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Cheap flights from Philadelphia to Cardiff from £570

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CWL
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Philadelphia to Cardiff
Explore the most affordable flight options available from Philadelphia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 May 2026.

Sun 14/610:05
PHL
-
CWL
2 stops19h 10m
Multiple Airlines
Wed 17/623:15
CWL
-
PHL
3 stops28h 29m
Multiple Airlines
Deal found 30/5£738
Tue 1/913:15
PHL
-
CWL
2 stops15h 00m
KLM
Wed 9/917:15
CWL
-
PHL
2 stops28h 00m
KLM
Deal found 26/5£752
Tue 1/917:20
PHL
-
CWL
2 stops18h 25m
KLM
Mon 14/917:15
CWL
-
PHL
2 stops28h 27m
KLM
Deal found 29/5£753
Wed 10/610:05
PHL
-
CWL
2 stops19h 10m
Multiple Airlines
Sat 13/611:35
CWL
-
PHL
1 stop16h 08m
Multiple Airlines
Deal found 26/5£758
Mon 17/810:05
PHL
-
CWL
3 stops31h 45m
Multiple Airlines
Fri 21/822:45
CWL
-
PHL
3 stops27h 49m
Multiple Airlines
Deal found 28/5£787
Tue 14/720:25
PHL
-
CWL
1 stop21h 25m
Multiple Airlines
Tue 28/711:35
CWL
-
PHL
2 stops28h 22m
Multiple Airlines
Deal found 26/5£793

Find flight deals from Philadelphia to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 May 2026.

Round-trip from

£752

One-way from

£570
KLM
  • KLM
  • 1/9-9/9
  • 4 total stops
  • 43h 00m total
  • Philadelphia to Cardiff
Search Deals
KLM
  • KLM
  • 10/6
  • 2 total stops
  • 16h 08m total
  • Philadelphia to Cardiff
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 30 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

13:15-09:15

2 stops15h 00m

Cardiff Wales

Wed 9/9

17:15-17:14

2 stops28h 59m

£752

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 1/9

17:20-16:45

2 stops18h 25m

Cardiff Wales

Mon 14/9

17:15-16:42

2 stops28h 27m

£753

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 14/7

12:36-09:15

2 stops15h 39m

Cardiff Wales

Tue 28/7

17:15-16:43

2 stops28h 28m

£845

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 13/7

13:10-09:15

2 stops15h 05m

Cardiff Wales

Mon 20/7

17:15-16:53

2 stops28h 38m

£846
Fastest return journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Fri 12/6

10:25-10:15

1 stop18h 50m

Cardiff Wales

Mon 15/6

11:35-21:33

2 stops14h 58m

£875

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 13/7

20:25-22:50

1 stop21h 25m

Cardiff Wales

Mon 20/7

11:35-16:43

2 stops34h 08m

£935

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 11/6

19:05-16:45

2 stops16h 40m

Cardiff Wales

Sun 14/6

17:15-16:36

2 stops28h 21m

£936
Cheapest one-way
Fastest single journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Wed 10/6

12:07-09:15

2 stops16h 08m

£570

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/6

18:57-16:45

2 stops16h 48m

£572

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sat 13/6

07:10-09:15

2 stops21h 05m

£626

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Sorted by cheapest first

Best time to book a flight from Philadelphia to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Philadelphia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Cardiff?

    KLM can get you from Philadelphia to Cardiff in just under 15h. Your travel time can differ by up to . Philadelphia and Cardiff are separated by a distance of 3416 mi.

  • Can I find deals for flights from Philadelphia to Cardiff that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Cardiff.

  • Can I find deals for business class flights from Philadelphia to Cardiff?

    Yes. Cheapflights offers flight deals from Philadelphia to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Cardiff?

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

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Philadelphia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Philadelphia to Cardiff with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to Cardiff, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Philadelphia to Cardiff become cheaper?

Yes! Start tracking prices for Philadelphia to Cardiff flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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