl
Feb 16
BOS9:35 pmBoston Logan Intl
6h 40m
LHR9:15 amLondon Heathrow
$481
British Airways
Jul 16
LHR5:35 pmLondon Heathrow
7h 30m
BOS8:05 pmBoston Logan Intl
Jul 28
BOS7:35 pmBoston Logan Intl
6h 35m
LHR7:10 amLondon Heathrow
$486

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 2/7

6:35 am-6:35 pm

1 stop17h 00m

Boston Logan Intl

Sat 2/14

6:25 pm-10:25 am

1 stop11h 00m

$477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/16

7:30 am-1:35 pm

1 stop11h 05m

Boston Logan Intl

Tue 2/24

6:00 am-8:35 pm

1 stop9h 35m

$478

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/16

7:30 am-1:35 pm

1 stop11h 05m

Boston Logan Intl

Mon 2/23

6:00 am-9:20 pm

1 stop10h 20m

$479

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 2/11

8:30 am-6:57 pm

2 stops15h 27m

Boston Logan Intl

Mon 2/16

4:15 pm-7:45 am

1 stop10h 30m

$480

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/17

6:50 am-2:52 pm

2 stops13h 02m

Boston Logan Intl

Tue 2/24

10:45 am-7:10 am

2 stops15h 25m

$481

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/1

8:30 am-3:40 pm

1 stop12h 10m

Boston Logan Intl

Mon 5/4

7:27 pm-10:40 am

1 stop10h 13m

$482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 2/17

6:50 am-2:52 pm

2 stops13h 02m

Boston Logan Intl

Tue 2/24

10:15 am-6:30 am

2 stops15h 15m

$483

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 2/11

1:30 pm-4:15 pm

Nonstop7h 45m

Boston Logan Intl

Thu 2/26

7:15 pm-7:00 am

Nonstop6h 45m

$484

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 4/27

9:00 am-5:40 pm

1 stop13h 40m

Boston Logan Intl

Mon 5/4

8:05 pm-5:05 pm

1 stop16h 00m

$485

LondonBangor

LHR - BGR

LHRBGR

London Heathrow

Thu 3/12

1:10 pm-11:15 pm

1 stop14h 05m

Bangor

Thu 3/19

12:43 pm-6:35 am

1 stop13h 52m

$757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Maine from

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

What is the cheapest month to fly to Maine?

The cheapest month to fly to Maine from London Heathrow Airport is in February. Flight prices, which tend to average around $709, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $739.

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 20m

Direct flights

Every day

Airports in Maine

49 airports
The fastest flight from London Heathrow Airport to Maine takes 7h 20m
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

  • 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?

  • 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.

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