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Cheap flights from Cardiff to Washington, D.C. from £658

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
KLM Logo
17:45 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 05m1 stop Amsterdam Schiphol
£658KLM
Fri, 20 Nov - Tue, 24 Nov
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
KLM Logo
12:38 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 07m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£659KLM
Thu, 3 Dec - Mon, 7 Dec
Delta Logo
10:20 - 23:23CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
18h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
18:20 - 17:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£661Delta
Thu, 3 Dec - Mon, 7 Dec
KLM Logo
17:30 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Amsterdam Schiphol
KLM Logo
18:15 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 30m1 stop Amsterdam Schiphol
£710KLM
Mon, 30 Nov - Mon, 7 Dec
KLM Logo
17:30 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Amsterdam Schiphol
KLM Logo
12:38 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 07m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£724KLM
Mon, 30 Nov - Mon, 7 Dec
KLM Logo
17:30 - 16:23CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 53m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
KLM Logo
12:38 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 07m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£727KLM
Mon, 30 Nov - Mon, 7 Dec
Virgin Atlantic Logo
17:30 - 16:50CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
28h 20m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Virgin Atlantic Logo
12:27 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 23m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£734Virgin Atlantic
Tue, 16 Feb - Tue, 23 Feb
KLM Logo
10:20 - 00:41CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
19h 21m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
17:45 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 05m1 stop Amsterdam Schiphol
£735KLM
Fri, 11 Dec - Tue, 15 Dec
Virgin Atlantic Logo
10:20 - 17:30CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 10m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Virgin Atlantic Logo
17:45 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 05m1 stop Amsterdam Schiphol
£763Virgin Atlantic
Thu, 11 Feb - Thu, 25 Feb
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
KLM Logo
17:45 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 05m1 stop Amsterdam Schiphol
£780KLM
Fri, 11 Dec - Tue, 15 Dec

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KLM flights from Cardiff to Washington, D.C. Dulles Intl Airport

Our best KLM deals on Cardiff to Washington, D.C. Dulles Intl Airport flight tickets
KLM
20 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
24 Nov
IAD17:45Washington, D.C. Dulles Intl
11h 05m
1 stop
CWL09:50Cardiff Wales
£658
KLM
3 Dec
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
7 Dec
IAD12:38Washington, D.C. Dulles Intl
16h 07m
2 stops
CWL09:45Cardiff Wales
£659
KLM
30 Nov
CWL17:30Cardiff Wales
27h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
7 Dec
IAD18:15Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:45Cardiff Wales
£710

Virgin Atlantic flights from Cardiff to Washington, D.C. Dulles Intl Airport

Our best Virgin Atlantic deals on Cardiff to Washington, D.C. Dulles Intl Airport flight tickets
Virgin Atlantic
16 Feb
CWL17:30Cardiff Wales
28h 20m
2 stops
IAD16:50Washington, D.C. Dulles Intl
23 Feb
IAD12:27Washington, D.C. Dulles Intl
16h 23m
2 stops
CWL09:50Cardiff Wales
£734
Virgin Atlantic
11 Feb
CWL10:20Cardiff Wales
36h 10m
2 stops
IAD17:30Washington, D.C. Dulles Intl
25 Feb
IAD17:45Washington, D.C. Dulles Intl
11h 05m
1 stop
CWL09:50Cardiff Wales
£763
Virgin Atlantic
20 Nov
CWL17:30Cardiff Wales
28h 58m
2 stops
IAD17:28Washington, D.C. Dulles Intl
24 Nov
IAD11:37Washington, D.C. Dulles Intl
17h 13m
2 stops
CWL09:50Cardiff Wales
£791

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 20/11

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Tue 24/11

17:45-09:50

1 stop11h 05m

£658

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Thu 3/12

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Mon 7/12

12:38-09:45

2 stops16h 07m

£659

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Thu 3/12

10:20-23:23

2 stops18h 03m

Washington, D.C. Dulles Intl

Mon 7/12

18:20-17:00

2 stops17h 40m

£661

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Mon 30/11

17:30-15:45

1 stop27h 15m

Washington, D.C. Dulles Intl

Mon 7/12

18:15-09:45

1 stop10h 30m

£710

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Mon 30/11

17:30-15:45

1 stop27h 15m

Washington, D.C. Dulles Intl

Mon 7/12

12:38-09:45

2 stops16h 07m

£724

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Mon 30/11

17:30-16:23

2 stops27h 53m

Washington, D.C. Dulles Intl

Mon 7/12

12:38-09:45

2 stops16h 07m

£727

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Tue 16/2

17:30-16:50

2 stops28h 20m

Washington, D.C. Dulles Intl

Tue 23/2

12:27-09:50

2 stops16h 23m

£734
Fastest return journey

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 11/12

10:20-00:41

2 stops19h 21m

Washington, D.C. Dulles Intl

Tue 15/12

17:45-09:50

1 stop11h 05m

£735

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Thu 11/2

10:20-17:30

2 stops36h 10m

Washington, D.C. Dulles Intl

Thu 25/2

17:45-09:50

1 stop11h 05m

£763

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 11/12

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Tue 15/12

17:45-09:50

1 stop11h 05m

£780

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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Can stopping save me money on Cardiff to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 48% on your flight if you consider stops on a Cardiff to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Cardiff to Washington, D.C. Dulles Intl Airport

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

Cheap Cardiff to Washington, D.C. Dulles Intl Airport (CWL to IAD) flight deals and tips

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

Best price found

£658

Fastest flight time

19h 21m

Direct flights

None
The best flight deal from Cardiff to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £658
The fastest flight from Cardiff to Washington, D.C. Dulles Intl Airport takes 19h 21m
There are no direct flights from Cardiff to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Cardiff to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Cardiff to Washington, D.C. Dulles Intl Airport

  • How far is Cardiff Wales to Washington, D.C. Dulles Intl by plane?

    Cardiff Wales and Washington, D.C. Dulles Intl are 3552.6 mi apart from one another. A reasonable flight in good conditions will take 19h 21m.

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

    Prices for flights from Cardiff Wales Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Springfield
Arlington
National Harbor
College Park
Fairfax
Sterling
Lutherville Timonium
Linthicum Heights
Gettysburg
Ellicott City
Glen Burnie
Laurel
Winchester
Woodbridge
Lexington Park
Leesburg
Bethesda
Silver Spring
Rockville

Why use momondo?

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

Finding the right flight to Washington, D.C. from Cardiff 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 Washington, D.C. quick and easy, saving you time and money.

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

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

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

Once all potential Cardiff to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Cardiff to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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