Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to London from $363

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 6/4. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$765Multiple Airlines
Wed, Apr 29 - Wed, May 13
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
$778Multiple Airlines
Wed, Apr 29 - Fri, May 8
Multiple Airlines Logo
8:36 pm - 10:00 am
PHL
-
LGW
32h 24m
2 stops
Multiple Airlines Logo
2:00 pm - 9:29 am
LGW
-
PHL
24h 29m
1 stop
$787Multiple Airlines
Tue, Apr 28 - Fri, May 1
Multiple Airlines Logo
8:29 pm - 6:20 am
PHL
-
LGW
28h 51m
2 stops
Multiple Airlines Logo
2:00 pm - 7:41 am
LGW
-
PHL
22h 41m
1 stop
$788Multiple Airlines
Mon, Apr 27 - Fri, May 1
Multiple Airlines Logo
7:30 am - 10:00 am
PHL
-
LGW
21h 30m
1 stop
Multiple Airlines Logo
2:00 pm - 9:29 am
LGW
-
PHL
24h 29m
1 stop
$808Multiple Airlines
Wed, Apr 29 - Fri, May 1
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
9:17 am - 10:00 am
PHL
-
LGW
19h 43m
2 stops
Multiple Airlines Logo
2:00 pm - 7:41 am
LGW
-
PHL
22h 41m
1 stop
$824Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
7:30 am - 6:20 am
PHL
-
LGW
17h 50m
2 stops
Multiple Airlines Logo
2:00 pm - 8:56 am
LGW
-
PHL
23h 56m
1 stop
$827Multiple Airlines
Tue, Apr 28 - Wed, Apr 29
Multiple Airlines Logo
7:30 am - 6:20 am
PHL
-
LGW
17h 50m
2 stops
Multiple Airlines Logo
2:00 pm - 9:29 am
LGW
-
PHL
24h 29m
1 stop
$828Multiple Airlines
Tue, Apr 28 - Fri, May 1
Multiple Airlines Logo
5:45 am - 6:20 am
PHL
-
LGW
19h 35m
2 stops
Multiple Airlines Logo
2:00 pm - 11:29 pm
LGW
-
PHL
14h 29m
1 stop
$834Multiple Airlines
Thu, May 21 - Wed, May 27

JetBlue flights from Philadelphia to London Gatwick Airport

Our best JetBlue deals on Philadelphia to London Gatwick Airport flight tickets
JetBlue
Aug 12
PHL8:55 pmPhiladelphia
31h 40m
1 stop
LGW9:35 amLondon Gatwick
Sep 2
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$856
JetBlue
Aug 2
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Aug 25
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$871
JetBlue
Aug 27
PHL8:28 amPhiladelphia
20h 07m
1 stop
LGW9:35 amLondon Gatwick
Aug 31
LGW12:20 pmLondon Gatwick
12h 40m
1 stop
PHL8:00 pmPhiladelphia
$887

Icelandair flights from Philadelphia to London Gatwick Airport

Our best Icelandair deals on Philadelphia to London Gatwick Airport flight tickets
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 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
$996

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 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

Cheapest round-trip

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/29

11:48 am-10:00 am

1 stop17h 12m

London Gatwick

Wed 5/13

2:00 pm-8:54 am

1 stop23h 54m

$765

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/29

11:48 am-10:00 am

1 stop17h 12m

London Gatwick

Fri 5/8

2:00 pm-8:54 am

1 stop23h 54m

$778

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 4/28

8:36 pm-10:00 am

2 stops32h 24m

London Gatwick

Fri 5/1

2:00 pm-9:29 am

1 stop24h 29m

$787

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 4/27

8:29 pm-6:20 am

2 stops28h 51m

London Gatwick

Fri 5/1

2:00 pm-7:41 am

1 stop22h 41m

$788

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 4/29

7:30 am-10:00 am

1 stop21h 30m

London Gatwick

Fri 5/1

2:00 pm-9:29 am

1 stop24h 29m

$808

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

Fri 4/24

9:17 am-10:00 am

2 stops19h 43m

London Gatwick

Fri 5/1

2:00 pm-7:41 am

1 stop22h 41m

$824

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 4/28

7:30 am-6:20 am

2 stops17h 50m

London Gatwick

Wed 4/29

2:00 pm-8:56 am

1 stop23h 56m

$827

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 4/28

7:30 am-6:20 am

2 stops17h 50m

London Gatwick

Fri 5/1

2:00 pm-9:29 am

1 stop24h 29m

$828
Quickest round-trip

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 5/21

5:45 am-6:20 am

2 stops19h 35m

London Gatwick

Wed 5/27

2:00 pm-11:29 pm

1 stop14h 29m

$834

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

15h 07m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 15h 07m
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 15h 07m 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
2,936 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
Crawley
Wembley
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/15
Fri 5/22
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 $515
Flights to London City Airportfrom $659
Flights to London Stansted Airportfrom $536
Flights to London Luton Airportfrom $563
Flights to Glasgow Intl Airportfrom $561
Flights to Belfast Intl Airportfrom $711
Flights to London Southend Airportfrom $662
Flights to Belfast City Airportfrom $711