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Cheap flights from Philadelphia to London from $346

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 7/22. 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

Find the cheapest flights from Philadelphia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:00 am - 1:15 pm
PHL
-
LCY
21h 15m
2 stops
Delta Logo
10:00 am - 10:38 pm
LCY
-
PHL
17h 38m
2 stops
$891Delta
Sat, Oct 3 - Mon, Oct 12
KLM Logo
10:43 am - 8:50 am
PHL
-
LCY
17h 07m
2 stops
KLM Logo
7:45 am - 10:16 pm
LCY
-
PHL
19h 31m
2 stops
$894KLM
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
8:50 pm - 2:05 pm
PHL
-
LCY
13h 15m
1 stop
Multiple Airlines Logo
6:50 am - 2:05 pm
LCY
-
PHL
12h 15m
1 stop
$904Multiple Airlines
Wed, Oct 28 - Wed, Dec 2
Multiple Airlines Logo
3:20 pm - 8:50 am
PHL
-
LCY
13h 30m
2 stops
Multiple Airlines Logo
6:50 am - 2:05 pm
LCY
-
PHL
12h 15m
1 stop
$908Multiple Airlines
Wed, Oct 28 - Wed, Dec 2
Multiple Airlines Logo
6:40 pm - 9:15 am
PHL
-
LCY
10h 35m
1 stop
Multiple Airlines Logo
6:50 am - 2:05 pm
LCY
-
PHL
12h 15m
1 stop
$912Multiple Airlines
Tue, Oct 27 - Tue, Nov 10
British Airways Logo
7:50 pm - 2:05 pm
PHL
-
LCY
13h 15m
1 stop
British Airways Logo
6:50 am - 2:05 pm
LCY
-
PHL
12h 15m
1 stop
$918British Airways
Wed, Nov 25 - Wed, Dec 9
Multiple Airlines Logo
9:10 pm - 12:40 pm
PHL
-
LCY
10h 30m
1 stop
Multiple Airlines Logo
6:50 am - 2:05 pm
LCY
-
PHL
12h 15m
1 stop
$919Multiple Airlines
Sun, Nov 1 - Wed, Nov 11
Delta Logo
6:00 am - 9:30 am
PHL
-
LCY
22h 30m
2 stops
Delta Logo
9:20 am - 7:15 pm
LCY
-
PHL
38h 55m
2 stops
$921Delta
Sun, Aug 9 - Wed, Aug 12
Multiple Airlines Logo
4:15 pm - 9:10 am
PHL
-
LCY
11h 55m
1 stop
Multiple Airlines Logo
7:15 pm - 4:05 pm
LCY
-
PHL
25h 50m
2 stops
$922Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Delta Logo
6:00 am - 7:15 am
PHL
-
LCY
44h 15m
2 stops
Delta Logo
9:20 am - 8:30 am
LCY
-
PHL
28h 10m
2 stops
$926Delta
Sun, Aug 9 - Sat, Aug 15

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Lufthansa flights from Philadelphia to London City Airport

Our best Lufthansa deals on Philadelphia to London City Airport flight tickets
Lufthansa
Oct 7
PHL5:40 pmPhiladelphia
19h 15m
1 stop
LCY5:55 pmLondon City
Oct 13
LCY9:15 amLondon City
11h 50m
1 stop
PHL4:05 pmPhiladelphia
$930
Lufthansa
Oct 7
PHL5:40 pmPhiladelphia
19h 15m
1 stop
LCY5:55 pmLondon City
Oct 14
LCY9:15 amLondon City
11h 50m
1 stop
PHL4:05 pmPhiladelphia
$931
Lufthansa
Oct 4
PHL5:40 pmPhiladelphia
19h 15m
1 stop
LCY5:55 pmLondon City
Oct 12
LCY6:30 pmLondon City
26h 35m
1 stop
PHL4:05 pmPhiladelphia
$973

