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

For as low as £661, 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.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What is the cheapest time of day to fly from LGW to PHL?

When flying from London Gatwick Airport to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£428+ Cheap Flights from London Gatwick Airport to Philadelphia

Cheap flight deals from Gatwick to Philadelphia

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Gatwick to Philadelphia
Explore the most affordable flight options available from Gatwick to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Tue 8/1209:35 -

1 stop18h 14m

Wed 6/118:37 -

2 stops31h 13m

Deal found 4/10£598

Wed 18/1108:50 -

1 stop12h 20m

Wed 25/1117:40 -

1 stop11h 20m

Deal found 4/10£600

Tue 8/1209:35 -

1 stop18h 14m

Thu 7/110:41 -

2 stops42h 19m

Deal found 4/10£601

Fri 4/1212:35 -

1 stop15h 18m

Sun 6/1213:56 -

1 stop13h 19m

Deal found 2/10£604

Mon 2/1109:00 -

1 stop12h 10m

Mon 9/1117:40 -

1 stop9h 40m

Deal found 3/10£607

Mon 16/1110:00 -

2 stops28h 30m

Mon 23/1109:07 -

2 stops25h 38m

Deal found 1/10£608

Wed 4/1110:00 -

3 stops26h 11m

Wed 11/1116:47 -

2 stops17h 58m

Deal found 4/10£609

Fri 6/1108:40 -

3 stops19h 16m

Wed 11/1115:20 -

3 stops24h 55m

Deal found 3/10£610

Sun 15/1108:25 -

1 stop12h 45m

Sun 22/1109:10 -

2 stops18h 15m

Deal found 1/10£616

Find flight deals from Gatwick to Philadelphia

Round-trip from	£598
One-way from	£428
Popular in	August
Cheapest in	January
Average price	£677

8/12-6/1
3 total stops
49h 27m total
London to Philadelphia

Search Deals

25/11-31/12
1 total stop
20h 03m total
London to Philadelphia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 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

Wed 25/11

09:50-00:53

1 stop20h 03m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£428

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Fri 6/11

07:00-07:21

3 stops29h 21m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 16/12

16:00-16:10

2 stops29h 10m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£452

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sat 14/11

18:55-16:10

1 stop26h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 25/10

12:35-11:33

1 stop26h 58m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£491

Fastest return journey

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 15/11

08:40-21:38

2 stops17h 58m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£534

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 14/10

14:00-10:18

2 stops25h 18m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£585

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sat 17/10

20:50-16:05

3 stops48h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£648

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 18/10

14:00-11:33

1 stop26h 33m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£654

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Wed 9/12

10:40-18:43

2 stops37h 03m

Philadelphia

Mon 14/12

09:30-15:45

2 stops25h 15m

£661

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 19 resultsSorted by cheapest first

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.

LGW-PHL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Boston (BOS) – chosen by Cheapflights users on 60% 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 £612.

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

Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 16h 24m.

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 £661, 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.

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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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Cheap flights from London Gatwick Airport to Philadelphia from £428

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Philadelphia

Cheapest flights from Gatwick to PhiladelphiaExplore the most affordable flight options available from Gatwick to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from Gatwick to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Gatwick to PhiladelphiaDiscover carefully curated flight deals from Gatwick to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Gatwick to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Gatwick to PhiladelphiaDiscover last-minute flight deals from Gatwick to Philadelphia. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Philadelphia. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Gatwick to PhiladelphiaSearch for one-way flight options from Gatwick to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Gatwick to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from Gatwick to Philadelphia

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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.

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.

Cheapflights Insights

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

Boston (BOS) – chosen by Cheapflights users on 60% 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 £612.

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

Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 16h 24m.

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?

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

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

How can I find direct flights from Gatwick to Philadelphia?

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

Travelling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Philadelphia

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Complete your trip

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Direct flights to Pennsylvania

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Gatwick and Philadelphia flights

Browse other Gatwick and Philadelphia flight options. Last updated on 6 October 2026.

Other flights from Gatwick

Browse through other flights departing from Gatwick. Flights are based on user searches made on Cheapflights and were last updated on 6 October 2026.

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

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

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

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

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Cheapest flights from Gatwick to Philadelphia
Explore the most affordable flight options available from Gatwick to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from Gatwick to Philadelphia
Discover carefully curated flight deals from Gatwick to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Gatwick to Philadelphia
Discover last-minute flight deals from Gatwick to Philadelphia. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Gatwick to Philadelphia
Search for one-way flight options from Gatwick to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.