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Cheap flights from London Gatwick Airport to Philadelphia from £366

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Philadelphia departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Gatwick Airport to Philadelphia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:53LGW-PHL
14h 53m1 stop
Multiple Airlines Logo
13:57 - 10:00PHL-LGW
15h 03m1 stop
£445Multiple Airlines
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Multiple Airlines Logo
14:00 - 12:57LGW-PHL
27h 57m1 stop
Multiple Airlines Logo
13:57 - 10:00PHL-LGW
15h 03m1 stop
£446Multiple Airlines
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Multiple Airlines Logo
09:00 - 16:00LGW-PHL
12h 00m1 stop
Multiple Airlines Logo
17:30 - 17:50PHL-LGW
19h 20m2 stops
£447Multiple Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Multiple Airlines Logo
14:00 - 08:37LGW-PHL
23h 37m1 stop
Multiple Airlines Logo
12:32 - 10:00PHL-LGW
16h 28m1 stop
£448Multiple Airlines
Find Deal
Thu, 19 Feb - Mon, 2 Mar
Multiple Airlines Logo
14:00 - 22:46LGW-PHL
13h 46m1 stop
Multiple Airlines Logo
22:00 - 10:00PHL-LGW
31h 00m1 stop
£456Multiple Airlines
Find Deal
Sat, 24 Jan - Sun, 8 Feb
Multiple Airlines Logo
08:30 - 08:50LGW-PHL
29h 20m2 stops
Multiple Airlines Logo
07:00 - 10:00PHL-LGW
22h 00m1 stop
£456Multiple Airlines
Find Deal
Thu, 8 Jan - Fri, 23 Jan
Multiple Airlines Logo
14:00 - 01:24LGW-PHL
16h 24m1 stop
Multiple Airlines Logo
06:20 - 09:50PHL-LGW
22h 30m2 stops
£457Multiple Airlines
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Multiple Airlines Logo
08:30 - 10:47LGW-PHL
31h 17m2 stops
Multiple Airlines Logo
12:32 - 10:00PHL-LGW
16h 28m1 stop
£463Multiple Airlines
Find Deal
Wed, 18 Feb - Mon, 2 Mar
TAP AIR PORTUGAL Logo
10:40 - 09:39LGW-PHL
27h 59m2 stops
TAP AIR PORTUGAL Logo
10:24 - 20:35PHL-LGW
29h 11m3 stops
£523TAP AIR PORTUGAL
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Thu, 4 Dec - Mon, 8 Dec
TAP AIR PORTUGAL Logo
10:40 - 09:39LGW-PHL
27h 59m2 stops
TAP AIR PORTUGAL Logo
10:24 - 09:25PHL-LGW
42h 01m3 stops
£529TAP AIR PORTUGAL
Find Deal
Thu, 4 Dec - Tue, 9 Dec

TAP AIR PORTUGAL flights from London Gatwick Airport to Philadelphia

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Philadelphia flight tickets
TAP AIR PORTUGAL
4 Dec
LGW10:40London Gatwick
27h 59m
2 stops
PHL09:39Philadelphia
8 Dec
PHL10:24Philadelphia
29h 11m
3 stops
LGW20:35London Gatwick
£523
Find similar
TAP AIR PORTUGAL
4 Dec
LGW10:40London Gatwick
27h 59m
2 stops
PHL09:39Philadelphia
9 Dec
PHL10:24Philadelphia
42h 01m
3 stops
LGW09:25London Gatwick
£529
Find similar
TAP AIR PORTUGAL
15 Jan
LGW10:10London Gatwick
40h 14m
3 stops
PHL21:24Philadelphia
30 Jan
PHL13:30Philadelphia
21h 15m
2 stops
LGW15:45London Gatwick
£541
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport 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, momondo users made 279,928 searches. Data last updated 17 October 2025.
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

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 13/11

14:00-23:53

1 stop14h 53m

Philadelphia

Mon 17/11

13:57-10:00

1 stop15h 03m

£444

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 13/11

14:00-12:57

1 stop27h 57m

Philadelphia

Mon 17/11

13:57-10:00

1 stop15h 03m

£446

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 24/11

09:00-16:00

1 stop12h 00m

Philadelphia

Mon 1/12

17:30-17:50

2 stops19h 20m

£447

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 19/2

14:00-08:37

1 stop23h 37m

Philadelphia

Mon 2/3

12:32-10:00

1 stop16h 28m

£448

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 24/1

14:00-22:46

1 stop13h 46m

Philadelphia

Sun 8/2

22:00-10:00

1 stop31h 00m

£456

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 8/1

08:30-08:50

2 stops29h 20m

Philadelphia

Fri 23/1

07:00-10:00

1 stop22h 00m

£456

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 7/11

14:00-01:24

1 stop16h 24m

Philadelphia

Sun 9/11

06:20-09:50

2 stops22h 30m

£457

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 18/2

08:30-10:47

2 stops31h 17m

Philadelphia

Mon 2/3

12:32-10:00

1 stop16h 28m

£463

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 4/12

10:40-09:39

2 stops27h 59m

Philadelphia

Mon 8/12

10:24-20:35

3 stops29h 11m

£523

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 4/12

10:40-09:39

2 stops27h 59m

Philadelphia

Tue 9/12

10:24-09:25

3 stops42h 01m

£529

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from London Gatwick Airport to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Philadelphia?

Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £609. On the other hand, Sunday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £669.

What is the cheapest time of day to depart on your flight to Philadelphia?

The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £501. At midday is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £636 per ticket.

Can stopping save me money on London Gatwick Airport to Philadelphia flights?

You could potentially save up to 10% on your flight if you consider stops on a London Gatwick Airport to Philadelphia flight.

When to book flights from London Gatwick Airport to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Philadelphia (LGW to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Philadelphia

Direct flights

None
There are no direct flights from London Gatwick Airport to Philadelphia. There are no popular flight routes from London Gatwick Airport to Philadelphia.
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  • How far is London Gatwick to Philadelphia by plane?

    The distance between London Gatwick and Philadelphia is about 3544.3 mi. A reasonable flight in good conditions will take 11h 20m.

  • When did momondo last update prices for flights from London Gatwick Airport to Philadelphia Airport?

    Prices for flights from London Gatwick Airport to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from London Gatwick Airport to Philadelphia Airport?

  • How old do you have to be to fly from London Gatwick Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Gatwick Airport to Philadelphia?

Best airlines flying from London Gatwick Airport to Philadelphia

Compare and see reviews for airlines that fly from London Gatwick Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £450Free CancellationRating
6.7
7,457 reviews
Search British Airways flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Newark
Dover
Reading
Vineland
King of Prussia
Cape May
Essington
Rehoboth Beach
Cherry Hill
Dewey Beach

Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from London to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Philadelphia?

momondo helps you find the best flight between London and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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