You’ve searched for flights from Cardiff to Philadelphia. We've gone through all 20 flights that go to or via Philadelphia every week, to help you find the cheapest flight. Virgin Atlantic usually has the best-value flights from Cardiff, but make sure you compare all your options to get the cheapest flight possible.
When you fly from Cardiff to Philadelphia, you'll have two airlines to choose from for your 5506 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
To sort cheap flights to Philadelphia, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Virgin Atlantic too, as they're the most popular airline for flying from Cardiff to Philadelphia.
It takes about 16 hrs 20 mins to fly from Cardiff to Philadelphia. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.