PHL - CWL

$454 Find Cheap Flights from Philadelphia to Cardiff - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$870
Typical prices: $897-$1,058
Multiple Airlines
Tue 11/27Tue 12/4
PHL - CWL • 1 stop
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Cheap Flights from Philadelphia to Cardiff (PHL-CWL)

 

Cheap flights from Philadelphia to Cardiff with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
5:40 pm - 7:50 amPHL  Philadelphia-CWL Cardiff Wales
9h 10m1 stop Dublin
Multiple Airlines Logo
4:05 pm - 4:10 pmCWL  Cardiff Wales-PHL Philadelphia
29h 05m1 stop Dublin
$870Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
5:40 pm - 8:40 amPHL  Philadelphia-CWL Cardiff Wales
34h 00m2 stops Dublin Alicante
Multiple Airlines Logo
4:05 pm - 4:10 pmCWL  Cardiff Wales-PHL Philadelphia
29h 05m1 stop Dublin
$929Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
5:40 pm - 7:50 amPHL  Philadelphia-CWL Cardiff Wales
9h 10m1 stop Dublin
Multiple Airlines Logo
4:05 pm - 12:52 amCWL  Cardiff Wales-PHL Philadelphia
37h 47m3 stops Dublin Lisbon Humberto Delgado Orlando
$1,058Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Delta Logo
5:00 pm - 5:00 pmPHL  Philadelphia-CWL Cardiff Wales
19h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:20 am - 11:27 pmCWL  Cardiff Wales-PHL Philadelphia
18h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,061Delta
Thu, Mar 18 - Thu, Mar 25
Multiple Airlines Logo
1:00 pm - 9:50 amPHL  Philadelphia-CWL Cardiff Wales
16h 50m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Multiple Airlines Logo
10:20 am - 11:02 pmCWL  Cardiff Wales-PHL Philadelphia
16h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,173Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
6:41 am - 3:40 pmPHL  Philadelphia-CWL Cardiff Wales
27h 59m3 stops Detroit Metropolitan Wayne County Orlando Dublin
Multiple Airlines Logo
1:25 pm - 12:44 amCWL  Cardiff Wales-PHL Philadelphia
16h 19m2 stops Dublin Chicago O'Hare Intl
$1,190Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
6:41 am - 3:40 pmPHL  Philadelphia-CWL Cardiff Wales
27h 59m3 stops Detroit Metropolitan Wayne County Orlando Dublin
Multiple Airlines Logo
1:25 pm - 10:56 amCWL  Cardiff Wales-PHL Philadelphia
26h 31m3 stops Dublin Chicago O'Hare Intl Dallas/Fort Worth
$1,252Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
7:00 am - 7:50 amPHL  Philadelphia-CWL Cardiff Wales
19h 50m3 stops Atlanta Hartsfield-Jackson Chicago O'Hare Intl Dublin
Multiple Airlines Logo
4:05 pm - 12:52 amCWL  Cardiff Wales-PHL Philadelphia
37h 47m3 stops Dublin Lisbon Humberto Delgado Orlando
$1,262Multiple Airlines
Fri, Nov 27 - Fri, Dec 4
Multiple Airlines Logo
7:00 am - 7:50 amPHL  Philadelphia-CWL Cardiff Wales
19h 50m3 stops Atlanta Hartsfield-Jackson Chicago O'Hare Intl Dublin
Multiple Airlines Logo
4:05 pm - 4:15 pmCWL  Cardiff Wales-PHL Philadelphia
29h 10m2 stops Dublin London Heathrow
$1,305Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
5:40 pm - 3:40 pmPHL  Philadelphia-CWL Cardiff Wales
17h 00m2 stops Frankfurt am Main Dublin
Multiple Airlines Logo
1:25 pm - 4:10 pmCWL  Cardiff Wales-PHL Philadelphia
31h 45m1 stop Dublin
$1,401Multiple Airlines

Price, demand and travel trends for Philadelphia to Cardiff flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Philadelphia to Cardiff?

Delta ($1,061) offered the cheapest round-trip ticket from Philadelphia to Cardiff in the last 5 days.

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Key details for Philadelphia to Cardiff flights

Cheapest flight

$454
One-way flight from Philadelphia to Cardiff

When to book flights from Philadelphia to Cardiff

Are your dates flexible? Find out the best times to travel from Philadelphia to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Philadelphia to Cardiff flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Philadelphia to Cardiff?

    Only Economy Class is available on flights from Philadelphia to Cardiff.

  • Do I need a passport to fly from Philadelphia to Cardiff?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Philadelphia to Cardiff changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $870 to $5,463. That means the highest observed fare was about 6x higher than the lowest one.

  • What car rental options are available at Cardiff Wales Airport (CWL)?

    Cardiff Wales Airport (CWL) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

    • Alamo
    • Budget
    • Avis
    • Enterprise Rent-A-Car
    • National

  • Which airports can I use when flying from Philadelphia to Cardiff?

    Flights from Philadelphia to Cardiff usually depart from Philadelphia (PHL) and arrive at Cardiff Wales (CWL).

  • Can I save money by using flexible dates for flights from Philadelphia to Cardiff?

    Yes. Flexible dates can save you up to 57% on flights from Philadelphia to Cardiff. Wednesday is the cheapest departure day at $773 round-trip on average, while Friday is the most expensive at $1,785, a difference of $1,012.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Philadelphia and Cardiff?

    Cardiff is 5 hours ahead of Philadelphia (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Philadelphia to Cardiff flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $773, about $1,012 less than Friday fares (57% savings) based on the last 12 months.

More options for your flight from Philadelphia to Cardiff

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