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Cheap flights from London Gatwick Airport to Philadelphia from £231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Philadelphia departing on 3/9. 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 London Gatwick Airport to Philadelphia (LGW-PHL)

Cheap return flights

Logo
14:00 - 13:02LGW-PHL
28h 02m1 stop
Logo
05:30 - 10:10PHL-LGW
23h 40m1 stop
£361
Find Deal
Fri, 19 Sep - Sun, 28 Sep
Logo
14:00 - 13:02LGW-PHL
28h 02m1 stop
Logo
05:30 - 10:10PHL-LGW
23h 40m1 stop
£361
Find Deal
Fri, 19 Sep - Sun, 28 Sep
Logo
10:00 - 09:46LGW-PHL
28h 46m1 stop
Logo
17:59 - 06:50PHL-LGW
31h 51m1 stop
£365
Find Deal
Tue, 2 Sep - Sat, 20 Sep
Logo
14:00 - 13:02LGW-PHL
28h 02m1 stop
Logo
20:43 - 10:10PHL-LGW
32h 27m1 stop
£368
Find Deal
Sat, 13 Sep - Sat, 27 Sep
Logo
14:00 - 13:01LGW-PHL
28h 01m1 stop
Logo
14:07 - 10:00PHL-LGW
14h 53m1 stop
£379
Find Deal
Mon, 1 Sep - Tue, 9 Sep
JetBlue Logo
12:10 - 15:00LGW-PHL
31h 50m1 stop
JetBlue Logo
07:00 - 09:35PHL-LGW
21h 35m1 stop
£382JetBlue
Find Deal
Tue, 9 Sep - Mon, 15 Sep
JetBlue Logo
12:10 - 09:40LGW-PHL
26h 30m1 stop
JetBlue Logo
10:20 - 09:35PHL-LGW
18h 15m1 stop
£391JetBlue
Find Deal
Wed, 27 Aug - Tue, 23 Sep
JetBlue Logo
12:10 - 21:50LGW-PHL
14h 40m1 stop
JetBlue Logo
18:10 - 09:35PHL-LGW
10h 25m1 stop
£391JetBlue
Find Deal
Wed, 24 Sep - Mon, 29 Sep
Icelandair Logo
12:10 - 09:22LGW-PHL
26h 12m1 stop
Icelandair Logo
15:55 - 09:35PHL-LGW
12h 40m1 stop
£434Icelandair
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Thu, 11 Sep - Thu, 18 Sep
Icelandair Logo
12:10 - 21:50LGW-PHL
14h 40m1 stop
Icelandair Logo
15:55 - 09:35PHL-LGW
12h 40m1 stop
£437Icelandair
Find Deal
Thu, 11 Sep - Thu, 18 Sep

JetBlue flights from London Gatwick Airport to Philadelphia

Our best JetBlue deals on London Gatwick Airport to Philadelphia flight tickets
JetBlue
9 Sept
LGW12:10London Gatwick
31h 50m
1 stop
PHL15:00Philadelphia
15 Sept
PHL07:00Philadelphia
21h 35m
1 stop
LGW09:35London Gatwick
£382
Find similar
JetBlue
27 Aug
LGW12:10London Gatwick
26h 30m
1 stop
PHL09:40Philadelphia
23 Sept
PHL10:20Philadelphia
18h 15m
1 stop
LGW09:35London Gatwick
£391
Find similar
JetBlue
24 Sept
LGW12:10London Gatwick
14h 40m
1 stop
PHL21:50Philadelphia
29 Sept
PHL18:10Philadelphia
10h 25m
1 stop
LGW09:35London Gatwick
£391
Find similar

