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Cheap flights from London Gatwick Airport to Philadelphia from £400

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — PHL
19 Jun — 26 Jun1
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
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 20 May 2026.

Fri 26/612:20
LGW
-
PHL
1 stop12h 40m
JetBlue
Sun 28/621:29
PHL
-
LGW
1 stop31h 06m
JetBlue
Deal found 18/5£613
Wed 10/612:20
LGW
-
PHL
1 stop11h 30m
JetBlue
Tue 16/608:28
PHL
-
LGW
1 stop20h 07m
JetBlue
Deal found 17/5£615
Mon 15/614:00
LGW
-
PHL
1 stop23h 51m
Multiple Airlines
Sat 11/712:46
PHL
-
LGW
1 stop16h 14m
Multiple Airlines
Deal found 18/5£618
Thu 18/614:00
LGW
-
PHL
1 stop15h 44m
Multiple Airlines
Sat 11/707:20
PHL
-
LGW
2 stops21h 40m
Multiple Airlines
Deal found 16/5£619
Wed 17/614:00
LGW
-
PHL
1 stop14h 43m
Multiple Airlines
Thu 9/708:30
PHL
-
LGW
2 stops20h 30m
Multiple Airlines
Deal found 18/5£620
Mon 15/614:00
LGW
-
PHL
1 stop23h 51m
Multiple Airlines
Fri 3/712:54
PHL
-
LGW
1 stop16h 06m
Multiple Airlines
Deal found 18/5£621
Wed 27/514:00
LGW
-
PHL
1 stop23h 54m
Multiple Airlines
Wed 17/607:00
PHL
-
LGW
2 stops22h 00m
Multiple Airlines
Deal found 18/5£623
Fri 19/614:00
LGW
-
PHL
1 stop23h 51m
Multiple Airlines
Sat 18/721:16
PHL
-
LGW
1 stop31h 44m
Multiple Airlines
Deal found 18/5£624
Thu 4/612:20
LGW
-
PHL
1 stop11h 32m
JetBlue
Sun 7/609:26
PHL
-
LGW
1 stop19h 09m
JetBlue
Deal found 17/5£624
Mon 15/614:00
LGW
-
PHL
1 stop23h 51m
Multiple Airlines
Thu 9/705:21
PHL
-
LGW
1 stop23h 39m
Multiple Airlines
Deal found 18/5£626
Wed 17/614:00
LGW
-
PHL
1 stop14h 43m
Multiple Airlines
Fri 3/712:54
PHL
-
LGW
1 stop16h 06m
Multiple Airlines
Deal found 18/5£628

Find 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 20 May 2026.

Round-trip from

£613

One-way from

£400

Popular in

December

Cheapest in

September

Average price

£604
JetBlue
  • JetBlue
  • 26/6-28/6
  • 2 total stops
  • 43h 46m total
  • London to Philadelphia
Search Deals
24/5
  • 24/5
  • 2 total stops
  • 20h 37m total
  • London to Philadelphia
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 20 May 2026.
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 - PHL

LGWPHL

London Gatwick

Sun 25/10

09:05-09:39

2 stops28h 34m

Philadelphia

Tue 3/11

06:00-09:50

2 stops22h 50m

£623

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 12/6

14:00-08:51

1 stop23h 51m

Philadelphia

Thu 18/6

21:16-10:00

1 stop31h 44m

£689
Fastest return journey

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 3/6

10:25-23:07

2 stops17h 42m

Philadelphia

Wed 17/6

13:10-09:25

2 stops15h 15m

£759

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 10/9

21:20-22:32

3 stops30h 12m

Philadelphia

Thu 24/9

10:45-09:45

2 stops18h 00m

£885

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 20/8

10:35-07:38

2 stops26h 03m

Philadelphia

Mon 24/8

08:28-09:45

2 stops20h 17m

£922

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 19/6

09:25-17:52

2 stops37h 27m

Philadelphia

Sat 18/7

11:38-08:20

2 stops15h 42m

£961

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 28/7

10:35-07:38

2 stops26h 03m

Philadelphia

Tue 1/9

08:28-20:25

3 stops30h 57m

£989

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 16/6

09:25-21:19

2 stops16h 54m

Philadelphia

Fri 10/7

17:40-17:50

2 stops19h 10m

£1,022

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 25/8

21:15-20:00

3 stops27h 45m

Philadelphia

Fri 4/9

08:28-09:45

2 stops20h 17m

£1,094

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 18/7

18:35-16:05

2 stops26h 30m

Philadelphia

Sat 25/7

11:38-08:20

2 stops15h 42m

£1,097

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 19 resultsSorted by cheapest first
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

How often are flights from London to Philadelphia delayed?

About 0% of weekly flights between London and Philadelphia have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Philadelphia flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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 20 May 2026.
Check out reviews from past customers who have flown with British Airways from London Gatwick Airport to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,989 reviews
Check prices

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Crew

7.7

Food

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,989 reviews
British Airways
6.7
Okay
7,989 reviews
Check prices

Entertainment

6.4

Comfort

6.8

Boarding

6.9

Crew

7.7

Food

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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.

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

    For as low as £759, TAP AIR PORTUGAL can have you in Philadelphia from London Gatwick Airport in 17h 42m. The distance from London Gatwick Airport to Philadelphia is about 3551 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London Gatwick Airport to Philadelphia round-trip?

    Our cheapest airline available from London Gatwick Airport to Philadelphia is British Airways. Our recent data shows that you can find tickets from as low as £451 on this airline.

  • 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

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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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£451Average£660FlexibilityNo 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.

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