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Cheap flights from Cardiff to Washington, D.C. from £630

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.
Multiple Airlines Logo
07:50 - 15:10CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 20m2 stops Malaga Lisbon Humberto Delgado
Multiple Airlines Logo
17:15 - 16:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
18h 30m1 stop Dublin
£630Multiple Airlines
Wed, 14 Apr - Wed, 28 Apr
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
Multiple Airlines Logo
16:10 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
28h 35m1 stop Dublin
Multiple Airlines Logo
17:15 - 16:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
18h 30m1 stop Dublin
£713Multiple Airlines
Wed, 14 Apr - Wed, 28 Apr
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
Multiple Airlines Logo
07:50 - 15:10CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 20m3 stops Malaga Barcelona-El Prat Lisbon Humberto Delgado
Multiple Airlines Logo
09:55 - 16:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
25h 50m2 stops Toronto Pearson Intl Dublin
£733Multiple Airlines
Wed, 14 Apr - Wed, 28 Apr
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
Virgin Atlantic Logo
09:50 - 00:20CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
19h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
10:05 - 09:15IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
18h 10m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£779Virgin Atlantic
Wed, 14 Apr - Wed, 28 Apr

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KLM flights from Cardiff to Washington, D.C.

Our best KLM deals on Cardiff to Washington, D.C. flight tickets
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
KLM
30 Nov
CWL17:30Cardiff Wales
27h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
7 Dec
IAD12:38Washington, D.C. Dulles Intl
16h 07m
2 stops
CWL09:45Cardiff Wales
£724
KLM
30 Nov
CWL17:30Cardiff Wales
27h 53m
2 stops
IAD16:23Washington, D.C. Dulles Intl
7 Dec
IAD12:38Washington, D.C. Dulles Intl
16h 07m
2 stops
CWL09:45Cardiff Wales
£727

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

Our best Virgin Atlantic deals on Cardiff to Washington, D.C. 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
14 Apr
CWL09:50Cardiff Wales
19h 30m
2 stops
IAD00:20Washington, D.C. Dulles Intl
28 Apr
IAD10:05Washington, D.C. Dulles Intl
18h 10m
2 stops
CWL09:15Cardiff Wales
£779

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 14/4

07:50-15:10

2 stops36h 20m

Washington, D.C. Dulles Intl

Wed 28/4

17:15-16:45

1 stop18h 30m

£630

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

Wed 14/4

16:10-15:45

1 stop28h 35m

Washington, D.C. Dulles Intl

Wed 28/4

17:15-16:45

1 stop18h 30m

£713

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

Wed 14/4

07:50-15:10

3 stops36h 20m

Washington, D.C. Dulles Intl

Wed 28/4

09:55-16:45

2 stops25h 50m

£733

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

Wed 14/4

09:50-00:20

2 stops19h 30m

Washington, D.C. Dulles Intl

Wed 28/4

10:05-09:15

2 stops18h 10m

£779

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

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

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

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

You could potentially save up to 61% on your flight if you consider stops on a Cardiff to Washington, D.C. flight.

When to book flights from Cardiff to Washington, D.C.

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

Cheap Cardiff to Washington, D.C. (CWL to WAS) flight deals and tips

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

Best price found

£630

Fastest flight time

17h 49m

Direct flights

None
The best flight deal from Cardiff to Washington, D.C. found on momondo in the last 72 hours is £630
The fastest flight from Cardiff to Washington, D.C. takes 17h 49m
There are no direct flights from Cardiff to Washington, D.C.. There are no popular flight routes from Cardiff to Washington, D.C..
Search flight deals

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

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

    There are 3537.5 mi between Cardiff Wales and Washington, D.C.. 17h 49m is a normal flight duration for this route.

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

    Prices for flights from Cardiff Wales Airport to Washington, D.C. refresh daily.

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

    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 Cardiff Wales Airport to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. 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.. 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
Lutherville Timonium
Linthicum Heights
Gettysburg
Ellicott City
Glen Burnie
Laurel
Woodbridge
Lexington Park
Bethesda
Silver Spring
Rockville
Landover

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. momondo enables you to select and highlight flights to Washington, D.C. from Cardiff with this policy.

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

momondo helps you find the best flight between Cardiff and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport