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 many operators does momondo search for flights from Cardiff Wales Airport to Delaware?

The number of operators available for flights from Cardiff Wales Airport to Delaware is 1 as of March 2026.

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.

£707 Cheap Flights from Cardiff to Delaware in 2026

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Find the cheapest flights from Cardiff to Delaware

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

09:45 - 22:50

CWL

PHL

18h 05m

2 stops

13:58 - 09:15

PHL

CWL

14h 17m

2 stops

£707KLM

Tue, 28 Apr - Tue, 5 May

09:45 - 08:55

CWL

PHL

28h 10m

2 stops

09:25 - 09:15

PHL

CWL

18h 50m

2 stops

£742Delta

Mon, 13 Apr - Mon, 20 Apr

23:15 - 18:55

CWL

PHL

24h 40m

1 stop

18:31 - 23:05

PHL

CWL

23h 34m

2 stops

£810Multiple Airlines

Tue, 28 Apr - Tue, 5 May

23:15 - 18:55

CWL

PHL

24h 40m

1 stop

20:25 - 23:05

PHL

CWL

21h 40m

1 stop

£813Multiple Airlines

Tue, 28 Apr - Tue, 5 May

09:45 - 22:37

CWL

PHL

17h 52m

2 stops

06:00 - 09:15

PHL

CWL

22h 15m

2 stops

£935Delta

Wed, 22 Jul - Thu, 30 Jul

17:15 - 18:55

CWL

PHL

30h 40m

3 stops

20:25 - 16:45

PHL

CWL

15h 20m

2 stops

£1,247Multiple Airlines

Tue, 28 Apr - Tue, 5 May

17:15 - 18:55

CWL

PHL

30h 40m

3 stops

20:25 - 11:30

PHL

CWL

34h 05m

3 stops

£1,285Multiple Airlines

Tue, 28 Apr - Tue, 5 May

09:45 - 18:55

CWL

PHL

14h 10m

2 stops

16:20 - 16:45

PHL

CWL

19h 25m

3 stops

£5,893Multiple Airlines

Wed, 22 Jul - Thu, 30 Jul

Delta flights from Cardiff to Delaware

Our best Delta deals on Cardiff to Delaware flight tickets

Delta

13 Apr

CWL09:45Cardiff Wales

28h 10m

2 stops

PHL08:55Philadelphia

20 Apr

PHL09:25Philadelphia

18h 50m

2 stops

CWL09:15Cardiff Wales

£742

Delta

22 Jul

CWL09:45Cardiff Wales

17h 52m

2 stops

PHL22:37Philadelphia

30 Jul

PHL06:00Philadelphia

22h 15m

2 stops

CWL09:15Cardiff Wales

£935

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Tue 28/4

09:45-22:50

2 stops18h 05m

Philadelphia

Tue 5/5

13:58-09:15

2 stops14h 17m

£707

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Mon 13/4

09:45-08:55

2 stops28h 10m

Philadelphia

Mon 20/4

09:25-09:15

2 stops18h 50m

£742

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Tue 28/4

23:15-18:55

1 stop24h 40m

Philadelphia

Tue 5/5

18:31-23:05

2 stops23h 34m

£810

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Tue 28/4

23:15-18:55

1 stop24h 40m

Philadelphia

Tue 5/5

20:25-23:05

1 stop21h 40m

£813

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Wed 22/7

09:45-22:37

2 stops17h 52m

Philadelphia

Thu 30/7

06:00-09:15

2 stops22h 15m

£935

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Tue 28/4

17:15-18:55

3 stops30h 40m

Philadelphia

Tue 5/5

20:25-16:45

2 stops15h 20m

£1,247

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Tue 28/4

17:15-18:55

3 stops30h 40m

Philadelphia

Tue 5/5

20:25-11:30

3 stops34h 05m

£1,285

CardiffPhiladelphia

CWL - PHL

CWLPHL

Cardiff Wales

Wed 22/7

09:45-18:55

2 stops14h 10m

Philadelphia

Thu 30/7

16:20-16:45

3 stops19h 25m

£5,893

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	18h 05m
Direct flights	None

The fastest flight from Cardiff to Delaware takes 18h 05m

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

Search flight deals

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 many operators does momondo search for flights from Cardiff Wales Airport to Delaware?
The number of operators available for flights from Cardiff Wales Airport to Delaware is 1 as of March 2026.
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.

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.