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Cheap flights from Cardiff to Pennsylvania from £318

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — PHL
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Pennsylvania
Explore the most affordable flight options available from Cardiff to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Sat 9/507:30
CWL
-
EWR
2 stops34h 45m
Multiple Airlines
Sat 16/517:45
EWR
-
CWL
3 stops22h 35m
Multiple Airlines
Deal found 25/3£472
Tue 5/521:45
CWL
-
JFK
2 stops53h 45m
Multiple Airlines
Tue 12/523:55
JFK
-
CWL
1 stop18h 10m
Multiple Airlines
Deal found 21/3£495
Sat 9/507:30
CWL
-
JFK
1 stop11h 10m
Multiple Airlines
Sat 16/523:55
JFK
-
CWL
1 stop16h 25m
Multiple Airlines
Deal found 25/3£529
Wed 6/521:10
CWL
-
JFK
2 stops30h 20m
Multiple Airlines
Wed 13/523:55
JFK
-
CWL
1 stop17h 30m
Multiple Airlines
Deal found 22/3£530
Mon 20/410:25
CWL
-
EWR
3 stops33h 34m
Multiple Airlines
Mon 27/417:45
EWR
-
CWL
2 stops22h 35m
Multiple Airlines
Deal found 21/3£568
Sun 19/421:45
CWL
-
JFK
2 stops29h 45m
Multiple Airlines
Mon 4/521:20
JFK
-
CWL
1 stop20h 30m
Multiple Airlines
Deal found 21/3£569
Thu 7/509:00
CWL
-
EWR
3 stops33h 15m
Multiple Airlines
Thu 14/517:20
EWR
-
CWL
3 stops34h 55m
Multiple Airlines
Deal found 23/3£586
Mon 4/522:10
CWL
-
JFK
2 stops22h 45m
Multiple Airlines
Mon 11/523:55
JFK
-
CWL
1 stop17h 55m
Multiple Airlines
Deal found 22/3£596
Wed 6/512:00
CWL
-
JFK
2 stops15h 25m
British Airways
Wed 13/507:50
JFK
-
CWL
2 stops22h 40m
British Airways
Deal found 22/3£597
Tue 3/1110:20
CWL
-
JFK
1 stop31h 55m
KLM
Tue 10/1116:45
JFK
-
CWL
1 stop19h 10m
KLM
Deal found 25/3£597
Tue 5/517:15
CWL
-
JFK
1 stop30h 50m
KLM
Tue 12/516:40
JFK
-
CWL
1 stop11h 35m
KLM
Deal found 22/3£598
Wed 6/509:45
CWL
-
JFK
1 stop14h 20m
KLM
Wed 13/519:10
JFK
-
CWL
1 stop16h 35m
KLM
Deal found 22/3£600

Find flight deals from Cardiff to Pennsylvania

Keep the following information in mind while searching for Cardiff to Pennsylvania flight deals. Data was last updated 25 March 2026.

Round-trip from

£495

One-way from

£318
5/5-12/5
  • 5/5-12/5
  • 3 total stops
  • 71h 55m total
  • Cardiff to Pennsylvania
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 50h 30m total
  • Cardiff to Pennsylvania
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2026.
Use the filters below to find and compare flights from Cardiff to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Sat 9/5

07:30-13:15

2 stops34h 45m

Newark

Sat 16/5

17:45-21:20

3 stops22h 35m

£472

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Mon 20/4

22:10-09:15

2 stops40h 05m

Newark

Mon 27/4

17:35-22:50

1 stop24h 15m

£571

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Wed 15/4

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Sat 25/4

21:10-09:15

1 stop31h 05m

£615

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Tue 5/5

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Tue 12/5

16:40-16:45

1 stop19h 05m

£621

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Tue 5/5

09:45-21:20

2 stops16h 35m

New York LaGuardia

Tue 12/5

13:00-09:15

2 stops15h 15m

£622

CardiffNew York

CWL - JFK

CWLJFK

Cardiff Wales

Mon 20/4

09:45-20:30

2 stops15h 45m

New York John F Kennedy Intl

Mon 27/4

10:30-09:15

2 stops17h 45m

£624

CardiffNew York

CWL - LGA

CWLLGA

Cardiff Wales

Mon 4/5

09:45-22:19

2 stops17h 34m

New York LaGuardia

Mon 11/5

12:00-09:15

2 stops16h 15m

£624

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Wed 6/5

09:45-23:04

2 stops18h 19m

Newark

Wed 13/5

09:30-09:15

2 stops18h 45m

£625

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Tue 5/5

09:45-23:03

2 stops18h 18m

Newark

Tue 12/5

15:10-09:15

2 stops13h 05m

£627

CardiffNewark

CWL - EWR

CWLEWR

Cardiff Wales

Mon 20/4

09:45-23:03

2 stops18h 18m

Newark

Mon 27/4

15:15-09:15

2 stops13h 00m

£631

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
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5

Best time to book a flight from Cardiff to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Cardiff with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Pennsylvania
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated 25 March 2026.
Check out reviews from past customers who have flown with KLM from Cardiff to Pennsylvania to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,478 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Pennsylvania?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Pennsylvania from Cardiff.

  • How long is the flight from Cardiff to Pennsylvania?

    Airlines like Virgin Atlantic, Delta, and KLM fly from Cardiff to Pennsylvania in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 2h 15m. The distance between Cardiff and Pennsylvania is about 3323 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Cardiff to Pennsylvania?

    While some choose either Cardiff Wales - Newark or Cardiff Wales - New York LaGuardia, Cardiff Wales - New York John F Kennedy Intl is the most popular route from Cardiff to Pennsylvania.

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

    Yes. In addition to deals on Cardiff to Pennsylvania flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Pennsylvania.

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

    Yes. Cheapflights offers flight deals from Cardiff to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Cardiff to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Cardiff to Pennsylvania

Discover the top airline that operate flights from Cardiff to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£533Average£585FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Deals for Cardiff to Pennsylvania 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 Pennsylvania?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Pennsylvania for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Pennsylvania flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Cardiff to Pennsylvania on Cheapflights with our Price Alert feature and get notified when better prices are available.

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