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Cheap flights from Portland, Maine to London from $693

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to London departing on 12/5. 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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0 bags

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Find the cheapest flights from Portland, Maine to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:46 am - 10:00 amPWM-LGW
19h 14m1 stop
Multiple Airlines Logo
1:00 pm - 10:41 amLGW-PWM
50h 41m2 stops
$693Multiple Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Multiple Airlines Logo
9:46 am - 10:00 amPWM-LGW
19h 14m1 stop
Multiple Airlines Logo
2:00 pm - 10:36 amLGW-PWM
25h 36m1 stop
$709Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
6:05 pm - 6:00 amPWM-LGW
30h 55m2 stops
Multiple Airlines Logo
2:00 pm - 10:36 amLGW-PWM
25h 36m1 stop
$711Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
11:21 am - 10:05 amPWM-LGW
41h 44m2 stops
Multiple Airlines Logo
2:00 pm - 9:06 amLGW-PWM
24h 06m1 stop
$723Multiple Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Multiple Airlines Logo
9:46 am - 10:00 amPWM-LGW
19h 14m1 stop
Multiple Airlines Logo
1:00 pm - 10:36 amLGW-PWM
26h 36m2 stops
$731Multiple Airlines
Find Deal
Fri, Dec 5 - Tue, Dec 9
Multiple Airlines Logo
9:46 am - 10:00 amPWM-LGW
19h 14m1 stop
Multiple Airlines Logo
2:00 pm - 9:06 amLGW-PWM
24h 06m1 stop
$733Multiple Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Multiple Airlines Logo
11:16 am - 10:05 amPWM-LGW
17h 49m1 stop
Multiple Airlines Logo
2:00 pm - 9:06 amLGW-PWM
24h 06m1 stop
$775Multiple Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11
Multiple Airlines Logo
11:16 am - 10:05 amPWM-LGW
17h 49m1 stop
Multiple Airlines Logo
1:00 pm - 10:36 amLGW-PWM
26h 36m2 stops
$776Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Turkish Airlines Logo
7:09 am - 4:15 pmPWM-LGW
28h 06m2 stops
Turkish Airlines Logo
5:15 pm - 11:04 pmLGW-PWM
34h 49m2 stops
$1,328Turkish Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
6:00 am - 7:30 amPWM-LGW
20h 30m2 stops
American Airlines Logo
11:20 am - 12:11 pmLGW-PWM
29h 51m2 stops
$1,949American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6

Turkish Airlines flights from Portland, Maine to London Gatwick Airport

Our best Turkish Airlines deals on Portland, Maine to London Gatwick Airport flight tickets
Turkish Airlines
Oct 3
PWM2:17 pmPortland
20h 58m
2 stops
LGW4:15 pmLondon Gatwick
Oct 7
LGW2:00 pmLondon Gatwick
38h 04m
2 stops
PWM11:04 pmPortland
$1,090
Find similar
Turkish Airlines
Oct 5
PWM7:09 amPortland
28h 06m
2 stops
LGW4:15 pmLondon Gatwick
Oct 7
LGW2:00 pmLondon Gatwick
38h 04m
2 stops
PWM11:04 pmPortland
$1,156
Find similar
Turkish Airlines
Oct 15
PWM7:09 amPortland
28h 06m
2 stops
LGW4:15 pmLondon Gatwick
Oct 22
LGW5:15 pmLondon Gatwick
34h 49m
2 stops
PWM11:04 pmPortland
$1,328
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Portland, Maine to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 12/5

9:46 am-10:00 am

1 stop19h 14m

London Gatwick

Wed 12/10

1:00 pm-10:41 am

2 stops50h 41m

$693

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 12/1

9:46 am-10:00 am

1 stop19h 14m

London Gatwick

Fri 12/5

2:00 pm-10:36 am

1 stop25h 36m

$709

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 12/1

6:05 pm-6:00 am

2 stops30h 55m

London Gatwick

Fri 12/5

2:00 pm-10:36 am

1 stop25h 36m

$711

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 12/5

11:21 am-10:05 am

2 stops41h 44m

London Gatwick

Thu 12/11

2:00 pm-9:06 am

1 stop24h 06m

$723

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 12/5

9:46 am-10:00 am

1 stop19h 14m

London Gatwick

Tue 12/9

1:00 pm-10:36 am

2 stops26h 36m

$731

PortlandLondon

PWM - LGW

PWMLGW

Portland

Fri 12/5

9:46 am-10:00 am

1 stop19h 14m

London Gatwick

Thu 12/11

2:00 pm-9:06 am

1 stop24h 06m

$733

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 12/6

11:16 am-10:05 am

1 stop17h 49m

London Gatwick

Thu 12/11

2:00 pm-9:06 am

1 stop24h 06m

$775

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 12/6

11:16 am-10:05 am

1 stop17h 49m

London Gatwick

Tue 12/9

1:00 pm-10:36 am

2 stops26h 36m

$776

PortlandLondon

PWM - LGW

PWMLGW

Portland

Wed 10/15

7:09 am-4:15 pm

2 stops28h 06m

London Gatwick

Wed 10/22

5:15 pm-11:04 pm

2 stops34h 49m

$1,328

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 12/1

6:00 am-7:30 am

2 stops20h 30m

London Gatwick

Sat 12/6

11:20 am-12:11 pm

2 stops29h 51m

$1,949

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Portland, Maine to London Gatwick Airport

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

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Portland, Maine to London Gatwick Airport is on a Thursday when prices can be found for as low as $504. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Monday is $614.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Portland, Maine in the evening is the least expensive time of day to depart. momondo users have found prices as low as $554 when looking at flights departing in the evening. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $805 per ticket.

When to book flights from Portland, Maine to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to London Gatwick Airport (PWM to LGW) flight deals and tips

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

Direct flights

None
There are no direct flights from Portland, Maine to London Gatwick Airport. There are no popular flight routes from Portland, Maine to London Gatwick Airport.
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  • How far is Portland to London Gatwick by plane?

    The straight-line distance from Portland to London Gatwick is 3188.8 mi. A reasonable flight in good conditions will take 14h 40m.

  • When did momondo last update prices for flights from Portland Airport to London Gatwick Airport?

    Prices for flights from Portland Airport to London Gatwick Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The necessary travel and health documents for your London Gatwick Airport 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Dartford
Hayes
Crawley
Chelmsford
Brentwood
Stansted
Folkestone
Ilford
Colchester
Romford
Watford
Richmond
Wembley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to London. momondo saves you time and could save you money on your trip.

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

Flights from Portland to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Portland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Portland and alert you when they change.

An easier way to manage your London Gatwick Airport trip

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