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 16h 41m on average. If you fly from Manchester (another popular airport in United Kingdom) to Portland, then the average flight time is 22h 54m.

£206 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

6 May

LHR

16h 41m

1 stop

PWM

9 May

PWM

9h 45m

1 stop

LHR

£562

JetBlue

6 May

LHR

16h 41m

1 stop

PWM

9 May

PWM

9h 45m

1 stop

LHR

£563

JetBlue

6 May

LHR

16h 41m

1 stop

PWM

9 May

PWM

9h 45m

1 stop

LHR

£564

United Airlines

14 Mar

LHR

14h 03m

2 stops

PWM

21 Mar

PWM

14h 56m

2 stops

LHR

£648

JetBlue

31 Mar

LHR

20h 41m

1 stop

PWM

7 Apr

PWM

9h 45m

1 stop

LHR

£653

United Airlines

31 Mar

LHR

16h 33m

2 stops

PWM

7 Apr

PWM

14h 22m

1 stop

LHR

£684

United Airlines

6 May

MAN

17h 34m

2 stops

PWM

10 May

PWM

41h 00m

2 stops

MAN

£706

United Airlines

31 Mar

LHR

15h 58m

2 stops

PWM

7 Apr

PWM

14h 08m

2 stops

LHR

£708

JetBlue

1 Apr

LHR

20h 41m

1 stop

PWM

8 Apr

PWM

19h 30m

2 stops

LHR

£714

Multiple Airlines

1 Apr

LHR

17h 01m

1 stop

PWM

8 Apr

PWM

13h 19m

1 stop

LHR

£719

United Airlines

6 May

MAN

22h 54m

2 stops

PWM

10 May

PWM

23h 55m

2 stops

MAN

£727

United Airlines

6 May

MAN

18h 24m

2 stops

PWM

10 May

PWM

19h 46m

2 stops

MAN

£728

Flights to Bangor, Maine

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United Airlines

13 Mar

LHR

16h 03m

2 stops

BGR

20 Mar

BGR

15h 32m

2 stops

LHR

£625

Finnair

13 Apr

LHR

17h 15m

1 stop

BGR

19 Apr

BGR

13h 00m

1 stop

LHR

£635

Finnair

13 Apr

LHR

17h 15m

1 stop

BGR

19 Apr

BGR

13h 00m

1 stop

LHR

£641

Finnair

13 Apr

LHR

17h 15m

1 stop

BGR

19 Apr

BGR

13h 00m

1 stop

LHR

£646

United Airlines

13 Mar

LHR

13h 23m

1 stop

BGR

20 Mar

BGR

10h 00m

1 stop

LHR

£648

Multiple Airlines

13 Apr

LHR

17h 15m

1 stop

BGR

19 Apr

BGR

19h 10m

1 stop

LHR

£663

Multiple Airlines

13 Apr

LHR

17h 15m

1 stop

BGR

19 Apr

BGR

19h 10m

1 stop

LHR

£664

Multiple Airlines

13 Apr

LHR

15h 15m

1 stop

BGR

19 Apr

BGR

16h 20m

1 stop

LHR

£665

Multiple Airlines

13 Apr

LHR

25h 34m

2 stops

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£671

Multiple Airlines

13 Apr

LHR

25h 34m

2 stops

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£677

Multiple Airlines

13 Apr

LHR

25h 34m

2 stops

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£679

Multiple Airlines

13 Apr

LHR

25h 34m

2 stops

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£697

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.

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£343Icelandair

Wed, 6 May - Thu, 21 May

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£344Icelandair

Tue, 5 May - Sat, 16 May

13:05 - 18:50

LHR

BOS

10h 45m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£345Icelandair

Thu, 7 May - Sat, 16 May

11:55 - 18:50

LGW

BOS

10h 55m

1 stop

20:50 - 14:40

BOS

LGW

12h 50m

1 stop

£345Icelandair

Tue, 10 Mar - Tue, 31 Mar

12:05 - 19:08

LHR

BOS

12h 03m

1 stop

18:30 - 10:25

BOS

LHR

11h 55m

1 stop

£348United Airlines

Wed, 4 Mar - Wed, 11 Mar

09:15 - 19:50

LHR

BOS

15h 35m

1 stop

20:10 - 07:00

BOS

LHR

6h 50mdirect

£350Iberia

Mon, 2 Mar - Mon, 9 Mar

09:20 - 18:55

LCY

BOS

14h 35m

1 stop

21:50 - 17:20

BOS

LCY

15h 30m

1 stop

£355Virgin Atlantic

Fri, 27 Feb - Sun, 8 Mar

08:40 - 19:55

LCY

BOS

15h 15m

1 stop

21:50 - 16:35

BOS

LCY

14h 45m

1 stop

£395Virgin Atlantic

Fri, 13 Mar - Mon, 16 Mar

07:45 - 13:25

LCY

BOS

10h 40m

1 stop

19:10 - 09:30

BOS

LCY

9h 20m

1 stop

£412KLM

Fri, 27 Feb - Mon, 2 Mar

07:45 - 13:25

LCY

BOS

10h 40m

1 stop

19:10 - 09:30

BOS

LCY

9h 20m

1 stop

£413KLM

Fri, 27 Feb - Mon, 2 Mar

Fly from

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 6/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Thu 21/5

20:50-11:55

1 stop10h 05m

£343

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Sat 16/5

20:50-11:55

1 stop10h 05m

£344

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 7/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Sat 16/5

20:50-11:55

1 stop10h 05m

£345

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 10/3

11:55-18:50

1 stop10h 55m

Boston Logan Intl

Tue 31/3

20:50-14:40

1 stop12h 50m

£345

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/3

12:05-19:08

1 stop12h 03m

Boston Logan Intl

Wed 11/3

18:30-10:25

1 stop11h 55m

£348

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/3

09:15-19:50

1 stop15h 35m

Boston Logan Intl

Mon 9/3

20:10-07:00

Nonstop6h 50m

£350

LondonBoston

LCY - BOS

LCYBOS

London City

Fri 27/2

09:20-18:55

1 stop14h 35m

Boston Logan Intl

Sun 8/3

21:50-17:20

1 stop15h 30m

£355

LondonBoston

LCY - BOS

LCYBOS

London City

Fri 13/3

08:40-19:55

1 stop15h 15m

Boston Logan Intl

Mon 16/3

21:50-16:35

1 stop14h 45m

£395

LondonBoston

LCY - BOS

LCYBOS

London City

Fri 27/2

07:45-13:25

1 stop10h 40m

Boston Logan Intl

Mon 2/3

19:10-09:30

1 stop9h 20m

£412

LondonBoston

LCY - BOS

LCYBOS

London City

Fri 27/2

07:45-13:25

1 stop10h 40m

Boston Logan Intl

Mon 2/3

19:10-09:30

1 stop9h 20m

£413

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 39% of people opting to fly with this airline when travelling to Maine. Keep in mind that there are 7 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

Find flights to Portland

Cheap Maine flight deals and tips

Summary info about Maine flight prices, duration and airlines

Best One-Way Price	£206
Best Round-Trip Price	£343
Fastest flight time	10h 55m
Popular in	July

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £206 (Birmingham 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 £343 (London Heathrow to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 10h 55m (London City to Boston Logan Intl).

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July has the highest demand for flights to Maine, with a 14% price increase on average.

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Frequently asked questions about flying to Maine

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

76% 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 Finnair happen to be the most favoured based on our user data. United Airlines is the most popular among the three airlines, with 43% 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 February 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.