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Cheap flights from Philadelphia to London from $371

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 6/10. 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

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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.
JetBlue Logo
9:21 am - 9:35 am
PHL
-
LGW
19h 14m
1 stop
JetBlue Logo
12:20 pm - 6:52 pm
LGW
-
PHL
11h 32m
1 stop
$815JetBlue
Thu, May 21 - Tue, May 26
Multiple Airlines Logo
8:25 am - 8:30 pm
PHL
-
LGW
31h 05m
2 stops
Multiple Airlines Logo
2:00 pm - 11:29 pm
LGW
-
PHL
14h 29m
1 stop
$817Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
5:45 am - 4:25 pm
PHL
-
LGW
29h 40m
3 stops
Multiple Airlines Logo
2:00 pm - 11:48 am
LGW
-
PHL
26h 48m
2 stops
$822Multiple Airlines
Thu, May 14 - Fri, Jun 5
Multiple Airlines Logo
11:48 am - 10:00 am
PHL
-
LGW
17h 12m
1 stop
Multiple Airlines Logo
2:00 pm - 8:54 am
LGW
-
PHL
23h 54m
1 stop
$840Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
5:45 am - 4:25 pm
PHL
-
LGW
29h 40m
3 stops
Multiple Airlines Logo
6:00 am - 11:45 pm
LGW
-
PHL
46h 45m
3 stops
$848Multiple Airlines
Thu, May 7 - Wed, May 13
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
$851JetBlue
Wed, Aug 12 - Wed, Sep 2
Multiple Airlines Logo
10:05 am - 5:10 pm
PHL
-
LGW
26h 05m
3 stops
Multiple Airlines Logo
9:35 pm - 3:38 pm
LGW
-
PHL
23h 03m
2 stops
$852Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
12:50 pm - 10:00 am
PHL
-
LGW
16h 10m
1 stop
Multiple Airlines Logo
2:00 pm - 12:22 am
LGW
-
PHL
15h 22m
1 stop
$853Multiple Airlines
Sat, Sep 26 - Wed, Sep 30
JetBlue Logo
8:28 am - 9:35 am
PHL
-
LGW
20h 07m
1 stop
JetBlue Logo
12:20 pm - 7:38 am
LGW
-
PHL
24h 18m
1 stop
$854JetBlue
Tue, Aug 25 - Tue, Sep 1
JetBlue Logo
8:55 pm - 9:35 am
PHL
-
LGW
31h 40m
1 stop
JetBlue Logo
12:20 pm - 8:00 pm
LGW
-
PHL
12h 40m
1 stop
$856JetBlue
Wed, Aug 12 - Wed, Sep 2

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
May 21
PHL9:21 amPhiladelphia
19h 14m
1 stop
LGW9:35 amLondon Gatwick
May 26
LGW12:20 pmLondon Gatwick
11h 32m
1 stop
PHL6:52 pmPhiladelphia
$815
JetBlue
Aug 12
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Sep 2
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$851
JetBlue
Aug 25
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Sep 1
LGW12:20 pmLondon Gatwick
24h 18m
1 stop
PHL7:38 amPhiladelphia
$854

Icelandair flights from Philadelphia to London Gatwick Airport

Our best Icelandair deals on Philadelphia to London Gatwick Airport flight tickets
Icelandair
Apr 29
PHL8:25 amPhiladelphia
25h 15m
2 stops
LGW2:40 pmLondon Gatwick
May 7
LGW1:00 pmLondon Gatwick
23h 34m
2 stops
PHL7:34 amPhiladelphia
$934
Icelandair
Apr 28
PHL8:25 amPhiladelphia
25h 15m
2 stops
LGW2:40 pmLondon Gatwick
May 7
LGW1:00 pmLondon Gatwick
23h 34m
2 stops
PHL7:34 amPhiladelphia
$937
Icelandair
Apr 21
PHL8:25 amPhiladelphia
25h 15m
2 stops
LGW2:40 pmLondon Gatwick
Apr 30
LGW3:40 pmLondon Gatwick
20h 55m
2 stops
PHL7:35 amPhiladelphia
$1,005

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 April 12, 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
Quickest round-trip

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/21

9:21 am-9:35 am

1 stop19h 14m

London Gatwick

Tue 5/26

12:20 pm-6:52 pm

1 stop11h 32m

$815

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/29

8:25 am-8:30 pm

2 stops31h 05m

London Gatwick

Wed 5/6

2:00 pm-11:29 pm

1 stop14h 29m

$817

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/14

5:45 am-4:25 pm

3 stops29h 40m

London Gatwick

Fri 6/5

2:00 pm-11:48 am

2 stops26h 48m

$822

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/29

11:48 am-10:00 am

1 stop17h 12m

London Gatwick

Wed 5/6

2:00 pm-8:54 am

1 stop23h 54m

$840

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/7

5:45 am-4:25 pm

3 stops29h 40m

London Gatwick

Wed 5/13

6:00 am-11:45 pm

3 stops46h 45m

$848

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 8/12

8:28 am-9:35 am

1 stop20h 07m

London Gatwick

Wed 9/2

12:20 pm-8:00 pm

1 stop12h 40m

$851

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 5/12

10:05 am-5:10 pm

3 stops26h 05m

London Gatwick

Tue 5/19

9:35 pm-3:38 pm

2 stops23h 03m

$852

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sat 9/26

12:50 pm-10:00 am

1 stop16h 10m

London Gatwick

Wed 9/30

2:00 pm-12:22 am

1 stop15h 22m

$853

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 8/25

8:28 am-9:35 am

1 stop20h 07m

London Gatwick

Tue 9/1

12:20 pm-7:38 am

1 stop24h 18m

$854

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 8/12

8:55 pm-9:35 am

1 stop31h 40m

London Gatwick

Wed 9/2

12:20 pm-8:00 pm

1 stop12h 40m

$856

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

14h 03m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 14h 03m
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 14h 03m 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 $614Free CancellationRating
7.2
2,929 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
Luton
Dover
Hayes
Slough
Wembley
Crawley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford
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

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.
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