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Cheap flights from Philadelphia to London from $184

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 2/5. 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
3:54 pm - 10:00 amPHL-LGW
13h 06m1 stop
Multiple Airlines Logo
2:00 pm - 3:41 pmLGW-PHL
30h 41m2 stops
$632Multiple Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
5:30 am - 10:00 amPHL-LGW
23h 30m1 stop
Multiple Airlines Logo
2:00 pm - 11:14 pmLGW-PHL
38h 14m2 stops
$636Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
5:30 am - 6:00 amPHL-LGW
19h 30m2 stops
Multiple Airlines Logo
2:00 pm - 12:40 amLGW-PHL
15h 40m1 stop
$638Multiple Airlines
Find Deal
Wed, Feb 25 - Thu, Feb 26
Multiple Airlines Logo
10:00 pm - 10:00 amPHL-LGW
31h 00m1 stop
Multiple Airlines Logo
2:00 pm - 10:31 amLGW-PHL
25h 31m1 stop
$640Multiple Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
3:56 pm - 10:00 amPHL-LGW
13h 04m1 stop
Multiple Airlines Logo
4:10 pm - 10:56 amLGW-PHL
47h 46m2 stops
$641Multiple Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
2:06 pm - 10:00 amPHL-LGW
14h 54m1 stop
Multiple Airlines Logo
2:10 pm - 7:48 pmLGW-PHL
34h 38m1 stop
$643Multiple Airlines
Find Deal
Mon, Dec 15 - Sun, Jan 11
Multiple Airlines Logo
6:00 am - 6:00 amPHL-LGW
19h 00m2 stops
Multiple Airlines Logo
2:00 pm - 12:40 amLGW-PHL
15h 40m1 stop
$644Multiple Airlines
Find Deal
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
12:32 pm - 10:00 amPHL-LGW
16h 28m1 stop
Multiple Airlines Logo
2:00 pm - 12:40 amLGW-PHL
15h 40m1 stop
$648Multiple Airlines
Find Deal
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
6:49 pm - 10:00 amPHL-LGW
34h 11m1 stop
Multiple Airlines Logo
9:50 am - 10:56 amLGW-PHL
30h 06m2 stops
$652Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
12:32 pm - 10:00 amPHL-LGW
16h 28m1 stop
Multiple Airlines Logo
2:00 pm - 12:40 amLGW-PHL
14h 40m1 stop
$655Multiple Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9

TAP AIR PORTUGAL flights from Philadelphia to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Philadelphia to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Nov 28
PHL4:50 pmPhiladelphia
34h 30m
3 stops
LGW8:20 amLondon Gatwick
Dec 12
LGW9:25 pmLondon Gatwick
41h 14m
3 stops
PHL9:39 amPhiladelphia
$894
Find similar
TAP AIR PORTUGAL
Dec 5
PHL6:00 amPhiladelphia
28h 45m
2 stops
LGW3:45 pmLondon Gatwick
Dec 10
LGW4:35 pmLondon Gatwick
46h 04m
2 stops
PHL9:39 amPhiladelphia
$899
Find similar
TAP AIR PORTUGAL
Dec 8
PHL10:24 amPhiladelphia
18h 26m
2 stops
LGW9:50 amLondon Gatwick
Dec 13
LGW10:10 amLondon Gatwick
40h 38m
3 stops
PHL9:48 pmPhiladelphia
$1,046
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 November 24, 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 1/29

3:54 pm-10:00 am

1 stop13h 06m

London Gatwick

Mon 2/2

2:00 pm-3:41 pm

2 stops30h 41m

$632

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 1/15

5:30 am-10:00 am

1 stop23h 30m

London Gatwick

Mon 1/19

2:00 pm-11:14 pm

2 stops38h 14m

$636

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 2/25

5:30 am-6:00 am

2 stops19h 30m

London Gatwick

Thu 2/26

2:00 pm-12:40 am

1 stop15h 40m

$638

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/26

10:00 pm-10:00 am

1 stop31h 00m

London Gatwick

Mon 3/2

2:00 pm-10:31 am

1 stop25h 31m

$640

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 1/8

3:56 pm-10:00 am

1 stop13h 04m

London Gatwick

Tue 1/13

4:10 pm-10:56 am

2 stops47h 46m

$641

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 12/15

2:06 pm-10:00 am

1 stop14h 54m

London Gatwick

Sun 1/11

2:10 pm-7:48 pm

1 stop34h 38m

$643

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Mon 2/23

6:00 am-6:00 am

2 stops19h 00m

London Gatwick

Fri 2/27

2:00 pm-12:40 am

1 stop15h 40m

$644

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 2/19

12:32 pm-10:00 am

1 stop16h 28m

London Gatwick

Thu 2/26

2:00 pm-12:40 am

1 stop15h 40m

$648

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Wed 1/7

6:49 pm-10:00 am

1 stop34h 11m

London Gatwick

Wed 1/14

9:50 am-10:56 am

2 stops30h 06m

$652

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

Thu 3/5

12:32 pm-10:00 am

1 stop16h 28m

London Gatwick

Mon 3/9

2:00 pm-12:40 am

1 stop14h 40m

$655

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

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.
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  • 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 30m 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
7,535 reviews
Search British Airways flights
JetBluePriceFrom $601Free CancellationRating
7.2
2,903 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
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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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