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Cheap flights from Philadelphia to London Gatwick Airport from £243

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LGW
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Philadelphia to Gatwick
Explore the most affordable flight options available from Philadelphia to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Thu 1/1015:30 -
1 stop13h 30m
Sat 10/1014:00 -
1 stop15h 20m
Deal found 11/8£619
Wed 19/813:00 -
1 stop16h 00m
Wed 9/914:00 -
1 stop15h 09m
Deal found 10/8£622
Sat 5/916:45 -
2 stops32h 35m
Sat 12/914:00 -
1 stop15h 09m
Deal found 10/8£623
Tue 18/807:20 -
1 stop21h 40m
Fri 28/814:00 -
1 stop14h 59m
Deal found 11/8£624
Tue 18/807:25 -
2 stops21h 35m
Mon 7/914:00 -
1 stop23h 51m
Deal found 10/8£625
Thu 13/808:00 -
2 stops21h 00m
Sun 30/814:00 -
1 stop24h 35m
Deal found 11/8£626
Wed 7/1014:50 -
1 stop14h 10m
Sat 10/1014:00 -
1 stop14h 47m
Deal found 12/8£626
Sat 15/807:20 -
2 stops21h 40m
Fri 28/814:00 -
1 stop14h 59m
Deal found 11/8£628
Sun 30/813:00 -
1 stop16h 00m
Fri 11/914:00 -
1 stop15h 09m
Deal found 10/8£629
Mon 17/808:30 -
2 stops20h 30m
Mon 7/914:00 -
1 stop23h 51m
Deal found 10/8£629
Fri 14/808:00 -
2 stops21h 00m
Fri 28/814:00 -
1 stop14h 59m
Deal found 11/8£630

Find flight deals from Philadelphia to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Gatwick (LGW). 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 13 August 2026.

Round-trip from

£619

One-way from

£243

Popular in

June

Cheapest in

November

Average price

£725
1/10-10/10
  • 1/10-10/10
  • 2 total stops
  • 28h 50m total
  • Philadelphia to London
Search Deals
1/10
  • 1/10
  • 1 total stop
  • 13h 30m total
  • Philadelphia to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£183 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Philadelphia to Gatwick 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 13 August 2026.
Use the filters below to find and compare flights from Philadelphia to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Tue 15/9

15:45-16:00

2 stops19h 15m

London Gatwick

Wed 30/9

10:25-00:40

2 stops19h 15m

£694

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Tue 1/12

09:30-09:50

2 stops19h 20m

London Gatwick

Thu 10/12

10:40-08:39

2 stops26h 59m

£723

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Thu 29/10

06:00-09:50

2 stops23h 50m

London Gatwick

Sat 7/11

16:35-22:36

2 stops35h 01m

£731

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Thu 12/11

18:30-15:50

2 stops16h 20m

London Gatwick

Thu 26/11

10:10-08:20

3 stops27h 10m

£750

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Mon 16/11

18:30-20:35

3 stops21h 05m

London Gatwick

Fri 20/11

10:40-08:20

2 stops26h 40m

£755

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Sat 10/10

10:45-09:45

2 stops18h 00m

London Gatwick

Thu 15/10

10:35-09:50

2 stops28h 15m

£783

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Tue 8/9

09:12-20:25

3 stops30h 13m

London Gatwick

Tue 22/9

16:25-22:03

2 stops34h 38m

£783
Cheapest one-way

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Tue 8/12

13:20-15:45

2 stops21h 25m

£266

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Sun 6/12

06:00-09:00

2 stops22h 00m

£266

PhiladelphiaLondon

PHL Philadelphia - LGW London Gatwick

PHLLGW

Philadelphia

Fri 27/11

11:54-08:15

1 stop15h 21m

£271

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Philadelphia to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Philadelphia 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.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Gatwick. 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 from for flights from Philadelphia to London Gatwick?

    For a flight from Philadelphia to London Gatwick, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city. Philadelphia is the only Philadelphia airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Philadelphia on a regular basis.

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

    For as low as £694, Delta can have you in London Gatwick Airport from Philadelphia in 19h 15m. The distance from Philadelphia to London Gatwick Airport is about 3551 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Yes. In addition to deals on Philadelphia to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Gatwick.

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

    Yes. Cheapflights offers flight deals from Philadelphia to Gatwick 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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

Cheapflights makes it easy to find Philadelphia to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia to Gatwick for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Philadelphia to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Philadelphia to Gatwick on Cheapflights with our Price Alert feature and get notified when better prices are available.

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