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Cheap flights from Philadelphia to London from $199

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 2/8. 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 Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 pm - 9:45 amPHL-LGW
11h 15m1 stop
Multiple Airlines Logo
8:25 am - 4:00 pmLGW-PHL
12h 35m1 stop
$564Multiple Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 7
Multiple Airlines Logo
5:30 pm - 9:45 amPHL-LGW
11h 15m1 stop
Multiple Airlines Logo
8:25 am - 4:00 pmLGW-PHL
12h 35m1 stop
$566Multiple Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 7
Multiple Airlines Logo
5:29 pm - 6:00 amPHL-LGW
31h 31m2 stops
Multiple Airlines Logo
2:00 pm - 8:36 amLGW-PHL
23h 36m1 stop
$569Multiple Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
5:30 pm - 5:50 pmPHL-LGW
19h 20m2 stops
Multiple Airlines Logo
9:40 am - 4:00 pmLGW-PHL
11h 20m1 stop
$570Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
9:00 am - 6:00 amPHL-LGW
40h 00m2 stops
Multiple Airlines Logo
2:00 pm - 11:34 pmLGW-PHL
14h 34m1 stop
$581Multiple Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Multiple Airlines Logo
6:00 am - 10:00 amPHL-LGW
23h 00m2 stops
Multiple Airlines Logo
2:00 pm - 12:40 amLGW-PHL
15h 40m1 stop
$587Multiple Airlines
Find Deal
Fri, Jan 30 - Thu, Feb 19
Multiple Airlines Logo
10:00 pm - 10:00 amPHL-LGW
31h 00m1 stop
Multiple Airlines Logo
8:30 am - 10:47 amLGW-PHL
31h 17m2 stops
$588Multiple Airlines
Find Deal
Thu, Feb 5 - Wed, Feb 18
American Airlines Logo
7:00 am - 7:30 amPHL-LGW
19h 30m1 stop
American Airlines Logo
11:20 am - 9:54 pmLGW-PHL
15h 34m1 stop
$605American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
American Airlines Logo
8:00 am - 7:30 amPHL-LGW
18h 30m2 stops
American Airlines Logo
11:20 am - 9:54 pmLGW-PHL
15h 34m1 stop
$609American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
SWISS Logo
1:10 pm - 5:50 pmPHL-LGW
23h 40m2 stops
SWISS Logo
6:40 pm - 9:51 pmLGW-PHL
32h 11m2 stops
$680SWISS
Find Deal
Thu, Feb 5 - Mon, Feb 9

American Airlines flights from Philadelphia to London Gatwick Airport

Our best American Airlines deals on Philadelphia to London Gatwick Airport flight tickets
American Airlines
Dec 9
PHL7:00 amPhiladelphia
19h 30m
1 stop
LGW7:30 amLondon Gatwick
Dec 16
LGW11:20 amLondon Gatwick
15h 34m
1 stop
PHL9:54 pmPhiladelphia
$605
Find similar
American Airlines
Dec 9
PHL8:00 amPhiladelphia
18h 30m
2 stops
LGW7:30 amLondon Gatwick
Dec 16
LGW11:20 amLondon Gatwick
15h 34m
1 stop
PHL9:54 pmPhiladelphia
$609
Find similar

Icelandair flights from Philadelphia to London Gatwick Airport

Our best Icelandair deals on Philadelphia to London Gatwick Airport flight tickets
Icelandair
Nov 18
PHL9:22 amPhiladelphia
20h 33m
2 stops
LGW10:55 amLondon Gatwick
Nov 23
LGW11:55 amLondon Gatwick
16h 40m
2 stops
PHL11:35 pmPhiladelphia
$915
Find similar
Icelandair
Nov 17
PHL4:52 pmPhiladelphia
13h 03m
2 stops
LGW10:55 amLondon Gatwick
Nov 24
LGW11:55 amLondon Gatwick
14h 42m
2 stops
PHL9:37 pmPhiladelphia
$1,064
Find similar
Icelandair
Nov 14
PHL4:52 pmPhiladelphia
13h 03m
2 stops
LGW10:55 amLondon Gatwick
Nov 21
LGW11:55 amLondon Gatwick
40h 40m
2 stops
PHL11:35 pmPhiladelphia
$1,074
Find similar

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 November 10, 2025.
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 12/2

5:30 pm-9:45 am

1 stop11h 15m

London Gatwick

Sun 12/7

8:25 am-4:00 pm

1 stop12h 35m

$564

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 12/2

5:30 pm-9:45 am

1 stop11h 15m

London Gatwick

Sun 12/7

8:25 am-4:00 pm

1 stop12h 35m

$566

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 1/10

5:29 pm-6:00 am

2 stops31h 31m

London Gatwick

Sat 1/17

2:00 pm-8:36 am

1 stop23h 36m

$569

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 12/9

5:30 pm-5:50 pm

2 stops19h 20m

London Gatwick

Tue 12/16

9:40 am-4:00 pm

1 stop11h 20m

$570

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 12/2

9:00 am-6:00 am

2 stops40h 00m

London Gatwick

Sat 12/6

2:00 pm-11:34 pm

1 stop14h 34m

$581

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 1/30

6:00 am-10:00 am

2 stops23h 00m

London Gatwick

Thu 2/19

2:00 pm-12:40 am

1 stop15h 40m

$587

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/5

10:00 pm-10:00 am

1 stop31h 00m

London Gatwick

Wed 2/18

8:30 am-10:47 am

2 stops31h 17m

$588

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 12/9

7:00 am-7:30 am

1 stop19h 30m

London Gatwick

Tue 12/16

11:20 am-9:54 pm

1 stop15h 34m

$605

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 12/9

8:00 am-7:30 am

2 stops18h 30m

London Gatwick

Tue 12/16

11:20 am-9:54 pm

1 stop15h 34m

$609

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/5

1:10 pm-5:50 pm

2 stops23h 40m

London Gatwick

Mon 2/9

6:40 pm-9:51 pm

2 stops32h 11m

$680

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

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Philadelphia to London Gatwick Airport is on a Tuesday when prices can be found for as low as $731. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Wednesday is $1,068.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $604 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $981 per ticket.

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

Direct flights

None
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 9h 40m 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
British AirwaysPriceFrom $560Free CancellationRating
6.7
7,510 reviews
Search British Airways flights
JetBluePriceFrom $601Free CancellationRating
7.2
2,907 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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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