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 14h 39m on average. If you fly from Manchester (another popular airport in United Kingdom) to Portland, then the average flight time is 17h 23m.

£240 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

£487

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

5 Oct

PWM

9h 45m

1 stop

LHR

£537

JetBlue

30 May

LHR

20h 43m

1 stop

PWM

6 Jun

PWM

13h 53m

1 stop

LHR

£543

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

6 Oct

PWM

9h 45m

1 stop

LHR

£551

JetBlue

1 Oct

LHR

16h 57m

1 stop

PWM

6 Oct

PWM

9h 45m

1 stop

LHR

£568

JetBlue

29 May

LHR

20h 43m

1 stop

PWM

5 Jun

PWM

13h 53m

1 stop

LHR

£574

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

8 Oct

PWM

9h 45m

1 stop

LHR

£578

JetBlue

4 Jun

LHR

20h 43m

1 stop

PWM

5 Jun

PWM

13h 53m

1 stop

LHR

£585

JetBlue

1 Oct

LHR

16h 57m

1 stop

PWM

5 Oct

PWM

9h 45m

1 stop

LHR

£588

JetBlue

29 Sept

LHR

16h 57m

1 stop

PWM

4 Oct

PWM

9h 45m

1 stop

LHR

£590

JetBlue

1 Sept

LHR

30h 50m

1 stop

PWM

20 Sept

PWM

9h 45m

1 stop

LHR

£593

JetBlue

11 May

LHR

19h 48m

1 stop

PWM

18 May

PWM

21h 10m

1 stop

LHR

£606

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

£750

Delta

11 May

LHR

12h 27m

1 stop

BGR

18 May

BGR

12h 53m

1 stop

LHR

£753

Delta

11 May

LHR

27h 12m

2 stops

BGR

18 May

BGR

16h 23m

2 stops

LHR

£769

Multiple Airlines

27 May

LHR

14h 32m

1 stop

BGR

3 Jun

BGR

13h 25m

1 stop

LHR

£772

United Airlines

26 May

LHR

18h 11m

2 stops

BGR

2 Jun

BGR

10h 10m

1 stop

LHR

£778

United Airlines

27 May

LHR

16h 05m

2 stops

BGR

3 Jun

BGR

10h 15m

1 stop

LHR

£778

United Airlines

27 May

LHR

14h 25m

2 stops

BGR

3 Jun

BGR

14h 09m

2 stops

LHR

£783

Delta

1 May

LHR

18h 36m

2 stops

BGR

5 May

BGR

15h 26m

2 stops

LHR

£789

Multiple Airlines

1 May

LHR

24h 05m

1 stop

BGR

5 May

BGR

18h 42m

1 stop

LHR

£795

United Airlines

26 May

LHR

12h 15m

1 stop

BGR

2 Jun

BGR

10h 10m

1 stop

LHR

£805

United Airlines

28 May

LHR

16h 01m

2 stops

BGR

4 Jun

BGR

13h 44m

2 stops

LHR

£812

American Airlines

9 Jun

LHR

15h 00m

1 stop

BGR

14 Jun

BGR

13h 30m

1 stop

LHR

£816

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.

10:05 - 12:45

LHR

BOS

7h 40mdirect

06:33 - 21:40

BOS

LHR

10h 07m

1 stop

£397American Airlines

Mon, 17 Aug - Tue, 1 Sep

11:45 - 19:03

LHR

BOS

12h 18m

1 stop

19:00 - 06:45

BOS

LHR

6h 45mdirect

£397Delta

Sat, 9 May - Fri, 22 May

14:30 - 16:55

LHR

BOS

7h 25mdirect

21:50 - 09:35

BOS

LHR

6h 45mdirect

£398British Airways

Fri, 15 May - Mon, 25 May

14:25 - 16:50

LHR

BOS

7h 25mdirect

19:35 - 07:10

BOS

LHR

6h 35mdirect

£399British Airways

Tue, 26 May - Sat, 6 Jun

14:10 - 22:58

LHR

BOS

13h 48m

1 stop

13:10 - 06:25

BOS

LHR

12h 15m

1 stop

£400American Airlines

Tue, 18 Aug - Tue, 1 Sep

12:30 - 19:11

EDI

BOS

11h 41m

1 stop

19:27 - 10:35

BOS

EDI

10h 08m

1 stop

£482United Airlines

Tue, 12 May - Wed, 27 May

11:30 - 13:47

EDI

BOS

7h 17mdirect

22:50 - 10:00

BOS

EDI

6h 10mdirect

£484JetBlue

Fri, 8 May - Tue, 12 May

11:30 - 13:47

EDI

BOS

7h 17mdirect

22:50 - 10:00

BOS

EDI

6h 10mdirect

£485JetBlue

Wed, 6 May - Mon, 18 May

10:00 - 16:25

LCY

BOS

11h 25m

1 stop

16:40 - 07:15

BOS

LCY

9h 35m

1 stop

£504KLM

Tue, 19 May - Tue, 7 Jul

10:00 - 16:25

LCY

BOS

11h 25m

1 stop

16:40 - 07:15

BOS

LCY

9h 35m

1 stop

£505KLM

Tue, 19 May - Tue, 7 Jul

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 17/8

10:05-12:45

Nonstop7h 40m

Boston Logan Intl

Tue 1/9

06:33-21:40

1 stop10h 07m

£397

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 9/5

11:45-19:03

1 stop12h 18m

Boston Logan Intl

Fri 22/5

19:00-06:45

Nonstop6h 45m

£397

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 15/5

14:30-16:55

Nonstop7h 25m

Boston Logan Intl

Mon 25/5

21:50-09:35

Nonstop6h 45m

£398

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 26/5

14:25-16:50

Nonstop7h 25m

Boston Logan Intl

Sat 6/6

19:35-07:10

Nonstop6h 35m

£399

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 18/8

14:10-22:58

1 stop13h 48m

Boston Logan Intl

Tue 1/9

13:10-06:25

1 stop12h 15m

£400

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

£482

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

£484

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

£485

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 19/5

10:00-16:25

1 stop11h 25m

Boston Logan Intl

Tue 7/7

16:40-07:15

1 stop9h 35m

£504

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 19/5

10:00-16:25

1 stop11h 25m

Boston Logan Intl

Tue 7/7

16:40-07:15

1 stop9h 35m

£505

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	£240
Best Round-Trip Price	£397
Fastest flight time	7h 34m
Popular in	July

The best one-way flight price to Maine from United Kingdom in the last 72 hours is £240 (Edinburgh Turnhouse 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 £397 (London Heathrow to Boston Logan Intl).

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The fastest flight to Maine from United Kingdom takes 7h 34m (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 £81/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.