How long is the flight from United Kingdom to Maine?

The flight from United Kingdom to Maine depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to Portland (the most popular airport in Maine), then the flight time is 11h 37m on average. If you fly from Manchester (another popular airport in United Kingdom) to Portland, then the average flight time is 20h 45m.

£240 Cheap Flights to Maine in 2026

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Recent flights found to popular cities in Maine

Find flights to these popular cities in Maine from your nearest airport.

Flights to Portland, Maine

Search all flight deals to Portland, Maine

JetBlue

20 Apr

LHR

19h 44m

1 stop

PWM

27 Apr

PWM

21h 00m

1 stop

LHR

£507

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£580

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£582

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£583

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£594

Scandinavian Airlines

20 Apr

LHR

33h 56m

2 stops

PWM

27 Apr

PWM

22h 05m

2 stops

LHR

£596

United Airlines

20 Apr

LHR

16h 33m

2 stops

PWM

27 Apr

PWM

14h 08m

2 stops

LHR

£604

Austrian Airlines

23 Apr

LHR

14h 07m

1 stop

PWM

30 Apr

PWM

13h 47m

1 stop

LHR

£623

United Airlines

1 May

LHR

14h 33m

2 stops

PWM

5 May

PWM

11h 41m

1 stop

LHR

£632

United Airlines

1 May

LHR

14h 33m

2 stops

PWM

5 May

PWM

19h 45m

1 stop

LHR

£633

United Airlines

1 May

LHR

14h 33m

2 stops

PWM

5 May

PWM

16h 05m

1 stop

LHR

£634

United Airlines

1 May

LHR

14h 33m

2 stops

PWM

5 May

PWM

14h 01m

2 stops

LHR

£635

Flights to Bangor, Maine

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United Airlines

20 Apr

LHR

16h 43m

2 stops

BGR

27 Apr

BGR

18h 05m

2 stops

LHR

£628

Air France

20 Apr

LHR

28h 59m

1 stop

BGR

27 Apr

BGR

10h 48m

1 stop

LHR

£653

United Airlines

23 Apr

LHR

12h 43m

1 stop

BGR

30 Apr

BGR

18h 05m

2 stops

LHR

£661

United Airlines

13 Apr

LHR

12h 43m

1 stop

BGR

19 Apr

BGR

18h 00m

2 stops

LHR

£668

United Airlines

13 Apr

LHR

16h 43m

2 stops

BGR

19 Apr

BGR

18h 00m

2 stops

LHR

£671

Multiple Airlines

23 Apr

LHR

17h 15m

1 stop

BGR

30 Apr

BGR

18h 42m

1 stop

LHR

£686

KLM

13 Apr

LHR

24h 24m

2 stops

BGR

19 Apr

BGR

12h 18m

1 stop

LHR

£687

KLM

13 Apr

LHR

28h 59m

1 stop

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£694

KLM

13 Apr

LHR

25h 14m

1 stop

BGR

19 Apr

BGR

12h 18m

1 stop

LHR

£696

Multiple Airlines

13 Apr

LHR

13h 00m

1 stop

BGR

19 Apr

BGR

19h 10m

1 stop

LHR

£697

Multiple Airlines

13 Apr

LHR

24h 24m

2 stops

BGR

19 Apr

BGR

15h 43m

2 stops

LHR

£698

American Airlines

13 Apr

LHR

16h 10m

1 stop

BGR

19 Apr

BGR

13h 00m

1 stop

LHR

£702

Find the cheapest flights from the United Kingdom to Maine

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to Maine

Enter your travel dates to find the best prices.

