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.

£576 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

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One-way

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Cheap return flights

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18:05 - 09:50IAD-CWL

10h 45m1 stop

17:15 - 16:05CWL-IAD

27h 50m1 stop

£576KLM

Find Deal

ons, 19 nov - mån, 8 dec

18:05 - 09:50IAD-CWL

10h 45m1 stop

17:30 - 17:05CWL-IAD

27h 35m1 stop

£582Virgin Atlantic

Find Deal

lör, 28 feb - sön, 8 mar

18:05 - 16:55IAD-CWL

17h 50m1 stop

10:20 - 19:19CWL-IAD

13h 59m2 stops

£584Virgin Atlantic

Find Deal

ons, 19 nov - mån, 8 dec

18:05 - 16:55IAD-CWL

17h 50m1 stop

10:20 - 19:08CWL-IAD

13h 48m2 stops

£584Delta

Find Deal

ons, 12 nov - sön, 16 nov

12:30 - 09:50IAD-CWL

16h 20m2 stops

17:30 - 17:05CWL-IAD

27h 35m1 stop

£585Virgin Atlantic

Find Deal

lör, 28 feb - sön, 8 mar

12:11 - 09:50IAD-CWL

16h 39m2 stops

10:20 - 00:13CWL-IAD

18h 53m2 stops

£587Delta

Find Deal

ons, 19 nov - mån, 8 dec

14:35 - 09:50BWI-CWL

14h 15m2 stops

10:20 - 23:03CWL-BWI

17h 43m2 stops

£587Multiple Airlines

Find Deal

ons, 19 nov - mån, 8 dec

11:13 - 09:50DCA-CWL

17h 37m2 stops

10:20 - 23:58CWL-DCA

18h 38m2 stops

£587Virgin Atlantic

Find Deal

ons, 3 dec - sön, 7 dec

13:15 - 09:50DCA-CWL

15h 35m2 stops

10:20 - 23:08CWL-DCA

17h 48m2 stops

£588Virgin Atlantic

Find Deal

ons, 3 dec - sön, 7 dec

19:40 - 18:00IAD-CWL

17h 20m2 stops

21:20 - 15:35CWL-IAD

46h 15m3 stops

£780Multiple Airlines

Find Deal

lör, 28 feb - sön, 8 mar

KLM flights from Washington, D.C. to Cardiff

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

KLM

19 Nov

IAD18:05Washington, D.C. Dulles Intl

10h 45m

1 stop

CWL09:50Cardiff Wales

8 Dec

CWL17:15Cardiff Wales

27h 50m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£576

Find similar

KLM

12 Nov

IAD18:05Washington, D.C. Dulles Intl

10h 45m

1 stop

CWL09:50Cardiff Wales

16 Nov

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£615

Find similar

KLM

12 Nov

IAD18:11Washington, D.C. Dulles Intl

17h 44m

2 stops

CWL16:55Cardiff Wales

16 Nov

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD16:05Washington, D.C. Dulles Intl

£618

Find similar

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

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

Virgin Atlantic

28 Feb

IAD18:05Washington, D.C. Dulles Intl

10h 45m

1 stop

CWL09:50Cardiff Wales

8 Mar

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD17:05Washington, D.C. Dulles Intl

£582

Find similar

Virgin Atlantic

19 Nov

IAD18:05Washington, D.C. Dulles Intl

17h 50m

1 stop

CWL16:55Cardiff Wales

8 Dec

CWL10:20Cardiff Wales

13h 59m

2 stops

IAD19:19Washington, D.C. Dulles Intl

£584

Find similar

Virgin Atlantic

28 Feb

IAD12:30Washington, D.C. Dulles Intl

16h 20m

2 stops

CWL09:50Cardiff Wales

8 Mar

CWL17:30Cardiff Wales

27h 35m

1 stop

IAD17:05Washington, D.C. Dulles Intl

£585

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ons 19/11

18:05-09:50

1 stop10h 45m

Cardiff Wales

mån 8/12

17:15-16:05

1 stop27h 50m

£576

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

lör 28/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

sön 8/3

17:30-17:05

1 stop27h 35m

£582

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ons 19/11

18:05-16:55

1 stop17h 50m

Cardiff Wales

mån 8/12

10:20-19:19

2 stops13h 59m

£584

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ons 12/11

18:05-16:55

1 stop17h 50m

Cardiff Wales

sön 16/11

10:20-19:08

2 stops13h 48m

£584

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

lör 28/2

12:30-09:50

2 stops16h 20m

Cardiff Wales

sön 8/3

17:30-17:05

1 stop27h 35m

£585

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ons 19/11

12:11-09:50

2 stops16h 39m

Cardiff Wales

mån 8/12

10:20-00:13

2 stops18h 53m

£587

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

ons 19/11

14:35-09:50

2 stops14h 15m

Cardiff Wales

mån 8/12

10:20-23:03

2 stops17h 43m

£587

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

ons 3/12

11:13-09:50

2 stops17h 37m

Cardiff Wales

sön 7/12

10:20-23:58

2 stops18h 38m

£587

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

ons 3/12

13:15-09:50

2 stops15h 35m

Cardiff Wales

sön 7/12

10:20-23:08

2 stops17h 48m

£588

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

lör 28/2

19:40-18:00

2 stops17h 20m

Cardiff Wales

sön 8/3

21:20-15:35

3 stops46h 15m

£780

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 Baltimore and flying into Cardiff (one of the most popular routes), then the duration is 12h 50m on average. Another popular route from Washington, D.C. to Cardiff is flying from Washington, D.C. to Cardiff, which will take roughly 12h 52m. 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

Direct flights	None

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 10h 45m, 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.