Cheap flights from London Gatwick Airport to Philadelphia from £313

LGW — PHL
14 Dec — 21 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

Wed 25/1109:50 -
1 stop18h 11m
Wed 27/121:07 -
1 stop27h 43m
Deal found 11/11£603
Tue 1/1210:00 -
2 stops18h 09m
Sun 6/1208:40 -
2 stops26h 05m
Deal found 9/11£615
Sun 20/1209:50 -
1 stop11h 20m
Sun 27/1217:40 -
1 stop14h 05m
Deal found 13/11£643
Sat 21/1109:25 -
1 stop11h 45m
Mon 30/1117:40 -
1 stop10h 35m
Deal found 10/11£646
Thu 3/1208:50 -
1 stop12h 20m
Thu 10/1217:40 -
1 stop9h 50m
Deal found 10/11£649
Sun 6/1210:00 -
3 stops34h 57m
Fri 11/1210:09 -
2 stops25h 16m
Deal found 13/11£651
Sun 22/1109:40 -
1 stop27h 22m
Thu 26/1106:41 -
2 stops19h 09m
Deal found 10/11£654
Fri 11/1210:40 -
2 stops37h 03m
Sun 13/1209:30 -
2 stops30h 05m
Deal found 11/11£657
Sun 22/1109:40 -
1 stop27h 22m
Wed 25/1122:07 -
1 stop27h 43m
Deal found 10/11£662
Fri 18/1209:05 -
1 stop12h 05m
Wed 30/1217:40 -
1 stop9h 45m
Deal found 12/11£665
Thu 19/1108:50 -
1 stop12h 20m
Fri 27/1117:40 -
1 stop17h 40m
Deal found 10/11£665

Find flight deals from Gatwick to Philadelphia

Round-trip from

£603

One-way from

£313

Popular in

August

Cheapest in

January

Average price

£696
25/11-27/1
  • 25/11-27/1
  • 2 total stops
  • 45h 54m total
  • London to Philadelphia
19/11-31/12
  • 19/11-31/12
  • 1 total stop
  • 18h 35m total
  • London to Philadelphia
Highest demand for flights based on searches. 9% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Gatwick Airport to Philadelphia that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 19/11

11:00-00:35

1 stop18h 35m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£313

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 22/11

09:40-08:02

1 stop27h 22m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 28/12

20:35-16:10

1 stop24h 35m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£458

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 9/12

20:00-09:04

2 stops42h 04m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£491
Fastest return journey

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 30/12

08:50-16:10

1 stop12h 20m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£505

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 6/12

11:40-08:57

2 stops26h 17m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£516

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 24/12

19:05-20:08

3 stops30h 03m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£560

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sat 2/1

06:40-10:07

3 stops56h 27m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£597

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 27/12

09:05-08:38

2 stops28h 33m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£607

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 21/12

11:40-08:02

3 stops25h 22m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£646

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 21 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 £614.

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 £657, TAP AIR PORTUGAL can have you in Philadelphia from London Gatwick Airport in 37h 03m. The distance from London Gatwick Airport to Philadelphia is about 3551 mi.

  • 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

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Alternative routes for Gatwick to Philadelphia

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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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