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$1,097+ Cheap flights from Cardiff (CWL) to Philadelphia (PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — PHL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,097
(KLM)
Provider with most accurate pricing for Cardiff Wales-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cardiff Wales-Philadelphia flights.
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From Cardiff Wales to Philadelphia
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Find flight deals from Cardiff to Philadelphia

Cheapest flights from Cardiff to Philadelphia
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 January 21, 2025.

This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:20 amCWL - PHL
2 stops18h 00mKLM
Thu 3/137:27 pmPHL - CWL
2 stops17h 28mKLM
Deal found 1/20$1,097
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:15 pmCWL - PHL
3 stops26h 08mMultiple Airlines
Thu 3/136:45 pmPHL - CWL
2 stops17h 00mMultiple Airlines
Deal found 1/20$1,771

Find flights from Cardiff to Philadelphia within your budget

Customize your flight search to find flights from Cardiff to Philadelphia 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 3/6

10:20 am-11:20 pm

2 stops18h 00m

Philadelphia

Thu 3/13

7:27 pm-4:55 pm

2 stops17h 28m

$1,097

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 3/6

8:15 pm-5:23 pm

3 stops26h 08m

Philadelphia

Thu 3/13

6:45 pm-3:45 pm

2 stops17h 00m

$1,771

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Cardiff to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cardiff to Philadelphia in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cardiff-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cardiff-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cardiff-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cardiff-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cardiff-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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.

Travel insights for flights from Cardiff to Philadelphia

Get recent, data-driven insights about flights from Cardiff to Philadelphia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Cardiff to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Cardiff to Philadelphia (average of $236). Flying from Cardiff to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated January 21, 2025.
KLM
7.8
Good
1,341 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

  • What is the cheapest airline to fly from Cardiff to Philadelphia round-trip?

    Our cheapest airline available from Cardiff to Philadelphia is KLM. Our recent data shows that you can find tickets from as low as $1,097 on this airline.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Cardiff to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Cardiff to Philadelphia (average of $236). Flying from Cardiff to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
King of Prussia
Vineland
Wildwood
Pottstown
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Willow Grove
Newark
Middletown
Millville
Wyomissing
Dover
Ephrata
Dewey Beach
West Chester
Malvern

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