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

United Airlines is the most popular carrier operating from London Heathrow 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Maine may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£412 Cheap Flights from London Heathrow Airport to Maine in 2026/27

Find the cheapest flights from London Heathrow Airport to Maine

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:20 - 23:43LHR London Heathrow-PWM Portland

16h 23m1 stop New York John F Kennedy Intl

06:30 - 21:40PWM Portland-LHR London Heathrow

10h 10m1 stop New York John F Kennedy Intl

£707JetBlue

Thu, 12 Nov - Mon, 16 Nov

06:40 - 00:21LHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

06:00 - 17:40PWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

£741Scandinavian Airlines

Wed, 2 Dec - Sun, 6 Dec

06:40 - 00:21LHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

06:00 - 17:40PWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

£743Scandinavian Airlines

Wed, 2 Dec - Sun, 6 Dec

06:40 - 00:21LHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

06:00 - 17:40PWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

£744Scandinavian Airlines

Wed, 2 Dec - Sun, 6 Dec

06:40 - 00:21LHR London Heathrow-PWM Portland

22h 41m2 stops Kastrup Copenhagen New York John F Kennedy Intl

06:00 - 17:40PWM Portland-LHR London Heathrow

30h 40m2 stops New York John F Kennedy Intl Kastrup Copenhagen

£744Scandinavian Airlines

Wed, 2 Dec - Sun, 6 Dec

12:05 - 23:24LHR London Heathrow-PWM Portland

16h 19m2 stops Zurich Newark

09:12 - 21:20PWM Portland-LHR London Heathrow

31h 08m1 stop Newark

£761United Airlines

Wed, 2 Dec - Sun, 6 Dec

12:05 - 23:21LHR London Heathrow-PWM Portland

16h 16m2 stops Zurich Newark

14:15 - 09:10PWM Portland-LHR London Heathrow

13h 55m2 stops Washington, D.C. Dulles Intl Newark

£762United Airlines

Wed, 25 Nov - Wed, 2 Dec

09:00 - 23:24LHR London Heathrow-PWM Portland

19h 24m2 stops Zurich Newark

19:55 - 20:35PWM Portland-LHR London Heathrow

19h 40m1 stop Newark

£763United Airlines

Wed, 2 Dec - Sun, 6 Dec

12:05 - 23:24LHR London Heathrow-PWM Portland

16h 19m2 stops Zurich Newark

16:47 - 05:55PWM Portland-LHR London Heathrow

32h 08m1 stop Chicago O'Hare Intl

£764United Airlines

Wed, 2 Dec - Sun, 6 Dec

07:45 - 18:03LHR London Heathrow-BGR Bangor

15h 18m2 stops Edinburgh Turnhouse Philadelphia

10:43 - 09:05BGR Bangor-LHR London Heathrow

41h 22m2 stops Philadelphia Montreal Pierre Elliott Trudeau Intl

£765Finnair

Tue, 10 Nov - Tue, 1 Dec

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Scandinavian Airlines flights from London Heathrow Airport to Maine

Our best Scandinavian Airlines deals on London Heathrow Airport to Maine flight tickets

Scandinavian Airlines

2 Dec

LHR06:40London Heathrow

22h 41m

2 stops

PWM00:21Portland

6 Dec

PWM06:00Portland

30h 40m

2 stops

LHR17:40London Heathrow

£741

Scandinavian Airlines

2 Dec

LHR06:40London Heathrow

22h 41m

2 stops

PWM00:21Portland

6 Dec

PWM06:00Portland

30h 40m

2 stops

LHR17:40London Heathrow

£743

Scandinavian Airlines

2 Dec

LHR06:40London Heathrow

22h 41m

2 stops

PWM00:21Portland

6 Dec

PWM06:00Portland

30h 40m

2 stops

LHR17:40London Heathrow

£744

United Airlines flights from London Heathrow Airport to Maine

Our best United Airlines deals on London Heathrow Airport to Maine flight tickets

United Airlines

2 Dec

LHR12:05London Heathrow

16h 19m

2 stops

PWM23:24Portland

6 Dec

PWM09:12Portland

31h 08m

1 stop

LHR21:20London Heathrow

£761

United Airlines

25 Nov

LHR12:05London Heathrow

16h 16m

2 stops

PWM23:21Portland

2 Dec

PWM14:15Portland

13h 55m

2 stops

LHR09:10London Heathrow

£762

United Airlines

2 Dec

LHR09:00London Heathrow

19h 24m

2 stops

PWM23:24Portland

6 Dec

PWM19:55Portland

19h 40m

1 stop

LHR20:35London Heathrow

£763

momondo Fare Finder

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

Cheapest return flight

Fastest return journey

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Thu 12/11

12:20-23:43

1 stop16h 23m

Portland

Mon 16/11

06:30-21:40

1 stop10h 10m

£707

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£741

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£743

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£744

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

06:40-00:21

2 stops22h 41m

Portland

Sun 6/12

06:00-17:40

2 stops30h 40m

£744

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

09:12-21:20

1 stop31h 08m

£761

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 25/11

12:05-23:21

2 stops16h 16m

Portland

Wed 2/12

14:15-09:10

2 stops13h 55m

£762

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

09:00-23:24

2 stops19h 24m

Portland

Sun 6/12

19:55-20:35

1 stop19h 40m

£763

LondonPortland

LHR London Heathrow - PWM Portland

LHRPWM

London Heathrow

Wed 2/12

12:05-23:24

2 stops16h 19m

Portland

Sun 6/12

16:47-05:55

1 stop32h 08m

£764

LondonBangor

LHR London Heathrow - BGR Bangor

LHRBGR

London Heathrow

Tue 10/11

07:45-18:03

2 stops15h 18m

Bangor

Tue 1/12

10:43-09:05

2 stops41h 22m

£765

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

What is the cheapest month to fly to Maine?

If you aren’t able to travel during the month of April, then book flights to Maine from London Heathrow Airport during November instead. Flights to Maine in November, while not as cheap as those in April, still average around £550.

Can stopping save me money on London Heathrow Airport to Maine flights?

You could potentially save up to 18% on your flight if you consider stops on a London Heathrow Airport to Maine flight.

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

Best price found	£412
Fastest flight time	7h 30m
Direct flights	None

The best one-way flight to Maine from London Heathrow Airport in the past 72 hours is £412. The best return flight deal from London Heathrow Airport to Maine found on momondo in the last 72 hours is £707.

The fastest flight from London Heathrow Airport to Maine takes 7h 30m

There are no direct flights from London Heathrow Airport to Maine. There are no popular flight routes from London Heathrow Airport to Maine.

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 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Maine may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Maine. momondo saves you time and could save you money on your trip.

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

Flights from London to Maine with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and Maine by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.