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 17h 20m.

£231 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

14 May

LHR

16h 08m

1 stop

PWM

22 May

PWM

9h 45m

1 stop

LHR

£488

JetBlue

1 Jun

EDI

30h 25m

1 stop

PWM

8 Jun

PWM

22h 20m

1 stop

EDI

£517

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

5 Oct

PWM

9h 45m

1 stop

LHR

£538

JetBlue

30 May

LHR

20h 43m

1 stop

PWM

6 Jun

PWM

13h 53m

1 stop

LHR

£544

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

6 Oct

PWM

9h 45m

1 stop

LHR

£552

JetBlue

1 Oct

LHR

16h 57m

1 stop

PWM

6 Oct

PWM

9h 45m

1 stop

LHR

£570

JetBlue

29 May

LHR

20h 43m

1 stop

PWM

5 Jun

PWM

13h 53m

1 stop

LHR

£575

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

8 Oct

PWM

9h 45m

1 stop

LHR

£579

JetBlue

1 Oct

LHR

16h 57m

1 stop

PWM

5 Oct

PWM

9h 45m

1 stop

LHR

£589

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

4 Oct

PWM

9h 45m

1 stop

LHR

£592

JetBlue

11 May

LHR

19h 48m

1 stop

PWM

18 May

PWM

21h 10m

1 stop

LHR

£607

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

9 Oct

PWM

9h 45m

1 stop

LHR

£609

Flights to Bangor, Maine

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Multiple Airlines

11 May

LHR

25h 02m

2 stops

BGR

18 May

BGR

12h 53m

1 stop

LHR

£751

Delta

11 May

LHR

12h 27m

1 stop

BGR

18 May

BGR

12h 53m

1 stop

LHR

£755

Delta

11 May

LHR

27h 12m

2 stops

BGR

18 May

BGR

16h 23m

2 stops

LHR

£771

Air France

1 Jun

LHR

12h 27m

1 stop

BGR

8 Jun

BGR

11h 28m

1 stop

LHR

£773

Multiple Airlines

1 Jun

LHR

25h 02m

2 stops

BGR

8 Jun

BGR

11h 28m

1 stop

LHR

£780

United Airlines

1 Jun

LHR

14h 25m

2 stops

BGR

8 Jun

BGR

10h 25m

1 stop

LHR

£785

Delta

1 May

LHR

18h 36m

2 stops

BGR

5 May

BGR

15h 26m

2 stops

LHR

£791

Multiple Airlines

1 May

LHR

24h 05m

1 stop

BGR

5 May

BGR

18h 42m

1 stop

LHR

£797

United Airlines

1 Jun

LHR

12h 15m

1 stop

BGR

8 Jun

BGR

10h 25m

1 stop

LHR

£813

United Airlines

9 Jun

LHR

16h 01m

2 stops

BGR

14 Jun

BGR

10h 10m

1 stop

LHR

£820

United Airlines

9 Jun

LHR

16h 01m

2 stops

BGR

14 Jun

BGR

10h 10m

1 stop

LHR

£821

United Airlines

9 Jun

LHR

16h 01m

2 stops

BGR

14 Jun

BGR

10h 10m

1 stop

LHR

£826

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 - 21:45

LHR

BOS

13h 40m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£402Icelandair

Thu, 30 Apr - Sun, 10 May

11:45 - 19:03

LHR

BOS

12h 18m

1 stop

19:00 - 06:45

BOS

LHR

6h 45mdirect

£403Delta

Fri, 15 May - Sat, 23 May

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

23:00 - 11:45

BOS

LGW

31h 45m

1 stop

£403Icelandair

Wed, 3 Jun - Sun, 7 Jun

20:10 - 22:35

LHR

BOS

7h 25mdirect

07:25 - 18:55

BOS

LHR

6h 30mdirect

£404British Airways

Mon, 27 Jul - Thu, 13 Aug

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

23:00 - 11:45

BOS

LGW

31h 45m

1 stop

£404Icelandair

Thu, 28 May - Sun, 31 May

12:30 - 19:11

EDI

BOS

11h 41m

1 stop

19:27 - 10:35

BOS

EDI

10h 08m

1 stop

£483United Airlines

Tue, 12 May - Wed, 27 May

11:30 - 13:47

EDI

BOS

7h 17mdirect

22:50 - 10:00

BOS

EDI

6h 10mdirect

£485JetBlue

Fri, 8 May - Tue, 12 May

11:30 - 13:47

EDI

BOS

7h 17mdirect

22:50 - 10:00

BOS

EDI

6h 10mdirect

£486JetBlue

Wed, 6 May - Mon, 18 May

10:00 - 18:30

LCY

BOS

13h 30m

1 stop

20:25 - 17:20

BOS

LCY

15h 55m

1 stop

£505Virgin Atlantic

Wed, 27 May - Sun, 31 May

10:00 - 16:25

LCY

BOS

11h 25m

1 stop

16:35 - 07:55

BOS

LCY

10h 20m

1 stop

£511KLM

Wed, 6 May - Mon, 11 May

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/4

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Sun 10/5

20:50-11:55

1 stop10h 05m

£402

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

11:45-19:03

1 stop12h 18m

Boston Logan Intl

Sat 23/5

19:00-06:45

Nonstop6h 45m

£403

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 3/6

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sun 7/6

23:00-11:45

1 stop31h 45m

£403

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/7

20:10-22:35

Nonstop7h 25m

Boston Logan Intl

Thu 13/8

07:25-18:55

Nonstop6h 30m

£404

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 28/5

15:40-21:45

1 stop11h 05m

Boston Logan Intl

Sun 31/5

23:00-11:45

1 stop31h 45m

£404

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Tue 12/5

12:30-19:11

1 stop11h 41m

Boston Logan Intl

Wed 27/5

19:27-10:35

1 stop10h 08m

£483

Fastest return journey

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Fri 8/5

11:30-13:47

Nonstop7h 17m

Boston Logan Intl

Tue 12/5

22:50-10:00

Nonstop6h 10m

£485

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Wed 6/5

11:30-13:47

Nonstop7h 17m

Boston Logan Intl

Mon 18/5

22:50-10:00

Nonstop6h 10m

£486

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 27/5

10:00-18:30

1 stop13h 30m

Boston Logan Intl

Sun 31/5

20:25-17:20

1 stop15h 55m

£505

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 6/5

10:00-16:25

1 stop11h 25m

Boston Logan Intl

Mon 11/5

16:35-07:55

1 stop10h 20m

£511

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	£231
Best Round-Trip Price	£402
Fastest flight time	19h 15m
Popular in	July

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £231 (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 £402 (London Heathrow to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 19h 15m (London Heathrow 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 £241/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.

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.