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Cheap flights from London Gatwick Airport to Philadelphia from £346

LGW — PHL
13 Nov — 20 Nov1
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 10/1110:00 -
3 stops29h 22m
Thu 19/1116:47 -
2 stops17h 58m
Deal found 14/10£597
Tue 10/1110:00 -
2 stops18h 54m
Tue 17/1112:36 -
3 stops22h 09m
Deal found 13/10£605
Wed 25/1109:50 -
1 stop18h 11m
Wed 2/1208:34 -
2 stops17h 21m
Deal found 11/10£606
Mon 16/1116:45 -
2 stops36h 09m
Mon 23/1117:40 -
1 stop10h 35m
Deal found 14/10£615
Mon 9/1110:00 -
2 stops18h 16m
Mon 16/1112:10 -
3 stops22h 35m
Deal found 12/10£616
Tue 10/1121:10 -
3 stops24h 11m
Wed 18/1117:05 -
2 stops21h 45m
Deal found 14/10£619
Sun 22/1112:35 -
1 stop24h 27m
Tue 1/1211:56 -
1 stop13h 54m
Deal found 13/10£619

Find flight deals from Gatwick to Philadelphia

Round-trip from

£597

One-way from

£346

Popular in

August

Cheapest in

January

Average price

£674
10/11-19/11
  • 10/11-19/11
  • 5 total stops
  • 47h 20m total
  • London to Philadelphia
Search Deals
18/11-31/12
  • 18/11-31/12
  • 1 total stop
  • 19h 45m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£62 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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Route

Depart

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Price

Cheapest return flight

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 1/11

12:35-09:30

1 stop25h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£441
Fastest return journey

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 8/11

12:35-00:35

1 stop17h 00m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£471

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Tue 15/12

10:00-23:27

2 stops18h 27m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£473

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 12/11

10:40-09:37

2 stops27h 57m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£579

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 11/12

16:40-08:39

2 stops44h 59m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£582

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 22/11

21:25-08:20

3 stops39h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£597

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 11/12

11:15-13:46

1 stop31h 31m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£600

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Tue 20/10

21:15-09:32

2 stops41h 17m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£604

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 25/12

10:45-18:56

3 stops37h 11m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£620

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 21/10

14:00-09:32

1 stop24h 32m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£622

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 £613.

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 £678, TAP AIR PORTUGAL can have you in Philadelphia from London Gatwick Airport in 26h 08m. 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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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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