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 04m on average. If you fly from Manchester (another popular airport in United Kingdom) to Portland, then the average flight time is 18h 24m.

£255 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

32h 15m

1 stop

LHR

£489

JetBlue

8 May

LHR

19h 48m

1 stop

PWM

15 May

PWM

21h 10m

1 stop

LHR

£497

JetBlue

5 May

EDI

16h 26m

1 stop

PWM

12 May

PWM

22h 20m

1 stop

EDI

£501

JetBlue

21 Apr

LHR

19h 44m

1 stop

PWM

28 Apr

PWM

21h 00m

1 stop

LHR

£513

JetBlue

6 May

LHR

19h 48m

1 stop

PWM

13 May

PWM

21h 10m

1 stop

LHR

£516

JetBlue

4 May

LHR

20h 21m

1 stop

PWM

11 May

PWM

22h 30m

1 stop

LHR

£528

United Airlines

15 May

LHR

11h 23m

1 stop

PWM

17 May

PWM

10h 20m

1 stop

LHR

£547

JetBlue

2 Sept

EDI

16h 47m

1 stop

PWM

16 Sept

PWM

21h 11m

1 stop

EDI

£548

JetBlue

19 Apr

LHR

16h 04m

1 stop

PWM

26 Apr

PWM

32h 15m

1 stop

LHR

£569

JetBlue

17 Apr

LHR

16h 04m

1 stop

PWM

24 Apr

PWM

32h 15m

1 stop

LHR

£575

JetBlue

2 Jun

LHR

17h 01m

1 stop

PWM

3 Jun

PWM

25h 08m

1 stop

LHR

£580

JetBlue

4 May

LHR

16h 08m

1 stop

PWM

26 May

PWM

9h 45m

1 stop

LHR

£595

Flights to Bangor, Maine

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United Airlines

22 Apr

LHR

15h 13m

2 stops

BGR

29 Apr

BGR

23h 15m

2 stops

LHR

£646

United Airlines

22 Apr

LHR

12h 43m

1 stop

BGR

29 Apr

BGR

23h 15m

2 stops

LHR

£670

Multiple Airlines

22 Apr

LHR

15h 15m

1 stop

BGR

29 Apr

BGR

18h 42m

1 stop

LHR

£675

United Airlines

4 May

LHR

12h 40m

1 stop

BGR

11 May

BGR

18h 05m

2 stops

LHR

£687

Delta

4 May

LHR

14h 49m

2 stops

BGR

11 May

BGR

12h 51m

1 stop

LHR

£691

Air France

4 May

LHR

25h 14m

1 stop

BGR

11 May

BGR

11h 21m

1 stop

LHR

£692

Multiple Airlines

4 May

LHR

13h 10m

1 stop

BGR

11 May

BGR

17h 10m

1 stop

LHR

£694

United Airlines

30 Apr

LHR

12h 40m

1 stop

BGR

4 May

BGR

18h 05m

2 stops

LHR

£701

Delta

4 May

LHR

14h 49m

2 stops

BGR

11 May

BGR

16h 16m

2 stops

LHR

£702

KLM

4 May

LCY

34h 59m

2 stops

BGR

11 May

BGR

19h 51m

2 stops

LCY

£724

Delta

13 Apr

LHR

14h 49m

2 stops

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£734

Delta

13 Apr

LHR

14h 49m

2 stops

BGR

19 Apr

BGR

14h 03m

1 stop

LHR

£735

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.

08:40 - 11:23

LHR

BOS

7h 43mdirect

18:35 - 06:30

BOS

LHR

6h 55mdirect

£385JetBlue

Wed, 16 Sep - Wed, 23 Sep

08:40 - 11:23

LHR

BOS

7h 43mdirect

18:35 - 06:30

BOS

LHR

6h 55mdirect

£386JetBlue

Wed, 16 Sep - Wed, 23 Sep

17:35 - 20:05

LHR

BOS

7h 30mdirect

07:30 - 19:00

BOS

LHR

6h 30mdirect

£387British Airways

Tue, 15 Sep - Thu, 5 Nov

06:45 - 21:45

STN

BOS

20h 00m

2 stops

20:50 - 00:50

BOS

STN

23h 00m

2 stops

£391Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

16:50 - 21:05

LGW

BOS

33h 15m

1 stop

23:00 - 12:15

BOS

LGW

32h 15m

1 stop

£394LEVEL

Tue, 19 May - Mon, 14 Sep

13:05 - 21:45

LHR

BOS

13h 40m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£395Icelandair

Fri, 15 May - Sun, 17 May

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

£396Icelandair

Wed, 19 Aug - Tue, 25 Aug

18:35 - 21:05

LGW

BOS

31h 30m

1 stop

23:00 - 07:15

BOS

LGW

27h 15m

1 stop

£399LEVEL

Tue, 19 May - Tue, 7 Jul

06:15 - 14:55

LTN

BOS

13h 40m

1 stop

23:30 - 22:50

BOS

LTN

18h 20m

1 stop

£428Multiple Airlines

Wed, 22 Apr - Mon, 27 Apr

15:45 - 22:35

INV

BOS

11h 50m

1 stop

21:50 - 14:55

BOS

INV

12h 05m

1 stop

£576British Airways

Tue, 30 Jun - Wed, 29 Jul

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

08:40-11:23

Nonstop7h 43m

Boston Logan Intl

Wed 23/9

18:35-06:30

Nonstop6h 55m

£385

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 16/9

08:40-11:23

Nonstop7h 43m

Boston Logan Intl

Wed 23/9

18:35-06:30

Nonstop6h 55m

£386

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 15/9

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Thu 5/11

07:30-19:00

Nonstop6h 30m

£387

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 13/4

06:45-21:45

2 stops20h 00m

Boston Logan Intl

Mon 20/4

20:50-00:50

2 stops23h 00m

£391

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 19/5

16:50-21:05

1 stop33h 15m

Boston Logan Intl

Mon 14/9

23:00-12:15

1 stop32h 15m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Sun 17/5

20:50-11:55

1 stop10h 05m

£395

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 19/8

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Tue 25/8

23:00-14:40

1 stop10h 40m

£396

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 19/5

18:35-21:05

1 stop31h 30m

Boston Logan Intl

Tue 7/7

23:00-07:15

1 stop27h 15m

£399

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 22/4

06:15-14:55

1 stop13h 40m

Boston Logan Intl

Mon 27/4

23:30-22:50

1 stop18h 20m

£428

InvernessBoston

INV - BOS

INVBOS

Inverness

Tue 30/6

15:45-22:35

1 stop11h 50m

Boston Logan Intl

Wed 29/7

21:50-14:55

1 stop12h 05m

£576

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 4 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	£259
Best Round-Trip Price	£385
Fastest flight time	11h 45m
Popular in	July

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £259 (Glasgow Intl 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 £385 (London Heathrow to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 11h 45m (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 cheapest flight I can find to Maine?

The average flight to Maine costs £244/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?

64% 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 6 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 45% 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 6 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.