How long does it take to fly to London?

If you’re flying from a popular airport in Maine, such as Portland or Bangor, and flying into London, then you can expect flight times to average 9h 04m and 9h 25m, respectively.

What is the cheapest airline that flies from Maine to London?

Virgin Atlantic, KLM, and JetBlue are the most popular carriers operating from Maine to London

How many flights depart from Maine to London on average per week?

The number of flights available between Maine and London is 231 per week as of June 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from Maine to London?

Prices for flights from Maine to London are updated daily.

How many operators does momondo search for flights from Maine to London?

There are 16 operators available for flights from Maine to London as of June 2026.

How old do you have to be to fly from Maine to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$158 Cheap Flights from Maine to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 6:25 am

PWM

LHR

19h 20m

1 stop

6:30 am - 9:31 pm

LHR

PWM

20h 01m

2 stops

$497Virgin Atlantic

Sat, Aug 29 - Sun, Sep 6

6:05 am - 6:25 am

PWM

LHR

19h 20m

1 stop

9:20 am - 9:31 pm

LHR

PWM

17h 11m

1 stop

$511Virgin Atlantic

Sat, Aug 29 - Sun, Sep 6

6:05 am - 6:25 am

PWM

LHR

19h 20m

1 stop

8:40 am - 11:30 pm

LHR

PWM

19h 50m

2 stops

$544Virgin Atlantic

Thu, Aug 27 - Thu, Sep 10

6:39 pm - 6:30 am

BOS

LHR

6h 51mnonstop

9:15 am - 4:10 pm

LHR

BOS

11h 55m

1 stop

$712Multiple Airlines

Sun, Jul 26 - Sat, Oct 3

10:04 am - 10:00 am

BOS

LGW

18h 56m

1 stop

2:00 pm - 9:09 am

LGW

BOS

24h 09m

1 stop

$712Multiple Airlines

Thu, Aug 6 - Sun, Aug 23

5:40 pm - 2:35 pm

BOS

LHR

15h 55m

2 stops

7:50 pm - 3:35 pm

LHR

BOS

24h 45m

2 stops

$714Scandinavian Airlines

Wed, Oct 7 - Mon, Oct 12

11:00 pm - 11:45 am

BOS

LGW

31h 45m

1 stop

3:40 pm - 6:50 pm

LGW

BOS

32h 10m

1 stop

$714Icelandair

Sun, Aug 16 - Tue, Aug 25

11:00 pm - 2:40 pm

BOS

LGW

10h 40m

1 stop

1:00 pm - 6:50 pm

LGW

BOS

10h 50m

1 stop

$718Icelandair

Tue, Aug 25 - Tue, Sep 8

9:40 pm - 7:55 am

BOS

LHR

29h 15m

1 stop

7:00 am - 3:10 pm

LHR

BOS

37h 10m

2 stops

$720SWISS

Sun, Aug 16 - Wed, Aug 19

5:10 pm - 8:25 am

BOS

LCY

10h 15m

1 stop

7:05 pm - 8:20 pm

LCY

BOS

30h 15m

1 stop

$761SWISS

Fri, Oct 23 - Sun, Nov 1

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Virgin Atlantic flights from Maine to London

