How long is the flight from Philadelphia to Cardiff?

Delta can get you from Philadelphia to Cardiff in just under 19h. Your travel time can differ by up to . Philadelphia and Cardiff are separated by a distance of 3416 mi.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from Philadelphia to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

£343+ Cheap Flights from Philadelphia to Cardiff

Cheap flight deals from Philadelphia to Cardiff

Enter your travel dates to find the best prices.

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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 15 October 2026.

Sun 29/1117:40 -

1 stop9h 30m

Sun 6/1214:25 -

1 stop30h 45m

Deal found 15/10£631

Fri 27/1117:40 -

1 stop9h 10m

Fri 4/1216:05 -

1 stop29h 05m

Deal found 13/10£658

Thu 26/1117:00 -

2 stops19h 00m

Thu 3/1210:20 -

2 stops18h 07m

Deal found 12/10£802

Thu 26/1106:41 -

3 stops27h 59m

Thu 3/1213:25 -

2 stops16h 19m

Deal found 12/10£900

Find flight deals from Philadelphia to Cardiff

Round-trip from	£631
One-way from	£343

29/11-6/12
2 total stops
40h 15m total
Philadelphia to Cardiff

Search Deals

10/12-31/12
2 total stops
35h 40m total
Philadelphia to Cardiff

Search Deals

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

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PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Thu 10/12

17:40-10:20

2 stops35h 40m

Cardiff Wales

Wed 31/12

00:00-18:00

Nonstop0h 00m

£343

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Sun 29/11

17:40-08:10

1 stop9h 30m

Cardiff Wales

Sun 6/12

14:25-16:10

1 stop30h 45m

£631

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Fri 27/11

17:40-07:50

1 stop9h 10m

Cardiff Wales

Fri 4/12

16:05-16:10

1 stop29h 05m

£658

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Thu 26/11

17:00-17:00

2 stops19h 00m

Cardiff Wales

Thu 3/12

10:20-23:27

2 stops18h 07m

£802

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Thu 26/11

06:41-15:40

3 stops27h 59m

Cardiff Wales

Thu 3/12

13:25-00:44

2 stops16h 19m

£900

PhiladelphiaCardiff

PHL Philadelphia - CWL Cardiff Wales

PHLCWL

Philadelphia

Sat 2/1

17:40-13:55

1 stop15h 15m

Cardiff Wales

Sun 10/1

14:25-01:31

2 stops40h 06m

£1,090

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Sorted by cheapest first

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.

PHL-CWL

Estimated return 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

How long is the flight from Philadelphia to Cardiff?
Delta can get you from Philadelphia to Cardiff in just under 19h. Your travel time can differ by up to . Philadelphia and Cardiff are separated by 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 holiday 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.

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Cheapflights helps you find that perfect flight to Cardiff from Philadelphia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Philadelphia to Cardiff with no change fees?

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Can Cheapflights notify me if prices for flights from Philadelphia to Cardiff become cheaper?

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Cheap flights from Philadelphia to Cardiff from £343

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Cardiff

Cheapest flights from Philadelphia to CardiffExplore 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 15 October 2026.

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 15 October 2026.

Best flights from Philadelphia to CardiffDiscover carefully curated flight deals from Philadelphia to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from Philadelphia to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Philadelphia to CardiffDiscover last-minute flight deals from Philadelphia to Cardiff. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to Cardiff. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Philadelphia to CardiffSearch for one-way flight options from Philadelphia to Cardiff. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from Philadelphia to Cardiff. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

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

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.

Related info for your journey

How long is the flight from Philadelphia to Cardiff?

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

How can I find direct flights from Philadelphia to Cardiff?

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

Travelling to a place near Cardiff?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Cardiff

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Other flights to Cardiff

Explore flights to Cardiff departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Complete your trip

Complete your trip to Cardiff by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Wales

Book a non-stop flight to one of these other cities located in Wales.

Search flights from Philadelphia to Cardiff by cabin class

Find flights from Philadelphia to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Philadelphia and Cardiff flights

Browse other Philadelphia and Cardiff flight options. Last updated on 15 October 2026.

Other flights from Philadelphia

Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

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How does Cheapflights help users find flights from Philadelphia to Cardiff?

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Can Cheapflights find flights from Philadelphia to Cardiff with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to Cardiff become cheaper?

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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 15 October 2026.

Best flights from Philadelphia to Cardiff
Discover carefully curated flight deals from Philadelphia to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Philadelphia to Cardiff
Discover last-minute flight deals from Philadelphia to Cardiff. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Philadelphia to Cardiff
Search for one-way flight options from Philadelphia to Cardiff. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.