How long does it take to fly to London?

If you’re flying from a popular airport in Maine, such as Bangor or Portland, and flying into London, then you can expect flight times to average 10h and 10h 15m, respectively.

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

JetBlue, Air Canada, and KLM are the most popular carriers operating 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 is 1 operator available for flights from Maine to London as of September 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.

$320 Cheap Flights from Maine to London in 2026/27

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Find the cheapest flights from Maine to London

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One-way

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Cheap round-trip flights

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3:41 pm - 11:15 amPWM Portland-LHR London Heathrow

14h 34m2 stops Newark Zurich

9:00 am - 11:21 pmLHR London Heathrow-PWM Portland

43h 21m2 stops Halifax Intl Newark

$735United Airlines

Mon, Nov 16 - Wed, Nov 18

2:05 pm - 7:50 amPWM Portland-LHR London Heathrow

12h 45m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:19 amLHR London Heathrow-PWM Portland

22h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$736Delta

Tue, Nov 10 - Tue, Nov 17

2:05 pm - 9:00 amPWM Portland-LHR London Heathrow

13h 55m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:31 pmLHR London Heathrow-PWM Portland

22h 01m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$736Delta

Tue, Nov 10 - Tue, Nov 24

3:41 pm - 9:10 amPWM Portland-LHR London Heathrow

12h 29m1 stop Newark

6:50 am - 11:21 pmLHR London Heathrow-PWM Portland

21h 31m2 stops Brussels Bruxelles-National Newark

$736United Airlines

Mon, Nov 16 - Wed, Nov 18

8:49 am - 9:10 amPWM Portland-LHR London Heathrow

19h 21m1 stop Newark

6:50 am - 11:21 pmLHR London Heathrow-PWM Portland

21h 31m2 stops Brussels Bruxelles-National Newark

$736United Airlines

Mon, Nov 16 - Wed, Nov 18

2:05 pm - 9:00 amPWM Portland-LHR London Heathrow

13h 55m1 stop Atlanta Hartsfield-Jackson

8:55 am - 12:19 amLHR London Heathrow-PWM Portland

20h 24m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$737Delta

Tue, Nov 10 - Tue, Nov 24

6:03 am - 8:10 pmPWM Portland-LHR London Heathrow

10h 07m1 stop New York John F Kennedy Intl

8:55 am - 12:10 amLHR London Heathrow-PWM Portland

20h 15m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$737Delta

Tue, Oct 27 - Tue, Nov 3

2:05 pm - 7:50 amPWM Portland-LHR London Heathrow

12h 45m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:19 amLHR London Heathrow-PWM Portland

