Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to Cardiff from £756

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Cardiff departing on 1/9. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
19:59 - 16:45
PHL
-
CWL
15h 46m
2 stops
KLM Logo
17:15 - 16:15
CWL
-
PHL
28h 00m
2 stops
£757KLM
Tue, 1 Sep - Wed, 9 Sep
KLM Logo
19:59 - 16:45
PHL
-
CWL
15h 46m
2 stops
KLM Logo
17:15 - 16:15
CWL
-
PHL
28h 00m
2 stops
£757KLM
Tue, 1 Sep - Wed, 9 Sep
Multiple Airlines Logo
20:25 - 23:25
PHL
-
CWL
22h 00m
1 stop
Multiple Airlines Logo
22:10 - 18:55
CWL
-
PHL
25h 45m
1 stop
£777Multiple Airlines
Tue, 1 Sep - Mon, 14 Sep
Multiple Airlines Logo
16:20 - 10:15
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 - 21:33
CWL
-
PHL
14h 58m
2 stops
£778Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
16:20 - 10:15
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 - 22:43
CWL
-
PHL
16h 08m
1 stop
£779Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
16:20 - 10:15
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 - 22:43
CWL
-
PHL
16h 08m
1 stop
£783Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
10:05 - 10:15
PHL
-
CWL
19h 10m
2 stops
Multiple Airlines Logo
11:35 - 22:43
CWL
-
PHL
16h 08m
1 stop
£790Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
KLM Logo
19:59 - 16:45
PHL
-
CWL
15h 46m
2 stops
KLM Logo
09:45 - 22:37
CWL
-
PHL
17h 52m
2 stops
£794KLM
Tue, 1 Sep - Mon, 14 Sep
KLM Logo
19:59 - 16:45
PHL
-
CWL
15h 46m
2 stops
KLM Logo
09:45 - 19:58
CWL
-
PHL
15h 13m
2 stops
£795KLM
Tue, 1 Sep - Mon, 14 Sep
Multiple Airlines Logo
10:05 - 10:15
PHL
-
CWL
19h 10m
2 stops
Multiple Airlines Logo
11:35 - 21:33
CWL
-
PHL
14h 58m
2 stops
£798Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun

KLM flights from Philadelphia to Cardiff

Our best KLM deals on Philadelphia to Cardiff flight tickets
KLM
1 Sept
PHL19:59Philadelphia
15h 46m
2 stops
CWL16:45Cardiff Wales
9 Sept
CWL17:15Cardiff Wales
28h 00m
2 stops
PHL16:15Philadelphia
£756
KLM
1 Sept
PHL19:59Philadelphia
15h 46m
2 stops
CWL16:45Cardiff Wales
9 Sept
CWL17:15Cardiff Wales
28h 00m
2 stops
PHL16:15Philadelphia
£757
KLM
1 Sept
PHL19:59Philadelphia
15h 46m
2 stops
CWL16:45Cardiff Wales
14 Sept
CWL09:45Cardiff Wales
17h 52m
2 stops
PHL22:37Philadelphia
£794

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to Cardiff 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 279,928 searches. Data last updated 19 May 2026.
Use the filters below to find and compare flights from Philadelphia to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

19:59-16:45

2 stops15h 46m

Cardiff Wales

Wed 9/9

17:15-16:15

2 stops28h 00m

£756

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

19:59-16:45

2 stops15h 46m

Cardiff Wales

Wed 9/9

17:15-16:15

2 stops28h 00m

£757

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

20:25-23:25

1 stop22h 00m

Cardiff Wales

Mon 14/9

22:10-18:55

1 stop25h 45m

£777
Fastest return journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 1/6

16:20-10:15

1 stop12h 55m

Cardiff Wales

Thu 4/6

11:35-21:33

2 stops14h 58m

£778

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 1/6

16:20-10:15

1 stop12h 55m

Cardiff Wales

Thu 4/6

11:35-22:43

1 stop16h 08m

£779

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 1/6

16:20-10:15

1 stop12h 55m

Cardiff Wales

Thu 4/6

11:35-22:43

1 stop16h 08m

£783

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 1/6

10:05-10:15

2 stops19h 10m

Cardiff Wales

Thu 4/6

11:35-22:43

1 stop16h 08m

£790

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

19:59-16:45

2 stops15h 46m

Cardiff Wales

Mon 14/9

09:45-22:37

2 stops17h 52m

£794

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

19:59-16:45

2 stops15h 46m

Cardiff Wales

Mon 14/9

09:45-19:58

2 stops15h 13m

£795

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 1/6

10:05-10:15

2 stops19h 10m

Cardiff Wales

Thu 4/6

11:35-21:33

2 stops14h 58m

£798

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Philadelphia to Cardiff

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

Cheap Philadelphia to Cardiff (PHL to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Cardiff

Fastest flight time

15h 46m

Direct flights

None
The fastest flight from Philadelphia to Cardiff takes 15h 46m
There are no direct flights from Philadelphia to Cardiff. There are no popular flight routes from Philadelphia to Cardiff.
Search flight deals

Frequently asked questions about flying from Philadelphia to Cardiff

  • How far is Philadelphia to Cardiff Wales by plane?

    The distance between Philadelphia and Cardiff Wales is about 3414.0 mi. By plane, this route typically takes 15h 46m.

  • When did momondo last update prices for flights from Philadelphia Airport to Cardiff Wales Airport?

    Prices for flights from Philadelphia Airport to Cardiff Wales Airport were last updated today.

  • How old do you have to be to fly from Philadelphia Airport to Cardiff Wales 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 Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Philadelphia to Cardiff

  • How do I get Price Alerts for flights from Philadelphia to Cardiff?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Philadelphia from Cardiff. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Philadelphia to Cardiff with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Cardiff . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Philadelphia to Cardiff on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from Philadelphia.

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

Of course. momondo tracks the price of Philadelphia to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organise 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
Thu 18/6
Thu 25/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport