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Cheap flights from London Gatwick Airport to Philadelphia from £216

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
British Airways Logo
11:45 - 11:41
LGW
-
PHL
27h 56m
2 stops
British Airways Logo
19:20 - 12:05
PHL
-
LGW
12h 45m
1 stop
£441British Airways
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
08:30 - 01:15
LGW
-
PHL
20h 45m
2 stops
Multiple Airlines Logo
22:12 - 10:00
PHL
-
LGW
30h 48m
1 stop
£448Multiple Airlines
Tue, 24 Mar - Mon, 30 Mar
Multiple Airlines Logo
14:00 - 08:36
LGW
-
PHL
22h 36m
1 stop
Multiple Airlines Logo
18:12 - 06:00
PHL
-
LGW
31h 48m
2 stops
£453Multiple Airlines
Thu, 12 Mar - Tue, 17 Mar
Multiple Airlines Logo
08:30 - 11:11
LGW
-
PHL
30h 41m
2 stops
Multiple Airlines Logo
22:18 - 10:00
PHL
-
LGW
31h 42m
1 stop
£457Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
08:30 - 11:11
LGW
-
PHL
30h 41m
2 stops
Multiple Airlines Logo
22:18 - 10:00
PHL
-
LGW
31h 42m
1 stop
£462Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
British Airways Logo
11:45 - 20:25
LGW
-
PHL
37h 40m
2 stops
British Airways Logo
15:56 - 07:30
PHL
-
LGW
34h 34m
1 stop
£475British Airways
Fri, 6 Feb - Mon, 9 Feb
Multiple Airlines Logo
14:00 - 12:39
LGW
-
PHL
27h 39m
1 stop
Multiple Airlines Logo
21:37 - 06:20
PHL
-
LGW
27h 43m
2 stops
£483Multiple Airlines
Mon, 9 Feb - Mon, 13 Apr
British Airways Logo
11:45 - 20:25
LGW
-
PHL
37h 40m
2 stops
British Airways Logo
19:02 - 07:30
PHL
-
LGW
31h 28m
1 stop
£488British Airways
Fri, 6 Feb - Mon, 9 Feb
Multiple Airlines Logo
08:30 - 01:15
LGW
-
PHL
20h 45m
2 stops
Multiple Airlines Logo
05:05 - 10:00
PHL
-
LGW
23h 55m
1 stop
£500Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
11:55 - 19:40
LGW
-
PHL
35h 45m
3 stops
Multiple Airlines Logo
08:18 - 10:55
PHL
-
LGW
22h 37m
3 stops
£502Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar

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
29 Apr
LGW12:05London Gatwick
24h 30m
2 stops
PHL07:35Philadelphia
12 May
PHL18:33Philadelphia
16h 02m
2 stops
LGW15:35London Gatwick
£579
TAP AIR PORTUGAL
11 Mar
LGW10:40London Gatwick
39h 51m
2 stops
PHL22:31Philadelphia
18 Mar
PHL06:00Philadelphia
48h 00m
3 stops
LGW10:00London Gatwick
£589
TAP AIR PORTUGAL
29 Apr
LGW12:05London Gatwick
24h 30m
2 stops
PHL07:35Philadelphia
12 May
PHL18:33Philadelphia
20h 52m
3 stops
LGW20:25London Gatwick
£590

British Airways flights from London Gatwick Airport to Philadelphia

Our best British Airways deals on London Gatwick Airport to Philadelphia flight tickets
British Airways
11 Mar
LGW11:45London Gatwick
27h 56m
2 stops
PHL11:41Philadelphia
18 Mar
PHL19:20Philadelphia
12h 45m
1 stop
LGW12:05London Gatwick
£441
British Airways
6 Feb
LGW11:45London Gatwick
37h 40m
2 stops
PHL20:25Philadelphia
9 Feb
PHL15:56Philadelphia
34h 34m
1 stop
LGW07:30London Gatwick
£475
British Airways
6 Feb
LGW11:45London Gatwick
37h 40m
2 stops
PHL20:25Philadelphia
9 Feb
PHL19:02Philadelphia
31h 28m
1 stop
LGW07:30London Gatwick
£488

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 26 January 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

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 11/3

11:45-11:41

2 stops27h 56m

Philadelphia

Wed 18/3

19:20-12:05

1 stop12h 45m

£441

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 24/3

08:30-01:15

2 stops20h 45m

Philadelphia

Mon 30/3

22:12-10:00

1 stop30h 48m

£448

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 12/3

14:00-08:36

1 stop22h 36m

Philadelphia

Tue 17/3

18:12-06:00

2 stops31h 48m

£453

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 11/3

08:30-11:11

2 stops30h 41m

Philadelphia

Wed 18/3

22:18-10:00

1 stop31h 42m

£457

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 11/3

08:30-11:11

2 stops30h 41m

Philadelphia

Wed 18/3

22:18-10:00

1 stop31h 42m

£462

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 6/2

11:45-20:25

2 stops37h 40m

Philadelphia

Mon 9/2

15:56-07:30

1 stop34h 34m

£475

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 9/2

14:00-12:39

1 stop27h 39m

Philadelphia

Mon 13/4

21:37-06:20

2 stops27h 43m

£483

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 6/2

11:45-20:25

2 stops37h 40m

Philadelphia

Mon 9/2

19:02-07:30

1 stop31h 28m

£488

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Tue 24/3

08:30-01:15

2 stops20h 45m

Philadelphia

Tue 31/3

05:05-10:00

1 stop23h 55m

£500

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 11/3

11:55-19:40

3 stops35h 45m

Philadelphia

Wed 18/3

08:18-10:55

3 stops22h 37m

£502

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 Wednesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £590. 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 £639.

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

The cheapest time of day to fly to Philadelphia is at midday when flights can be purchased for as low as £604. In the morning is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £614 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

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from London Gatwick Airport to Philadelphia takes 12h 10m
There are no direct flights from London Gatwick Airport to Philadelphia. There are no popular flight routes from London Gatwick Airport to Philadelphia.
Search flight deals

  • 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 12h 10m.

  • 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 £443Free CancellationRating
6.7
7,700 reviews
Search British Airways flights

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Reading
Newark
Vineland
King of Prussia
Dover
Essington
Cape May
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.

An easier way to manage your Philadelphia trip

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