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Cheap flights from Philadelphia to London from $193

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 10/7. 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

American Airlines Logo
1:36 pm - 8:10 amPHL-LGW
13h 34m2 stops
American Airlines Logo
12:20 pm - 11:16 pmLGW-PHL
15h 56m2 stops
$494American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Logo
5:20 am - 10:00 amPHL-LGW
23h 40m1 stop
Logo
2:00 pm - 10:25 amLGW-PHL
24h 25m1 stop
$495
Find Deal
Wed, Oct 22 - Fri, Oct 31
Logo
5:30 am - 10:10 amPHL-LGW
23h 40m1 stop
Logo
2:00 pm - 1:02 pmLGW-PHL
28h 02m1 stop
$525
Find Deal
Sun, Sep 28 - Wed, Oct 1
Logo
5:15 am - 10:10 amPHL-LGW
23h 55m1 stop
Logo
2:00 pm - 7:30 amLGW-PHL
22h 30m1 stop
$531
Find Deal
Sun, Sep 28 - Wed, Oct 8
Logo
8:08 pm - 10:00 amPHL-LGW
32h 52m1 stop
Logo
2:00 pm - 9:24 pmLGW-PHL
35h 24m1 stop
$535
Find Deal
Thu, Oct 23 - Fri, Oct 31
British Airways Logo
3:50 pm - 10:40 amPHL-LGW
13h 50m1 stop
British Airways Logo
2:00 pm - 11:38 amLGW-PHL
26h 38m1 stop
$558British Airways
Find Deal
Wed, Oct 8 - Mon, Oct 13
SWISS Logo
1:15 pm - 5:50 pmPHL-LGW
23h 35m2 stops
SWISS Logo
6:40 pm - 9:36 pmLGW-PHL
31h 56m2 stops
$590SWISS
Find Deal
Wed, Dec 10 - Sun, Dec 14
JetBlue Logo
3:55 pm - 9:35 amPHL-LGW
12h 40m1 stop
JetBlue Logo
12:10 pm - 9:55 pmLGW-PHL
14h 45m1 stop
$599JetBlue
Find Deal
Wed, Oct 1 - Tue, Oct 7
JetBlue Logo
3:55 pm - 9:35 amPHL-LGW
12h 40m1 stop
JetBlue Logo
12:10 pm - 9:55 pmLGW-PHL
14h 45m1 stop
$606JetBlue
Find Deal
Sat, Sep 27 - Tue, Oct 7
British Airways Logo
4:11 pm - 10:40 amPHL-LGW
13h 29m1 stop
British Airways Logo
2:30 pm - 9:40 amLGW-PHL
24h 10m1 stop
$615British Airways
Find Deal
Fri, Oct 3 - Fri, Oct 10

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
Sep 22
PHL6:10 pmPhiladelphia
10h 25m
1 stop
LGW9:35 amLondon Gatwick
Sep 29
LGW12:10 pmLondon Gatwick
14h 40m
1 stop
PHL9:50 pmPhiladelphia
$560
Find similar
JetBlue
Sep 23
PHL6:10 pmPhiladelphia
10h 25m
1 stop
LGW9:35 amLondon Gatwick
Sep 29
LGW12:10 pmLondon Gatwick
14h 40m
1 stop
PHL9:50 pmPhiladelphia
$591
Find similar
JetBlue
Sep 22
PHL6:10 pmPhiladelphia
10h 25m
1 stop
LGW9:35 amLondon Gatwick
Oct 1
LGW12:10 pmLondon Gatwick
14h 40m
1 stop
PHL9:50 pmPhiladelphia
$592
Find similar

American Airlines flights from Philadelphia to London Gatwick Airport

Our best American Airlines deals on Philadelphia to London Gatwick Airport flight tickets
American Airlines
Oct 14
PHL1:36 pmPhiladelphia
13h 34m
2 stops
LGW8:10 amLondon Gatwick
Oct 21
LGW12:20 pmLondon Gatwick
15h 56m
2 stops
PHL11:16 pmPhiladelphia
$494
Find similar
American Airlines
Oct 24
PHL1:40 pmPhiladelphia
13h 30m
2 stops
LGW8:10 amLondon Gatwick
Oct 29
LGW11:20 amLondon Gatwick
24h 01m
2 stops
PHL7:21 amPhiladelphia
$584
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 September 15, 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 10/14

1:36 pm-8:10 am

2 stops13h 34m

London Gatwick

Tue 10/21

12:20 pm-11:16 pm

2 stops15h 56m

$494

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 10/22

5:20 am-10:00 am

1 stop23h 40m

London Gatwick

Fri 10/31

2:00 pm-10:25 am

1 stop24h 25m

$495

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 9/28

5:30 am-10:10 am

1 stop23h 40m

London Gatwick

Wed 10/1

2:00 pm-1:02 pm

1 stop28h 02m

$525

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 9/28

5:15 am-10:10 am

1 stop23h 55m

London Gatwick

Wed 10/8

2:00 pm-7:30 am

1 stop22h 30m

$531

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 10/23

8:08 pm-10:00 am

1 stop32h 52m

London Gatwick

Fri 10/31

2:00 pm-9:24 pm

1 stop35h 24m

$535

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 10/8

3:50 pm-10:40 am

1 stop13h 50m

London Gatwick

Mon 10/13

2:00 pm-11:38 am

1 stop26h 38m

$558

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 12/10

1:15 pm-5:50 pm

2 stops23h 35m

London Gatwick

Sun 12/14

6:40 pm-9:36 pm

2 stops31h 56m

$590

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 10/1

3:55 pm-9:35 am

1 stop12h 40m

London Gatwick

Tue 10/7

12:10 pm-9:55 pm

1 stop14h 45m

$599

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 9/27

3:55 pm-9:35 am

1 stop12h 40m

London Gatwick

Tue 10/7

12:10 pm-9:55 pm

1 stop14h 45m

$606

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 10/3

4:11 pm-10:40 am

1 stop13h 29m

London Gatwick

Fri 10/10

2:30 pm-9:40 am

1 stop24h 10m

$615

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 typical price of a round-trip flight between Philadelphia and London Gatwick Airport?

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
6.6
7,361 reviews
Search British Airways flights
JetBluePriceFrom $601Free CancellationRating
7.2
2,912 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
Croydon

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.

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