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Cardiff

$1,098+ Cheap flights from Philadelphia (PHL) to Cardiff (CWL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CWL
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Philadelphia to Cardiff

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 August 2, 2026.

This KLM deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:15 pm
PHL
-
CWL
2 stops15h 00m
KLM
Mon 9/145:15 pm
CWL
-
PHL
2 stops29h 49m
KLM
Deal found 7/30$1,098
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:30 am
PHL
-
CWL
2 stops18h 45m
Delta
Wed 9/99:45 am
CWL
-
PHL
2 stops17h 08m
Delta
Deal found 8/1$1,100
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:50 pm
PHL
-
CWL
1 stop31h 25m
Multiple Airlines
Sat 9/1211:35 am
CWL
-
PHL
2 stops17h 34m
Multiple Airlines
Deal found 7/29$1,128
This Expedia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:55 pm
PHL
-
CWL
2 stops35h 20m
KLM
Sat 9/129:45 am
CWL
-
PHL
2 stops43h 55m
KLM
Deal found 7/29$1,137
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
PHL
-
CWL
2 stops22h 15m
Delta
Thu 9/39:45 am
CWL
-
PHL
2 stops16h 52m
Delta
Deal found 7/28$1,149
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:25 pm
PHL
-
CWL
1 stop29h 30m
Multiple Airlines
Thu 9/310:50 pm
CWL
-
PHL
1 stop25h 05m
Multiple Airlines
Deal found 7/28$1,218

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 August 2, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,098
(KLM)
Provider with most accurate pricing for Philadelphia-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Cardiff Wales flights.
Search Deals
From Philadelphia to Cardiff Wales
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 2, 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 round-trip

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

1:15 pm-9:15 am

2 stops15h 00m

Cardiff Wales

Mon 9/14

5:15 pm-6:04 pm

2 stops29h 49m

$1,098
Quickest round-trip

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

9:30 am-9:15 am

2 stops18h 45m

Cardiff Wales

Wed 9/9

9:45 am-9:53 pm

2 stops17h 08m

$1,098

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sat 9/5

4:55 pm-9:15 am

2 stops35h 20m

Cardiff Wales

Sat 9/12

9:45 am-12:40 am

2 stops43h 55m

$1,137

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 8/27

6:00 am-9:15 am

2 stops22h 15m

Cardiff Wales

Thu 9/3

9:45 am-9:37 pm

2 stops16h 52m

$1,149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Sorted by cheapest first

Compare providers for flights from Philadelphia to Cardiff

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Cardiff in August.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Cardiff flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Philadelphia-Cardiff flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Philadelphia-Cardiff flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Cardiff flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

    For as low as $1,098, KLM can have you in Cardiff from Philadelphia in 15h. Airlines will cover a distance of 3416 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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

Traveling to a place near Cardiff?

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