How do I get Price Alerts for flights from Cardiff to Pennsylvania?

Search flight deals from Cardiff to Pennsylvania . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Cardiff to Pennsylvania with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Cardiff Wales Airport to Pennsylvania?

Prices for flights from Cardiff Wales Airport to Pennsylvania refresh daily.

How old do you have to be to fly from Cardiff Wales Airport to Pennsylvania?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Pennsylvania.

What documentation or ID do you need to fly to Pennsylvania?

The required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£716 Cheap Flights from Cardiff to Pennsylvania in 2026/27

Find the cheapest flights from Cardiff to Pennsylvania

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Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 16:15CWL Cardiff Wales-PHL Philadelphia

30h 50m2 stops Dublin London Heathrow

17:40 - 08:10PHL Philadelphia-CWL Cardiff Wales

9h 30m1 stop Dublin

£716Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

10:20 - 23:27CWL Cardiff Wales-PHL Philadelphia

18h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

09:43 - 09:45PHL Philadelphia-CWL Cardiff Wales

19h 02m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

£748Delta

Wed, 2 Dec - Wed, 9 Dec

14:25 - 16:10CWL Cardiff Wales-PHL Philadelphia

30h 45m1 stop Dublin

17:40 - 08:10PHL Philadelphia-CWL Cardiff Wales

9h 30m1 stop Dublin

£778Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

10:20 - 16:15CWL Cardiff Wales-PHL Philadelphia

34h 55m3 stops Amsterdam Schiphol Dublin London Heathrow

17:40 - 08:10PHL Philadelphia-CWL Cardiff Wales

9h 30m1 stop Dublin

£863Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

14:25 - 16:15CWL Cardiff Wales-PHL Philadelphia

30h 50m2 stops Dublin London Heathrow

18:35 - 09:45PHL Philadelphia-CWL Cardiff Wales

34h 10m3 stops London Heathrow Dublin Amsterdam Schiphol

£888Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

10:20 - 16:10CWL Cardiff Wales-PHL Philadelphia

34h 50m2 stops Amsterdam Schiphol Dublin

17:40 - 13:00PHL Philadelphia-CWL Cardiff Wales

14h 20m1 stop Dublin

£943Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

10:20 - 16:15CWL Cardiff Wales-PHL Philadelphia

34h 55m3 stops Amsterdam Schiphol Dublin London Heathrow

18:35 - 09:45PHL Philadelphia-CWL Cardiff Wales

34h 10m3 stops London Heathrow Dublin Amsterdam Schiphol

£1,034Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

10:20 - 16:10CWL Cardiff Wales-PHL Philadelphia

34h 50m3 stops Amsterdam Schiphol Paris Charles de Gaulle Dublin

16:16 - 13:00PHL Philadelphia-CWL Cardiff Wales

15h 44m3 stops Raleigh-Durham Reykjavik Keflavik Intl Dublin

£1,065Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

17:30 - 16:10CWL Cardiff Wales-PHL Philadelphia

27h 40m2 stops Amsterdam Schiphol Dublin

11:28 - 13:00PHL Philadelphia-CWL Cardiff Wales

20h 32m3 stops Raleigh-Durham Reykjavik Keflavik Intl Dublin

£1,092Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Sun 6/12

14:25-16:15

2 stops30h 50m

Philadelphia

Sun 13/12

17:40-08:10

1 stop9h 30m

£716

Fastest return journey

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Wed 2/12

10:20-23:27

2 stops18h 07m

Philadelphia

Wed 9/12

09:43-09:45

2 stops19h 02m

£748

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Sun 6/12

14:25-16:10

1 stop30h 45m

Philadelphia

Sun 13/12

17:40-08:10

1 stop9h 30m

£778

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Sun 6/12

10:20-16:15

3 stops34h 55m

Philadelphia

Sun 13/12

17:40-08:10

1 stop9h 30m

£863

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Sun 6/12

14:25-16:15

2 stops30h 50m

Philadelphia

Sun 13/12

18:35-09:45

3 stops34h 10m

£888

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Wed 2/12

10:20-16:10

2 stops34h 50m

Philadelphia

Wed 9/12

17:40-13:00

1 stop14h 20m

£943

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Sun 6/12

10:20-16:15

3 stops34h 55m

Philadelphia

Sun 13/12

18:35-09:45

3 stops34h 10m

£1,034

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Wed 2/12

10:20-16:10

3 stops34h 50m

Philadelphia

Wed 9/12

16:16-13:00

3 stops15h 44m

£1,065

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Wed 2/12

17:30-16:10

2 stops27h 40m

Philadelphia

Wed 9/12

11:28-13:00

3 stops20h 32m

£1,092

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Cardiff to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Pennsylvania

Best price found	£716
Fastest flight time	12h 40m
Direct flights	None

The best flight deal from Cardiff to Pennsylvania found on momondo in the last 72 hours is £716

The fastest flight from Cardiff to Pennsylvania takes 12h 40m

There are no direct flights from Cardiff to Pennsylvania. There are no popular flight routes from Cardiff to Pennsylvania.

Search flight deals

Frequently asked questions about flying from Cardiff to Pennsylvania

When did momondo last update prices for flights from Cardiff Wales Airport to Pennsylvania?
Prices for flights from Cardiff Wales Airport to Pennsylvania refresh daily.
How old do you have to be to fly from Cardiff Wales Airport to Pennsylvania?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Cardiff to Pennsylvania

How do I get Price Alerts for flights from Cardiff to Pennsylvania?
Search flight deals from Cardiff to Pennsylvania. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cardiff to Pennsylvania with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Pennsylvania?

Finding the right flight to Pennsylvania from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Pennsylvania quick and easy, saving you time and money.

Can I find flights from Cardiff to Pennsylvania with flexible booking policies on momondo?

Flights from Cardiff to Pennsylvania with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Cardiff to Pennsylvania?

Once all potential Cardiff to Pennsylvania flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Cardiff to Pennsylvania right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Pennsylvania from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.