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$1,020+ Cheap flights from Cardiff (CWL) to Philadelphia (PHL)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — PHL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Cardiff to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Philadelphia (PHL). 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 September 11, 2025.

Round-trip from

$1,020
(TravelUp)
From Cardiff Wales to Philadelphia
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Find flight deals from Cardiff to Philadelphia

Cheapest flights from Cardiff to Philadelphia
Explore the most affordable flight options available from Cardiff to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This TravelUp deal was found by Cheapflights users on 9/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:30 pmCWL - PHL
2 stops34h 19mVirgin Atlantic
Sun 11/25:20 pmPHL - CWL
2 stops35h 30mVirgin Atlantic
Deal found 9/11$1,020
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Sun 10/269:20 pmCWL - PHL
3 stops27h 37mMultiple Airlines
Sun 11/23:30 pmPHL - CWL
3 stops26h 35mMultiple Airlines
Deal found 9/11$1,175
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/259:00 amCWL - PHL
1 stop15h 00mMultiple Airlines
Sat 11/15:59 pmPHL - CWL
2 stops49h 06mMultiple Airlines
Deal found 9/10$1,356

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to Philadelphia 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 September 11, 2025.
Use the filters below to find and compare flights from Cardiff to Philadelphia that are best for you.

Fly from

Cardiff

Fly to

Philadelphia

Route

Depart

Return

Price

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sun 10/26

5:30 pm-11:49 pm

2 stops34h 19m

Philadelphia

Sun 11/2

5:20 pm-9:50 am

2 stops35h 30m

$1,020

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sun 10/26

9:20 pm-8:57 pm

3 stops27h 37m

Philadelphia

Sun 11/2

3:30 pm-11:05 pm

3 stops26h 35m

$1,175

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sat 10/25

9:00 am-7:00 pm

1 stop15h 00m

Philadelphia

Sat 11/1

5:59 pm-11:05 pm

2 stops49h 06m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Cardiff to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Cardiff 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.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Philadelphia

What is the cheapest month to book a flight from Cardiff to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Cardiff to Philadelphia (average of $236). Flying from Cardiff to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Philadelphia. 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 Cardiff to Philadelphia?

    Departing from Cardiff to Philadelphia will take you 34h 19m. Airlines will cover a distance of 3416 mi.

  • Can I find deals for flights from Cardiff to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Cardiff to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Philadelphia.

  • Can I find deals for business class flights from Cardiff to Philadelphia?

    Yes. Cheapflights offers flight deals from Cardiff to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Cardiff to Philadelphia (average of $236). Flying from Cardiff to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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