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 15h 05m on average. If you fly from Manchester (another popular airport in United Kingdom) to Portland, then the average flight time is 20h 08m.

£234 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

16 Sept

LHR

16h 57m

1 stop

PWM

21 Sept

PWM

9h 45m

1 stop

LHR

£562

JetBlue

16 Sept

LHR

16h 57m

1 stop

PWM

22 Sept

PWM

9h 45m

1 stop

LHR

£580

JetBlue

16 Sept

LHR

16h 57m

1 stop

PWM

20 Sept

PWM

9h 45m

1 stop

LHR

£592

JetBlue

28 May

LHR

30h 40m

1 stop

PWM

4 Jun

PWM

9h 45m

1 stop

LHR

£602

JetBlue

4 Sept

LHR

20h 59m

1 stop

PWM

8 Sept

PWM

15h 13m

1 stop

LHR

£616

JetBlue

3 Jun

LHR

17h 03m

1 stop

PWM

10 Jun

PWM

25h 08m

1 stop

LHR

£627

JetBlue

17 Sept

LHR

16h 57m

1 stop

PWM

21 Sept

PWM

9h 45m

1 stop

LHR

£635

JetBlue

9 Jul

LHR

20h 59m

1 stop

PWM

16 Jul

PWM

9h 45m

1 stop

LHR

£648

JetBlue

17 Sept

LHR

16h 57m

1 stop

PWM

22 Sept

PWM

9h 45m

1 stop

LHR

£652

JetBlue

17 Sept

LHR

16h 57m

1 stop

PWM

20 Sept

PWM

9h 45m

1 stop

LHR

£665

JetBlue

4 Jun

LHR

20h 43m

1 stop

PWM

11 Jun

PWM

9h 45m

1 stop

LHR

£668

United Airlines

16 Sept

LHR

16h 24m

2 stops

PWM

21 Sept

PWM

15h 51m

1 stop

LHR

£669

Flights to Bangor, Maine

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United Airlines

3 Jun

LHR

14h 25m

2 stops

BGR

10 Jun

BGR

13h 09m

1 stop

LHR

£784

Multiple Airlines

3 Jun

LHR

15h 00m

1 stop

BGR

10 Jun

BGR

14h 39m

1 stop

LHR

£785

American Airlines

3 Jun

LHR

14h 19m

1 stop

BGR

10 Jun

BGR

10h 16m

1 stop

LHR

£795

American Airlines

9 Jun

LHR

17h 34m

1 stop

BGR

14 Jun

BGR

13h 30m

1 stop

LHR

£825

United Airlines

9 Jun

LHR

16h 01m

2 stops

BGR

14 Jun

BGR

10h 10m

1 stop

LHR

£826

United Airlines

9 Jun

LHR

16h 01m

2 stops

BGR

14 Jun

BGR

10h 10m

1 stop

LHR

£827

Delta

9 Jun

LHR

12h 22m

1 stop

BGR

14 Jun

BGR

16h 23m

2 stops

LHR

£830

American Airlines

9 Jun

LHR

17h 34m

1 stop

BGR

14 Jun

BGR

14h 39m

1 stop

LHR

£832

American Airlines

9 Jun

LHR

17h 34m

1 stop

BGR

14 Jun

BGR

14h 39m

1 stop

LHR

£833

Delta

9 Jun

LHR

12h 22m

1 stop

BGR

14 Jun

BGR

11h 28m

1 stop

LHR

£836

Delta

9 Jun

LHR

12h 22m

1 stop

BGR

14 Jun

BGR

12h 58m

1 stop

LHR

£836

United Airlines

17 May

LHR

12h 40m

1 stop

BGR

24 May

BGR

33h 30m

1 stop

LHR

£842

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.

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

22:50 - 09:10

BOS

LHR

29h 20m

1 stop

£409LEVEL

Mon, 18 May - Tue, 26 May

13:00 - 21:45

LGW

BOS

13h 45m

1 stop

23:00 - 14:40

BOS

LGW

10h 40m

1 stop

£409Icelandair

Thu, 28 May - Tue, 2 Jun

20:50 - 21:05

STN

BOS

29h 15m

1 stop

16:35 - 11:45

BOS

STN

14h 10m

2 stops

£410Multiple Airlines

Mon, 18 May - Tue, 26 May

20:50 - 21:05

LHR

BOS

29h 15m

1 stop

22:50 - 09:10

BOS

LHR

29h 20m

1 stop

£410LEVEL

Mon, 18 May - Tue, 26 May

17:35 - 20:05

LHR

BOS

7h 30mdirect

07:25 - 18:55

BOS

LHR

6h 30mdirect

£414British Airways

Sat, 5 Sep - Mon, 7 Sep

11:45 - 19:38

LHR

BOS

12h 53m

1 stop

19:00 - 06:45

BOS

LHR

6h 45mdirect

£416Delta

Sun, 3 May - Fri, 22 May

12:20 - 15:05

LGW

BOS

7h 45mdirect

21:40 - 09:35

BOS

LGW

6h 55mdirect

£417JetBlue

Mon, 1 Jun - Mon, 8 Jun

20:10 - 22:35

LHR

BOS

7h 25mdirect

21:55 - 09:40

BOS

LHR

6h 45mdirect

£417British Airways

Wed, 13 May - Sun, 24 May

16:20 - 23:37

LHR

BOS

12h 17m

1 stop

19:00 - 06:45

BOS

LHR

6h 45mdirect

£426Delta

Fri, 15 May - Fri, 22 May

12:10 - 18:16

EDI

BOS

11h 06m

1 stop

20:23 - 09:20

BOS

EDI

31h 57m

1 stop

£494JetBlue

Sat, 9 May - Fri, 15 May

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 18/5

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 26/5

22:50-09:10

1 stop29h 20m

£409

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 28/5

13:00-21:45

1 stop13h 45m

Boston Logan Intl

Tue 2/6

23:00-14:40

1 stop10h 40m

£409

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 18/5

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 26/5

16:35-11:45

2 stops14h 10m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 18/5

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 26/5

22:50-09:10

1 stop29h 20m

£410

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 5/9

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Mon 7/9

07:25-18:55

Nonstop6h 30m

£414

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 3/5

11:45-19:38

1 stop12h 53m

Boston Logan Intl

Fri 22/5

19:00-06:45

Nonstop6h 45m

£416

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 1/6

12:20-15:05

Nonstop7h 45m

Boston Logan Intl

Mon 8/6

21:40-09:35

Nonstop6h 55m

£417

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 13/5

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Sun 24/5

21:55-09:40

Nonstop6h 45m

£417

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

16:20-23:37

1 stop12h 17m

Boston Logan Intl

Fri 22/5

19:00-06:45

Nonstop6h 45m

£426

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Sat 9/5

12:10-18:16

1 stop11h 06m

Boston Logan Intl

Fri 15/5

20:23-09:20

1 stop31h 57m

£494

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?

United Airlines, KLM and Virgin Atlantic are the top three most popular airlines that fly to Maine from United Kingdom according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Maine. Keep in mind that there are 3 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	£234
Best Round-Trip Price	£409
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 £234 (Manchester 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 £409 (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 15% 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 £242/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?

60% 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.

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 5 airlines that fly to Maine, United Airlines, KLM and JetBlue happen to be the most favoured based on our user data. United Airlines is the most popular among the three airlines, with 52% 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 April 2026, there are 5 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.