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Cheap flights from Philadelphia to Cardiff from £869

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CWL
18 May — 25 May1
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 18 April 2026.

Tue 9/620:25
PHL
-
CWL
1 stop21h 40m
Multiple Airlines
Tue 16/616:15
CWL
-
PHL
2 stops31h 40m
Multiple Airlines
Deal found 15/4£869
Fri 1/506:05
PHL
-
CWL
2 stops22h 10m
Delta
Fri 8/509:45
CWL
-
PHL
2 stops17h 27m
Delta
Deal found 14/4£893
Fri 1/511:34
PHL
-
CWL
2 stops16h 41m
KLM
Fri 8/509:45
CWL
-
PHL
2 stops20h 12m
KLM
Deal found 17/4£894
Thu 13/813:00
PHL
-
CWL
2 stops22h 45m
Delta
Mon 17/809:45
CWL
-
PHL
2 stops20h 16m
Delta
Deal found 17/4£913
Thu 13/820:25
PHL
-
CWL
1 stop20h 55m
Multiple Airlines
Mon 17/822:10
CWL
-
PHL
1 stop25h 45m
Multiple Airlines
Deal found 17/4£920
Tue 9/618:57
PHL
-
CWL
2 stops16h 48m
KLM
Tue 16/617:15
CWL
-
PHL
2 stops28h 21m
KLM
Deal found 15/4£932
Tue 9/617:22
PHL
-
CWL
2 stops18h 23m
Delta
Tue 16/609:55
CWL
-
PHL
2 stops20h 04m
Delta
Deal found 16/4£933

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 18 April 2026.

Round-trip from

£869
9/6-16/6
  • 9/6-16/6
  • 3 total stops
  • 53h 20m 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 18 April 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

Fri 1/5

06:05-09:15

2 stops22h 10m

Cardiff Wales

Fri 8/5

09:45-22:12

2 stops17h 27m

£893
Fastest return journey

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Fri 1/5

11:34-09:15

2 stops16h 41m

Cardiff Wales

Fri 8/5

09:45-00:57

2 stops20h 12m

£894

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/6

14:57-10:15

3 stops38h 18m

Cardiff Wales

Tue 16/6

11:35-23:32

3 stops40h 57m

£896

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 13/8

13:00-16:45

2 stops22h 45m

Cardiff Wales

Mon 17/8

09:45-01:01

2 stops20h 16m

£913

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/6

18:57-16:45

2 stops16h 48m

Cardiff Wales

Tue 16/6

17:15-16:36

2 stops28h 21m

£932

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/6

17:22-16:45

2 stops18h 23m

Cardiff Wales

Tue 16/6

09:55-00:59

2 stops20h 04m

£933

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 13/8

11:34-10:15

3 stops41h 41m

Cardiff Wales

Mon 17/8

11:35-21:34

2 stops14h 59m

£1,283

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Fri 1/5

13:42-11:30

3 stops16h 48m

Cardiff Wales

Fri 8/5

12:00-13:55

2 stops30h 55m

£3,468

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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?

    Delta and KLM can get you from Philadelphia to Cardiff in just under 16h 41m. Your travel time can differ by up to 5h 29m. Philadelphia and Cardiff are separated by a distance of 3416 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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