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Cheap flights from Philadelphia to London from £155

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 22/1. 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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Find the cheapest flights from Philadelphia to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:43 - 10:00
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
14:00 - 10:31
LGW
-
PHL
25h 31m1 stop
£455Multiple Airlines
Wed, 11 Feb - Mon, 16 Feb
Multiple Airlines Logo
22:00 - 10:00
PHL
-
LGW
31h 00m1 stop
Multiple Airlines Logo
14:00 - 00:40
LGW
-
PHL
15h 40m1 stop
£457Multiple Airlines
Mon, 30 Mar - Wed, 8 Apr
Multiple Airlines Logo
05:30 - 10:00
PHL
-
LGW
23h 30m1 stop
Multiple Airlines Logo
14:00 - 15:41
LGW
-
PHL
30h 41m2 stops
£461Multiple Airlines
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
14:00 - 10:05
PHL
-
LGW
15h 05m1 stop
Multiple Airlines Logo
14:00 - 15:37
LGW
-
PHL
30h 37m2 stops
£464Multiple Airlines
Sat, 17 Jan - Mon, 26 Jan
Multiple Airlines Logo
15:56 - 10:00
PHL
-
LGW
13h 04m1 stop
Multiple Airlines Logo
14:00 - 10:32
LGW
-
PHL
25h 32m2 stops
£464Multiple Airlines
Mon, 12 Jan - Thu, 15 Jan
Multiple Airlines Logo
11:34 - 10:00
PHL
-
LGW
41h 26m2 stops
Multiple Airlines Logo
14:00 - 19:03
LGW
-
PHL
34h 03m1 stop
£467Multiple Airlines
Wed, 18 Feb - Fri, 27 Feb
Multiple Airlines Logo
06:00 - 06:00
PHL
-
LGW
19h 00m2 stops
Multiple Airlines Logo
14:00 - 00:40
LGW
-
PHL
15h 40m1 stop
£471Multiple Airlines
Wed, 11 Feb - Thu, 19 Feb
Multiple Airlines Logo
18:01 - 10:00
PHL
-
LGW
34h 59m1 stop
Multiple Airlines Logo
14:00 - 11:14
LGW
-
PHL
26h 14m2 stops
£474Multiple Airlines
Sun, 11 Jan - Sat, 17 Jan
Multiple Airlines Logo
10:27 - 10:05
PHL
-
LGW
18h 38m1 stop
Multiple Airlines Logo
14:00 - 00:35
LGW
-
PHL
15h 35m1 stop
£478Multiple Airlines
Sat, 10 Jan - Thu, 15 Jan
Multiple Airlines Logo
09:02 - 10:00
PHL
-
LGW
19h 58m1 stop
Multiple Airlines Logo
14:00 - 22:03
LGW
-
PHL
37h 03m1 stop
£479Multiple Airlines
Fri, 16 Jan - Mon, 19 Jan

SWISS flights from Philadelphia to London Gatwick Airport

Our best SWISS deals on Philadelphia to London Gatwick Airport flight tickets
SWISS
26 Jan
PHL13:10Philadelphia
23h 40m
2 stops
LGW17:50London Gatwick
4 Feb
LGW18:40London Gatwick
31h 56m
2 stops
PHL21:36Philadelphia
£494
Find similar
SWISS
8 Jan
PHL17:40Philadelphia
19h 10m
2 stops
LGW17:50London Gatwick
14 Jan
LGW18:40London Gatwick
26h 25m
2 stops
PHL16:05Philadelphia
£521
Find similar
SWISS
8 Jan
PHL17:40Philadelphia
19h 10m
2 stops
LGW17:50London Gatwick
17 Jan
LGW18:40London Gatwick
26h 25m
2 stops
PHL16:05Philadelphia
£539
Find similar

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 11 December 2025.
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

Wed 11/2

20:43-10:00

1 stop32h 17m

London Gatwick

Mon 16/2

14:00-10:31

1 stop25h 31m

£455

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 30/3

22:00-10:00

1 stop31h 00m

London Gatwick

Wed 8/4

14:00-00:40

1 stop15h 40m

£457

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 16/1

05:30-10:00

1 stop23h 30m

London Gatwick

Mon 19/1

14:00-15:41

2 stops30h 41m

£461

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 17/1

14:00-10:05

1 stop15h 05m

London Gatwick

Mon 26/1

14:00-15:37

2 stops30h 37m

£464

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 12/1

15:56-10:00

1 stop13h 04m

London Gatwick

Thu 15/1

14:00-10:32

2 stops25h 32m

£464

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 18/2

11:34-10:00

2 stops41h 26m

London Gatwick

Fri 27/2

14:00-19:03

1 stop34h 03m

£467

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 11/2

06:00-06:00

2 stops19h 00m

London Gatwick

Thu 19/2

14:00-00:40

1 stop15h 40m

£471

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 11/1

18:01-10:00

1 stop34h 59m

London Gatwick

Sat 17/1

14:00-11:14

2 stops26h 14m

£474

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 10/1

10:27-10:05

1 stop18h 38m

London Gatwick

Thu 15/1

14:00-00:35

1 stop15h 35m

£478

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 16/1

09:02-10:00

1 stop19h 58m

London Gatwick

Mon 19/1

14:00-22:03

1 stop37h 03m

£479

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

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

TAP AIR PORTUGAL is the most popular carrier operating from Philadelphia to London Gatwick

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 54% 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

10h 45m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 10h 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 10h 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
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

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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