22h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$737Delta

Tue, Nov 10 - Tue, Nov 17

5:55 pm - 12:30 pmBGR Bangor-LHR London Heathrow

13h 35m2 stops Philadelphia Dublin

10:35 am - 5:30 pmLHR London Heathrow-BGR Bangor

11h 55m1 stop Philadelphia

$893American Airlines

Mon, Nov 2 - Fri, Nov 6

5:50 pm - 10:50 amBGR Bangor-LHR London Heathrow

12h 00m1 stop Chicago O'Hare Intl

12:35 pm - 11:07 pmLHR London Heathrow-BGR Bangor

14h 32m1 stop Chicago O'Hare Intl

$894American Airlines

Tue, Oct 20 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

4:15 pm - 7:15 amBGR Bangor-LHR London Heathrow

10h 00m1 stop New York John F Kennedy Intl

8:05 pm - 3:30 pmLHR London Heathrow-BGR Bangor

24h 25m1 stop New York John F Kennedy Intl

$744Delta

Wed, Sep 30 - Tue, Oct 13

4:15 pm - 7:15 amBGR Bangor-LHR London Heathrow

10h 00m1 stop New York John F Kennedy Intl

11:20 am - 3:30 pmLHR London Heathrow-BGR Bangor

33h 10m1 stop New York John F Kennedy Intl

$744Delta

Wed, Sep 30 - Fri, Oct 9

4:15 pm - 7:15 amBGR Bangor-LHR London Heathrow

10h 00m1 stop New York John F Kennedy Intl

8:05 pm - 3:30 pmLHR London Heathrow-BGR Bangor

24h 25m1 stop New York John F Kennedy Intl

$744Delta

Wed, Sep 30 - Thu, Oct 8

12:03 pm - 7:15 amBGR Bangor-LHR London Heathrow

14h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

6:35 pm - 3:30 pmLHR London Heathrow-BGR Bangor

25h 55m1 stop New York John F Kennedy Intl

$748Delta

Wed, Sep 30 - Thu, Oct 8

12:03 pm - 7:15 amBGR Bangor-LHR London Heathrow

14h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

9:20 am - 11:25 pmLHR London Heathrow-BGR Bangor

19h 05m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

$748Delta

Wed, Sep 30 - Wed, Oct 7

12:03 pm - 7:15 amBGR Bangor-LHR London Heathrow

14h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

11:45 am - 3:30 pmLHR London Heathrow-BGR Bangor

32h 45m1 stop New York John F Kennedy Intl

$748Delta

Wed, Sep 30 - Tue, Oct 13

12:03 pm - 7:15 amBGR Bangor-LHR London Heathrow

14h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

4:05 pm - 3:30 pmLHR London Heathrow-BGR Bangor

28h 25m2 stops Boston Logan Intl New York John F Kennedy Intl

$748Delta

Wed, Sep 30 - Thu, Oct 8

12:03 pm - 7:15 amBGR Bangor-LHR London Heathrow

14h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

11:20 am - 3:30 pmLHR London Heathrow-BGR Bangor

33h 10m1 stop New York John F Kennedy Intl

$748Delta

Wed, Sep 30 - Fri, Oct 9

4:13 pm - 7:50 amBGR Bangor-LHR London Heathrow

10h 37m1 stop Philadelphia

2:25 pm - 12:36 amLHR London Heathrow-BGR Bangor

15h 11m1 stop Chicago O'Hare Intl

$902American Airlines

Mon, Sep 28 - Wed, Sep 30

7:06 pm - 10:20 amBGR Bangor-LHR London Heathrow

10h 14m1 stop Philadelphia

1:10 pm - 11:05 pmLHR London Heathrow-BGR Bangor

14h 55m1 stop Philadelphia

$907American Airlines

Mon, Sep 28 - Thu, Jan 28

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British Airways flights from Maine to London

Our best British Airways deals on Maine to London flight tickets

British Airways

Nov 2

BGR5:55 pmBangor

31h 40m

1 stop

LHR6:35 amLondon Heathrow

Nov 6

LHR1:10 pmLondon Heathrow

25h 59m

1 stop

BGR10:09 amBangor

$962

British Airways

Nov 2

BGR5:55 pmBangor

31h 40m

1 stop

LHR6:35 amLondon Heathrow

Nov 6

LHR1:10 pmLondon Heathrow

25h 59m

1 stop

BGR10:09 amBangor

$971

American Airlines flights from Maine to London

Our best American Airlines deals on Maine to London flight tickets

American Airlines

Nov 2

BGR5:55 pmBangor

13h 35m

2 stops

LHR12:30 pmLondon Heathrow

Nov 6

LHR10:35 amLondon Heathrow

11h 55m

1 stop

BGR5:30 pmBangor

$893

American Airlines

Oct 20

BGR5:50 pmBangor

12h 00m

1 stop

LHR10:50 amLondon Heathrow

Oct 27

LHR12:35 pmLondon Heathrow

14h 32m

1 stop

BGR11:07 pmBangor

$894

American Airlines

Oct 6

PWM5:45 pmPortland

12h 05m

1 stop

LHR10:50 amLondon Heathrow

Oct 11

LHR2:45 pmLondon Heathrow

13h 55m

1 stop

PWM11:40 pmPortland

$901

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 11/16

3:41 pm-11:15 am

2 stops14h 34m

London Heathrow

Wed 11/18

9:00 am-11:21 pm

2 stops43h 21m

$735

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 11/10

2:05 pm-7:50 am

1 stop12h 45m

London Heathrow

Tue 11/17

6:30 am-12:19 am

2 stops22h 49m

$736

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 11/10

2:05 pm-9:00 am

1 stop13h 55m

London Heathrow

Tue 11/24

6:30 am-11:31 pm

2 stops22h 01m

$736

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 11/16

3:41 pm-9:10 am

1 stop12h 29m

London Heathrow

Wed 11/18

6:50 am-11:21 pm

2 stops21h 31m

$736

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Mon 11/16

8:49 am-9:10 am

1 stop19h 21m

London Heathrow

Wed 11/18

6:50 am-11:21 pm

2 stops21h 31m

$736

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 11/10

2:05 pm-9:00 am

1 stop13h 55m

London Heathrow

Tue 11/24

8:55 am-12:19 am

2 stops20h 24m

$737

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 10/27

6:03 am-8:10 pm

1 stop10h 07m

London Heathrow

Tue 11/3

8:55 am-12:10 am

2 stops20h 15m

$737

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Tue 11/10

2:05 pm-7:50 am

1 stop12h 45m

London Heathrow

Tue 11/17

6:30 am-12:19 am

2 stops22h 49m

$737

Quickest round-trip

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Mon 11/2

5:55 pm-12:30 pm

2 stops13h 35m

London Heathrow

Fri 11/6

10:35 am-5:30 pm

1 stop11h 55m

$893

BangorLondon

BGR Bangor - LHR London Heathrow

BGRLHR

Bangor

Tue 10/20

5:50 pm-10:50 am

1 stop12h 00m

London Heathrow

Tue 10/27

12:35 pm-11:07 pm

1 stop14h 32m

$894

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Maine averaging around $699.

Can stopping save me money on Maine to London flights?

You could potentially save up to 14% on your flight if you consider stops on a Maine to London flight.

Cheap Maine to London flight deals and tips

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

Best Price Found	$320
Fastest flight time	6h 30m
Direct flights	None

The best one-way flight to London from Maine in the past 72 hours is $320. The best round-trip flight deal from Maine to London found on momondo in the last 72 hours is $735.

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

There are no direct flights from Maine to London. There are no popular flight routes from Maine to London.

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 is 1 operator available for flights from Maine to London as of September 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 7.0 12,089 reviews		Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Croydon

Luton

Hayes

Dover

Wembley

Kingston upon Thames

Richmond

Stansted

Watford

Harrow

Cobham

Worthing

Eastbourne

Slough

Hook

Uxbridge

Ilford

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.

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.

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Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Maine to London from $320

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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Maine to London

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British Airways flights from Maine to London

Our best British Airways 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?

Can stopping save me money on Maine to London flights?

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

How long does it take to fly to London?

Cheap Maine to London flight deals and tips

Best Price Found

Fastest flight time

Direct flights

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year