In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest time of day to fly from CWL to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Philadelphia as you normally would.

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.

$574+ Flights from Cardiff to Philadelphia

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Cheap flight deals from Cardiff to Philadelphia

Round-trip from	$691 (Mytrip)
One-way from	$574 (Kiwi.com)

From Cardiff Wales to Philadelphia

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One-way flight 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 juillet 30, 2025.

ven. 9/1212:25 pmCWL - PHL

1 stop11h 35mMultiple Airlines

ven. 9/198:30 pmPHL - CWL

2 stops31h 45mMultiple Airlines

Deal found 7/29

$691

Best flights from Cardiff to Philadelphia
Discover carefully curated flight deals from Cardiff to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juillet 30, 2025.

ven. 9/1212:25 pmCWL - PHL

1 stop11h 35mMultiple Airlines

ven. 9/198:30 pmPHL - CWL

2 stops31h 45mMultiple Airlines

Deal found 7/29

$691

One-way flights from Cardiff to Philadelphia
Search for one-way flight options from Cardiff to Philadelphia. Find affordable one-way fares based on user searches. Data last updated juillet 30, 2025.

ven. 10/1712:25 pmCWL - PHL

1 stop11h 35mMultiple Airlines

Deal found 7/29

$574

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

ven. 9/12

12:25 pm-7:00 pm

1 stop11h 35m

Philadelphia

ven. 9/19

8:30 pm-9:15 am

2 stops31h 45m

$691

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

ven. 10/17

12:25 pm-7:00 pm

1 stop11h 35m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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.

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$574+ Cheap flights from Cardiff (CWL) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cardiff to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cardiff to Philadelphia

Round-trip from

One-way from

Find flight deals from Cardiff to Philadelphia

Cheapest flights from Cardiff to PhiladelphiaExplore 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 juillet 30, 2025.

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 juillet 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Philadelphia that are best for you.

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.

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?

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.

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

How can I find direct flights from Cardiff to Philadelphia?

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

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

Traveling to a place near Philadelphia?

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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 juillet 30, 2025.