How long is the flight from Maine to United Kingdom?

The flight from Maine to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Portland (a popular airport in Maine) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 10h 55m on average. If you fly from Bangor (another popular airport in Maine) to London Heathrow Airport, then the average flight time is 16h 25m.

What is the cheapest airline that flies from Maine to United Kingdom?

JetBlue, United Airlines, and American Airlines are the most popular carriers operating from Maine to United Kingdom

What airlines fly to United Kingdom?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to United Kingdom from Maine according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 4 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Maine to United Kingdom refresh daily.

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

As of November 2026, there are 4 operators available to choose from for flights from Maine to United Kingdom.

How old do you have to be to fly from Maine to United Kingdom?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maine to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom 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.

$301 Cheap Flights from Maine to the United Kingdom in 2026/27

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Find the cheapest flights from Maine to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$771United Airlines

Mon, Nov 16 - Wed, Nov 18

5:08 pm - 7:55 amPWM Portland-LHR London Heathrow

33h 47m1 stop Chicago O'Hare Intl

6:50 am - 7:02 pmLHR London Heathrow-PWM Portland

17h 12m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$777United Airlines

Sun, Nov 15 - Wed, Nov 18

6:30 am - 9:30 amPWM Portland-LHR London Heathrow

22h 00m1 stop New York John F Kennedy Intl

12:20 pm - 11:43 pmLHR London Heathrow-PWM Portland

16h 23m1 stop New York John F Kennedy Intl

$781JetBlue

Sun, Nov 15 - Wed, Nov 18

6:30 am - 9:30 amPWM Portland-LHR London Heathrow

22h 00m1 stop New York John F Kennedy Intl

7:25 am - 11:43 pmLHR London Heathrow-PWM Portland

21h 18m1 stop New York John F Kennedy Intl

$781JetBlue

Sun, Nov 15 - Wed, Nov 18

6:00 am - 7:50 amPWM Portland-LHR London Heathrow

20h 50m1 stop Atlanta Hartsfield-Jackson

11:45 am - 12:21 amLHR London Heathrow-PWM Portland

17h 36m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$866KLM

Thu, Nov 26 - Thu, Dec 3

7:23 pm - 2:35 pmPWM Portland-EDI Edinburgh Turnhouse

14h 12m2 stops Philadelphia London Heathrow

11:25 am - 6:58 pmEDI Edinburgh Turnhouse-PWM Portland

12h 33m1 stop Philadelphia

$876American Airlines

Tue, Apr 6 - Tue, Apr 13

7:23 pm - 3:40 pmPWM Portland-EDI Edinburgh Turnhouse

15h 17m2 stops Philadelphia London Heathrow

11:25 am - 11:52 pmEDI Edinburgh Turnhouse-PWM Portland

17h 27m2 stops New York John F Kennedy Intl Washington, D.C. Reagan-National

$881American Airlines

Tue, Apr 6 - Tue, Apr 13

3:10 pm - 4:30 pmPWM Portland-GLA Glasgow Intl

20h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:40 am - 11:35 pmGLA Glasgow Intl-PWM Portland

22h 55m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$885Delta

Wed, Feb 3 - Wed, Feb 24

3:10 pm - 4:30 pmPWM Portland-GLA Glasgow Intl

20h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:40 am - 11:55 pmGLA Glasgow Intl-PWM Portland

23h 15m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$885Delta

Wed, Feb 10 - Wed, Feb 24

12:49 pm - 4:35 pmPWM Portland-MAN Manchester

22h 46m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

2:55 pm - 9:49 pmMAN Manchester-PWM Portland

35h 54m1 stop Atlanta Hartsfield-Jackson

$1,616KLM

Thu, Dec 17 - Thu, Dec 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 9:40 pmPWM Portland-LHR London Heathrow

