HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 16 — May 231
Sat 5/16
Sat 5/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Cardiff with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 16, 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 4/15. 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 American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:42 pm
PHL
-
CWL
3 stops16h 48m
Multiple Airlines
Fri 5/812:00 pm
CWL
-
PHL
2 stops30h 55m
Multiple Airlines
Deal found 4/14$4,694

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 16, 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 16, 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
Quickest round-trip

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

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

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

Fri 5/1

1:42 pm-11:30 am

3 stops16h 48m

Cardiff Wales

Fri 5/8

12:00 pm-1:55 pm

2 stops30h 55m

$4,694

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 $1,208, Delta can have you in Cardiff from Philadelphia in 22h 10m. Airlines will cover a distance of 3416 mi.

  • 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?

Book flights to Cardiff if you plan to visit one of these locations
Bridgend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.