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Cheap flights from Philadelphia to London from $202

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 2/4. 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

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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
12:24 pm - 10:00 am
PHL
-
LGW
16h 36m2 stops
Multiple Airlines Logo
2:00 pm - 2:44 pm
LGW
-
PHL
29h 44m1 stop
$609Multiple Airlines
vie., ene. 23 - lun., ene. 26
Multiple Airlines Logo
5:30 am - 10:00 am
PHL
-
LGW
23h 30m1 stop
Multiple Airlines Logo
2:00 pm - 3:41 pm
LGW
-
PHL
30h 41m2 stops
$614Multiple Airlines
vie., ene. 16 - lun., ene. 19
Multiple Airlines Logo
10:45 pm - 10:00 am
PHL
-
LGW
30h 15m1 stop
Multiple Airlines Logo
9:40 am - 1:45 pm
LGW
-
PHL
33h 05m2 stops
$617Multiple Airlines
dom., feb. 1 - dom., feb. 8
Multiple Airlines Logo
8:34 pm - 6:00 am
PHL
-
LGW
28h 26m2 stops
Multiple Airlines Logo
2:00 pm - 9:59 am
LGW
-
PHL
24h 59m1 stop
$620Multiple Airlines
lun., ene. 19 - jue., ene. 29
Multiple Airlines Logo
7:50 am - 2:00 pm
PHL
-
LGW
25h 10m2 stops
Multiple Airlines Logo
7:20 pm - 2:47 pm
LGW
-
PHL
24h 27m3 stops
$622Multiple Airlines
mar., ene. 20 - lun., ene. 26
Multiple Airlines Logo
6:00 am - 6:00 am
PHL
-
LGW
19h 00m2 stops
Multiple Airlines Logo
2:00 pm - 12:40 am
LGW
-
PHL
15h 40m1 stop
$628Multiple Airlines
mié., feb. 11 - jue., feb. 19
Multiple Airlines Logo
8:43 pm - 10:00 am
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
2:00 pm - 8:44 am
LGW
-
PHL
47h 44m2 stops
$629Multiple Airlines
mié., ene. 28 - lun., feb. 16
Multiple Airlines Logo
5:30 am - 10:00 am
PHL
-
LGW
23h 30m1 stop
Multiple Airlines Logo
2:00 pm - 10:03 pm
LGW
-
PHL
37h 03m1 stop
$630Multiple Airlines
jue., ene. 15 - lun., ene. 19
Multiple Airlines Logo
8:43 pm - 10:00 am
PHL
-
LGW
32h 17m1 stop
Multiple Airlines Logo
2:00 pm - 10:03 pm
LGW
-
PHL
37h 03m1 stop
$632Multiple Airlines
mié., ene. 14 - lun., ene. 19
Multiple Airlines Logo
9:02 am - 10:00 am
PHL
-
LGW
19h 58m1 stop
Multiple Airlines Logo
1:00 pm - 5:01 pm
LGW
-
PHL
57h 01m2 stops
$633Multiple Airlines
lun., ene. 19 - dom., ene. 25

SWISS flights from Philadelphia to London Gatwick Airport

Our best SWISS deals on Philadelphia to London Gatwick Airport flight tickets
SWISS
Jan 26
PHL1:10 pmPhiladelphia
23h 40m
2 stops
LGW5:50 pmLondon Gatwick
Feb 4
LGW6:40 pmLondon Gatwick
31h 56m
2 stops
PHL9:36 pmPhiladelphia
$659
Find similar
SWISS
Jan 8
PHL5:40 pmPhiladelphia
19h 10m
2 stops
LGW5:50 pmLondon Gatwick
Jan 14
LGW6:40 pmLondon Gatwick
26h 25m
2 stops
PHL4:05 pmPhiladelphia
$695
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 diciembre 9, 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

vie. 1/23

12:24 pm-10:00 am

2 stops16h 36m

London Gatwick

lun. 1/26

2:00 pm-2:44 pm

1 stop29h 44m

$609

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

vie. 1/16

5:30 am-10:00 am

1 stop23h 30m

London Gatwick

lun. 1/19

2:00 pm-3:41 pm

2 stops30h 41m

$614

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

dom. 2/1

10:45 pm-10:00 am

1 stop30h 15m

London Gatwick

dom. 2/8

9:40 am-1:45 pm

2 stops33h 05m

$617

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

lun. 1/19

8:34 pm-6:00 am

2 stops28h 26m

London Gatwick

jue. 1/29

2:00 pm-9:59 am

1 stop24h 59m

$620

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mar. 1/20

7:50 am-2:00 pm

2 stops25h 10m

London Gatwick

lun. 1/26

7:20 pm-2:47 pm

3 stops24h 27m

$622

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 2/11

6:00 am-6:00 am

2 stops19h 00m

London Gatwick

jue. 2/19

2:00 pm-12:40 am

1 stop15h 40m

$628

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 1/28

8:43 pm-10:00 am

1 stop32h 17m

London Gatwick

lun. 2/16

2:00 pm-8:44 am

2 stops47h 44m

$629

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

jue. 1/15

5:30 am-10:00 am

1 stop23h 30m

London Gatwick

lun. 1/19

2:00 pm-10:03 pm

1 stop37h 03m

$630

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

mié. 1/14

8:43 pm-10:00 am

1 stop32h 17m

London Gatwick

lun. 1/19

2:00 pm-10:03 pm

1 stop37h 03m

$632

PhiladelphiaLondon

PHL - LGW

PHLLGW

Philadelphia

lun. 1/19

9:02 am-10:00 am

1 stop19h 58m

London Gatwick

dom. 1/25

1:00 pm-5:01 pm

2 stops57h 01m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

13h 20m

Direct flights

None
The fastest flight from Philadelphia to London Gatwick Airport takes 13h 20m
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 12h 45m 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
7,571 reviews
Search British Airways flights
JetBluePriceFrom $601Free CancellationRating
7.2
2,899 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
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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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