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.

£668 Cheap Flights from Washington, D.C. to Cardiff in 2025

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Cheap return flights

13:30 - 20:30IAD-CWL

26h 00m3 stops

20:20 - 15:20CWL-IAD

24h 00m2 stops

£668

Find Deal

Thu, 2 Oct - Thu, 9 Oct

17:25 - 17:05IAD-CWL

18h 40m1 stop

17:15 - 15:35CWL-IAD

27h 20m1 stop

£672Virgin Atlantic

Find Deal

Fri, 3 Oct - Fri, 10 Oct

17:25 - 09:15IAD-CWL

10h 50m1 stop

09:50 - 15:35CWL-IAD

10h 45m1 stop

£675Virgin Atlantic

Find Deal

Wed, 1 Oct - Wed, 8 Oct

21:05 - 19:40IAD-CWL

17h 35m2 stops

20:30 - 15:20CWL-IAD

23h 50m2 stops

£683

Find Deal

Wed, 1 Oct - Wed, 8 Oct

17:00 - 09:15IAD-CWL

35h 15m3 stops

20:55 - 15:20CWL-IAD

23h 25m2 stops

£689

Find Deal

Fri, 3 Oct - Fri, 10 Oct

17:25 - 16:45IAD-CWL

18h 20m1 stop

17:15 - 15:35CWL-IAD

27h 20m1 stop

£692KLM

Find Deal

Mon, 13 Oct - Wed, 22 Oct

13:00 - 09:15IAD-CWL

15h 15m2 stops

17:15 - 15:35CWL-IAD

27h 20m1 stop

£696KLM

Find Deal

Mon, 13 Oct - Wed, 22 Oct

12:08 - 09:15IAD-CWL

16h 07m2 stops

09:50 - 15:35CWL-IAD

10h 45m1 stop

£748Delta

Find Deal

Thu, 18 Sep - Tue, 30 Sep

12:08 - 09:15IAD-CWL

16h 07m2 stops

09:50 - 19:37CWL-IAD

14h 47m2 stops

£756Delta

Find Deal

Thu, 18 Sep - Tue, 30 Sep

21:35 - 11:30BWI-CWL

32h 55m2 stops

12:00 - 19:45CWL-BWI

36h 45m2 stops

£1,077Aer Lingus

Find Deal

Tue, 9 Sep - Mon, 15 Sep

Virgin Atlantic flights from Washington, D.C. to Cardiff

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

Virgin Atlantic

3 Oct

IAD17:25Washington, D.C. Dulles Intl

18h 40m

1 stop

CWL17:05Cardiff Wales

10 Oct

CWL17:15Cardiff Wales

27h 20m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£672

Find similar

Virgin Atlantic

1 Oct

IAD17:25Washington, D.C. Dulles Intl

10h 50m

1 stop

CWL09:15Cardiff Wales

8 Oct

CWL09:50Cardiff Wales

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£675

Find similar

Virgin Atlantic

12 Nov

IAD18:05Washington, D.C. Dulles Intl

10h 45m

1 stop

CWL09:50Cardiff Wales

16 Nov

CWL17:30Cardiff Wales

30h 12m

2 stops

IAD18:42Washington, D.C. Dulles Intl

£700

Find similar

KLM flights from Washington, D.C. to Cardiff

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

KLM

13 Oct

IAD17:25Washington, D.C. Dulles Intl

18h 20m

1 stop

CWL16:45Cardiff Wales

22 Oct

CWL17:15Cardiff Wales

27h 20m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£692

Find similar

KLM

13 Oct

IAD13:00Washington, D.C. Dulles Intl

15h 15m

2 stops

CWL09:15Cardiff Wales

22 Oct

CWL17:15Cardiff Wales

27h 20m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£696

Find similar

KLM

13 Oct

IAD12:27Washington, D.C. Dulles Intl

15h 48m

2 stops

CWL09:15Cardiff Wales

22 Oct

CWL09:50Cardiff Wales

18h 50m

2 stops

IAD23:40Washington, D.C. Dulles Intl

£703

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 2/10

13:30-20:30

3 stops26h 00m

Cardiff Wales

Thu 9/10

20:20-15:20

2 stops24h 00m

£668

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 3/10

17:25-17:05

1 stop18h 40m

Cardiff Wales

Fri 10/10

17:15-15:35

1 stop27h 20m

£672

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 1/10

17:25-09:15

1 stop10h 50m

Cardiff Wales

Wed 8/10

09:50-15:35

1 stop10h 45m

£675

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 1/10

21:05-19:40

2 stops17h 35m

Cardiff Wales

Wed 8/10

20:30-15:20

2 stops23h 50m

£683

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 3/10

17:00-09:15

3 stops35h 15m

Cardiff Wales

Fri 10/10

20:55-15:20

2 stops23h 25m

£689

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 13/10

17:25-16:45

1 stop18h 20m

Cardiff Wales

Wed 22/10

17:15-15:35

1 stop27h 20m

£692

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 13/10

13:00-09:15

2 stops15h 15m

Cardiff Wales

Wed 22/10

17:15-15:35

1 stop27h 20m

£696

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 18/9

12:08-09:15

2 stops16h 07m

Cardiff Wales

Tue 30/9

09:50-15:35

1 stop10h 45m

£748

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 18/9

12:08-09:15

2 stops16h 07m

Cardiff Wales

Tue 30/9

09:50-19:37

2 stops14h 47m

£756

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Tue 9/9

21:35-11:30

2 stops32h 55m

Cardiff Wales

Mon 15/9

12:00-19:45

2 stops36h 45m

£1,077

Flights are sorted by cheapest return flights first.

Sorted 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 15m on average. Another popular route from Washington, D.C. to Cardiff is flying from Baltimore to Cardiff, which will take roughly 19h 55m. 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

Best price found	£668
Fastest flight time	10h 35m
Direct flights	None
Airports in Cardiff	1 airport

The best flight deal from Washington, D.C. to Cardiff found on momondo in the last 72 hours is £668

The fastest flight from Washington, D.C. to Cardiff takes 10h 35m

There are no direct flights from Washington, D.C. to Cardiff. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Cardiff Wales Airport, Baltimore/Washington Airport - Cardiff Wales Airport and Washington, D.C. Dulles Intl Airport - Cardiff Wales Airport.

There is 1 airport near Cardiff: Cardiff Wales (CWL)

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 10h 35m, 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.