When did momondo last update prices for flights from Washington, D.C. to Cardiff Wales Airport?

Prices for flights from Washington, D.C. to Cardiff Wales Airport refresh daily.

How old do you have to be to fly from Washington, D.C. to Cardiff Wales Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Cardiff Wales Airport.

What documentation or ID do you need to fly to Cardiff Wales Airport?

The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£497 Cheap Flights from Washington, D.C. to Cardiff in 2025/26

1 adult

0 bags

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Find the cheapest flights from Washington, D.C. to Cardiff

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:40 - 19:40

IAD

CWL

19h 00m2 stops

22:25 - 18:30

CWL

IAD

25h 05m2 stops

£497Multiple Airlines

Fri, 16 Jan - Fri, 23 Jan

12:55 - 19:40

DCA

CWL

25h 45m3 stops

22:25 - 19:45

CWL

DCA

26h 20m2 stops

£508Multiple Airlines

Fri, 16 Jan - Fri, 23 Jan

09:45 - 19:40

IAD

CWL

28h 55m3 stops

22:25 - 15:46

CWL

IAD

22h 21m2 stops

£510Multiple Airlines

Fri, 16 Jan - Fri, 23 Jan

18:05 - 16:55

IAD

CWL

17h 50m1 stop

17:15 - 16:05

CWL

IAD

27h 50m1 stop

£563KLM

Mon, 12 Jan - Mon, 19 Jan

12:29 - 09:50

IAD

CWL

16h 21m2 stops

17:15 - 16:05

CWL

IAD

27h 50m1 stop

£567KLM

Mon, 12 Jan - Mon, 19 Jan

11:10 - 09:50

DCA

CWL

17h 40m2 stops

10:20 - 23:41

CWL

DCA

18h 21m2 stops

£576KLM

Fri, 16 Jan - Fri, 23 Jan

18:05 - 16:55

IAD

CWL

17h 50m1 stop

10:20 - 19:19

CWL

IAD

36h 59m2 stops

£581Delta

Wed, 4 Mar - Sun, 8 Mar

15:38 - 09:50

BWI

CWL

13h 12m2 stops

10:20 - 00:41

CWL

BWI

19h 21m2 stops

£584Delta

Wed, 28 Jan - Mon, 2 Feb

17:00 - 16:55

DCA

CWL

18h 55m2 stops

10:20 - 23:41

CWL

DCA

18h 21m2 stops

£584Delta

Fri, 16 Jan - Fri, 23 Jan

06:20 - 09:50

IAD

CWL

22h 30m2 stops

10:20 - 00:24

CWL

IAD

19h 04m2 stops

£708Virgin Atlantic

Fri, 16 Jan - Fri, 23 Jan

KLM flights from Washington, D.C. to Cardiff

Our best KLM deals on Washington, D.C. to Cardiff flight tickets

KLM

28 Jan

IAD12:40Washington, D.C. Dulles Intl

16h 10m

2 stops

CWL09:50Cardiff Wales

2 Feb

CWL17:15Cardiff Wales

27h 50m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£567

Find similar

KLM

18 Jan

IAD18:05Washington, D.C. Dulles Intl

17h 40m

1 stop

CWL16:45Cardiff Wales

25 Jan

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£582

Find similar

KLM

18 Jan

IAD12:37Washington, D.C. Dulles Intl

16h 13m

2 stops

CWL09:50Cardiff Wales

25 Jan

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£586

Find similar

Delta flights from Washington, D.C. to Cardiff

Our best Delta deals on Washington, D.C. to Cardiff flight tickets

Delta

8 Dec

DCA11:30Washington, D.C. Reagan-National

17h 20m

2 stops

CWL09:50Cardiff Wales

22 Dec

CWL10:20Cardiff Wales

27h 51m

2 stops

DCA09:11Washington, D.C. Reagan-National

£583

Find similar

Delta

28 Jan

BWI15:38Baltimore/Washington

13h 12m

2 stops

CWL09:50Cardiff Wales

2 Feb

CWL10:20Cardiff Wales

19h 21m

2 stops

BWI00:41Baltimore/Washington

£584

Find similar

Delta

8 Dec

IAD12:30Washington, D.C. Dulles Intl

16h 20m

2 stops

CWL09:50Cardiff Wales

22 Dec

CWL10:20Cardiff Wales

17h 48m

2 stops

IAD23:08Washington, D.C. Dulles Intl

£1,039

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 16/1

19:40-19:40

2 stops19h 00m

Cardiff Wales

Fri 23/1

22:25-18:30

2 stops25h 05m

£497

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 16/1

12:55-19:40

3 stops25h 45m

Cardiff Wales

Fri 23/1

22:25-19:45

2 stops26h 20m

£508

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 16/1

09:45-19:40

3 stops28h 55m

Cardiff Wales

Fri 23/1

22:25-15:46

2 stops22h 21m

£510

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 12/1

18:05-16:55

1 stop17h 50m

Cardiff Wales

Mon 19/1

17:15-16:05

1 stop27h 50m

£563

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 12/1

12:29-09:50

2 stops16h 21m

Cardiff Wales

Mon 19/1

17:15-16:05

1 stop27h 50m

£567

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 16/1

11:10-09:50

2 stops17h 40m

Cardiff Wales

Fri 23/1

10:20-23:41

2 stops18h 21m

£576

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 4/3

18:05-16:55

1 stop17h 50m

Cardiff Wales

Sun 8/3

10:20-19:19

2 stops36h 59m

£581

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Wed 28/1

15:38-09:50

2 stops13h 12m

Cardiff Wales

Mon 2/2

10:20-00:41

2 stops19h 21m

£584

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 16/1

17:00-16:55

2 stops18h 55m

Cardiff Wales

Fri 23/1

10:20-23:41

2 stops18h 21m

£584

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 16/1

06:20-09:50

2 stops22h 30m

Cardiff Wales

Fri 23/1

10:20-00:24

2 stops19h 04m

£708

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Cardiff?

Flight times from Washington, D.C. to Cardiff vary, but if you’re flying out of Washington, D.C. and flying into Cardiff (one of the most popular routes), then the duration is 13h 20m on average. Another popular route from Washington, D.C. to Cardiff is flying from Baltimore to Cardiff, which will take roughly 14h 09m. Keep in mind that layovers or delays could extend your travel time.

When to book flights from Washington, D.C. to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Cardiff according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Washington, D.C. to Cardiff (WAS to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cardiff

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Cardiff takes 10h 45m

There are no direct flights from Washington, D.C. to Cardiff. There are no popular flight routes from Washington, D.C. to Cardiff.

Search flight deals

How far is Washington, D.C. to Cardiff Wales by plane?
Washington, D.C. and Cardiff Wales are 3537.5 mi apart from one another. Flights usually cover this in 13h 12m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Cardiff Wales Airport?
Prices for flights from Washington, D.C. to Cardiff Wales Airport refresh daily.
How old do you have to be to fly from Washington, D.C. to Cardiff Wales Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Barry

Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cardiff?

Finding the right flight to Cardiff from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Cardiff with flexible booking policies on momondo?

Yes. All flights to Cardiff from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Cardiff?

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 Washington, D.C. to Cardiff.

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

If you are simply researching potential flights to Cardiff, momondo offers a useful price alert feature which will track prices for flights to Cardiff from Washington, D.C. and alert you when they change.