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

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

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

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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 Delaware?

Prices for flights from Cardiff Wales Airport to Delaware are refreshed on a daily basis.

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

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 Delaware.

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

The required travel and health documents for your Delaware 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 Delaware. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£682 Cheap Flights from Cardiff to Delaware in 2026

Find the cheapest flights from Cardiff to Delaware

Return

Cheap return flights

Enter your travel dates to find the best prices.

17:15 - 16:32CWL Cardiff Wales-PHL Philadelphia

28h 17m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

17:00 - 09:15PHL Philadelphia-CWL Cardiff Wales

35h 15m2 stops Boston Logan Intl Amsterdam Schiphol

£682KLM

Mon, 7 Sep - Mon, 14 Sep

09:45 - 22:31CWL Cardiff Wales-PHL Philadelphia

17h 46m2 stops Amsterdam Schiphol Boston Logan Intl

13:24 - 09:15PHL Philadelphia-CWL Cardiff Wales

14h 51m2 stops Boston Logan Intl Amsterdam Schiphol

£697Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

09:45 - 23:12CWL Cardiff Wales-PHL Philadelphia

18h 27m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

13:24 - 16:45PHL Philadelphia-CWL Cardiff Wales

22h 21m2 stops Boston Logan Intl Amsterdam Schiphol

£713Air France

Thu, 24 Sep - Mon, 28 Sep

11:35 - 11:44CWL Cardiff Wales-PHL Philadelphia

29h 09m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

20:25 - 23:25PHL Philadelphia-CWL Cardiff Wales

22h 00m1 stop Dublin

£813Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

22:50 - 18:55CWL Cardiff Wales-PHL Philadelphia

25h 05m1 stop Dublin

17:27 - 22:50PHL Philadelphia-CWL Cardiff Wales

24h 23m2 stops Detroit Metropolitan Wayne County Dublin

£846Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

22:50 - 18:55CWL Cardiff Wales-PHL Philadelphia

25h 05m1 stop Dublin

20:25 - 22:50PHL Philadelphia-CWL Cardiff Wales

21h 25m1 stop Dublin

£847Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

17:15 - 18:55CWL Cardiff Wales-PHL Philadelphia

30h 40m2 stops Amsterdam Schiphol Dublin

20:25 - 11:30PHL Philadelphia-CWL Cardiff Wales

34h 05m3 stops Dublin Birmingham Belfast City

£881Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

22:10 - 18:55CWL Cardiff Wales-PHL Philadelphia

25h 45m1 stop Dublin

20:25 - 22:50PHL Philadelphia-CWL Cardiff Wales

21h 25m1 stop Dublin

£895Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

11:35 - 21:32CWL Cardiff Wales-PHL Philadelphia

14h 57m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

16:20 - 09:15PHL Philadelphia-CWL Cardiff Wales

35h 55m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Amsterdam Schiphol

£908Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

11:35 - 22:46CWL Cardiff Wales-PHL Philadelphia

16h 11m1 stop Toronto Pearson Intl

20:25 - 11:30PHL Philadelphia-CWL Cardiff Wales

34h 05m3 stops Dublin Glasgow Intl Belfast City

£1,003Multiple Airlines

Thu, 27 Aug - Sun, 30 Aug

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Mon 7/9

17:15-16:32

2 stops28h 17m

Philadelphia

Mon 14/9

17:00-09:15

2 stops35h 15m

£682

Fastest return journey

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Tue 8/9

09:45-22:31

2 stops17h 46m

Philadelphia

Tue 15/9

13:24-09:15

2 stops14h 51m

£697

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Thu 24/9

09:45-23:12

2 stops18h 27m

Philadelphia

Mon 28/9

13:24-16:45

2 stops22h 21m

£713

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Tue 8/9

11:35-11:44

2 stops29h 09m

Philadelphia

Tue 15/9

20:25-23:25

1 stop22h 00m

£813

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Thu 24/9

22:50-18:55

1 stop25h 05m

Philadelphia

Mon 28/9

17:27-22:50

2 stops24h 23m

£846

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Thu 24/9

22:50-18:55

1 stop25h 05m

Philadelphia

Mon 28/9

20:25-22:50

1 stop21h 25m

£847

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Thu 24/9

17:15-18:55

2 stops30h 40m

Philadelphia

Mon 28/9

20:25-11:30

3 stops34h 05m

£881

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Mon 7/9

22:10-18:55

1 stop25h 45m

Philadelphia

Mon 14/9

20:25-22:50

1 stop21h 25m

£895

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Tue 8/9

11:35-21:32

2 stops14h 57m

Philadelphia

Tue 15/9

16:20-09:15

3 stops35h 55m

£908

CardiffPhiladelphia

CWL Cardiff Wales - PHL Philadelphia

CWLPHL

Cardiff Wales

Thu 27/8

11:35-22:46

1 stop16h 11m

Philadelphia

Sun 30/8

20:25-11:30

3 stops34h 05m

£1,003

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Cardiff to Delaware flight deals and tips

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

Fastest flight time	16h 11m
Direct flights	None

The fastest flight from Cardiff to Delaware takes 16h 11m

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

Search flight deals

Frequently asked questions about flying from Cardiff to Delaware

When did momondo last update prices for flights from Cardiff Wales Airport to Delaware?
Prices for flights from Cardiff Wales Airport to Delaware are refreshed on a daily basis.
How old do you have to be to fly from Cardiff Wales Airport to Delaware?
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 Delaware.
What documentation or ID do you need to fly to Delaware?
The required travel and health documents for your Delaware 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 Delaware. 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 Delaware

How do I get Price Alerts for flights from Cardiff to Delaware?
Search flight deals from Cardiff to Delaware. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cardiff to Delaware with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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 Delaware?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Delaware from Cardiff.

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

Flights from Cardiff to Delaware 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 Delaware?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cardiff to Delaware.

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

Yes. momondo can track prices for Cardiff to Delaware flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.