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 34h 16m.

£174 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

Austrian Airlines

11 Apr

LHR

15h 55m

1 stop

PWM

16 Apr

PWM

16h 11m

1 stop

LHR

£209

JetBlue

19 Apr

LHR

16h 04m

1 stop

PWM

26 Apr

PWM

32h 15m

1 stop

LHR

£479

JetBlue

20 Apr

LHR

19h 44m

1 stop

PWM

27 Apr

PWM

21h 00m

1 stop

LHR

£508

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£526

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£537

JetBlue

17 Apr

LHR

16h 04m

1 stop

PWM

24 Apr

PWM

21h 00m

1 stop

LHR

£543

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£567

United Airlines

22 Apr

LHR

16h 07m

2 stops

PWM

29 Apr

PWM

14h 46m

2 stops

LHR

£577

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£581

JetBlue

1 May

LHR

16h 41m

1 stop

PWM

5 May

PWM

9h 45m

1 stop

LHR

£584

Austrian Airlines

22 Apr

LHR

15h 52m

1 stop

PWM

29 Apr

PWM

13h 46m

1 stop

LHR

£596

Scandinavian Airlines

20 Apr

LHR

33h 56m

2 stops

PWM

27 Apr

PWM

22h 05m

2 stops

LHR

£597

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

£629

United Airlines

13 Apr

LHR

12h 43m

1 stop

BGR

19 Apr

BGR

18h 00m

2 stops

LHR

£643

Air France

20 Apr

LHR

28h 59m

1 stop

BGR

27 Apr

BGR

10h 48m

1 stop

LHR

£655

Multiple Airlines

13 Apr

LHR

15h 40m

1 stop

BGR

19 Apr

BGR

19h 10m

1 stop

LHR

£659

Multiple Airlines

13 Apr

LHR

15h 40m

1 stop

BGR

19 Apr

BGR

16h 20m

1 stop

LHR

£661

United Airlines

13 Apr

LHR

12h 43m

1 stop

BGR

19 Apr

BGR

18h 00m

2 stops

LHR

£669

KLM

13 Apr

LHR

24h 24m

2 stops

BGR

19 Apr

BGR

12h 18m

1 stop

LHR

£688

United Airlines

19 Apr

LHR

16h 43m

2 stops

BGR

26 Apr

BGR

23h 00m

2 stops

LHR

£690

American Airlines

18 Apr

LHR

14h 15m

1 stop

BGR

25 Apr

BGR

13h 00m

1 stop

LHR

£692

KLM

13 Apr

LHR

28h 59m

1 stop

BGR

19 Apr

BGR

10h 48m

1 stop

LHR

£696

KLM

13 Apr

LHR

25h 14m

1 stop

BGR

19 Apr

BGR

12h 18m

1 stop

LHR

£698

Multiple Airlines

13 Apr

LHR

15h 40m

1 stop

BGR

19 Apr

BGR

16h 20m

1 stop

LHR

£698

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

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19:00 - 21:05

GLA

BOS

55h 05m

2 stops

23:00 - 13:25

BOS

GLA

9h 25m

1 stop

£332Multiple Airlines

Thu, 16 Apr - Sun, 26 Apr

17:30 - 21:05

EDI

BOS

32h 35m

1 stop

22:50 - 16:30

BOS

EDI

12h 40m

1 stop

£333Multiple Airlines

Thu, 16 Apr - Thu, 23 Apr

10:05 - 12:35

LHR

BOS

7h 30mdirect

12:01 - 07:20

BOS

LHR

14h 19m

1 stop

£359American Airlines

Wed, 3 Jun - Sat, 13 Jun

15:40 - 21:45

LGW

BOS

11h 05m

1 stop

20:50 - 11:45

BOS

LGW

9h 55m

1 stop

£360Icelandair

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

£362Icelandair

Tue, 31 Mar - Wed, 6 May

17:40 - 20:10

LHR

BOS

7h 30mdirect

19:35 - 07:10

BOS

LHR

6h 35mdirect

£364British Airways

Sun, 31 May - Sat, 13 Jun

17:35 - 20:05

LHR

BOS

7h 30mdirect

21:50 - 09:35

BOS

LHR

6h 45mdirect

£365British Airways

Sat, 22 Aug - Sat, 29 Aug

08:25 - 13:19

LCY

BOS

9h 54m

1 stop

16:40 - 07:55

BOS

LCY

10h 15m

1 stop

£434KLM

Wed, 2 Sep - Tue, 29 Sep

10:00 - 16:25

LCY

BOS

11h 25m

1 stop

16:35 - 07:55

BOS

LCY

10h 20m

1 stop

£447KLM

Thu, 7 May - Mon, 11 May

07:20 - 18:48

INV

BOS

16h 28m

2 stops

12:01 - 09:35

BOS

INV

16h 34m

2 stops

£523American Airlines

Tue, 9 Jun - Tue, 23 Jun

Fly from

Route

Depart

Return

Price

Cheapest return flight

GlasgowBoston

GLA - BOS

GLABOS

Glasgow Intl

Thu 16/4

19:00-21:05

2 stops55h 05m

Boston Logan Intl

Sun 26/4

23:00-13:25

1 stop9h 25m

£332

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Thu 16/4

17:30-21:05

1 stop32h 35m

Boston Logan Intl

Thu 23/4

22:50-16:30

1 stop12h 40m

£333

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/6

10:05-12:35

Nonstop7h 30m

Boston Logan Intl

Sat 13/6

12:01-07:20

1 stop14h 19m

£359

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

£360

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

£362

Fastest return journey

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 31/5

17:40-20:10

Nonstop7h 30m

Boston Logan Intl

Sat 13/6

19:35-07:10

Nonstop6h 35m

£364

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 22/8

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Sat 29/8

21:50-09:35

Nonstop6h 45m

£365

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 2/9

08:25-13:19

1 stop9h 54m

Boston Logan Intl

Tue 29/9

16:40-07:55

1 stop10h 15m

£434

LondonBoston

LCY - BOS

LCYBOS

London City

Thu 7/5

10:00-16:25

1 stop11h 25m

Boston Logan Intl

Mon 11/5

16:35-07:55

1 stop10h 20m

£447

InvernessBoston

INV - BOS

INVBOS

Inverness

Tue 9/6

07:20-18:48

2 stops16h 28m

Boston Logan Intl

Tue 23/6

12:01-09:35

2 stops16h 34m

£523

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

Find flights to Portland

Cheap Maine flight deals and tips

Summary info about Maine flight prices, duration and airlines

Best One-Way Price	£174
Best Round-Trip Price	£332
Fastest flight time	11h 05m
Popular in	August

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £174 (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 £332 (Glasgow Intl to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 11h 05m (London Gatwick 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 £171/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.