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Cheap flights from Philadelphia to London from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 2/1. 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 Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:20 pm - 1:50 pm
PHL
-
LGW
13h 30m
1 stop
British Airways Logo
3:20 pm - 3:05 pm
LGW
-
PHL
27h 45m
1 stop
$588British Airways
Tue, Mar 3 - Mon, Mar 9
Multiple Airlines Logo
2:58 pm - 6:00 am
PHL
-
LGW
34h 02m
2 stops
Multiple Airlines Logo
2:00 pm - 9:59 am
LGW
-
PHL
24h 59m
1 stop
$589Multiple Airlines
Tue, Jan 27 - Thu, Jan 29
Multiple Airlines Logo
8:25 pm - 12:40 pm
PHL
-
LGW
11h 15m
1 stop
Multiple Airlines Logo
8:40 am - 6:55 pm
LGW
-
PHL
15h 15m
1 stop
$590Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
3:54 pm - 10:05 am
PHL
-
LGW
13h 11m
1 stop
Multiple Airlines Logo
2:00 pm - 7:15 pm
LGW
-
PHL
34h 15m
1 stop
$591Multiple Airlines
Sat, Jan 24 - Mon, Jan 26
Multiple Airlines Logo
5:30 am - 10:00 am
PHL
-
LGW
23h 30m
1 stop
Multiple Airlines Logo
2:00 pm - 8:07 am
LGW
-
PHL
22h 07m
2 stops
$592Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
6:00 pm - 1:50 pm
PHL
-
LGW
14h 50m
1 stop
British Airways Logo
10:45 am - 8:31 pm
LGW
-
PHL
14h 46m
1 stop
$593British Airways
Wed, Apr 8 - Wed, Apr 22
Multiple Airlines Logo
5:05 am - 10:00 am
PHL
-
LGW
23h 55m
1 stop
Multiple Airlines Logo
2:00 pm - 7:32 am
LGW
-
PHL
22h 32m
1 stop
$594Multiple Airlines
Thu, Feb 19 - Thu, Feb 26
British Airways Logo
6:00 pm - 1:50 pm
PHL
-
LGW
14h 50m
1 stop
British Airways Logo
2:30 pm - 2:37 pm
LGW
-
PHL
29h 07m
1 stop
$595British Airways
Wed, Apr 15 - Wed, Apr 29
British Airways Logo
5:10 pm - 12:15 pm
PHL
-
LGW
14h 05m
1 stop
British Airways Logo
9:45 pm - 3:30 pm
LGW
-
PHL
22h 45m
1 stop
$596British Airways
Mon, Apr 20 - Thu, May 14
Multiple Airlines Logo
3:54 pm - 10:00 am
PHL
-
LGW
13h 06m
1 stop
Multiple Airlines Logo
1:00 pm - 11:01 pm
LGW
-
PHL
39h 01m
2 stops
$598Multiple Airlines
Mon, Feb 2 - Sun, Feb 8

British Airways flights from Philadelphia to London Gatwick Airport

Our best British Airways deals on Philadelphia to London Gatwick Airport flight tickets
British Airways
Mar 3
PHL7:20 pmPhiladelphia
13h 30m
1 stop
LGW1:50 pmLondon Gatwick
Mar 9
LGW3:20 pmLondon Gatwick
27h 45m
1 stop
PHL3:05 pmPhiladelphia
$588
British Airways
Apr 15
PHL6:00 pmPhiladelphia
15h 45m
1 stop
LGW2:45 pmLondon Gatwick
Apr 22
LGW10:45 amLondon Gatwick
14h 46m
1 stop
PHL8:31 pmPhiladelphia
$589
British Airways
Feb 3
PHL7:55 pmPhiladelphia
18h 05m
1 stop
LGW7:00 pmLondon Gatwick
Feb 26
LGW4:05 pmLondon Gatwick
28h 00m
1 stop
PHL3:05 pmPhiladelphia
$591

