PHL - CWL

$1,042 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
$902
Typical prices: $897-$985
Delta
Fri 10/5Sun 10/21
PHL - CWL • 2 stops
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Flight Deals

Cheap Flights from Philadelphia to Cardiff (PHL-CWL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Cardiff

Sun, Mar 7 - Sun, Mar 14
Multiple Airlines Logo
5:40 pm - 8:10 amPHL  Philadelphia-CWL Cardiff Wales
9h 30m1 stop Dublin
Multiple Airlines Logo
2:25 pm - 5:10 pmCWL  Cardiff Wales-PHL Philadelphia
30h 45m1 stop Dublin
$1,042Multiple Airlines
Fri, Oct 23 - Fri, Oct 30
KLM Logo
12:25 pm - 9:15 amPHL  Philadelphia-CWL Cardiff Wales
15h 50m2 stops Boston Logan Intl Amsterdam Schiphol
KLM Logo
10:20 am - 10:16 amCWL  Cardiff Wales-PHL Philadelphia
27h 56m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$1,067KLM
Sun, Mar 7 - Sun, Mar 14
KLM Logo
7:29 pm - 5:00 pmPHL  Philadelphia-CWL Cardiff Wales
16h 31m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
5:30 pm - 8:34 pmCWL  Cardiff Wales-PHL Philadelphia
31h 04m2 stops Amsterdam Schiphol Boston Logan Intl
$1,075KLM
Fri, Oct 23 - Fri, Oct 30
Multiple Airlines Logo
3:25 pm - 1:35 pmPHL  Philadelphia-CWL Cardiff Wales
17h 10m2 stops Montreal Pierre Elliott Trudeau Intl Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
4:05 pm - 10:56 pmCWL  Cardiff Wales-PHL Philadelphia
34h 51m3 stops Dublin London Heathrow Toronto Pearson Intl
$1,685Multiple Airlines
Fri, Oct 23 - Fri, Oct 30
Multiple Airlines Logo
8:25 pm - 9:30 amPHL  Philadelphia-CWL Cardiff Wales
32h 05m3 stops Dublin Edinburgh Turnhouse Belfast City
Multiple Airlines Logo
4:05 pm - 10:56 pmCWL  Cardiff Wales-PHL Philadelphia
34h 51m3 stops Dublin London Heathrow Toronto Pearson Intl
$1,869Multiple Airlines
Booking Insights

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 from Philadelphia to Cardiff with more confidence.

How much is a round-trip flight from Philadelphia to Cardiff?

Round-trip flights from Philadelphia to Cardiff start at $902. Prices are typical for this route right now, with typical round-trip fares ranging from $897 to $985. The lowest price found in the past 5 days was $902 on Delta.

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Key details for Philadelphia to Cardiff flights

Cheapest flight

$902
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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. Being flexible with your travel dates can save you up to 16% on the Philadelphia to Cardiff route. Friday is the cheapest departure day at $897 round-trip on average, while Monday is the most expensive at $1,058, a difference of $161. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 $902 to $1,869. That means the highest observed fare was about 2x higher than the lowest one.

  • 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.

  • 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
    · Enterprise Rent-A-Car
    · Avis
    · National

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 can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $897 - about $161 less than Monday (15% savings) based on the last 12 months.

More options for your flight from Philadelphia to Cardiff

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