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Cheap flights from Cardiff to Washington, D.C. from £644

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
08:15 - 18:30CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
15h 15m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
19:40 - 13:55IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
13h 15m2 stops Reykjavik Keflavik Intl Dublin
£644Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
Multiple Airlines Logo
20:50 - 13:55IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
12h 05m1 stop Dublin
£658Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Virgin Atlantic Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
18:15 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 35m1 stop Amsterdam Schiphol
£697Virgin Atlantic
Fri, 4 Dec - Fri, 11 Dec
KLM Logo
10:20 - 23:23CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
18h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
KLM Logo
18:15 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 35m1 stop Amsterdam Schiphol
£703KLM
Fri, 4 Dec - Fri, 11 Dec
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
KLM Logo
18:15 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 30m1 stop Amsterdam Schiphol
£712KLM
Wed, 18 Nov - Wed, 25 Nov
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
KLM Logo
12:35 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£726KLM
Wed, 18 Nov - Wed, 25 Nov
KLM Logo
17:30 - 17:28CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
28h 58m2 stops Amsterdam Schiphol New York John F Kennedy Intl
KLM Logo
18:20 - 17:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£730KLM
Wed, 18 Nov - Wed, 25 Nov
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
Multiple Airlines Logo
17:15 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
35h 35m2 stops Dublin Amsterdam Schiphol
£750Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
08:15 - 18:30CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
15h 15m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
19:40 - 09:50IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
33h 10m3 stops Reykjavik Keflavik Intl Dublin Amsterdam Schiphol
£765Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
16:05 - 17:00CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
29h 55m2 stops Dublin Zurich
Multiple Airlines Logo
16:30 - 17:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
19h 30m3 stops Toronto Pearson Intl Dublin Amsterdam Schiphol
£824Multiple Airlines
Fri, 4 Dec - Fri, 11 Dec

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

Our best Virgin Atlantic deals on Cardiff to Washington, D.C. flight tickets
Virgin Atlantic
4 Dec
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
11 Dec
IAD18:15Washington, D.C. Dulles Intl
10h 35m
1 stop
CWL09:50Cardiff Wales
£697
Virgin Atlantic
17 Feb
CWL10:20Cardiff Wales
17h 42m
2 stops
IAD23:02Washington, D.C. Dulles Intl
18 Feb
IAD18:30Washington, D.C. Dulles Intl
17h 30m
2 stops
CWL17:00Cardiff Wales
£4,195
Virgin Atlantic
17 Feb
CWL10:20Cardiff Wales
17h 42m
2 stops
IAD23:02Washington, D.C. Dulles Intl
18 Feb
IAD17:45Washington, D.C. Dulles Intl
18h 15m
1 stop
CWL17:00Cardiff Wales
£4,212

KLM flights from Cardiff to Washington, D.C.

Our best KLM deals on Cardiff to Washington, D.C. flight tickets
KLM
4 Dec
CWL10:20Cardiff Wales
18h 03m
2 stops
IAD23:23Washington, D.C. Dulles Intl
11 Dec
IAD18:15Washington, D.C. Dulles Intl
10h 35m
1 stop
CWL09:50Cardiff Wales
£703
KLM
18 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
25 Nov
IAD18:15Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:45Cardiff Wales
£712
KLM
18 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
25 Nov
IAD12:35Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:45Cardiff Wales
£726

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

Sat 5/12

08:15-18:30

2 stops15h 15m

Washington, D.C. Dulles Intl

Sat 12/12

19:40-13:55

2 stops13h 15m

£644
Fastest return journey

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sat 5/12

08:15-15:45

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 12/12

20:50-13:55

1 stop12h 05m

£658

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 4/12

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Fri 11/12

18:15-09:50

1 stop10h 35m

£697

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 4/12

10:20-23:23

2 stops18h 03m

Washington, D.C. Dulles Intl

Fri 11/12

18:15-09:50

1 stop10h 35m

£703

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 18/11

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Wed 25/11

18:15-09:45

1 stop10h 30m

£712

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 18/11

17:30-15:55

1 stop27h 25m

Washington, D.C. Dulles Intl

Wed 25/11

12:35-09:45

2 stops16h 10m

£726

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Wed 18/11

17:30-17:28

2 stops28h 58m

Washington, D.C. Dulles Intl

Wed 25/11

18:20-17:00

2 stops17h 40m

£730

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sat 5/12

08:15-15:45

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 12/12

17:15-09:50

2 stops35h 35m

£750

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Sat 5/12

08:15-18:30

2 stops15h 15m

Washington, D.C. Dulles Intl

Sat 12/12

19:40-09:50

3 stops33h 10m

£765

CardiffWashington, D.C.

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

CWLIAD

Cardiff Wales

Fri 4/12

16:05-17:00

2 stops29h 55m

Washington, D.C. Dulles Intl

Fri 11/12

16:30-17:00

3 stops19h 30m

£824

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

£868

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Washington, D.C. from Cardiff in the past 72 hours is £868. The best return flight deal from Cardiff to Washington, D.C. found on momondo in the last 72 hours is £644.
The fastest flight from Cardiff to Washington, D.C. takes 15h 15m
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.. 15h 15m 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
Lexington Park
Woodbridge
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?

Yes. momondo can track prices for Cardiff to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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