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Cardiff

$1,150+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CWL
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:44 pm
PHL
-
CWL
3 stops32h 31m
Multiple Airlines
Thu 6/411:35 am
CWL
-
PHL
2 stops26h 50m
Multiple Airlines
Deal found 4/13$1,150
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Tue 6/98:25 pm
PHL
-
CWL
1 stop21h 40m
Multiple Airlines
Tue 6/164:15 pm
CWL
-
PHL
2 stops31h 40m
Multiple Airlines
Deal found 4/15$1,176
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 5/16:05 am
PHL
-
CWL
2 stops22h 10m
Delta
Fri 5/89:45 am
CWL
-
PHL
2 stops17h 27m
Delta
Deal found 4/14$1,208
This KLM deal was found by Cheapflights users on 4/17. 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.
Fri 5/111:34 am
PHL
-
CWL
2 stops16h 41m
KLM
Fri 5/89:45 am
CWL
-
PHL
2 stops20h 12m
KLM
Deal found 4/17$1,210
This Delta deal was found by Cheapflights users on 4/17. 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 8/131:00 pm
PHL
-
CWL
2 stops22h 45m
Delta
Mon 8/179:45 am
CWL
-
PHL
2 stops20h 16m
Delta
Deal found 4/17$1,236
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 8/138:25 pm
PHL
-
CWL
1 stop20h 55m
Multiple Airlines
Mon 8/1710:10 pm
CWL
-
PHL
1 stop25h 45m
Multiple Airlines
Deal found 4/17$1,245
This KLM deal was found by Cheapflights users on 4/15. 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 6/96:57 pm
PHL
-
CWL
2 stops16h 48m
KLM
Tue 6/165:15 pm
CWL
-
PHL
2 stops28h 21m
KLM
Deal found 4/15$1,261
This Delta deal was found by Cheapflights users on 4/16. 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 6/95:22 pm
PHL
-
CWL
2 stops18h 23m
Delta
Tue 6/169:55 am
CWL
-
PHL
2 stops20h 04m
Delta
Deal found 4/16$1,263

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,150
(Mytrip)
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
Search Deals

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 April 18, 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

Thu 5/28

8:44 pm-10:15 am

3 stops32h 31m

Cardiff Wales

Thu 6/4

11:35 am-9:25 am

2 stops26h 50m

$1,150

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Fri 5/1

6:05 am-9:15 am

2 stops22h 10m

Cardiff Wales

Fri 5/8

9:45 am-10:12 pm

2 stops17h 27m

$1,208
Quickest round-trip

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Fri 5/1

11:34 am-9:15 am

2 stops16h 41m

Cardiff Wales

Fri 5/8

9:45 am-12:57 am

2 stops20h 12m

$1,210

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 6/9

2:57 pm-10:15 am

3 stops38h 18m

Cardiff Wales

Tue 6/16

11:35 am-11:32 pm

3 stops40h 57m

$1,212

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 8/13

1:00 pm-4:45 pm

2 stops22h 45m

Cardiff Wales

Mon 8/17

9:45 am-1:01 am

2 stops20h 16m

$1,236

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 6/9

6:57 pm-4:45 pm

2 stops16h 48m

Cardiff Wales

Tue 6/16

5:15 pm-4:36 pm

2 stops28h 21m

$1,261

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 6/9

5:22 pm-4:45 pm

2 stops18h 23m

Cardiff Wales

Tue 6/16

9:55 am-12:59 am

2 stops20h 04m

$1,263

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 8/13

11:34 am-10:15 am

3 stops41h 41m

Cardiff Wales

Mon 8/17

11:35 am-9:34 pm

2 stops14h 59m

$1,736

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Cardiff flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $1,210, Delta can have you in Cardiff from Philadelphia in 16h 41m. 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

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