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Cheap flights from Philadelphia to London from $171

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.
Multiple Airlines Logo
2:58 pm - 6:35 pm
PHL
-
LGW
22h 37m
2 stops
Multiple Airlines Logo
2:00 pm - 7:32 am
LGW
-
PHL
22h 32m
1 stop
$594Multiple Airlines
mar., feb. 3 - jue., feb. 26
Multiple Airlines Logo
6:50 pm - 6:00 am
PHL
-
LGW
30h 10m
2 stops
Multiple Airlines Logo
2:00 pm - 7:32 am
LGW
-
PHL
22h 32m
1 stop
$595Multiple Airlines
sáb., feb. 7 - jue., feb. 26
British Airways Logo
6:00 pm - 12:40 pm
PHL
-
LGW
13h 40m
1 stop
British Airways Logo
7:10 am - 3:30 pm
LGW
-
PHL
13h 20m
1 stop
$596British Airways
mar., abr. 7 - vie., abr. 17
Multiple Airlines Logo
10:12 pm - 10:00 am
PHL
-
LGW
30h 48m
1 stop
Multiple Airlines Logo
7:10 am - 12:07 pm
LGW
-
PHL
33h 57m
2 stops
$598Multiple Airlines
lun., mar. 30 - mié., abr. 8
Multiple Airlines Logo
8:25 pm - 10:00 am
PHL
-
LGW
32h 35m
1 stop
Multiple Airlines Logo
2:00 pm - 7:48 pm
LGW
-
PHL
34h 48m
1 stop
$602Multiple Airlines
mié., feb. 4 - lun., feb. 9
Multiple Airlines Logo
3:54 pm - 10:00 am
PHL
-
LGW
13h 06m
1 stop
Multiple Airlines Logo
2:00 pm - 7:32 am
LGW
-
PHL
22h 32m
1 stop
$604Multiple Airlines
jue., feb. 5 - jue., feb. 26
British Airways Logo
6:00 pm - 1:50 pm
PHL
-
LGW
14h 50m
1 stop
British Airways Logo
8:10 pm - 3:30 pm
LGW
-
PHL
24h 20m
1 stop
$605British Airways
mié., abr. 15 - lun., abr. 20
Multiple Airlines Logo
10:12 pm - 10:00 am
PHL
-
LGW
30h 48m
1 stop
Multiple Airlines Logo
2:00 pm - 8:15 am
LGW
-
PHL
23h 15m
2 stops
$607Multiple Airlines
lun., mar. 30 - mié., abr. 15
SWISS Logo
1:10 pm - 5:50 pm
PHL
-
LGW
23h 40m
2 stops
SWISS Logo
6:40 pm - 9:36 pm
LGW
-
PHL
31h 56m
2 stops
$608SWISS
mié., feb. 4 - mar., feb. 10
Multiple Airlines Logo
8:20 am - 10:00 am
PHL
-
LGW
20h 40m
2 stops
Multiple Airlines Logo
2:00 pm - 6:51 pm
LGW
-
PHL
33h 51m
1 stop
$609Multiple Airlines
jue., feb. 5 - lun., feb. 23

British Airways flights from Philadelphia to London Gatwick Airport

Our best British Airways deals on Philadelphia to London Gatwick Airport flight tickets
British Airways
Apr 7
PHL6:00 pmPhiladelphia
13h 40m
1 stop
LGW12:40 pmLondon Gatwick
Apr 17
LGW7:10 amLondon Gatwick
13h 20m
1 stop
PHL3:30 pmPhiladelphia
$596
British Airways
Apr 15
PHL6:00 pmPhiladelphia
14h 50m
1 stop
LGW1:50 pmLondon Gatwick
Apr 20
LGW8:10 pmLondon Gatwick
24h 20m
1 stop
PHL3:30 pmPhiladelphia
$605
British Airways
Feb 4
PHL7:35 pmPhiladelphia
13h 40m
1 stop
LGW2:15 pmLondon Gatwick
Feb 25
LGW9:05 pmLondon Gatwick
23h 00m
1 stop
PHL3:05 pmPhiladelphia
$613

SWISS flights from Philadelphia to London Gatwick Airport

Our best SWISS deals on Philadelphia to London Gatwick Airport flight tickets
SWISS
Feb 4
PHL1:10 pmPhiladelphia
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Feb 9
LGW6:40 pmLondon Gatwick
31h 56m
2 stops
PHL9:36 pmPhiladelphia
$608
SWISS
Jan 20
PHL1:10 pmPhiladelphia
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Feb 5
LGW6:40 pmLondon Gatwick
31h 56m
2 stops
PHL9:36 pmPhiladelphia
$621
SWISS
Feb 4
PHL1:10 pmPhiladelphia
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Feb 25
LGW6:40 pmLondon Gatwick
31h 29m
2 stops
PHL9:09 pmPhiladelphia
$622

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 enero 15, 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

mar. 2/3

2:58 pm-6:35 pm

2 stops22h 37m

London Gatwick

jue. 2/26

2:00 pm-7:32 am

1 stop22h 32m

$594

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

sáb. 2/7

6:50 pm-6:00 am

2 stops30h 10m

London Gatwick

jue. 2/26

2:00 pm-7:32 am

1 stop22h 32m

$595

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mar. 4/7

6:00 pm-12:40 pm

1 stop13h 40m

London Gatwick

vie. 4/17

7:10 am-3:30 pm

1 stop13h 20m

$596

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

lun. 3/30

10:12 pm-10:00 am

1 stop30h 48m

London Gatwick

mié. 4/8

7:10 am-12:07 pm

2 stops33h 57m

$598

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 2/4

8:25 pm-10:00 am

1 stop32h 35m

London Gatwick

lun. 2/9

2:00 pm-7:48 pm

1 stop34h 48m

$602

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

jue. 2/5

3:54 pm-10:00 am

1 stop13h 06m

London Gatwick

jue. 2/26

2:00 pm-7:32 am

1 stop22h 32m

$604

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 4/15

6:00 pm-1:50 pm

1 stop14h 50m

London Gatwick

lun. 4/20

8:10 pm-3:30 pm

1 stop24h 20m

$605

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

lun. 3/30

10:12 pm-10:00 am

1 stop30h 48m

London Gatwick

mié. 4/15

2:00 pm-8:15 am

2 stops23h 15m

$607

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 2/4

1:10 pm-5:50 pm

2 stops23h 40m

London Gatwick

mar. 2/10

6:40 pm-9:36 pm

2 stops31h 56m

$608

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

jue. 2/5

8:20 am-10:00 am

2 stops20h 40m

London Gatwick

lun. 2/23

2:00 pm-6:51 pm

1 stop33h 51m

$609

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

10h 55m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 10h 55m
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 10h 55m 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
2,887 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
Crawley
Dartford
Hayes
Wembley
Brentwood
Watford
Cobham
Folkestone
Romford
Harrow
Croydon
Richmond
Uxbridge

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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