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Cheap flights from Philadelphia to London from £126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 24/3. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:46 - 10:00
PHL
-
LGW
33h 14m
1 stop
Multiple Airlines Logo
14:00 - 20:04
LGW
-
PHL
35h 04m
1 stop
£434Multiple Airlines
Sun, 1 Mar - Sun, 26 Apr
Multiple Airlines Logo
18:10 - 06:00
PHL
-
LGW
30h 50m
2 stops
Multiple Airlines Logo
14:00 - 16:58
LGW
-
PHL
30h 58m
1 stop
£435Multiple Airlines
Tue, 24 Feb - Mon, 9 Mar
Multiple Airlines Logo
20:25 - 11:05
PHL
-
LGW
9h 40m
1 stop
Multiple Airlines Logo
09:45 - 18:55
LGW
-
PHL
14h 10m
1 stop
£437Multiple Airlines
Tue, 14 Apr - Wed, 22 Apr
Multiple Airlines Logo
18:30 - 12:15
PHL
-
LGW
13h 45m
1 stop
Multiple Airlines Logo
09:45 - 18:55
LGW
-
PHL
14h 10m
1 stop
£438Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
19:46 - 10:00
PHL
-
LGW
33h 14m
1 stop
Multiple Airlines Logo
14:00 - 23:16
LGW
-
PHL
14h 16m
1 stop
£441Multiple Airlines
Wed, 18 Feb - Fri, 27 Feb
Multiple Airlines Logo
05:30 - 06:00
PHL
-
LGW
19h 30m
2 stops
Multiple Airlines Logo
14:00 - 07:32
LGW
-
PHL
22h 32m
1 stop
£442Multiple Airlines
Sun, 1 Mar - Thu, 5 Mar
Multiple Airlines Logo
19:46 - 10:00
PHL
-
LGW
33h 14m
1 stop
Multiple Airlines Logo
14:00 - 23:16
LGW
-
PHL
14h 16m
1 stop
£442Multiple Airlines
Wed, 18 Feb - Thu, 26 Feb
Multiple Airlines Logo
12:21 - 06:00
PHL
-
LGW
36h 39m
2 stops
Multiple Airlines Logo
14:00 - 23:16
LGW
-
PHL
14h 16m
1 stop
£443Multiple Airlines
Tue, 17 Feb - Thu, 26 Feb
Multiple Airlines Logo
06:00 - 06:00
PHL
-
LGW
19h 00m
2 stops
Multiple Airlines Logo
14:00 - 16:58
LGW
-
PHL
30h 58m
1 stop
£445Multiple Airlines
Wed, 25 Feb - Mon, 9 Mar
Multiple Airlines Logo
05:30 - 10:00
PHL
-
LGW
23h 30m
1 stop
Multiple Airlines Logo
14:00 - 07:32
LGW
-
PHL
22h 32m
1 stop
£446Multiple Airlines
Mon, 16 Feb - Thu, 26 Feb

Icelandair flights from Philadelphia to London Gatwick Airport

Our best Icelandair deals on Philadelphia to London Gatwick Airport flight tickets
Icelandair
9 Feb
PHL13:30Philadelphia
16h 25m
2 stops
LGW10:55London Gatwick
11 Mar
LGW11:55London Gatwick
14h 41m
2 stops
PHL22:36Philadelphia
£628
Icelandair
3 Feb
PHL08:40Philadelphia
21h 15m
2 stops
LGW10:55London Gatwick
28 Feb
LGW11:55London Gatwick
15h 41m
2 stops
PHL22:36Philadelphia
£731

TAP AIR PORTUGAL flights from Philadelphia to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Philadelphia to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
7 Feb
PHL08:40Philadelphia
44h 10m
2 stops
LGW09:50London Gatwick
9 Feb
LGW16:35London Gatwick
30h 48m
2 stops
PHL18:23Philadelphia
£691
TAP AIR PORTUGAL
6 Feb
PHL13:30Philadelphia
21h 15m
2 stops
LGW15:45London Gatwick
9 Feb
LGW16:35London Gatwick
30h 48m
2 stops
PHL18:23Philadelphia
£728
TAP AIR PORTUGAL
6 Feb
PHL13:30Philadelphia
21h 15m
2 stops
LGW15:45London Gatwick
8 Feb
LGW21:25London Gatwick
25h 58m
3 stops
PHL18:23Philadelphia
£746

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia 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 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Philadelphia to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 1/3

19:46-10:00

1 stop33h 14m

London Gatwick

Sun 26/4

14:00-20:04

1 stop35h 04m

£434

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 24/2

18:10-06:00

2 stops30h 50m

London Gatwick

Mon 9/3

14:00-16:58

1 stop30h 58m

£435

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 14/4

20:25-11:05

1 stop9h 40m

London Gatwick

Wed 22/4

09:45-18:55

1 stop14h 10m

£437

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 23/3

18:30-12:15

1 stop13h 45m

London Gatwick

Mon 30/3

09:45-18:55

1 stop14h 10m

£438

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 18/2

19:46-10:00

1 stop33h 14m

London Gatwick

Fri 27/2

14:00-23:16

1 stop14h 16m

£441

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 1/3

05:30-06:00

2 stops19h 30m

London Gatwick

Thu 5/3

14:00-07:32

1 stop22h 32m

£442

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 18/2

19:46-10:00

1 stop33h 14m

London Gatwick

Thu 26/2

14:00-23:16

1 stop14h 16m

£442

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 17/2

12:21-06:00

2 stops36h 39m

London Gatwick

Thu 26/2

14:00-23:16

1 stop14h 16m

£443

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 25/2

06:00-06:00

2 stops19h 00m

London Gatwick

Mon 9/3

14:00-16:58

1 stop30h 58m

£445

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 16/2

05:30-10:00

1 stop23h 30m

London Gatwick

Thu 26/2

14:00-07:32

1 stop22h 32m

£446

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Philadelphia 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

Which airlines fly to London Gatwick Airport?

Norse Atlantic UK, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Gatwick Airport from Philadelphia according to our data. Norse Atlantic UK is the first choice among our users, with 55% of people opting to fly with this airline when travelling 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 Philadelphia to London Gatwick Airport

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

Cheap Philadelphia to London Gatwick Airport (PHL to LGW) flight deals and tips

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 13h 45m
There are no direct flights from Philadelphia to London Gatwick Airport. There are no popular flight routes from Philadelphia to London Gatwick Airport.
Search flight deals

  • How far is Philadelphia to London Gatwick by plane?

    A flight from Philadelphia to London Gatwick will travel around 3544.3 mi. Typically, this will take 13h 45m by plane in normal conditions.

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

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

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

    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 Philadelphia Airport to London Gatwick Airport.

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

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

Why use momondo?

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

It is quick and easy to find Philadelphia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

momondo does allow users to show only those flights to London from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Philadelphia 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 Philadelphia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Gatwick Airport trip

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