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Cheap flights from London Gatwick Airport to Philadelphia from £389

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — PHL
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Gatwick to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 April 2025.

Round-trip from

£389

Popular in

July

Cheapest in

May

Average price

£568
8/5-14/5
  • 8/5-14/5
  • 2 total stops
  • 45h 48m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Gatwick to Philadelphia

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 15 April 2025.

Thu 8/514:00LGW - PHL
1 stop22h 48mMultiple Airlines
Wed 14/506:00PHL - LGW
1 stop23h 00mMultiple Airlines
Deal found 14/4£389
Mon 8/912:10LGW - PHL
1 stop15h 12mJetBlue
Tue 7/1015:00PHL - LGW
1 stop13h 35mJetBlue
Deal found 14/4£412
Sat 7/612:10LGW - PHL
1 stop26h 29mIcelandair
Thu 17/710:25PHL - LGW
1 stop18h 10mIcelandair
Deal found 15/4£476
Wed 10/918:35LGW - PHL
2 stops51h 54mSWISS
Tue 7/1010:10PHL - LGW
2 stops26h 40mSWISS
Deal found 14/4£492
Wed 21/510:40LGW - PHL
1 stop14h 39mFinnair
Tue 27/512:26PHL - LGW
1 stop13h 09mFinnair
Deal found 14/4£495
Mon 30/614:00LGW - PHL
1 stop24h 35mBritish Airways
Sun 6/719:15PHL - LGW
1 stop30h 20mBritish Airways
Deal found 14/4£496
Mon 1/914:55LGW - PHL
2 stops29h 55mIberia
Mon 8/920:25PHL - LGW
1 stop18h 35mIberia
Deal found 14/4£500
Fri 30/512:00LGW - PHL
2 stops34h 10mVirgin Atlantic
Fri 6/613:00PHL - LGW
2 stops40h 00mVirgin Atlantic
Deal found 15/4£544
Sat 31/512:00LGW - PHL
2 stops15h 30mDelta
Thu 5/613:15PHL - LGW
2 stops15h 45mDelta
Deal found 14/4£641

Cheapflights Fare Finder

Customise your flight search to find flights from Gatwick to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Philadelphia that are best for you.

Fly from

Gatwick

Fly to

Philadelphia

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 8/5

14:00-07:48

1 stop22h 48m

Philadelphia

Wed 14/5

06:00-10:00

1 stop23h 00m

£389

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 8/9

12:10-22:22

1 stop15h 12m

Philadelphia

Mon 6/10

15:00-09:35

1 stop13h 35m

£412

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 7/6

12:10-09:39

1 stop26h 29m

Philadelphia

Thu 17/7

10:25-09:35

1 stop18h 10m

£476

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 10/9

18:35-17:29

2 stops51h 54m

Philadelphia

Tue 7/10

10:10-17:50

2 stops26h 40m

£492

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 21/5

10:40-20:19

1 stop14h 39m

Philadelphia

Tue 27/5

12:26-06:35

1 stop13h 09m

£495

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 30/6

14:00-09:35

1 stop24h 35m

Philadelphia

Sun 6/7

19:15-06:35

1 stop30h 20m

£496

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 1/9

14:55-15:50

2 stops29h 55m

Philadelphia

Mon 8/9

20:25-20:00

1 stop18h 35m

£500

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 30/5

12:00-17:10

2 stops34h 10m

Philadelphia

Fri 6/6

13:00-10:00

2 stops40h 00m

£544

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 31/5

12:00-22:30

2 stops15h 30m

Philadelphia

Thu 5/6

13:15-10:00

2 stops15h 45m

£641

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sun 17/8

10:00-00:46

1 stop19h 46m

£434

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 19 results
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
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 is the cheapest month to book a flight from London Gatwick Airport to Philadelphia?

Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to Philadelphia (average of £648). Flying from London Gatwick Airport to Philadelphia in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Gatwick to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

One of the essential ways to save on airfare from London Gatwick Airport to Philadelphia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 15% on airfare.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

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.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 15 April 2025.
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,926 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 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.

  • What are the cheapest airlines flying from London Gatwick Airport to Philadelphia round-trip?

    Our cheapest airline available from London Gatwick Airport to Philadelphia is JetBlue. Our recent data shows that you can find tickets from as low as £412 on this airline. Additional options worth looking into are Icelandair and SWISS, starting at £476 and £492 round-trip. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Gatwick Airport to Philadelphia one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £520. However, be on the lookout for offers from Aer Lingus and Icelandair, as they are both options that can get you from London Gatwick Airport to Philadelphia for a low price.

  • 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.

  • What is the cheapest month to book a flight from London Gatwick Airport to Philadelphia?

    Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to Philadelphia (average of £648). Flying from London Gatwick Airport to Philadelphia in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gatwick to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Gatwick to Philadelphia

Discover the top 2 airlines that operate flights from Gatwick to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£390Average£504FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£455Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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