10h 10m1 stop New York John F Kennedy Intl

12:20 pm - 11:43 pmLHR London Heathrow-PWM Portland

16h 23m1 stop New York John F Kennedy Intl

$775JetBlue

Sat, Nov 7 - Sat, Nov 14

2:05 pm - 6:40 amPWM Portland-LHR London Heathrow

11h 35m1 stop Washington, D.C. Dulles Intl

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

19h 21m2 stops Zurich Newark

$874United Airlines

Wed, Nov 4 - Sun, Nov 15

2:05 pm - 6:40 amPWM Portland-LHR London Heathrow

11h 35m1 stop Washington, D.C. Dulles Intl

12:05 pm - 11:21 pmLHR London Heathrow-PWM Portland

16h 16m2 stops Zurich Newark

$874United Airlines

Sat, Nov 7 - Sat, Nov 14

12:42 pm - 7:45 amPWM Portland-LHR London Heathrow

14h 03m1 stop Detroit Metropolitan Wayne County

4:35 pm - 12:19 amLHR London Heathrow-PWM Portland

12h 44m1 stop New York John F Kennedy Intl

$905Delta

Wed, Nov 4 - Sun, Nov 15

11:07 am - 6:35 amPWM Portland-LHR London Heathrow

14h 28m1 stop Philadelphia

3:40 pm - 11:53 amLHR London Heathrow-PWM Portland

25h 13m1 stop Chicago O'Hare Intl

$919Multiple Airlines

Thu, Nov 5 - Sun, Nov 15

6:01 am - 7:50 amPWM Portland-LHR London Heathrow

20h 49m1 stop Atlanta Hartsfield-Jackson

6:20 am - 9:00 pmLHR London Heathrow-PWM Portland

19h 40m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$1,016Virgin Atlantic

Wed, Nov 4 - Fri, Nov 6

12:42 pm - 10:30 amPWM Portland-LHR London Heathrow

16h 48m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

11:45 am - 12:10 amLHR London Heathrow-PWM Portland

17h 25m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,033Delta

Wed, Nov 4 - Fri, Nov 6

10:43 am - 12:10 pmBGR Bangor-EDI Edinburgh Turnhouse

20h 27m2 stops Philadelphia London Heathrow

11:05 am - 6:03 pmEDI Edinburgh Turnhouse-BGR Bangor

11h 58m1 stop Philadelphia

$1,046American Airlines

Mon, Nov 9 - Tue, Nov 17

10:43 am - 12:10 pmBGR Bangor-EDI Edinburgh Turnhouse

20h 27m2 stops Philadelphia London Heathrow

11:05 am - 12:08 amEDI Edinburgh Turnhouse-BGR Bangor

18h 03m2 stops Philadelphia Washington, D.C. Reagan-National

$1,051American Airlines

Mon, Nov 9 - Tue, Nov 17

12:42 pm - 7:45 amPWM Portland-LHR London Heathrow

14h 03m1 stop Detroit Metropolitan Wayne County

4:35 pm - 12:10 amLHR London Heathrow-PWM Portland

12h 35m1 stop New York John F Kennedy Intl

$1,058KLM

Wed, Nov 4 - Fri, Nov 6

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United Airlines flights from Maine to United Kingdom

