Find flights
When to book
Airlines
FAQs

Cheap flights from London Gatwick Airport to Philadelphia from £385

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — PHL
22 Jun — 29 Jun1
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 17 June 2025.

Round-trip from

£452

One-way from

£385

Popular in

July

Cheapest in

September

Average price

£540
26/6-3/7
  • 26/6-3/7
  • 2 total stops
  • 56h 30m total
  • London to Philadelphia
Search Deals
3/7
  • 3/7
  • 1 total stop
  • 29h 27m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 17 June 2025.

Thu 26/614:00LGW - PHL
1 stop22h 48mMultiple Airlines
Thu 3/719:18PHL - LGW
1 stop33h 42mMultiple Airlines
Deal found 16/6£452
Wed 16/712:10LGW - PHL
1 stop26h 28mIcelandair
Wed 23/717:40PHL - LGW
1 stop10h 55mIcelandair
Deal found 15/6£455
Mon 23/612:20LGW - PHL
2 stops40h 48mAmerican Airlines
Mon 7/710:48PHL - LGW
1 stop14h 47mAmerican Airlines
Deal found 15/6£488
Tue 24/609:10LGW - PHL
1 stop12h 25mBritish Airways
Sun 29/618:50PHL - LGW
1 stop30h 45mBritish Airways
Deal found 16/6£488
Mon 23/612:10LGW - PHL
1 stop11h 25mJetBlue
Wed 9/717:40PHL - LGW
1 stop10h 55mJetBlue
Deal found 16/6£490
Mon 30/611:35LGW - PHL
1 stop33h 10mIberia
Thu 10/713:50PHL - LGW
2 stops16h 00mIberia
Deal found 16/6£524
Wed 22/1012:05LGW - PHL
2 stops26h 17mTAP AIR PORTUGAL
Tue 4/1108:20PHL - LGW
2 stops20h 30mTAP AIR PORTUGAL
Deal found 16/6£554

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 17 June 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 26/6

14:00-07:48

1 stop22h 48m

Philadelphia

Thu 3/7

19:18-10:00

1 stop33h 42m

£452

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 16/7

12:10-09:38

1 stop26h 28m

Philadelphia

Wed 23/7

17:40-09:35

1 stop10h 55m

£455

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 30/6

11:35-15:45

1 stop33h 10m

Philadelphia

Thu 10/7

13:50-10:50

2 stops16h 00m

£524

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 22/10

12:05-09:22

2 stops26h 17m

Philadelphia

Tue 4/11

08:20-09:50

2 stops20h 30m

£554

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 23/7

12:10-09:38

1 stop26h 28m

Philadelphia

Thu 7/8

10:25-09:35

1 stop18h 10m

£557

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 7/7

10:40-20:09

1 stop14h 29m

Philadelphia

Tue 15/7

15:45-10:40

1 stop13h 55m

£588

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 3/7

10:00-10:27

1 stop29h 27m

£385

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 22/9

12:10-21:24

1 stop14h 14m

£484

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sun 21/9

12:05-09:22

2 stops26h 17m

£521

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 13/10

06:50-16:40

1 stop14h 50m

£670

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Showing 1-10 of 17 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 17 June 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 17 June 2025.
Get a feel of what it's like to fly with Delta, SWISS and JetBlue from London to Philadelphia by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,963 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,628 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Ethiopian Air
7.2
Good
781 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline has 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 Icelandair. Our recent data shows that you can find tickets from as low as £455 on this airline. Additional options worth looking into are Iberia and TAP AIR PORTUGAL, starting at £524 and £554 round-trip. These flights start at 24% 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 JetBlue, with whom users have recently found tickets for as low as £484. However, be on the lookout for offers from TAP AIR PORTUGAL and Iberia, 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
Gatwick to LaGuardia flights
London City to Newark flights
Stansted to John F Kennedy Intl flights
Luton to John F Kennedy Intl flights
Heathrow to Dulles Intl flights
Stansted to Newark flights
Luton to Newark flights
London City to LaGuardia flights
Heathrow to Philadelphia flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Stansted to LaGuardia flights
Luton to LaGuardia flights
Stansted to Dulles Intl flights
London City to Philadelphia flights
Heathrow to Pittsburgh flights
London City to Reagan-National flights
Luton to Dulles Intl flights
Stansted to Philadelphia flights
Gatwick to Pittsburgh flights
Luton to Philadelphia flights
London City to Pittsburgh flights
Southend to John F Kennedy Intl flights
Luton to Pittsburgh flights
Stansted to Pittsburgh flights
Heathrow to Allentown flights
Heathrow to Harrisburg flights
Heathrow to State College flights
Southend to Newark flights
Heathrow to Scranton flights
London City to Harrisburg flights
Southend to Dulles Intl flights
Heathrow to Erie flights
Gatwick to Erie flights

Top airline flying from Gatwick to Philadelphia

Discover the top airline 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 17 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£441Average£573FlexibilityNo 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.
Site
©2025 Cheapflights