Cheap flights from Philadelphia to Cardiff from £706
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 4 July 2025.
Find flight deals from Philadelphia to Cardiff
Cheapest flights from Philadelphia to CardiffExplore 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 4 July 2025.
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 4 July 2025.
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 4 July 2025.
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
PhiladelphiaCardiff
PHL - CWL
PHLCWL
Philadelphia
Sun 5/10
11:29-09:15
2 stops16h 46m
Cardiff Wales
Sat 11/10
17:35-16:19
2 stops27h 44m
PhiladelphiaCardiff
PHL - CWL
PHLCWL
Philadelphia
Sun 17/8
06:30-12:45
2 stops25h 15m
Cardiff Wales
Thu 21/8
07:55-19:00
1 stop16h 05m
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.
Reviews of airlines servicing Cardiff
Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 4 July 2025.
Get a feel of what it's like to fly with KLM from Philadelphia to Cardiff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Comfort
Boarding
Entertainment
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
Overall
Food
Comfort
Boarding
Entertainment
Crew
Reviews
Anonymous,Jun 2025
AMS - BOS
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.
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Alternative routes for Philadelphia to Cardiff
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How does Cheapflights help users find flights from Philadelphia to Cardiff?
When you search for this flight from Philadelphia to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
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.