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Cheap flights from London Gatwick Airport to Philadelphia from £246

LGW — PHL
29 Nov — 6 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 24/1109:40 -
1 stop11h 30m
Tue 1/1217:40 -
1 stop12h 10m
Deal found 27/10£588
Sun 22/1108:25 -
1 stop12h 45m
Sat 28/1117:40 -
1 stop9h 15m
Deal found 26/10£588
Thu 26/1111:00 -
2 stops28h 07m
Thu 3/1217:40 -
2 stops19h 35m
Deal found 29/10£594
Wed 25/1109:50 -
1 stop20h 03m
Mon 30/1121:18 -
2 stops38h 07m
Deal found 25/10£598
Wed 2/1210:00 -
3 stops24h 58m
Wed 9/1208:40 -
3 stops26h 05m
Deal found 28/10£600
Wed 25/1110:00 -
3 stops27h 02m
Wed 2/1212:49 -
2 stops21h 56m
Deal found 28/10£600
Sun 8/1108:25 -
1 stop12h 45m
Sun 15/1117:40 -
1 stop10h 35m
Deal found 29/10£609
Fri 20/1109:40 -
1 stop11h 30m
Sat 28/1117:40 -
1 stop9h 15m
Deal found 27/10£610
Sun 8/1108:25 -
1 stop12h 45m
Tue 17/1117:40 -
1 stop19h 40m
Deal found 29/10£611
Thu 10/1208:50 -
1 stop12h 20m
Thu 17/1217:40 -
1 stop9h 50m
Deal found 26/10£613

Find flight deals from Gatwick to Philadelphia

Round-trip from

£587

One-way from

£246

Popular in

August

Cheapest in

January

Average price

£696
15/1-20/1
  • 15/1-20/1
  • 3 total stops
  • 45h 53m total
  • London to Philadelphia
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21/1-31/12
  • 21/1-31/12
  • 1 total stop
  • 26h 27m 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
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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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Depart

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Price

Cheapest return flight

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 21/1

10:35-08:02

1 stop26h 27m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£246

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

£277

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 13/12

19:40-16:10

3 stops49h 30m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 4/11

09:50-09:30

1 stop28h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Mon 14/12

08:55-16:10

3 stops36h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£384
Fastest return journey

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 25/12

09:40-19:04

1 stop14h 24m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£395

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 24/12

10:35-21:15

1 stop15h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Tue 15/12

09:35-00:52

1 stop20h 17m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 8/11

09:40-09:30

1 stop28h 50m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£421

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 18/12

14:55-16:10

1 stop30h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£472

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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

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 £608.

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 £655, 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

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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