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Cheap flights from Cardiff to Delaware from £790

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ILG
6 Jul — 13 Jul1
1 adult

Cheap flight deals from Cardiff to Delaware

Keep the following information in mind while searching for Cardiff to Delaware flight deals. Data was last updated 1 July 2025.

Round-trip from

£790
Delta
  • Delta
  • 14/8-21/8
  • 4 total stops
  • 34h 10m total
  • Cardiff to Delaware

Find flight deals from Cardiff to Delaware

Cheapest flights from Cardiff to Delaware
Explore the most affordable flight options available from Cardiff to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Thu 14/809:50CWL - PHL
2 stops16h 34mDelta
Thu 21/810:39PHL - CWL
2 stops17h 36mDelta
Deal found 30/6£790
Thu 14/807:55CWL - PHL
1 stop16h 05mMultiple Airlines
Thu 21/810:15PHL - CWL
2 stops20h 45mMultiple Airlines
Deal found 30/6£876
Wed 2/709:50CWL - PHL
2 stops16h 01mKLM
Wed 9/713:25PHL - CWL
2 stops14h 50mKLM
Deal found 29/6£1,295

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to Delaware 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 1 July 2025.
Use the filters below to find and compare flights from Cardiff to Delaware that are best for you.

Fly from

Cardiff

Fly to

Delaware

Route

Depart

Return

Price

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 14/8

09:50-21:24

2 stops16h 34m

Philadelphia

Thu 21/8

10:39-09:15

2 stops17h 36m

£790

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 14/8

07:55-19:00

1 stop16h 05m

Philadelphia

Thu 21/8

10:15-12:00

2 stops20h 45m

£876

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Best time to book a flight from Cardiff to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware 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 Delaware
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. 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 Delaware. Reviews last updated 1 July 2025.
Read reviews from past customers who have flown with Delta from Cardiff to Delaware. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Delaware. 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 Delaware?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to Delaware. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Delaware 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 Delaware

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to Delaware?

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

Need flexible booking options for your flight to Delaware 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 Delaware become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Delaware from Cardiff today and book when prices fit your budget.

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