Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to London from $232

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 7/21. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:20 pm - 11:05 am
PHL
-
LGW
13h 45m
2 stops
Multiple Airlines Logo
9:30 pm - 2:49 pm
LGW
-
PHL
22h 19m
2 stops
$863Multiple Airlines
Tue, Aug 11 - Mon, Aug 17
Multiple Airlines Logo
8:44 pm - 10:00 am
PHL
-
LGW
32h 16m
2 stops
Multiple Airlines Logo
2:00 pm - 12:20 am
LGW
-
PHL
15h 20m
1 stop
$864Multiple Airlines
Sun, Oct 4 - Mon, Oct 12
Multiple Airlines Logo
1:28 pm - 10:00 am
PHL
-
LGW
15h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 8:56 am
LGW
-
PHL
23h 56m
1 stop
$865Multiple Airlines
Wed, Aug 12 - Tue, Aug 25
JetBlue Logo
8:28 am - 9:35 am
PHL
-
LGW
20h 07m
1 stop
JetBlue Logo
12:20 pm - 8:00 pm
LGW
-
PHL
12h 40m
1 stop
$866JetBlue
Sun, Aug 30 - Wed, Sep 2
Multiple Airlines Logo
9:16 pm - 10:00 am
PHL
-
LGW
31h 44m
1 stop
Multiple Airlines Logo
2:00 pm - 8:52 am
LGW
-
PHL
23h 52m
1 stop
$867Multiple Airlines
Tue, Jul 7 - Fri, Aug 14
JetBlue Logo
8:28 am - 9:35 am
PHL
-
LGW
20h 07m
1 stop
JetBlue Logo
12:20 pm - 8:00 pm
LGW
-
PHL
12h 40m
1 stop
$869JetBlue
Tue, Aug 11 - Mon, Aug 17
Multiple Airlines Logo
3:25 pm - 5:50 pm
PHL
-
LGW
21h 25m
2 stops
Multiple Airlines Logo
8:50 pm - 9:34 pm
LGW
-
PHL
29h 44m
2 stops
$871Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
12:56 pm - 10:00 am
PHL
-
LGW
16h 04m
1 stop
Multiple Airlines Logo
2:00 pm - 8:56 am
LGW
-
PHL
23h 56m
1 stop
$875Multiple Airlines
Sat, Aug 15 - Tue, Aug 25
JetBlue Logo
8:35 am - 9:35 am
PHL
-
LGW
20h 00m
1 stop
JetBlue Logo
12:20 pm - 7:38 am
LGW
-
PHL
24h 18m
1 stop
$877JetBlue
Tue, Jul 7 - Fri, Aug 14
Multiple Airlines Logo
3:25 pm - 10:00 am
PHL
-
LGW
13h 35m
1 stop
Multiple Airlines Logo
2:00 pm - 12:20 am
LGW
-
PHL
15h 20m
1 stop
$878Multiple Airlines
Fri, Oct 9 - Fri, Oct 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
Aug 30
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Sep 2
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$866
JetBlue
Aug 11
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Aug 17
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$869
JetBlue
Jul 7
PHL8:35 amPhiladelphia
20h 00m
1 stop
LGW9:35 amLondon Gatwick
Aug 14
LGW12:20 pmLondon Gatwick
24h 18m
1 stop
PHL7:38 amPhiladelphia
$877

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 June 20, 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

Cheapest round-trip

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/11

4:20 pm-11:05 am

2 stops13h 45m

London Gatwick

Mon 8/17

9:30 pm-2:49 pm

2 stops22h 19m

$863

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 10/4

8:44 pm-10:00 am

2 stops32h 16m

London Gatwick

Mon 10/12

2:00 pm-12:20 am

1 stop15h 20m

$864

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 8/12

1:28 pm-10:00 am

1 stop15h 32m

London Gatwick

Tue 8/25

2:00 pm-8:56 am

1 stop23h 56m

$865

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 8/30

8:28 am-9:35 am

1 stop20h 07m

London Gatwick

Wed 9/2

12:20 pm-8:00 pm

1 stop12h 40m

$866

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 7/7

9:16 pm-10:00 am

1 stop31h 44m

London Gatwick

Fri 8/14

2:00 pm-8:52 am

1 stop23h 52m

$867

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/11

8:28 am-9:35 am

1 stop20h 07m

London Gatwick

Mon 8/17

12:20 pm-8:00 pm

1 stop12h 40m

$869

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 7/15

3:25 pm-5:50 pm

2 stops21h 25m

London Gatwick

Wed 7/22

8:50 pm-9:34 pm

2 stops29h 44m

$871

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 8/15

12:56 pm-10:00 am

1 stop16h 04m

London Gatwick

Tue 8/25

2:00 pm-8:56 am

1 stop23h 56m

$875

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 7/7

8:35 am-9:35 am

1 stop20h 00m

London Gatwick

Fri 8/14

12:20 pm-7:38 am

1 stop24h 18m

$877
Quickest round-trip

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 10/9

3:25 pm-10:00 am

1 stop13h 35m

London Gatwick

Fri 10/16

2:00 pm-12:20 am

1 stop15h 20m

$878

Flights are sorted by cheapest round-trip flights first.

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

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 5% 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

13h 54m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 13h 54m
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

Frequently asked questions about flying from Philadelphia to London Gatwick Airport

  • 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 13h 54m 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 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.

Traveling to a place near London?

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

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/20
Mon 7/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $528
Flights to London Stansted Airportfrom $502
Flights to London City Airportfrom $667
Flights to London Luton Airportfrom $494
Flights to Glasgow Intl Airportfrom $523
Flights to London Southend Airportfrom $636
Flights to Belfast Intl Airportfrom $633
Flights to Belfast City Airportfrom $644