$705 Cheap Flights from Cardiff (CWL) to Philadelphia (PHL)

Popular airlines from Cardiff International Airport (CWL) to Philadelphia Intl. Airport (PHL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Cardiff to Philadelphia (CWL-PHL)

Prices were available within the past 7 days and start at $705 for one-way flights and $817 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Virgin Atlantic
Aer Lingus
British Airways

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL) cost?
Get a cheap one-way flight from $705 or cheap return flight from $817 from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from CWL to PHL is October, when demand is low. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline flying from CWL to PHL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL)?
There are no daily direct flights departing from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from CWL to PHL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL)?
To avoid potential delays on the Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from CWL to PHL are generally more expensive. To secure the lowest rates, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a CWL to PHL flight and hotel package?
You'll typically save money by securing a CWL to PHL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Philadelphia Intl. Airport (PHL)?
It's usually possible to cancel or reschedule your CWL to PHL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Cardiff Intl.
Destination airport
Philadelphia Intl.
Airlines serving
British Airways, Virgin Atlantic
Roundtrip price
$816
Distance
3418 mi

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.