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Cheap flights from Cardiff to Washington, D.C. from £534

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Washington, D.C. departing on 20/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Cardiff to Washington, D.C.

Cheap return flights

KLM Logo
09:50 - 19:51CWL-IAD
15h 01m2 stops
KLM Logo
17:25 - 09:15IAD-CWL
10h 50m1 stop
£814KLM
Find Deal
Fri, 8 Aug - Fri, 15 Aug
Delta Logo
09:50 - 19:51CWL-IAD
15h 01m2 stops
Delta Logo
12:13 - 09:15IAD-CWL
16h 02m2 stops
£825Delta
Find Deal
Fri, 8 Aug - Fri, 15 Aug
 Logo
20:30 - 20:50CWL-IAD
29h 20m2 stops
 Logo
17:20 - 07:25IAD-CWL
9h 05m1 stop
Wed, 23 Jul - Wed, 30 Jul
 Logo
09:50 - 15:35CWL-IAD
10h 45m1 stop
 Logo
17:25 - 09:15IAD-CWL
10h 50m1 stop
Wed, 23 Jul - Wed, 30 Jul
 Logo
20:30 - 20:50CWL-IAD
29h 20m2 stops
 Logo
22:20 - 19:40IAD-CWL
16h 20m2 stops
Wed, 23 Jul - Wed, 30 Jul
KLM Logo
09:50 - 15:35CWL-IAD
10h 45m1 stop
KLM Logo
17:25 - 09:15IAD-CWL
10h 50m1 stop
£860KLM
Find Deal
Fri, 8 Aug - Fri, 15 Aug
 Logo
11:00 - 15:50CWL-IAD
33h 50m1 stop
 Logo
17:20 - 12:45IAD-CWL
14h 25m1 stop
Sun, 10 Aug - Sun, 17 Aug
KLM Logo
17:20 - 15:35CWL-IAD
27h 15m1 stop
KLM Logo
20:23 - 16:45IAD-CWL
15h 22m2 stops
£913KLM
Find Deal
Sun, 10 Aug - Sun, 17 Aug
 Logo
11:00 - 22:55CWL-IAD
16h 55m3 stops
 Logo
09:45 - 12:45IAD-CWL
22h 00m2 stops
Sun, 10 Aug - Sun, 17 Aug
 Logo
11:00 - 22:55CWL-IAD
16h 55m3 stops
 Logo
10:20 - 12:45IAD-CWL
21h 25m3 stops
Sun, 10 Aug - Sun, 17 Aug

KLM flights from Cardiff to Washington, D.C.

Our best KLM deals on Cardiff to Washington, D.C. flight tickets
KLM
8 Aug
CWL09:50Cardiff Wales
15h 01m
2 stops
IAD19:51Washington, D.C. Dulles Intl
15 Aug
IAD17:25Washington, D.C. Dulles Intl
10h 50m
1 stop
CWL09:15Cardiff Wales
KLM
8 Aug
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
15 Aug
IAD17:25Washington, D.C. Dulles Intl
10h 50m
1 stop
CWL09:15Cardiff Wales
KLM
10 Aug
CWL17:20Cardiff Wales
27h 15m
1 stop
IAD15:35Washington, D.C. Dulles Intl
17 Aug
IAD20:23Washington, D.C. Dulles Intl
15h 22m
2 stops
CWL16:45Cardiff Wales

Delta flights from Cardiff to Washington, D.C.

Our best Delta deals on Cardiff to Washington, D.C. flight tickets
Delta
8 Aug
CWL09:50Cardiff Wales
15h 01m
2 stops
IAD19:51Washington, D.C. Dulles Intl
15 Aug
IAD12:13Washington, D.C. Dulles Intl
16h 02m
2 stops
CWL09:15Cardiff Wales
Delta
28 Jun
CWL09:45Cardiff Wales
18h 19m
2 stops
BWI23:04Baltimore/Washington
19 Jul
BWI14:20Baltimore/Washington
13h 55m
2 stops
CWL09:15Cardiff Wales
Delta
28 Jun
CWL09:45Cardiff Wales
18h 19m
2 stops
BWI23:04Baltimore/Washington
19 Jul
BWI14:20Baltimore/Washington
13h 55m
2 stops
CWL09:15Cardiff Wales

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

£534

Fastest flight time

10h 45m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Cardiff in the past 72 hours is £534. The best return flight deal from Cardiff to Washington, D.C. found on momondo in the last 72 hours is £814.
The fastest flight from Cardiff to Washington, D.C. takes 10h 45m
There are no direct flights from Cardiff to Washington, D.C.. Popular non-direct routes for this connection are Cardiff Wales Airport - Baltimore/Washington Airport, Cardiff Wales Airport - Washington, D.C. Reagan-National Airport and Cardiff Wales Airport - Washington, D.C. Dulles Intl Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    There are 3537.5 mi between Cardiff Wales and Washington, D.C.. 10h 45m 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.


  • How do I get Price Alerts for flights from Cardiff to Washington, D.C.?

    Search flight deals from Cardiff to Washington, D.C.. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Cardiff to Washington, D.C. with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.


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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
National Harbor
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Cambridge
Hanover
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring

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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1 adult
Wed 2/7
Wed 9/7

Find better results for your trip to the United States

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

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.