Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to London from £240

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 1/8. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Find the cheapest flights from Philadelphia to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:16 - 10:00
PHL
-
LGW
31h 44m
1 stop
Multiple Airlines Logo
14:00 - 08:51
LGW
-
PHL
23h 51m
1 stop
£570Multiple Airlines
Sat, 1 Aug - Mon, 31 Aug
Multiple Airlines Logo
20:25 - 12:20
PHL
-
LGW
10h 55m
1 stop
Multiple Airlines Logo
11:55 - 18:55
LGW
-
PHL
12h 00m
1 stop
£583Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
20:25 - 12:40
PHL
-
LGW
11h 15m
1 stop
Multiple Airlines Logo
09:45 - 18:55
LGW
-
PHL
14h 10m
1 stop
£584Multiple Airlines
Mon, 7 Sep - Wed, 16 Sep
Multiple Airlines Logo
20:25 - 12:30
PHL
-
LGW
11h 05m
1 stop
Multiple Airlines Logo
09:45 - 18:55
LGW
-
PHL
14h 10m
1 stop
£586Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
15:25 - 20:55
PHL
-
LGW
24h 30m
2 stops
Multiple Airlines Logo
21:30 - 21:32
LGW
-
PHL
29h 02m
2 stops
£587Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
20:25 - 12:00
PHL
-
LGW
10h 35m
1 stop
Multiple Airlines Logo
14:00 - 09:32
LGW
-
PHL
24h 32m
1 stop
£595Multiple Airlines
Sun, 6 Sep - Mon, 14 Sep
Multiple Airlines Logo
07:20 - 10:00
PHL
-
LGW
21h 40m
2 stops
Multiple Airlines Logo
14:00 - 08:51
LGW
-
PHL
23h 51m
1 stop
£606Multiple Airlines
Sat, 1 Aug - Mon, 31 Aug
Multiple Airlines Logo
12:54 - 10:00
PHL
-
LGW
16h 06m
1 stop
Multiple Airlines Logo
14:00 - 09:32
LGW
-
PHL
24h 32m
1 stop
£611Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
17:16 - 10:00
PHL
-
LGW
35h 44m
2 stops
Multiple Airlines Logo
14:00 - 00:40
LGW
-
PHL
15h 40m
1 stop
£616Multiple Airlines
Wed, 27 May - Tue, 2 Jun
Multiple Airlines Logo
20:25 - 11:15
PHL
-
LGW
9h 50m
1 stop
Multiple Airlines Logo
09:45 - 18:55
LGW
-
PHL
14h 10m
1 stop
£616Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
4 Sept
PHL08:28Philadelphia
20h 07m
1 stop
LGW09:35London Gatwick
8 Sept
LGW12:20London Gatwick
12h 40m
1 stop
PHL20:00Philadelphia
£653
JetBlue
11 Aug
PHL08:28Philadelphia
20h 07m
1 stop
LGW09:35London Gatwick
26 Aug
LGW12:20London Gatwick
12h 40m
1 stop
PHL20:00Philadelphia
£656
JetBlue
28 Jul
PHL08:28Philadelphia
20h 07m
1 stop
LGW09:35London Gatwick
27 Aug
LGW12:20London Gatwick
12h 40m
1 stop
PHL20:00Philadelphia
£672

Delta flights from Philadelphia to London Gatwick Airport

Our best Delta deals on Philadelphia to London Gatwick Airport flight tickets
Delta
1 Nov
PHL06:00Philadelphia
22h 00m
2 stops
LGW09:00London Gatwick
18 Nov
LGW10:00London Gatwick
15h 07m
2 stops
PHL20:07Philadelphia
£684
Delta
31 Oct
PHL20:45Philadelphia
32h 15m
2 stops
LGW09:00London Gatwick
18 Nov
LGW10:00London Gatwick
15h 07m
2 stops
PHL20:07Philadelphia
£688

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 12 May 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

Sat 1/8

21:16-10:00

1 stop31h 44m

London Gatwick

Mon 31/8

14:00-08:51

1 stop23h 51m

£570
Fastest return journey

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/9

20:25-12:20

1 stop10h 55m

London Gatwick

Tue 15/9

11:55-18:55

1 stop12h 00m

£583

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 7/9

20:25-12:40

1 stop11h 15m

London Gatwick

Wed 16/9

09:45-18:55

1 stop14h 10m

£584

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 9/9

20:25-12:30

1 stop11h 05m

London Gatwick

Wed 16/9

09:45-18:55

1 stop14h 10m

£586

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 7/9

15:25-20:55

2 stops24h 30m

London Gatwick

Mon 14/9

21:30-21:32

2 stops29h 02m

£587

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 6/9

20:25-12:00

1 stop10h 35m

London Gatwick

Mon 14/9

14:00-09:32

1 stop24h 32m

£595

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 1/8

07:20-10:00

2 stops21h 40m

London Gatwick

Mon 31/8

14:00-08:51

1 stop23h 51m

£606

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 7/9

12:54-10:00

1 stop16h 06m

London Gatwick

Mon 14/9

14:00-09:32

1 stop24h 32m

£611

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 27/5

17:16-10:00

2 stops35h 44m

London Gatwick

Tue 2/6

14:00-00:40

1 stop15h 40m

£616

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 1/6

20:25-11:15

1 stop9h 50m

London Gatwick

Mon 8/6

09:45-18:55

1 stop14h 10m

£616

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

11h 05m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 11h 05m
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 11h 05m 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
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
Colchester

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

We make it super easy to schedule, organise 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
Thu 11/6
Thu 18/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London