Our best Virgin Atlantic deals on Maine to London flight tickets

Virgin Atlantic

Aug 29

PWM6:05 amPortland

19h 20m

1 stop

LHR6:25 amLondon Heathrow

Sep 6

LHR6:30 amLondon Heathrow

20h 01m

2 stops

PWM9:31 pmPortland

$497

Virgin Atlantic

Aug 29

PWM6:05 amPortland

19h 20m

1 stop

LHR6:25 amLondon Heathrow

Sep 6

LHR9:20 amLondon Heathrow

17h 11m

1 stop

PWM9:31 pmPortland

$511

Virgin Atlantic

Aug 27

PWM6:05 amPortland

19h 20m

1 stop

LHR6:25 amLondon Heathrow

Sep 10

LHR8:40 amLondon Heathrow

19h 50m

2 stops

PWM11:30 pmPortland

$544

American Airlines flights from Maine to London

Our best American Airlines deals on Maine to London flight tickets

American Airlines

Oct 14

PWM3:03 pmPortland

14h 17m

1 stop

LHR10:20 amLondon Heathrow

Oct 23

LHR3:00 pmLondon Heathrow

12h 45m

1 stop

PWM10:45 pmPortland

$892

American Airlines

Jul 9

BGR11:16 amBangor

14h 34m

1 stop

LHR6:50 amLondon Heathrow

Jul 25

LHR1:10 pmLondon Heathrow

14h 47m

1 stop

BGR10:57 pmBangor

$1,445

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 8/29

6:05 am-6:25 am

1 stop19h 20m

London Heathrow

Sun 9/6

6:30 am-9:31 pm

2 stops20h 01m

$497

PortlandLondon

PWM - LHR

PWMLHR

Portland

Sat 8/29

6:05 am-6:25 am

1 stop19h 20m

London Heathrow

Sun 9/6

9:20 am-9:31 pm

1 stop17h 11m

$511

PortlandLondon

PWM - LHR

PWMLHR

Portland

Thu 8/27

6:05 am-6:25 am

1 stop19h 20m

London Heathrow

Thu 9/10

8:40 am-11:30 pm

2 stops19h 50m

$544

Quickest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 7/26

6:39 pm-6:30 am

Nonstop6h 51m

London Heathrow

Sat 10/3

9:15 am-4:10 pm

1 stop11h 55m

$712

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 8/6

10:04 am-10:00 am

1 stop18h 56m

London Gatwick

Sun 8/23

2:00 pm-9:09 am

1 stop24h 09m

$712

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/7

5:40 pm-2:35 pm

2 stops15h 55m

London Heathrow

Mon 10/12

7:50 pm-3:35 pm

2 stops24h 45m

$714

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 8/16

11:00 pm-11:45 am

1 stop31h 45m

London Gatwick

Tue 8/25

3:40 pm-6:50 pm

1 stop32h 10m

$714

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 8/25

11:00 pm-2:40 pm

1 stop10h 40m

London Gatwick

Tue 9/8

1:00 pm-6:50 pm

1 stop10h 50m

$718

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/16

9:40 pm-7:55 am

1 stop29h 15m

London Heathrow

Wed 8/19

7:00 am-3:10 pm

2 stops37h 10m

$720

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Fri 10/23

5:10 pm-8:25 am

1 stop10h 15m

London City

Sun 11/1

7:05 pm-8:20 pm

1 stop30h 15m

$761

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Maine to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Maine is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Maine averaging around $0.

Cheap Maine to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to London

Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	6 airports

The fastest flight from Maine to London takes 6h 30m

Direct flights go from Maine to London every day.

There are 6 airports in London. From Maine there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Maine to London

When did momondo last update prices for flights from Maine to London?
Prices for flights from Maine to London are updated daily.
How many operators does momondo search for flights from Maine to London?
There are 16 operators available for flights from Maine to London as of June 2026.
How old do you have to be to fly from Maine to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to London

Compare and see reviews for airlines that fly from Maine to London with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $757	Free Cancellation	Rating 7.1 11,779 reviews		Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Watford

Cobham

Brentwood

Guildford

Ilford

Folkestone

Uxbridge

Romford

Why use momondo?

Why should I use momondo to find a flight deal from Maine to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to London for you.

Can I find flights from Maine to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Maine with this policy.

How can momondo help me find flights from Maine to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Maine.

I’m not ready to book a flight from Maine to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Maine. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fly into one of these airports located in London

London City Airport

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London Heathrow Airport

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London Southend Airport

London Stansted Airport

Cheap flights from Maine to London from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to London departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Virgin Atlantic flights from Maine to London

Our best Virgin Atlantic deals on Maine to London flight tickets

American Airlines flights from Maine to London

Our best American Airlines deals on Maine to London flight tickets

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How to get the cheapest flight ticket from Maine to London

What is the cheapest month to fly to London?

What is the cheapest airline that flies from Maine to London?

How many flights depart from Maine to London on average per week?

How long does it take to fly to London?

Cheap Maine to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to London

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Maine to London

Best airlines flying from Maine to London

Compare and see reviews for airlines that fly from Maine to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Maine

According to popular flight searches on momondo this year

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