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Cheap flights from Philadelphia to London from $195

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 2/1. 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

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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
9:50 am - 10:00 am
PHL
-
LGW
19h 10m1 stop
Multiple Airlines Logo
2:00 pm - 2:56 pm
LGW
-
PHL
29h 56m2 stops
$612Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
3:30 pm - 7:25 pm
PHL
-
LGW
22h 55m2 stops
Multiple Airlines Logo
8:15 pm - 2:47 pm
LGW
-
PHL
23h 32m3 stops
$615Multiple Airlines
Mon, Jan 12 - Tue, Jan 20
Multiple Airlines Logo
8:43 pm - 10:00 am
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
1:00 pm - 11:14 am
LGW
-
PHL
51h 14m2 stops
$617Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
3:54 pm - 10:00 am
PHL
-
LGW
13h 06m1 stop
Multiple Airlines Logo
9:40 am - 1:45 pm
LGW
-
PHL
33h 05m2 stops
$618Multiple Airlines
Mon, Feb 2 - Sun, Feb 8
Multiple Airlines Logo
7:50 am - 2:20 pm
PHL
-
LGW
25h 30m3 stops
Multiple Airlines Logo
8:15 pm - 2:47 pm
LGW
-
PHL
23h 32m3 stops
$619Multiple Airlines
Mon, Jan 12 - Tue, Jan 20
Multiple Airlines Logo
8:43 pm - 10:00 am
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
1:00 pm - 3:37 pm
LGW
-
PHL
31h 37m2 stops
$623Multiple Airlines
Wed, Jan 28 - Tue, Feb 3
Multiple Airlines Logo
5:30 am - 10:00 am
PHL
-
LGW
23h 30m1 stop
Multiple Airlines Logo
1:00 pm - 5:12 pm
LGW
-
PHL
33h 12m2 stops
$627Multiple Airlines
Thu, Feb 5 - Tue, Feb 10
Multiple Airlines Logo
3:30 pm - 7:05 pm
PHL
-
LGW
22h 35m2 stops
Multiple Airlines Logo
8:20 am - 10:46 pm
LGW
-
PHL
19h 26m3 stops
$629Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
3:54 pm - 10:00 am
PHL
-
LGW
13h 06m1 stop
Multiple Airlines Logo
2:00 pm - 9:59 am
LGW
-
PHL
24h 59m1 stop
$631Multiple Airlines
Fri, Jan 30 - Thu, Feb 5
Multiple Airlines Logo
8:43 pm - 10:00 am
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
1:00 pm - 10:37 am
LGW
-
PHL
26h 37m2 stops
$633Multiple Airlines
Wed, Jan 14 - Tue, Feb 3

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 December 18, 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

Thu 2/26

9:50 am-10:00 am

1 stop19h 10m

London Gatwick

Mon 3/2

2:00 pm-2:56 pm

2 stops29h 56m

$612

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 1/12

3:30 pm-7:25 pm

2 stops22h 55m

London Gatwick

Tue 1/20

8:15 pm-2:47 pm

3 stops23h 32m

$615

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Sun 1/18

8:43 pm-10:00 am

1 stop32h 17m

London Gatwick

Sun 1/25

1:00 pm-11:14 am

2 stops51h 14m

$617

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 2/2

3:54 pm-10:00 am

1 stop13h 06m

London Gatwick

Sun 2/8

9:40 am-1:45 pm

2 stops33h 05m

$618

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 1/12

7:50 am-2:20 pm

3 stops25h 30m

London Gatwick

Tue 1/20

8:15 pm-2:47 pm

3 stops23h 32m

$619

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 1/28

8:43 pm-10:00 am

1 stop32h 17m

London Gatwick

Tue 2/3

1:00 pm-3:37 pm

2 stops31h 37m

$623

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/5

5:30 am-10:00 am

1 stop23h 30m

London Gatwick

Tue 2/10

1:00 pm-5:12 pm

2 stops33h 12m

$627

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Tue 1/13

3:30 pm-7:05 pm

2 stops22h 35m

London Gatwick

Tue 1/20

8:20 am-10:46 pm

3 stops19h 26m

$629

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Fri 1/30

3:54 pm-10:00 am

1 stop13h 06m

London Gatwick

Thu 2/5

2:00 pm-9:59 am

1 stop24h 59m

$631

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 1/14

8:43 pm-10:00 am

1 stop32h 17m

London Gatwick

Tue 2/3

1:00 pm-10:37 am

2 stops26h 37m

$633

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 10h 00m
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 10h 00m 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
7,583 reviews
Search British Airways flights
JetBluePriceFrom $601Free CancellationRating
7.2
2,895 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
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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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