TAP AIR PORTUGAL flights from London Gatwick Airport to Philadelphia

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Philadelphia flight tickets
TAP AIR PORTUGAL
17 Aug
LGW21:15London Gatwick
41h 25m
2 stops
PHL09:40Philadelphia
5 Dec
PHL17:32Philadelphia
33h 48m
3 stops
LGW08:20London Gatwick
£966
Find similar
TAP AIR PORTUGAL
6 Aug
LGW10:35London Gatwick
28h 05m
2 stops
PHL09:40Philadelphia
2 Sept
PHL17:40Philadelphia
35h 05m
2 stops
LGW09:45London Gatwick
£1,079
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Philadelphia 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 5 August 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 19/9

14:00-13:02

1 stop28h 02m

Philadelphia

Sun 28/9

05:30-10:10

1 stop23h 40m

£361

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 19/9

14:00-13:02

1 stop28h 02m

Philadelphia

Sun 28/9

05:30-10:10

1 stop23h 40m

£361

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 2/9

10:00-09:46

1 stop28h 46m

Philadelphia

Sat 20/9

17:59-06:50

1 stop31h 51m

£365

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 13/9

14:00-13:02

1 stop28h 02m

Philadelphia

Sat 27/9

20:43-10:10

1 stop32h 27m

£368

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 1/9

14:00-13:01

1 stop28h 01m

Philadelphia

Tue 9/9

14:07-10:00

1 stop14h 53m

£379

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 9/9

12:10-15:00

1 stop31h 50m

Philadelphia

Mon 15/9

07:00-09:35

1 stop21h 35m

£382

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 27/8

12:10-09:40

1 stop26h 30m

Philadelphia

Tue 23/9

10:20-09:35

1 stop18h 15m

£391

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 24/9

12:10-21:50

1 stop14h 40m

Philadelphia

Mon 29/9

18:10-09:35

1 stop10h 25m

£391

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 11/9

12:10-09:22

1 stop26h 12m

Philadelphia

Thu 18/9

15:55-09:35

1 stop12h 40m

£434

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 11/9

12:10-21:50

1 stop14h 40m

Philadelphia

Thu 18/9

15:55-09:35

1 stop12h 40m

£437

Flights are sorted by cheapest return flights first.

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

See travel insights to Philadelphia from

How to get the cheapest flight ticket from London Gatwick Airport to Philadelphia

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 day to depart on your flight to Philadelphia?

Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £606. On the other hand, Sunday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £666.

What is the cheapest time of day to depart on your flight to Philadelphia?

The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £506. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £639 per ticket.

Can stopping save me money on London Gatwick Airport to Philadelphia flights?

You could potentially save up to 7% on your flight if you consider stops on a London Gatwick Airport to Philadelphia flight.

When to book flights from London Gatwick Airport to Philadelphia

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

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

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

Best price found

£231

Fastest flight time

14h 14m

Direct flights

None

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from London Gatwick Airport in the past 72 hours is £231. The best return flight deal from London Gatwick Airport to Philadelphia found on momondo in the last 72 hours is £361.
The fastest flight from London Gatwick Airport to Philadelphia takes 14h 14m
There are no direct flights from London Gatwick Airport to Philadelphia. Popular non-direct route for this connection is London Gatwick Airport - Philadelphia Airport.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is London Gatwick to Philadelphia by plane?

    The distance between London Gatwick and Philadelphia is about 3544.3 mi. A reasonable flight in good conditions will take 14h 14m.

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

    Prices for flights from London Gatwick Airport to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from London Gatwick Airport to Philadelphia Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Philadelphia Airport.

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

    The necessary travel and health documents for your Philadelphia 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.

  • What is the most popular airline from London Gatwick Airport to Philadelphia?

Best airlines flying from London Gatwick Airport to Philadelphia

Compare and see reviews for airlines that fly from London Gatwick Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £461Free CancellationRating
6.6
7,235 reviews
Search British Airways flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Dover
Newark
Reading
Vineland
King of Prussia
Cape May
Essington
Rehoboth Beach
Cherry Hill
Dewey Beach

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Philadelphia. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Philadelphia flights to just show those with flexible booking policies.

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

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

Of course. momondo tracks the price of London to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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