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Cheap flights from Portland, Maine to London from $617

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 3/30. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:47 am - 10:00 am
PWM
-
LGW
19h 13m1 stop
Multiple Airlines Logo
2:00 pm - 10:17 am
LGW
-
PWM
25h 17m1 stop
$617Multiple Airlines
Mon, Mar 30 - Tue, Apr 14
Multiple Airlines Logo
9:47 am - 10:00 am
PWM
-
LGW
19h 13m1 stop
Multiple Airlines Logo
2:00 pm - 9:07 am
LGW
-
PWM
24h 07m1 stop
$639Multiple Airlines
Mon, Mar 30 - Thu, Apr 16
Multiple Airlines Logo
10:57 am - 10:00 am
PWM
-
LGW
19h 03m1 stop
Multiple Airlines Logo
2:00 pm - 10:17 am
LGW
-
PWM
25h 17m1 stop
$648Multiple Airlines
Sat, Mar 28 - Tue, Apr 14
Multiple Airlines Logo
9:47 am - 10:00 am
PWM
-
LGW
19h 13m1 stop
Multiple Airlines Logo
2:00 pm - 10:17 am
LGW
-
PWM
25h 17m1 stop
$659Multiple Airlines
Mon, Mar 30 - Fri, Apr 17
Multiple Airlines Logo
11:29 am - 10:00 am
PWM
-
LGW
41h 31m2 stops
Multiple Airlines Logo
2:00 pm - 10:17 am
LGW
-
PWM
25h 17m1 stop
$668Multiple Airlines
Mon, Mar 30 - Tue, Apr 14
Multiple Airlines Logo
9:47 am - 10:00 am
PWM
-
LGW
19h 13m1 stop
Multiple Airlines Logo
2:00 pm - 9:07 am
LGW
-
PWM
24h 07m1 stop
$669Multiple Airlines
Mon, Mar 30 - Sun, Apr 12
Multiple Airlines Logo
10:57 am - 10:00 am
PWM
-
LGW
19h 03m1 stop
Multiple Airlines Logo
2:00 pm - 9:07 am
LGW
-
PWM
24h 07m1 stop
$671Multiple Airlines
Sat, Mar 28 - Thu, Apr 16
Multiple Airlines Logo
10:57 am - 10:00 am
PWM
-
LGW
19h 03m1 stop
Multiple Airlines Logo
2:00 pm - 10:17 am
LGW
-
PWM
25h 17m1 stop
$690Multiple Airlines
Sat, Mar 28 - Fri, Apr 17
Multiple Airlines Logo
11:29 am - 10:00 am
PWM
-
LGW
41h 31m2 stops
Multiple Airlines Logo
2:00 pm - 9:07 am
LGW
-
PWM
24h 07m1 stop
$691Multiple Airlines
Mon, Mar 30 - Thu, Apr 16
Multiple Airlines Logo
10:57 am - 10:00 am
PWM
-
LGW
19h 03m1 stop
Multiple Airlines Logo
2:00 pm - 9:07 am
LGW
-
PWM
24h 07m1 stop
$701Multiple Airlines
Sat, Mar 28 - Sun, Apr 12

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
Mar 30
PWM2:20 pmPortland
21h 00m
2 stops
LGW4:20 pmLondon Gatwick
Apr 13
LGW7:00 amLondon Gatwick
21h 47m
2 stops
PWM11:47 pmPortland
$822
Find similar
Turkish Airlines
Mar 30
PWM2:20 pmPortland
27h 05m
2 stops
LGW10:25 pmLondon Gatwick
Apr 12
LGW5:15 pmLondon Gatwick
35h 32m
2 stops
PWM11:47 pmPortland
$857
Find similar
Turkish Airlines
Mar 30
PWM2:20 pmPortland
21h 00m
2 stops
LGW4:20 pmLondon Gatwick
Apr 14
LGW7:00 amLondon Gatwick
21h 36m
2 stops
PWM11:36 pmPortland
$1,021
Find similar

TAP AIR PORTUGAL flights from Portland, Maine to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Portland, Maine to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Mar 29
PWM2:20 pmPortland
38h 25m
2 stops
LGW9:45 amLondon Gatwick
Apr 13
LGW10:35 amLondon Gatwick
18h 12m
2 stops
PWM11:47 pmPortland
$1,534
Find similar
TAP AIR PORTUGAL
Mar 30
PWM2:20 pmPortland
20h 15m
2 stops
LGW3:35 pmLondon Gatwick
Apr 11
LGW4:30 pmLondon Gatwick
36h 17m
2 stops
PWM11:47 pmPortland
$1,619
Find similar
TAP AIR PORTUGAL
Mar 29
PWM2:20 pmPortland
38h 25m
2 stops
LGW9:45 amLondon Gatwick
Apr 11
LGW4:30 pmLondon Gatwick
36h 17m
2 stops
PWM11:47 pmPortland
$1,676
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 December 18, 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

Mon 3/30

9:47 am-10:00 am

1 stop19h 13m

London Gatwick

Tue 4/14

2:00 pm-10:17 am

1 stop25h 17m

$617

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 3/30

9:47 am-10:00 am

1 stop19h 13m

London Gatwick

Thu 4/16

2:00 pm-9:07 am

1 stop24h 07m

$639

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 3/28

10:57 am-10:00 am

1 stop19h 03m

London Gatwick

Tue 4/14

2:00 pm-10:17 am

1 stop25h 17m

$648

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 3/30

9:47 am-10:00 am

1 stop19h 13m

London Gatwick

Fri 4/17

2:00 pm-10:17 am

1 stop25h 17m

$659

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 3/30

11:29 am-10:00 am

2 stops41h 31m

London Gatwick

Tue 4/14

2:00 pm-10:17 am

1 stop25h 17m

$668

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 3/30

9:47 am-10:00 am

1 stop19h 13m

London Gatwick

Sun 4/12

2:00 pm-9:07 am

1 stop24h 07m

$669

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 3/28

10:57 am-10:00 am

1 stop19h 03m

London Gatwick

Thu 4/16

2:00 pm-9:07 am

1 stop24h 07m

$671

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 3/28

10:57 am-10:00 am

1 stop19h 03m

London Gatwick

Fri 4/17

2:00 pm-10:17 am

1 stop25h 17m

$690

PortlandLondon

PWM - LGW

PWMLGW

Portland

Mon 3/30

11:29 am-10:00 am

2 stops41h 31m

London Gatwick

Thu 4/16

2:00 pm-9:07 am

1 stop24h 07m

$691

PortlandLondon

PWM - LGW

PWMLGW

Portland

Sat 3/28

10:57 am-10:00 am

1 stop19h 03m

London Gatwick

Sun 4/12

2:00 pm-9:07 am

1 stop24h 07m

$701

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $501. 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 $611.

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 $552 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $990 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

Fastest flight time

29h 20m

Direct flights

None
The fastest flight from Portland, Maine to London Gatwick Airport takes 29h 20m
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.
Search flight deals

  • 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 29h 20m.

  • 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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

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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