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Cheap flights from Cardiff to Delaware from £707

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — ILG
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Delaware

Enter your travel dates to find the best prices.

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 30 May 2026.

Sat 11/711:35
CWL
-
PHL
1 stop16h 11m
Multiple Airlines
Sat 18/715:25
PHL
-
CWL
2 stops37h 50m
Multiple Airlines
Deal found 27/5£707
Thu 11/622:50
CWL
-
PHL
1 stop25h 05m
Multiple Airlines
Mon 15/606:00
PHL
-
CWL
2 stops23h 15m
Multiple Airlines
Deal found 27/5£739
Thu 9/711:35
CWL
-
PHL
2 stops16h 41m
Multiple Airlines
Thu 23/720:25
PHL
-
CWL
1 stop29h 30m
Multiple Airlines
Deal found 29/5£829
Sat 4/711:35
CWL
-
PHL
2 stops16h 42m
Multiple Airlines
Sat 11/720:25
PHL
-
CWL
1 stop19h 55m
Multiple Airlines
Deal found 25/5£835
Thu 9/709:45
CWL
-
PHL
2 stops17h 22m
KLM
Thu 23/712:36
PHL
-
CWL
2 stops15h 39m
KLM
Deal found 29/5£875
Fri 10/709:45
CWL
-
PHL
2 stops17h 22m
KLM
Fri 17/713:10
PHL
-
CWL
2 stops15h 05m
KLM
Deal found 26/5£910
Sun 12/709:50
CWL
-
PHL
2 stops17h 17m
Delta
Sun 19/715:00
PHL
-
CWL
2 stops20h 45m
Delta
Deal found 27/5£924
Thu 11/609:45
CWL
-
PHL
2 stops18h 32m
Delta
Mon 15/613:10
PHL
-
CWL
2 stops22h 35m
Delta
Deal found 27/5£936
Sat 4/709:50
CWL
-
PHL
2 stops28h 18m
Virgin Atlantic
Sat 11/710:00
PHL
-
CWL
2 stops18h 15m
Virgin Atlantic
Deal found 25/5£938
Fri 10/722:45
CWL
-
PHL
1 stop25h 10m
Multiple Airlines
Fri 17/706:10
PHL
-
CWL
2 stops23h 05m
Multiple Airlines
Deal found 26/5£968

Find flight deals from Cardiff to Delaware

Keep the following information in mind while searching for Cardiff to Delaware flight deals. Data was last updated 30 May 2026.

Round-trip from

£707
11/7-18/7
  • 11/7-18/7
  • 3 total stops
  • 54h 01m total
  • Cardiff to Delaware
Search Deals

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 30 May 2026.
Use the filters below to find and compare flights from Cardiff to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sat 11/7

11:35-22:46

1 stop16h 11m

Philadelphia

Sat 18/7

15:25-10:15

2 stops37h 50m

£707

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 11/6

22:50-18:55

1 stop25h 05m

Philadelphia

Mon 15/6

06:00-10:15

2 stops23h 15m

£739

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 9/7

11:35-23:16

2 stops16h 41m

Philadelphia

Thu 23/7

20:25-06:55

1 stop29h 30m

£829

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sat 4/7

11:35-23:17

2 stops16h 42m

Philadelphia

Sat 11/7

20:25-21:20

1 stop19h 55m

£835

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 9/7

09:45-22:07

2 stops17h 22m

Philadelphia

Thu 23/7

12:36-09:15

2 stops15h 39m

£875
Fastest return journey

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Fri 10/7

09:45-22:07

2 stops17h 22m

Philadelphia

Fri 17/7

13:10-09:15

2 stops15h 05m

£910

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sun 12/7

09:50-22:07

2 stops17h 17m

Philadelphia

Sun 19/7

15:00-16:45

2 stops20h 45m

£924

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Thu 11/6

09:45-23:17

2 stops18h 32m

Philadelphia

Mon 15/6

13:10-16:45

2 stops22h 35m

£936

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Sat 4/7

09:50-09:08

2 stops28h 18m

Philadelphia

Sat 11/7

10:00-09:15

2 stops18h 15m

£938

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Sorted by cheapest first

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.

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.

  • How long is the flight from Cardiff to Delaware?

    Airlines like KLM fly from Cardiff to Delaware in about 17h 22m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3416 mi.

  • 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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Fly with Cheapflights

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

Cheapflights helps you search for flights from Cardiff to Delaware via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Cardiff to Delaware for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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