Cheap flights from Cardiff to Washington, D.C. from £518

This is the cheapest return 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 31/8. 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

 Logo
11:00 - 18:55CWL-IAD
12h 55m1 stop
 Logo
17:20 - 12:45IAD-CWL
14h 25m1 stop
sø., 31 aug. - sø., 7 sep.
 Logo
09:00 - 15:50CWL-IAD
11h 50m1 stop
 Logo
20:25 - 10:35IAD-CWL
9h 10m1 stop
lø., 30 aug. - lø., 6 sep.
 Logo
11:00 - 18:55CWL-IAD
12h 55m1 stop
 Logo
17:20 - 09:15IAD-CWL
34h 55m2 stops
sø., 31 aug. - sø., 7 sep.
 Logo
20:45 - 17:40CWL-BWI
25h 55m3 stops
 Logo
18:50 - 12:45BWI-CWL
12h 55m2 stops
sø., 31 aug. - sø., 7 sep.
Delta Logo
09:50 - 15:35CWL-IAD
10h 45m1 stop
Delta Logo
20:23 - 16:45IAD-CWL
15h 22m2 stops
£659Delta
Find Deal
sø., 31 aug. - sø., 7 sep.
Delta Logo
09:50 - 22:12CWL-DCA
17h 22m2 stops
Delta Logo
17:00 - 16:45DCA-CWL
18h 45m2 stops
£664Delta
Find Deal
sø., 31 aug. - sø., 7 sep.
KLM Logo
17:15 - 17:20CWL-BWI
29h 05m2 stops
KLM Logo
12:17 - 09:15BWI-CWL
15h 58m2 stops
£674KLM
Find Deal
ma., 1 sep. - ma., 8 sep.
Virgin Atlantic Logo
09:45 - 15:35CWL-IAD
10h 50m1 stop
Virgin Atlantic Logo
09:00 - 09:15IAD-CWL
19h 15m2 stops
£690Virgin Atlantic
Find Deal
lø., 30 aug. - lø., 6 sep.
Air France Logo
09:45 - 19:15CWL-IAD
14h 30m2 stops
Air France Logo
21:20 - 16:50IAD-CWL
14h 30m2 stops
£3,232Air France
Find Deal
lø., 16 aug. - lø., 23 aug.
KLM Logo
09:50 - 00:23CWL-BWI
19h 33m2 stops
KLM Logo
18:59 - 16:45BWI-CWL
16h 46m2 stops
£3,906KLM
Find Deal
lø., 23 aug. - lø., 30 aug.

Delta flights from Cardiff to Washington, D.C.

Our best Delta deals on Cardiff to Washington, D.C. flight tickets
Delta
31 Aug
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
7 Sept
IAD20:23Washington, D.C. Dulles Intl
15h 22m
2 stops
CWL16:45Cardiff Wales
Delta
31 Aug
CWL09:50Cardiff Wales
17h 22m
2 stops
DCA22:12Washington, D.C. Reagan-National
7 Sept
DCA17:00Washington, D.C. Reagan-National
18h 45m
2 stops
CWL16:45Cardiff Wales
Delta
30 Aug
CWL09:45Cardiff Wales
18h 36m
2 stops
IAD23:21Washington, D.C. Dulles Intl
6 Sept
IAD12:39Washington, D.C. Dulles Intl
15h 36m
2 stops
CWL09:15Cardiff Wales

KLM flights from Cardiff to Washington, D.C.

Our best KLM deals on Cardiff to Washington, D.C. flight tickets
KLM
1 Sept
CWL17:15Cardiff Wales
29h 05m
2 stops
BWI17:20Baltimore/Washington
8 Sept
BWI12:17Baltimore/Washington
15h 58m
2 stops
CWL09:15Cardiff Wales
KLM
23 Aug
CWL09:50Cardiff Wales
19h 33m
2 stops
BWI00:23Baltimore/Washington
30 Aug
BWI18:59Baltimore/Washington
16h 46m
2 stops
CWL16:45Cardiff Wales
KLM
16 Aug
CWL09:45Cardiff Wales
14h 30m
2 stops
IAD19:15Washington, D.C. Dulles Intl
23 Aug
IAD17:25Washington, D.C. Dulles Intl
10h 50m
1 stop
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

£518

Fastest flight time

10h 45m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best flight deal from Cardiff to Washington, D.C. found on momondo in the last 72 hours is £518
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
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

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
on. 23/7
on. 30/7

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.