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Cheap flights from Philadelphia to London from £179

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 21/7. 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
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Find the cheapest flights from Philadelphia to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:46 - 10:00
PHL
-
LGW
16h 14m
1 stop
Multiple Airlines Logo
14:00 - 08:51
LGW
-
PHL
23h 51m
1 stop
£659Multiple Airlines
Sun, 26 Jul - Mon, 17 Aug
Multiple Airlines Logo
05:25 - 10:00
PHL
-
LGW
23h 35m
1 stop
Multiple Airlines Logo
14:00 - 08:51
LGW
-
PHL
23h 51m
1 stop
£660Multiple Airlines
Thu, 30 Jul - Mon, 17 Aug
Delta Logo
13:15 - 16:00
PHL
-
LGW
21h 45m
2 stops
Delta Logo
10:25 - 00:41
LGW
-
PHL
19h 16m
2 stops
£661Delta
Tue, 1 Sep - Sat, 12 Sep
Delta Logo
06:00 - 09:25
PHL
-
LGW
22h 25m
2 stops
Delta Logo
10:25 - 08:29
LGW
-
PHL
27h 04m
2 stops
£661Delta
Wed, 2 Sep - Sat, 12 Sep
JetBlue Logo
09:12 - 09:35
PHL
-
LGW
19h 23m
1 stop
JetBlue Logo
12:20 - 20:01
LGW
-
PHL
12h 41m
1 stop
£662JetBlue
Wed, 12 Aug - Sat, 15 Aug
Multiple Airlines Logo
05:25 - 10:00
PHL
-
LGW
23h 35m
1 stop
Multiple Airlines Logo
14:00 - 08:47
LGW
-
PHL
23h 47m
1 stop
£663Multiple Airlines
Thu, 30 Jul - Sun, 16 Aug
Multiple Airlines Logo
12:46 - 10:00
PHL
-
LGW
16h 14m
1 stop
Multiple Airlines Logo
14:00 - 08:47
LGW
-
PHL
23h 47m
1 stop
£664Multiple Airlines
Mon, 10 Aug - Sun, 16 Aug
Multiple Airlines Logo
12:46 - 10:00
PHL
-
LGW
16h 14m
1 stop
Multiple Airlines Logo
14:00 - 08:47
LGW
-
PHL
23h 47m
1 stop
£664Multiple Airlines
Mon, 10 Aug - Sun, 16 Aug
Multiple Airlines Logo
21:16 - 10:00
PHL
-
LGW
31h 44m
1 stop
Multiple Airlines Logo
14:00 - 23:29
LGW
-
PHL
14h 29m
1 stop
£665Multiple Airlines
Sat, 1 Aug - Fri, 14 Aug
JetBlue Logo
09:12 - 09:35
PHL
-
LGW
19h 23m
1 stop
JetBlue Logo
12:20 - 20:01
LGW
-
PHL
12h 41m
1 stop
£666JetBlue
Sun, 2 Aug - Tue, 25 Aug

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Delta flights from Philadelphia to London Gatwick Airport

Our best Delta deals on Philadelphia to London Gatwick Airport flight tickets
Delta
1 Sept
PHL13:15Philadelphia
21h 45m
2 stops
LGW16:00London Gatwick
12 Sept
LGW10:25London Gatwick
19h 16m
2 stops
PHL00:41Philadelphia
£661
Delta
2 Sept
PHL09:30Philadelphia
18h 55m
2 stops
LGW09:25London Gatwick
10 Sept
LGW10:25London Gatwick
27h 04m
2 stops
PHL08:29Philadelphia
£661
Delta
9 Aug
PHL10:00Philadelphia
18h 25m
2 stops
LGW09:25London Gatwick
14 Aug
LGW10:25London Gatwick
19h 54m
2 stops
PHL01:19Philadelphia
£682

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
7 Jul
PHL08:35Philadelphia
20h 00m
1 stop
LGW09:35London Gatwick
14 Aug
LGW12:20London Gatwick
24h 48m
1 stop
PHL08:08Philadelphia
£661
JetBlue
12 Aug
PHL09:12Philadelphia
19h 23m
1 stop
LGW09:35London Gatwick
15 Aug
LGW12:20London Gatwick
12h 41m
1 stop
PHL20:01Philadelphia
£662
JetBlue
2 Aug
PHL09:12Philadelphia
19h 23m
1 stop
LGW09:35London Gatwick
25 Aug
LGW12:20London Gatwick
12h 41m
1 stop
PHL20:01Philadelphia
£666

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 30 June 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

Cheapest return flight

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 26/7

12:46-10:00

1 stop16h 14m

London Gatwick

Mon 17/8

14:00-08:51

1 stop23h 51m

£659

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 30/7

05:25-10:00

1 stop23h 35m

London Gatwick

Mon 17/8

14:00-08:51

1 stop23h 51m

£660

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 1/9

13:15-16:00

2 stops21h 45m

London Gatwick

Sat 12/9

10:25-00:41

2 stops19h 16m

£661

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 2/9

06:00-09:25

2 stops22h 25m

London Gatwick

Sat 12/9

10:25-08:29

2 stops27h 04m

£661
Fastest return journey

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 12/8

09:12-09:35

1 stop19h 23m

London Gatwick

Sat 15/8

12:20-20:01

1 stop12h 41m

£662

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 30/7

05:25-10:00

1 stop23h 35m

London Gatwick

Sun 16/8

14:00-08:47

1 stop23h 47m

£663

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 10/8

12:46-10:00

1 stop16h 14m

London Gatwick

Sun 16/8

14:00-08:47

1 stop23h 47m

£664

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 10/8

12:46-10:00

1 stop16h 14m

London Gatwick

Sun 16/8

14:00-08:47

1 stop23h 47m

£664

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 1/8

21:16-10:00

1 stop31h 44m

London Gatwick

Fri 14/8

14:00-23:29

1 stop14h 29m

£665

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 2/8

09:12-09:35

1 stop19h 23m

London Gatwick

Tue 25/8

12:20-20:01

1 stop12h 41m

£666

Flights are sorted by cheapest return 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 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

What is the cheapest airline that flies from Philadelphia to London Gatwick?

JetBlue and Delta are the most popular carriers operating from Philadelphia to London Gatwick

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

9h 40m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 9h 40m
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

Frequently asked questions about flying from Philadelphia to London Gatwick Airport

  • 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 9h 40m 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
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Chichester
Hastings
Bedford
Colchester
Harlow
Chelmsford

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.

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