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Cheap flights from London Gatwick Airport to Philadelphia from £288

LGW — PHL
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Philadelphia

Tue 3/1109:40 -
1 stop11h 30m
Fri 6/1117:40 -
1 stop14h 20m
Deal found 20/10£593
Sun 1/1108:25 -
1 stop12h 45m
Sat 7/1117:40 -
1 stop9h 15m
Deal found 22/10£598
Fri 4/1209:40 -
1 stop11h 30m
Fri 11/1217:40 -
1 stop18h 40m
Deal found 20/10£601
Thu 12/1108:50 -
1 stop12h 20m
Fri 20/1117:40 -
1 stop10h 10m
Deal found 20/10£607
Thu 19/1111:00 -
1 stop18h 35m
Thu 10/1210:17 -
2 stops24h 33m
Deal found 24/10£608
Fri 30/1012:35 -
1 stop15h 07m
Tue 10/1117:45 -
1 stop31h 05m
Deal found 23/10£609
Sat 21/1110:10 -
1 stop11h 00m
Sat 28/1117:40 -
1 stop9h 15m
Deal found 24/10£610
Thu 19/1111:00 -
1 stop15h 42m
Sun 22/1122:07 -
2 stops36h 38m
Deal found 22/10£613
Mon 23/1117:55 -
2 stops27h 10m
Mon 30/1117:05 -
3 stops24h 35m
Deal found 23/10£619

Find flight deals from Gatwick to Philadelphia

Round-trip from

£593

One-way from

£288

Popular in

August

Cheapest in

January

Average price

£693
3/11-6/11
  • 3/11-6/11
  • 2 total stops
  • 25h 50m total
  • London to Philadelphia
Search Deals
19/11-31/12
  • 19/11-31/12
  • 1 total stop
  • 15h 42m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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

Cheapest return flight

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 16/11

11:45-07:21

3 stops48h 36m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£361

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 30/10

12:35-23:42

1 stop15h 07m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£390

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 5/11

11:00-21:42

1 stop15h 42m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£427
Fastest return journey

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 19/4

09:45-18:55

1 stop14h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£427

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Tue 23/2

10:00-12:44

2 stops31h 44m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£468

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 22/2

10:00-16:19

2 stops35h 19m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£468

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 28/12

10:00-20:30

2 stops15h 30m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 19/2

11:35-15:50

1 stop33h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 25/2

19:40-15:50

1 stop25h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 25/2

10:00-12:44

2 stops31h 44m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£510

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Gatwick to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Gatwick with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Philadelphia

What’s the top stopover airport for flights from London Gatwick Airport to Philadelphia?

Orlando (MCO) – chosen by Cheapflights users on 67% of one-stop itineraries from London Gatwick Airport to Philadelphia on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Philadelphia?

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £607.

What’s the fastest stopover option from London Gatwick Airport to Philadelphia?

Flights via Orlando (MCO) have the shortest average one-way travel time for one-stop routes: 16h 56m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Philadelphia?

Flights via Orlando (MCO) offer the fastest connection on this route, with an average stopover time of 3h 27m.

Related info for your journey

  • What airport do you fly into for flights to Philadelphia from London Gatwick?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from London Gatwick to Philadelphia. You should not have trouble finding flights to Philadelphia from London Gatwick; the airport handles an average of 0 inbound flights from London Gatwick per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from London Gatwick. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

  • How long is the flight from London Gatwick Airport to Philadelphia?

    For as low as £702, TAP AIR PORTUGAL can have you in Philadelphia from London Gatwick Airport in 14h 16m. The distance from London Gatwick Airport to Philadelphia is about 3551 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Gatwick to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Gatwick to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Philadelphia.

  • Can I find deals for business class flights from Gatwick to Philadelphia?

    Yes. Cheapflights offers flight deals from Gatwick to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia
Middletown

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Gatwick to Philadelphia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gatwick to Philadelphia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Philadelphia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Philadelphia from Gatwick.

Can Cheapflights find flights from Gatwick to Philadelphia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Gatwick to Philadelphia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Gatwick to Philadelphia become cheaper?

Yes, Cheapflights offers price alerts on Gatwick to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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