Cheap flights from Cardiff to Philadelphia from £720
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 13 October 2026.
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 13 October 2026.
Best flights from Cardiff to PhiladelphiaDiscover carefully curated flight deals from Cardiff to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.
Discover carefully curated flight deals from Cardiff to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.
Last-minute flights from Cardiff to PhiladelphiaDiscover last-minute flight deals from Cardiff to Philadelphia. Data last updated 13 October 2026 and is based on user searches.
Discover last-minute flight deals from Cardiff to Philadelphia. Data last updated 13 October 2026 and is based on user searches.
Find 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 13 October 2026.
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
CardiffPhiladelphia
CWL Cardiff Wales - PHL Philadelphia
CWLPHL
Cardiff Wales
Mon 23/11
17:30-16:35
2 stops28h 05m
Philadelphia
Mon 30/11
16:35-09:45
2 stops12h 10m
CardiffPhiladelphia
CWL Cardiff Wales - PHL Philadelphia
CWLPHL
Cardiff Wales
Thu 26/11
10:20-11:35
2 stops30h 15m
Philadelphia
Thu 3/12
09:43-09:50
2 stops19h 07m
CardiffPhiladelphia
CWL Cardiff Wales - PHL Philadelphia
CWLPHL
Cardiff Wales
Thu 26/11
13:25-16:10
1 stop31h 45m
Philadelphia
Thu 3/12
17:40-15:40
1 stop17h 00m
CardiffPhiladelphia
CWL Cardiff Wales - PHL Philadelphia
CWLPHL
Cardiff Wales
Mon 23/11
08:35-16:10
1 stop12h 35m
Philadelphia
Mon 30/11
17:40-09:50
2 stops35h 10m
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.
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.
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Alternative routes for Cardiff to Philadelphia
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Complete your trip
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Direct flights to Pennsylvania
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Cardiff and Philadelphia flights
Browse other Cardiff and Philadelphia flight options. Last updated on 13 October 2026.
Other flights from Cardiff
Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
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How does Cheapflights help users find flights from Cardiff to Philadelphia?
Deals for Cardiff to Philadelphia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to Philadelphia?
Cheapflights simply makes it quick and affordable to book flights from Cardiff to Philadelphia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Cardiff to Philadelphia with no change fees?
Need flexible booking options for your flight to Philadelphia from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Cardiff to Philadelphia become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Philadelphia from Cardiff today and book when prices fit your budget.