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

20:50 - 11:45

BOS

LGW

9h 55m

1 stop

£359Icelandair

Mon, 4 May - Sat, 30 May

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£361Icelandair

Tue, 31 Mar - Wed, 6 May

06:55 - 21:05

STN

BOS

19h 10m

1 stop

22:50 - 17:45

BOS

STN

13h 55m

1 stop

£362Multiple Airlines

Thu, 30 Apr - Fri, 1 May

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£362Icelandair

Tue, 31 Mar - Tue, 12 May

12:40 - 17:45

LHR

BOS

10h 05m

1 stop

15:40 - 09:35

BOS

LHR

12h 55m

1 stop

£362Air Canada

Wed, 29 Apr - Wed, 20 May

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

20:50 - 14:40

BOS

LGW

12h 50m

1 stop

£362Icelandair

Sun, 5 Apr - Tue, 12 May

12:00 - 20:04

LHR

BOS

13h 04m

1 stop

07:00 - 21:35

BOS

LHR

9h 35m

1 stop

£364United Airlines

Tue, 28 Apr - Thu, 14 May

08:30 - 18:01

LHR

BOS

14h 31m

1 stop

15:40 - 10:00

BOS

LHR

13h 20m

1 stop

£367Air Canada

Mon, 27 Apr - Wed, 20 May

11:35 - 21:05

BHX

BOS

14h 30m

1 stop

22:50 - 16:40

BOS

BHX

12h 50m

1 stop

£367Multiple Airlines

Thu, 9 Apr - Fri, 24 Apr

08:10 - 22:00

BHX

BOS

18h 50m

1 stop

21:15 - 19:55

BOS

BHX

17h 40m

1 stop

£426Aer Lingus

Tue, 19 May - Mon, 1 Jun

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 4/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sat 30/5

20:50-11:45

1 stop9h 55m

£359

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 31/3

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Wed 6/5

20:50-11:55

1 stop10h 05m

£361

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 30/4

06:55-21:05

1 stop19h 10m

Boston Logan Intl

Fri 1/5

22:50-17:45

1 stop13h 55m

£362

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 31/3

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Tue 12/5

20:50-11:55

1 stop10h 05m

£362

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

12:40-17:45

1 stop10h 05m

Boston Logan Intl

Wed 20/5

15:40-09:35

1 stop12h 55m

£362

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sun 5/4

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Tue 12/5

20:50-14:40

1 stop12h 50m

£362

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 28/4

12:00-20:04

1 stop13h 04m

Boston Logan Intl

Thu 14/5

07:00-21:35

1 stop9h 35m

£364

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/4

08:30-18:01

1 stop14h 31m

Boston Logan Intl

Wed 20/5

15:40-10:00

1 stop13h 20m

£367

BirminghamBoston

BHX - BOS

BHXBOS

Birmingham

Thu 9/4

11:35-21:05

1 stop14h 30m

Boston Logan Intl

Fri 24/4

22:50-16:40

1 stop12h 50m

£367

BirminghamBoston

BHX - BOS

BHXBOS

Birmingham

Tue 19/5

08:10-22:00

1 stop18h 50m

Boston Logan Intl

Mon 1/6

21:15-19:55

1 stop17h 40m

£426

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Maine flights insights and trends

Explore insights for your Maine flight to craft the best travel plan

Airlines

Other information

Which airlines fly to Maine?

KLM, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Maine from United Kingdom according to our data. KLM is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Maine. Keep in mind that there are 5 different airlines that fly to Maine on a routine basis, so you have a few additional options to choose from.

Cheapest flights to cities in Maine

Click on the cities below to find out when it's cheapest to fly to Maine from United Kingdom

Portland

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Cheap Maine flight deals and tips

Summary info about Maine flight prices, duration and airlines

Best One-Way Price	£240
Best Round-Trip Price	£359
Fastest flight time	15h 40m
Popular in	August

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £240 (Edinburgh Turnhouse to Boston Logan Intl).

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The best round-trip flight price to Maine from United Kingdom in the last 72 hours is £359 (London Gatwick to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 15h 40m (London City to Boston Logan Intl).

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August has the highest demand for flights to Maine, with a 7% price increase on average.

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Frequently asked questions about flying to Maine

What is the cheapest flight I can find to Maine?

The average flight to Maine costs £170/per person and the cheapest flight to Maine is £82/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

What is the best airport to fly into to visit Portland, Maine?

68% of momondo users visit Portland, Maine more often than any other city in Maine. When travelling to Portland, Maine, typically the most convenient airport to fly into is Boston Airport.

I plan on visiting Fort Williams Park. Which airport is the quickest drive?

The closest airport to Fort Williams Park is Boston Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Portland, Maine Airport.

What is the weather like in Maine?

The temperatures in Maine range from -5 °C to 20 °C depending on the time of year. The warmest month in Maine is July, and the coldest month in Maine is January. Those looking for a drier month during their visit should travel during the months of August, July, or September, when rain is least likely compared to the rest of the year.

Which airlines fly to Maine?

Of the 7 airlines that fly to Maine, United Airlines, KLM and Virgin Atlantic happen to be the most favoured based on our user data. United Airlines is the most popular among the three airlines, with 44% of users choosing them for their travels to Maine.

When did momondo last update prices for flights to Maine?

Prices for flights to Maine were last updated today.

How many operators does momondo search for flights to Maine?

As of March 2026, there are 8 operators available to choose from for flights to Maine.

How old do you have to be to fly to Maine?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel 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 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.

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

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

How can momondo help me find flights to Maine?

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

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

Price alerts on flights to Maine 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.