Our best United Airlines deals on Maine to United Kingdom flight tickets

United Airlines

Nov 16

PWM8:49 amPortland

19h 21m

1 stop

LHR9:10 amLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

21h 31m

2 stops

PWM11:21 pmPortland

$771

United Airlines

Nov 15

PWM5:08 pmPortland

33h 47m

1 stop

LHR7:55 amLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

21h 31m

2 stops

PWM11:21 pmPortland

$777

United Airlines

Nov 16

BGR11:00 amBangor

20h 00m

2 stops

LHR12:00 pmLondon Heathrow

Nov 18

LHR6:50 amLondon Heathrow

32h 29m

2 stops

BGR10:19 amBangor

$781

JetBlue flights from Maine to United Kingdom

Our best JetBlue deals on Maine to United Kingdom flight tickets

JetBlue

Nov 12

PWM6:30 amPortland

10h 10m

1 stop

LHR9:40 pmLondon Heathrow

Nov 18

LHR12:20 pmLondon Heathrow

16h 23m

1 stop

PWM11:43 pmPortland

$775

JetBlue

Nov 15

PWM6:30 amPortland

22h 00m

1 stop

LHR9:30 amLondon Heathrow

Nov 18

LHR7:25 amLondon Heathrow

21h 18m

1 stop

PWM11:43 pmPortland

$781

JetBlue

Nov 12

PWM6:30 amPortland

10h 10m

1 stop

LHR9:40 pmLondon Heathrow

Nov 17

LHR12:20 pmLondon Heathrow

16h 23m

1 stop

PWM11:43 pmPortland

$833

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$771

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 11/15

5:08 pm-7:55 am

1 stop33h 47m

London Heathrow

Wed 11/18

6:50 am-7:02 pm

2 stops17h 12m

$777

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 11/15

6:30 am-9:30 am

1 stop22h 00m

London Heathrow

Wed 11/18

12:20 pm-11:43 pm

1 stop16h 23m

$781

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Sun 11/15

6:30 am-9:30 am

1 stop22h 00m

London Heathrow

Wed 11/18

7:25 am-11:43 pm

1 stop21h 18m

$781

PortlandLondon

PWM Portland - LHR London Heathrow

PWMLHR

Portland

Thu 11/26

6:00 am-7:50 am

1 stop20h 50m

London Heathrow

Thu 12/3

11:45 am-12:21 am

2 stops17h 36m

$866

Quickest round-trip

PortlandEdinburgh

PWM Portland - EDI Edinburgh Turnhouse

PWMEDI

Portland

Tue 4/6

7:23 pm-2:35 pm

2 stops14h 12m

Edinburgh Turnhouse

Tue 4/13

11:25 am-6:58 pm

1 stop12h 33m

$876

PortlandEdinburgh

PWM Portland - EDI Edinburgh Turnhouse

PWMEDI

Portland

Tue 4/6

7:23 pm-3:40 pm

2 stops15h 17m

Edinburgh Turnhouse

Tue 4/13

11:25 am-11:52 pm

2 stops17h 27m

$881

PortlandGlasgow

PWM Portland - GLA Glasgow Intl

PWMGLA

Portland

Wed 2/3

3:10 pm-4:30 pm

2 stops20h 20m

Glasgow Intl

Wed 2/24

5:40 am-11:35 pm

2 stops22h 55m

$885

PortlandGlasgow

PWM Portland - GLA Glasgow Intl

PWMGLA

Portland

Wed 2/10

3:10 pm-4:30 pm

2 stops20h 20m

Glasgow Intl

Wed 2/24

5:40 am-11:55 pm

2 stops23h 15m

$885

PortlandManchester

PWM Portland - MAN Manchester

PWMMAN

Portland

Thu 12/17

12:49 pm-4:35 pm

2 stops22h 46m

Manchester

Thu 12/24

2:55 pm-9:49 pm

1 stop35h 54m

$1,616

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 United Kingdom

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 United Kingdom?

In general, January is the cheapest month to fly from Maine to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to United Kingdom during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $752.

Can stopping save me money on Maine to United Kingdom flights?

You could potentially save up to 4% on your flight if you consider stops on a Maine to United Kingdom flight.

Cheap Maine to United Kingdom flight deals and tips

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

Best Price Found	$301
Fastest flight time	6h 10m
Direct flights	None

The best one-way flight to United Kingdom from Maine in the past 72 hours is $301. The best round-trip flight deal from Maine to United Kingdom found on momondo in the last 72 hours is $771.

The fastest flight from Maine to United Kingdom takes 6h 10m

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

Search flight deals

Frequently asked questions about flying from Maine to the United Kingdom

When did momondo last update prices for flights from Maine to United Kingdom?
Prices for flights from Maine to United Kingdom refresh daily.
How many operators does momondo search for flights from Maine to United Kingdom?
As of November 2026, there are 4 operators available to choose from for flights from Maine to United Kingdom.
How old do you have to be to fly from Maine to United Kingdom?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maine to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom 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 United Kingdom

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $666	Free Cancellation	Rating 7.0 12,234 reviews	Search American Airlines flights
United Airlines	PriceFrom $752	Free Cancellation	Rating 7.3 10,462 reviews	Search United Airlines flights
KLM	PriceFrom $1,112	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights

Why use momondo?

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

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 United Kingdom for you.

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

All flight searches from Maine to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Maine to United Kingdom?

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 United Kingdom from Maine.

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

Yes momondo offers price alerts on flights to United Kingdom 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.