Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to London from $334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to London departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
5:09 pm - 10:00 amPWM  Portland-LGW London Gatwick
35h 51m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
10:10 am - 9:08 amLGW  London Gatwick-PWM Portland
26h 58m1 stop Orlando
$762Multiple Airlines
Wed, Oct 21 - Tue, Oct 27
Multiple Airlines Logo
9:48 am - 10:00 amPWM  Portland-LGW London Gatwick
19h 12m1 stop Orlando
Multiple Airlines Logo
10:10 am - 9:08 amLGW  London Gatwick-PWM Portland
26h 58m1 stop Orlando
$824Multiple Airlines
Wed, Oct 21 - Tue, Oct 27
Multiple Airlines Logo
7:00 am - 10:00 amPWM  Portland-LGW London Gatwick
22h 00m2 stops Cincinnati Cinci./N. Kentucky Orlando
Multiple Airlines Logo
2:00 pm - 9:08 amLGW  London Gatwick-PWM Portland
24h 08m1 stop Orlando
$860Multiple Airlines
Mon, Oct 19 - Fri, Oct 23
Multiple Airlines Logo
9:48 am - 10:00 amPWM  Portland-LGW London Gatwick
19h 12m1 stop Orlando
Multiple Airlines Logo
2:00 pm - 9:08 amLGW  London Gatwick-PWM Portland
24h 08m1 stop Orlando
$862Multiple Airlines
Mon, Oct 19 - Fri, Oct 23
Multiple Airlines Logo
9:48 am - 10:00 amPWM  Portland-LGW London Gatwick
19h 12m1 stop Orlando
Multiple Airlines Logo
2:00 pm - 9:08 amLGW  London Gatwick-PWM Portland
24h 08m1 stop Orlando
$873Multiple Airlines
Wed, Oct 21 - Fri, Oct 23
Multiple Airlines Logo
5:01 pm - 10:00 amPWM  Portland-LGW London Gatwick
35h 59m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
2:00 pm - 10:27 amLGW  London Gatwick-PWM Portland
25h 27m1 stop Orlando
$906Multiple Airlines
Sat, Aug 22 - Tue, Sep 1
Delta Logo
11:50 am - 9:25 amPWM  Portland-LGW London Gatwick
16h 35m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
10:25 am - 12:59 amLGW  London Gatwick-PWM Portland
19h 34m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$936Delta
Wed, Aug 26 - Thu, Sep 3
Turkish Airlines Logo
6:00 am - 10:30 pmPWM  Portland-LGW London Gatwick
35h 30m2 stops New York John F Kennedy Intl Istanbul
Turkish Airlines Logo
5:25 pm - 11:43 pmLGW  London Gatwick-PWM Portland
34h 18m2 stops Istanbul New York John F Kennedy Intl
$975Turkish Airlines
Wed, Oct 21 - Tue, Oct 27
Multiple Airlines Logo
6:00 am - 3:40 pmPWM  Portland-LGW London Gatwick
28h 40m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado
Multiple Airlines Logo
10:35 am - 11:52 pmLGW  London Gatwick-PWM Portland
18h 17m2 stops Lisbon Humberto Delgado New York John F Kennedy Intl
$1,009Multiple Airlines
Fri, Oct 16 - Wed, Oct 21
Multiple Airlines Logo
9:48 am - 10:00 amPWM  Portland-LGW London Gatwick
19h 12m1 stop Orlando
Multiple Airlines Logo
2:00 pm - 2:25 pmLGW  London Gatwick-PWM Portland
29h 25m2 stops Orlando Pittsburgh
$1,014Multiple Airlines
Mon, Oct 19 - Sat, Oct 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 21
PWM6:00 amPortland
35h 30m
2 stops
LGW10:30 pmLondon Gatwick
Oct 27
LGW5:25 pmLondon Gatwick
34h 18m
2 stops
PWM11:43 pmPortland
$975
Turkish Airlines
Sep 25
PWM6:00 amPortland
46h 55m
2 stops
LGW9:55 amLondon Gatwick
Sep 28
LGW10:50 amLondon Gatwick
42h 04m
2 stops
PWM11:54 pmPortland
$1,035
Turkish Airlines
Sep 30
PWM6:00 amPortland
35h 30m
2 stops
LGW10:30 pmLondon Gatwick
Oct 14
LGW5:35 pmLondon Gatwick
35h 17m
2 stops
PWM11:52 pmPortland
$1,045

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 August 6, 2026.
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

Cheapest round-trip

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Wed 10/21

5:09 pm-10:00 am

2 stops35h 51m

London Gatwick

Tue 10/27

10:10 am-9:08 am

1 stop26h 58m

$762

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Wed 10/21

9:48 am-10:00 am

1 stop19h 12m

London Gatwick

Tue 10/27

10:10 am-9:08 am

1 stop26h 58m

$824

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Mon 10/19

7:00 am-10:00 am

2 stops22h 00m

London Gatwick

Fri 10/23

2:00 pm-9:08 am

1 stop24h 08m

$860

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Mon 10/19

9:48 am-10:00 am

1 stop19h 12m

London Gatwick

Fri 10/23

2:00 pm-9:08 am

1 stop24h 08m

$862

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Wed 10/21

9:48 am-10:00 am

1 stop19h 12m

London Gatwick

Fri 10/23

2:00 pm-9:08 am

1 stop24h 08m

$873

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Sat 8/22

5:01 pm-10:00 am

2 stops35h 59m

London Gatwick

Tue 9/1

2:00 pm-10:27 am

1 stop25h 27m

$906
Quickest round-trip

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Wed 8/26

11:50 am-9:25 am

2 stops16h 35m

London Gatwick

Thu 9/3

10:25 am-12:59 am

2 stops19h 34m

$936

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Wed 10/21

6:00 am-10:30 pm

2 stops35h 30m

London Gatwick

Tue 10/27

5:25 pm-11:43 pm

2 stops34h 18m

$975

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Fri 10/16

6:00 am-3:40 pm

2 stops28h 40m

London Gatwick

Wed 10/21

10:35 am-11:52 pm

2 stops18h 17m

$1,009

PortlandLondon

PWM Portland - LGW London Gatwick

PWMLGW

Portland

Mon 10/19

9:48 am-10:00 am

1 stop19h 12m

London Gatwick

Sat 10/24

2:00 pm-2:25 pm

2 stops29h 25m

$1,014

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 airline that flies from Portland to London Gatwick?

Delta is the most popular carrier operating from Portland to London Gatwick

What airlines fly to London Gatwick Airport?

JetBlue, Icelandair and SWISS are the top three most popular airlines that fly to London Gatwick Airport from Portland, Maine according to our data. JetBlue is the first choice among our users, with 63% of people opting to fly with this airline when traveling to London Gatwick Airport. Keep in mind that there are 3 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.

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

16h 33m

Direct flights

None
The fastest flight from Portland, Maine to London Gatwick Airport takes 16h 33m
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

Frequently asked questions about flying from Portland, Maine to London Gatwick Airport

  • 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 16h 33m.

  • 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
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Dover
Croydon
Stansted
Kingston upon Thames
Slough
Harrow
Watford
Cobham
Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 9/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $497
Flights to London Stansted Airportfrom $498
Flights to London City Airportfrom $649
Flights to London Luton Airportfrom $526
Flights to Glasgow Intl Airportfrom $544
Flights to Belfast Intl Airportfrom $639
Flights to London Southend Airportfrom $723
Flights to Belfast City Airportfrom $639