SWISS flights from Philadelphia to London City Airport

Our best SWISS deals on Philadelphia to London City Airport flight tickets
SWISS
Sep 29
PHL5:40 pmPhiladelphia
13h 55m
2 stops
LCY12:35 pmLondon City
Oct 4
LCY7:15 pmLondon City
25h 50m
2 stops
PHL4:05 pmPhiladelphia
$952
SWISS
Oct 7
PHL5:40 pmPhiladelphia
13h 55m
2 stops
LCY12:35 pmLondon City
Oct 14
LCY7:15 pmLondon City
25h 50m
2 stops
PHL4:05 pmPhiladelphia
$975
SWISS
Oct 7
PHL5:40 pmPhiladelphia
13h 55m
2 stops
LCY12:35 pmLondon City
Oct 12
LCY7:15 pmLondon City
25h 50m
2 stops
PHL4:05 pmPhiladelphia
$976

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to London City 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 June 28, 2026.
Use the filters below to find and compare flights from Philadelphia to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Sat 10/3

11:00 am-1:15 pm

2 stops21h 15m

London City

Mon 10/12

10:00 am-10:38 pm

2 stops17h 38m

$891

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Mon 8/10

10:43 am-8:50 am

2 stops17h 07m

London City

Wed 8/19

7:45 am-10:16 pm

2 stops19h 31m

$894

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 10/28

8:50 pm-2:05 pm

1 stop13h 15m

London City

Wed 12/2

6:50 am-2:05 pm

1 stop12h 15m

$904

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 10/28

3:20 pm-8:50 am

2 stops13h 30m

London City

Wed 12/2

6:50 am-2:05 pm

1 stop12h 15m

$908

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Tue 10/27

6:40 pm-9:15 am

1 stop10h 35m

London City

Tue 11/10

6:50 am-2:05 pm

1 stop12h 15m

$912

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Wed 11/25

7:50 pm-2:05 pm

1 stop13h 15m

London City

Wed 12/9

6:50 am-2:05 pm

1 stop12h 15m

$918
Quickest round-trip

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Sun 11/1

9:10 pm-12:40 pm

1 stop10h 30m

London City

Wed 11/11

6:50 am-2:05 pm

1 stop12h 15m

$919

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Sun 8/9

6:00 am-9:30 am

2 stops22h 30m

London City

Wed 8/12

9:20 am-7:15 pm

2 stops38h 55m

$921

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Mon 9/28

4:15 pm-9:10 am

1 stop11h 55m

London City

Mon 10/5

7:15 pm-4:05 pm

2 stops25h 50m

$922

PhiladelphiaLondon

PHL - LCY

PHLLCY

Philadelphia

Sun 8/9

6:00 am-7:15 am

2 stops44h 15m

London City

Sat 8/15

9:20 am-8:30 am

2 stops28h 10m

$926

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 City 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 airline that flies from Philadelphia to London City?

Delta and SWISS are the most popular carriers operating from Philadelphia to London City

When to book flights from Philadelphia to London City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to London City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to London City Airport (PHL to LCY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London City Airport

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Philadelphia to London City Airport takes 10h 30m
There are no direct flights from Philadelphia to London City Airport. There are no popular flight routes from Philadelphia to London City Airport.
Search flight deals

Frequently asked questions about flying from Philadelphia to London City Airport

  • How far is Philadelphia to London City by plane?

    The distance between Philadelphia and London City is about 3546.0 mi. By plane, this route typically takes 10h 30m.

  • When did momondo last update prices for flights from Philadelphia Airport to London City Airport?

    Prices for flights from Philadelphia Airport to London City Airport refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to London City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to London City Airport.

  • What documentation or ID do you need to fly to London City Airport?

    The required travel and health documents for your London City 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 City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to London?

Finding the right flight to London from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Yes. All flights to London from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to London.

I’m not ready to book a flight from Philadelphia to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London City Airport trip

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