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.

£392 Cheap Flights from Washington, D.C. to Cardiff in 2026

1 adult

0 bags

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:06 - 09:50

DCA

CWL

17h 44m

2 stops

10:20 - 22:51

CWL

DCA

16h 31m

2 stops

£593Delta

금, 6 3월 - 금, 13 3월

17:00 - 16:45

DCA

CWL

18h 45m

2 stops

09:45 - 22:51

CWL

DCA

18h 06m

2 stops

£631Delta

수, 6 5월 - 수, 27 5월

18:10 - 09:15

IAD

CWL

10h 05m

1 stop

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

£703Delta

수, 6 5월 - 수, 27 5월

18:05 - 09:50

IAD

CWL

10h 45m

1 stop

17:25 - 17:05

CWL

IAD

27h 40m

1 stop

£715Virgin Atlantic

토, 7 3월 - 토, 14 3월

17:05 - 18:00

IAD

CWL

19h 55m

2 stops

20:05 - 20:30

CWL

IAD

28h 25m

1 stop

£756Multiple Airlines

토, 7 3월 - 토, 14 3월

17:40 - 16:45

IAD

CWL

18h 05m

1 stop

17:35 - 15:35

CWL

IAD

27h 00m

1 stop

£879KLM

토, 6 6월 - 토, 13 6월

15:39 - 09:50

BWI

CWL

13h 11m

2 stops

10:20 - 10:29

CWL

BWI

28h 09m

2 stops

£908KLM

금, 6 3월 - 금, 13 3월

12:30 - 16:45

IAD

CWL

23h 15m

2 stops

09:45 - 15:35

CWL

IAD

10h 50m

1 stop

£973Scandinavian Airlines

토, 6 6월 - 토, 13 6월

12:30 - 16:45

IAD

CWL

23h 15m

2 stops

17:35 - 19:16

CWL

IAD

30h 41m

2 stops

£980Scandinavian Airlines

토, 6 6월 - 토, 13 6월

09:40 - 12:00

DCA

CWL

21h 20m

2 stops

20:05 - 10:21

CWL

DCA

42h 16m

3 stops

£1,122Multiple Airlines

토, 7 3월 - 토, 14 3월

Delta flights from Washington, D.C. to Cardiff

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

Delta

6 Mar

DCA11:06Washington, D.C. Reagan-National

17h 44m

2 stops

CWL09:50Cardiff Wales

13 Mar

CWL10:20Cardiff Wales

16h 31m

2 stops

DCA22:51Washington, D.C. Reagan-National

£593

Delta

6 May

DCA17:00Washington, D.C. Reagan-National

18h 45m

2 stops

CWL16:45Cardiff Wales

27 May

CWL09:45Cardiff Wales

18h 06m

2 stops

DCA22:51Washington, D.C. Reagan-National

£631

Delta

17 May

IAD17:40Washington, D.C. Dulles Intl

10h 35m

1 stop

CWL09:15Cardiff Wales

27 May

CWL09:45Cardiff Wales

19h 24m

2 stops

IAD00:09Washington, D.C. Dulles Intl

£657

Aer Lingus flights from Washington, D.C. to Cardiff

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

Aer Lingus

18 May

BWI21:30Baltimore/Washington

33h 00m

2 stops

CWL11:30Cardiff Wales

27 May

CWL12:00Cardiff Wales

36h 40m

2 stops

BWI19:40Baltimore/Washington

£971

Aer Lingus

6 Jun

BWI21:30Baltimore/Washington

33h 00m

2 stops

CWL11:30Cardiff Wales

13 Jun

CWL12:00Cardiff Wales

36h 45m

2 stops

BWI19:45Baltimore/Washington

£1,179

Aer Lingus

7 Mar

BWI20:35Baltimore/Washington

18h 10m

2 stops

CWL19:45Cardiff Wales

14 Mar

CWL12:00Cardiff Wales

35h 45m

2 stops

BWI19:45Baltimore/Washington

£1,289

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

금 6/3

11:06-09:50

2 stops17h 44m

Cardiff Wales

금 13/3

10:20-22:51

2 stops16h 31m

£593

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

수 6/5

17:00-16:45

2 stops18h 45m

Cardiff Wales

수 27/5

09:45-22:51

2 stops18h 06m

£631

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

수 6/5

18:10-09:15

1 stop10h 05m

Cardiff Wales

수 27/5

09:45-15:35

1 stop10h 50m

£703

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

토 7/3

18:05-09:50

1 stop10h 45m

Cardiff Wales

토 14/3

17:25-17:05

1 stop27h 40m

£715

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

토 7/3

17:05-18:00

2 stops19h 55m

Cardiff Wales

토 14/3

20:05-20:30

1 stop28h 25m

£756

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

토 6/6

17:40-16:45

1 stop18h 05m

Cardiff Wales

토 13/6

17:35-15:35

1 stop27h 00m

£879

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

금 6/3

15:39-09:50

2 stops13h 11m

Cardiff Wales

금 13/3

10:20-10:29

2 stops28h 09m

£908

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

토 6/6

12:30-16:45

2 stops23h 15m

Cardiff Wales

토 13/6

09:45-15:35

1 stop10h 50m

£973

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

토 6/6

12:30-16:45

2 stops23h 15m

Cardiff Wales

토 13/6

17:35-19:16

2 stops30h 41m

£980

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

토 7/3

09:40-12:00

2 stops21h 20m

Cardiff Wales

토 14/3

20:05-10:21

3 stops42h 16m

£1,122

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 12h 05m on average. Another popular route from Washington, D.C. to Cardiff is flying from Baltimore to Cardiff, which will take roughly 13h 11m. 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	9h 55m
Direct flights	None

The fastest flight from Washington, D.C. to Cardiff takes 9h 55m

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 9h 55m, 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.