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Cheap flights from Washington, D.C. to Cardiff from £612

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Cardiff departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Washington, D.C. to Cardiff

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. to Cardiff.
Delta Logo
17:25 - 16:45IAD-CWL
18h 20m1 stop
Delta Logo
09:50 - 15:35CWL-IAD
10h 45m1 stop
£612Delta
Find Deal
Wed, 3 Sep - Tue, 16 Sep
KLM Logo
17:25 - 16:45IAD-CWL
18h 20m1 stop
KLM Logo
09:50 - 15:35CWL-IAD
10h 45m1 stop
£613KLM
Find Deal
Tue, 23 Sep - Mon, 29 Sep
Virgin Atlantic Logo
12:30 - 09:15IAD-CWL
15h 45m2 stops
Virgin Atlantic Logo
09:50 - 21:13CWL-IAD
16h 23m2 stops
£623Virgin Atlantic
Find Deal
Wed, 3 Sep - Tue, 16 Sep
 Logo
13:00 - 09:15BWI-CWL
15h 15m2 stops
 Logo
09:50 - 22:57CWL-BWI
18h 07m2 stops
Wed, 20 Aug - Wed, 27 Aug
 Logo
12:40 - 16:45IAD-CWL
47h 05m3 stops
 Logo
09:00 - 11:29CWL-IAD
31h 29m3 stops
Sat, 7 Jun - Sat, 14 Jun
Aer Lingus Logo
22:40 - 11:30IAD-CWL
31h 50m2 stops
Aer Lingus Logo
12:00 - 20:15CWL-IAD
37h 15m2 stops
£795Aer Lingus
Find Deal
Thu, 18 Sep - Tue, 30 Sep
Aer Lingus Logo
22:40 - 11:30IAD-CWL
31h 50m2 stops
Aer Lingus Logo
12:00 - 20:15CWL-IAD
37h 15m2 stops
£796Aer Lingus
Find Deal
Thu, 18 Sep - Tue, 30 Sep
Air France Logo
21:20 - 16:45IAD-CWL
14h 25m2 stops
Air France Logo
09:50 - 19:15CWL-IAD
14h 25m2 stops
£811Air France
Find Deal
Thu, 25 Sep - Sun, 28 Sep
Virgin Atlantic Logo
10:05 - 09:15IAD-CWL
18h 10m2 stops
Virgin Atlantic Logo
09:50 - 23:29CWL-IAD
18h 39m2 stops
£973Virgin Atlantic
Find Deal
Mon, 14 Jul - Wed, 16 Jul
Air France Logo
21:20 - 16:45IAD-CWL
14h 25m2 stops
Air France Logo
09:50 - 19:15CWL-IAD
14h 25m2 stops
£1,191Air France
Find Deal
Thu, 5 Jun - Sun, 15 Jun

Delta flights from Washington, D.C. to Cardiff

Our best Delta deals on Washington, D.C. to Cardiff flight tickets
Delta
3 Sept
IAD17:25Washington, D.C. Dulles Intl
18h 20m
1 stop
CWL16:45Cardiff Wales
16 Sept
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
Delta
3 Sept
IAD12:30Washington, D.C. Dulles Intl
15h 45m
2 stops
CWL09:15Cardiff Wales
16 Sept
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
Delta
2 May
IAD17:25Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:10Cardiff Wales
4 May
CWL09:50Cardiff Wales
15h 03m
2 stops
IAD19:53Washington, D.C. Dulles Intl

KLM flights from Washington, D.C. to Cardiff

Our best KLM deals on Washington, D.C. to Cardiff flight tickets
KLM
23 Sept
IAD17:25Washington, D.C. Dulles Intl
18h 20m
1 stop
CWL16:45Cardiff Wales
29 Sept
CWL09:50Cardiff Wales
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
KLM
23 Sept
IAD12:35Washington, D.C. Dulles Intl
15h 40m
2 stops
CWL09:15Cardiff Wales
29 Sept
CWL17:15Cardiff Wales
27h 20m
1 stop
IAD15:35Washington, D.C. Dulles Intl
KLM
23 Sept
IAD13:00Washington, D.C. Dulles Intl
15h 15m
2 stops
CWL09:15Cardiff Wales
30 Sept
CWL09:50Cardiff Wales
19h 17m
2 stops
IAD00:07Washington, D.C. Dulles Intl

See travel insights to Cardiff from

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

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

How long does it take to fly to Cardiff?

Flight times from Washington, D.C. to Cardiff vary, but if you’re flying out of Washington, D.C. and flying into Cardiff (one of the most popular routes), then the duration is 12h on average. Another popular route from Washington, D.C. to Cardiff is flying from Baltimore to Cardiff, which will take roughly 13h 41m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

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

Best price found

£1,090

Fastest flight time

9h 10m

Direct flights

None

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Washington, D.C. in the past 72 hours is £1,090. The best return flight deal from Washington, D.C. to Cardiff found on momondo in the last 72 hours is £612.
The fastest flight from Washington, D.C. to Cardiff takes 9h 10m
There are no direct flights from Washington, D.C. to Cardiff. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Cardiff Wales Airport, Baltimore/Washington Airport - Cardiff Wales Airport and Washington, D.C. Dulles Intl Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)

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

    Washington, D.C. and Cardiff Wales are 3537.5 mi apart from one another. Flights usually cover this in 9h 10m, depending on flying conditions and air traffic around both airports.

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

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

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

    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 Washington, D.C. to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Cardiff.

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

If you are simply researching potential flights to Cardiff, momondo offers a useful price alert feature which will track prices for flights to Cardiff from Washington, D.C. and alert you when they change.


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Airports servicing Wales