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Cheap flights from Washington, D.C. to Cardiff from £394

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 10m1 stop Dublin
Multiple Airlines Logo
09:05 - 16:20CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 15m2 stops Alicante Madrid Barajas
£638Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec
Multiple Airlines Logo
19:40 - 08:10IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 30m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
£706Multiple Airlines
Sat, 14 Nov - Sat, 21 Nov
Multiple Airlines Logo
17:15 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 25m1 stop Dublin
Multiple Airlines Logo
08:35 - 19:20CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Dublin
£734Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:50 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 10m1 stop Dublin
Multiple Airlines Logo
14:25 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
30h 20m1 stop Dublin
£736Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec
Multiple Airlines Logo
19:40 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:35 - 14:40CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 05m2 stops Dublin Lisbon Humberto Delgado
£823Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
19:40 - 11:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
35h 05m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City
Multiple Airlines Logo
08:35 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 10m1 stop Dublin
£824Multiple Airlines
Mon, 16 Nov - Mon, 23 Nov
Multiple Airlines Logo
17:50 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 50m2 stops Madrid Barajas Dublin
Multiple Airlines Logo
08:35 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 10m1 stop Dublin
£825Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
19:40 - 11:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
35h 05m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City
Multiple Airlines Logo
08:35 - 14:40CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 05m2 stops Dublin Lisbon Humberto Delgado
£834Multiple Airlines
Mon, 16 Nov - Mon, 23 Nov
Multiple Airlines Logo
19:40 - 08:30IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 50m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
£838Multiple Airlines
Sat, 14 Nov - Sat, 21 Nov
Multiple Airlines Logo
19:40 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
12h 20m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:05 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 40m2 stops Alicante Dublin
£852Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec

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KLM flights from Washington, D.C. to Cardiff

Our best KLM deals on Washington, D.C. to Cardiff flight tickets
KLM
18 Nov
IAD18:15Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:45Cardiff Wales
26 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£868
KLM
18 Nov
IAD12:35Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:45Cardiff Wales
26 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£871
KLM
16 Nov
IAD18:15Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:45Cardiff Wales
23 Nov
CWL17:30Cardiff Wales
27h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£905

Air Europa flights from Washington, D.C. to Cardiff

Our best Air Europa deals on Washington, D.C. to Cardiff flight tickets
Air Europa
18 Nov
IAD12:35Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:45Cardiff Wales
26 Nov
CWL10:20Cardiff Wales
29h 58m
2 stops
IAD11:18Washington, D.C. Dulles Intl
£936
Air Europa
9 Dec
IAD18:20Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:50Cardiff Wales
16 Dec
CWL17:30Cardiff Wales
27h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£958
Air Europa
9 Oct
IAD17:30Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:15Cardiff Wales
14 Oct
CWL17:15Cardiff Wales
27h 20m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£1,127

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Cardiff that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Wed 9/12

20:50-13:00

1 stop11h 10m

Cardiff Wales

Sun 13/12

09:05-16:20

2 stops36h 15m

£638

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Sat 14/11

19:40-08:10

2 stops31h 30m

Cardiff Wales

Sat 21/11

08:15-15:45

1 stop12h 30m

£706

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

17:15-15:40

1 stop17h 25m

Cardiff Wales

Mon 16/11

08:35-19:20

1 stop15h 45m

£734

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Wed 9/12

20:50-13:00

1 stop11h 10m

Cardiff Wales

Sun 13/12

14:25-15:45

1 stop30h 20m

£736

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

19:40-15:40

2 stops15h 00m

Cardiff Wales

Mon 16/11

08:35-14:40

2 stops35h 05m

£823

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Mon 16/11

19:40-11:45

3 stops35h 05m

Cardiff Wales

Mon 23/11

08:35-15:45

1 stop12h 10m

£824
Fastest return journey

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

17:50-15:40

2 stops16h 50m

Cardiff Wales

Mon 16/11

08:35-15:45

1 stop12h 10m

£825

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Mon 16/11

19:40-11:45

3 stops35h 05m

Cardiff Wales

Mon 23/11

08:35-14:40

2 stops35h 05m

£834

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Sat 14/11

19:40-08:30

3 stops31h 50m

Cardiff Wales

Sat 21/11

08:15-15:45

1 stop12h 30m

£838

Washington, D.C.Cardiff

IAD Washington, D.C. Dulles Intl - CWL Cardiff Wales

IADCWL

Washington, D.C. Dulles Intl

Wed 9/12

19:40-13:00

2 stops12h 20m

Cardiff Wales

Sun 13/12

09:05-15:45

2 stops35h 40m

£852

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Cardiff from

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

What is the cheapest airline that flies from Washington, D.C. to Cardiff Wales?

Delta is the most popular carrier operating from Washington, D.C. to Cardiff Wales

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

£394

Fastest flight time

11h 05m

Direct flights

None
The best one-way flight to Cardiff from Washington, D.C. in the past 72 hours is £394. The best return flight deal from Washington, D.C. to Cardiff found on momondo in the last 72 hours is £638.
The fastest flight from Washington, D.C. to Cardiff takes 11h 05m
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

Frequently asked questions about flying from Washington, D.C. to Cardiff

  • 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 11h 05m, 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.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
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.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport