Find flights
When to book
Airlines
FAQs

Cheap flights from London Gatwick Airport to Philadelphia from £415

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — PHL
26 Mar — 2 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 21 March 2025.

Round-trip from

£449

One-way from

£415

Popular in

July

Cheapest in

March

Average price

£489
1/5-14/5
  • 1/5-14/5
  • 3 total stops
  • 69h 26m total
  • London to Philadelphia
Search Deals
17/6
  • 17/6
  • 1 total stop
  • 26h 34m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£80 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 March 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 21 March 2025.

Thu 1/510:00LGW - PHL
2 stops35h 38mMultiple Airlines
Wed 14/519:12PHL - LGW
1 stop33h 48mMultiple Airlines
Deal found 20/3£449
Thu 8/518:40LGW - PHL
2 stops28h 00mSWISS
Tue 13/517:35PHL - LGW
2 stops19h 15mSWISS
Deal found 21/3£487
Tue 6/515:05LGW - PHL
2 stops21h 25mAmerican Airlines
Wed 14/507:00PHL - LGW
1 stop18h 35mAmerican Airlines
Deal found 21/3£496
Tue 10/612:10LGW - PHL
1 stop16h 17mIcelandair
Sat 21/610:25PHL - LGW
1 stop18h 10mIcelandair
Deal found 20/3£543
Tue 10/612:10LGW - PHL
1 stop16h 17mJetBlue
Fri 20/618:35PHL - LGW
1 stop10h 00mJetBlue
Deal found 20/3£595
Sun 20/411:10LGW - PHL
2 stops53h 30mBritish Airways
Sun 27/406:51PHL - LGW
1 stop18h 44mBritish Airways
Deal found 21/3£597
Wed 21/510:35LGW - PHL
3 stops28h 04mTAP AIR PORTUGAL
Wed 28/517:30PHL - LGW
2 stops22h 00mTAP AIR PORTUGAL
Deal found 21/3£632
Sat 30/812:00LGW - PHL
2 stops17h 27mAir France
Sun 7/914:40PHL - LGW
2 stops14h 20mAir France
Deal found 20/3£781

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 21 March 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 1/5

10:00-16:38

2 stops35h 38m

Philadelphia

Wed 14/5

19:12-10:00

1 stop33h 48m

£449

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 8/5

18:40-17:40

2 stops28h 00m

Philadelphia

Tue 13/5

17:35-17:50

2 stops19h 15m

£487

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 6/5

15:05-07:30

2 stops21h 25m

Philadelphia

Wed 14/5

07:00-06:35

1 stop18h 35m

£496

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 10/6

12:10-23:27

1 stop16h 17m

Philadelphia

Sat 21/6

10:25-09:35

1 stop18h 10m

£543

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 10/6

12:10-23:27

1 stop16h 17m

Philadelphia

Fri 20/6

18:35-09:35

1 stop10h 00m

£595

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sun 20/4

11:10-11:40

2 stops53h 30m

Philadelphia

Sun 27/4

06:51-06:35

1 stop18h 44m

£597

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 21/5

10:35-09:39

3 stops28h 04m

Philadelphia

Wed 28/5

17:30-20:30

2 stops22h 00m

£632

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 30/8

12:00-00:27

2 stops17h 27m

Philadelphia

Sun 7/9

14:40-10:00

2 stops14h 20m

£781

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 17/6

14:00-11:34

1 stop26h 34m

£415

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 11/6

14:30-10:38

1 stop25h 08m

£486

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 14 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 21 March 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 21 March 2025.
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
1,567 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
Air France
7.4
Good
1,422 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
2,937 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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 SWISS. Our recent data shows that you can find tickets from as low as £487 on this airline. Additional options worth looking into are American Airlines and Icelandair, starting at £496 and £543 round-trip. These flights start at 21% 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 £486. However, be on the lookout for offers from Icelandair and TAP AIR PORTUGAL, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
London City to Newark flights
Gatwick to LaGuardia flights
Heathrow to Dulles Intl flights
Stansted to John F Kennedy Intl flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
London City to LaGuardia flights
Luton to Newark flights
Heathrow to Philadelphia flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Heathrow to Pittsburgh flights
Stansted to Dulles Intl flights
London City to Reagan-National flights
London City to Philadelphia flights
Luton to Dulles Intl flights
Gatwick to Pittsburgh flights
Stansted to Philadelphia flights
London City to Pittsburgh flights
Luton to Philadelphia flights
Stansted to LaGuardia flights
Luton to LaGuardia flights
Southend to Newark flights
Stansted to Pittsburgh flights
Southend to John F Kennedy Intl flights
Heathrow to Harrisburg flights
Luton to Pittsburgh flights
Heathrow to State College flights
Heathrow to Scranton flights
Heathrow to Allentown flights
London City to Harrisburg flights
Southend to Dulles Intl flights
Heathrow to Erie flights
Gatwick to Erie flights

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 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£395Average£487FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£446Average£585FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.