TAP AIR PORTUGAL flights from Philadelphia to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Philadelphia to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Jan 29
PHL8:40 amPhiladelphia
20h 10m
2 stops
LGW9:50 amLondon Gatwick
Feb 3
LGW4:35 pmLondon Gatwick
30h 48m
2 stops
PHL6:23 pmPhiladelphia
$755
TAP AIR PORTUGAL
Jan 29
PHL8:40 amPhiladelphia
20h 10m
2 stops
LGW9:50 amLondon Gatwick
Feb 7
LGW4:35 pmLondon Gatwick
30h 48m
2 stops
PHL6:23 pmPhiladelphia
$775
TAP AIR PORTUGAL
Feb 2
PHL1:30 pmPhiladelphia
21h 15m
2 stops
LGW3:45 pmLondon Gatwick
Feb 6
LGW10:40 amLondon Gatwick
36h 58m
2 stops
PHL6:38 pmPhiladelphia
$790

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to London Gatwick Airport 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 832,500 searches. Data last updated January 21, 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

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 3/3

7:20 pm-1:50 pm

1 stop13h 30m

London Gatwick

Mon 3/9

3:20 pm-3:05 pm

1 stop27h 45m

$588

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 1/27

2:58 pm-6:00 am

2 stops34h 02m

London Gatwick

Thu 1/29

2:00 pm-9:59 am

1 stop24h 59m

$589

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 4/13

8:25 pm-12:40 pm

1 stop11h 15m

London Gatwick

Mon 4/20

8:40 am-6:55 pm

1 stop15h 15m

$590

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 1/24

3:54 pm-10:05 am

1 stop13h 11m

London Gatwick

Mon 1/26

2:00 pm-7:15 pm

1 stop34h 15m

$591

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 3/5

5:30 am-10:00 am

1 stop23h 30m

London Gatwick

Thu 3/12

2:00 pm-8:07 am

2 stops22h 07m

$592

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/8

6:00 pm-1:50 pm

1 stop14h 50m

London Gatwick

Wed 4/22

10:45 am-8:31 pm

1 stop14h 46m

$593

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/19

5:05 am-10:00 am

1 stop23h 55m

London Gatwick

Thu 2/26

2:00 pm-7:32 am

1 stop22h 32m

$594

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/15

6:00 pm-1:50 pm

1 stop14h 50m

London Gatwick

Wed 4/29

2:30 pm-2:37 pm

1 stop29h 07m

$595

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 4/20

5:10 pm-12:15 pm

1 stop14h 05m

London Gatwick

Thu 5/14

9:45 pm-3:30 pm

1 stop22h 45m

$596

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 2/2

3:54 pm-10:00 am

1 stop13h 06m

London Gatwick

Sun 2/8

1:00 pm-11:01 pm

2 stops39h 01m

$598

Flights are sorted by cheapest round-trip flights first.

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

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

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

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

You could potentially save up to 2% on your flight if you consider stops on a Philadelphia to London Gatwick Airport flight.

When to book flights from Philadelphia to London Gatwick Airport

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

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

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

Fastest flight time

12h 05m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 12h 05m
There are no direct flights from Philadelphia to London Gatwick Airport. There are no popular flight routes from Philadelphia to London Gatwick Airport.
Search flight deals

  • How far is Philadelphia to London Gatwick by plane?

    The straight-line distance from Philadelphia to London Gatwick is 3544.3 mi. Typically, this will take 12h 05m by plane in normal conditions.

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

    Prices for flights from Philadelphia Airport to London Gatwick Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to London Gatwick Airport.

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

    The required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Philadelphia to London Gatwick Airport

Compare and see reviews for airlines that fly from Philadelphia to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $609Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Luton
Milton Keynes
Dover
Slough
Guildford
Wembley
Crawley
Dartford
Hayes
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon
Richmond

Why use momondo?

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

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

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

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

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

momondo helps you find the best flight between Philadelphia and London 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 Philadelphia to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Philadelphia and alert you when they change.

An easier way to manage your London Gatwick Airport trip

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