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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from $949

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 pm - 8:10 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
9:05 am - 4:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 15m2 stops Alicante Madrid Barajas
$949Multiple Airlines
Sun, Dec 6 - Sun, Dec 13
Multiple Airlines Logo
8:30 pm - 3:15 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
13h 45m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
5:30 pm - 7:00 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
30h 30m3 stops Dublin Madrid Barajas Casablanca Mohamed V
$1,019Multiple Airlines
Fri, Apr 9 - Tue, Apr 13
Multiple Airlines Logo
8:45 pm - 3:15 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
13h 30m1 stop Dublin
Multiple Airlines Logo
5:30 pm - 7:00 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
30h 30m3 stops Dublin Madrid Barajas Casablanca Mohamed V
$1,036Multiple Airlines
Fri, Apr 9 - Tue, Apr 13
Multiple Airlines Logo
9:55 am - 3:15 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
24h 20m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Dublin
Multiple Airlines Logo
5:30 pm - 7:00 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
30h 30m3 stops Dublin Madrid Barajas Casablanca Mohamed V
$1,054Multiple Airlines
Fri, Apr 9 - Tue, Apr 13
Multiple Airlines Logo
5:15 pm - 3:15 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 00m1 stop Dublin
Multiple Airlines Logo
3:50 pm - 8:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
33h 45m2 stops Faro Lisbon Humberto Delgado
$1,112Multiple Airlines
Fri, Apr 9 - Tue, Apr 13
Virgin Atlantic Logo
6:15 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 35m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 3:40 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 10m1 stop Amsterdam Schiphol
$1,173Virgin Atlantic
Mon, Mar 8 - Sat, Mar 13
Virgin Atlantic Logo
5:40 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 35m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
9:50 am - 3:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Amsterdam Schiphol
$1,177Virgin Atlantic
Fri, Apr 9 - Tue, Apr 13
Virgin Atlantic Logo
7:30 am - 9:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 20m2 stops Minneapolis St Paul Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 3:40 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 10m1 stop Amsterdam Schiphol
$1,177Virgin Atlantic
Mon, Mar 8 - Sat, Mar 13
Delta Logo
1:00 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:20 am - 11:02 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,187Delta
Mon, Mar 8 - Sat, Mar 13
Multiple Airlines Logo
7:40 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
35h 05m3 stops Reykjavik Keflavik Intl Manchester Belfast City
Multiple Airlines Logo
7:00 am - 7:05 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
17h 05m2 stops Malaga Casablanca Mohamed V
$1,211Multiple Airlines
Sun, Dec 6 - Sun, Dec 13

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Virgin Atlantic flights from Washington, D.C. Dulles Intl Airport to Cardiff

Our best Virgin Atlantic deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
Virgin Atlantic
Mar 8
IAD6:15 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
CWL9:50 amCardiff Wales
Mar 13
CWL5:30 pmCardiff Wales
27h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,173
Virgin Atlantic
Mar 8
IAD7:30 amWashington, D.C. Dulles Intl
21h 20m
2 stops
CWL9:50 amCardiff Wales
Mar 13
CWL5:30 pmCardiff Wales
27h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,177
Virgin Atlantic
Nov 16
IAD6:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
CWL5:00 pmCardiff Wales
Dec 12
CWL5:30 pmCardiff Wales
27h 10m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,422

Delta flights from Washington, D.C. Dulles Intl Airport to Cardiff

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
Delta
Mar 8
IAD1:00 pmWashington, D.C. Dulles Intl
15h 50m
2 stops
CWL9:50 amCardiff Wales
Mar 13
CWL10:20 amCardiff Wales
17h 42m
2 stops
IAD11:02 pmWashington, D.C. Dulles Intl
$1,187
Delta
Nov 16
IAD12:32 pmWashington, D.C. Dulles Intl
16h 13m
2 stops
CWL9:45 amCardiff Wales
Dec 12
CWL10:20 amCardiff Wales
19h 21m
2 stops
IAD12:41 amWashington, D.C. Dulles Intl
$1,437

momondo Fare Finder

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

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Price

Cheapest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 12/6

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/13

9:05 am-4:20 pm

2 stops36h 15m

$949

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 4/9

8:30 pm-3:15 pm

2 stops13h 45m

Cardiff Wales

Tue 4/13

5:30 pm-7:00 pm

3 stops30h 30m

$1,019

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 4/9

8:45 pm-3:15 pm

1 stop13h 30m

Cardiff Wales

Tue 4/13

5:30 pm-7:00 pm

3 stops30h 30m

$1,036

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 4/9

9:55 am-3:15 pm

3 stops24h 20m

Cardiff Wales

Tue 4/13

5:30 pm-7:00 pm

3 stops30h 30m

$1,054

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 4/9

5:15 pm-3:15 pm

1 stop17h 00m

Cardiff Wales

Tue 4/13

3:50 pm-8:35 pm

2 stops33h 45m

$1,112

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 3/8

6:15 pm-9:50 am

1 stop10h 35m

Cardiff Wales

Sat 3/13

5:30 pm-3:40 pm

1 stop27h 10m

$1,173
Quickest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 4/9

5:40 pm-9:15 am

1 stop10h 35m

Cardiff Wales

Tue 4/13

9:50 am-3:35 pm

1 stop10h 45m

$1,177

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 3/8

7:30 am-9:50 am

2 stops21h 20m

Cardiff Wales

Sat 3/13

5:30 pm-3:40 pm

1 stop27h 10m

$1,177

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 3/8

1:00 pm-9:50 am

2 stops15h 50m

Cardiff Wales

Sat 3/13

10:20 am-11:02 pm

2 stops17h 42m

$1,187

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 12/6

7:40 pm-11:45 am

3 stops35h 05m

Cardiff Wales

Sun 12/13

7:00 am-7:05 pm

2 stops17h 05m

$1,211

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Cardiff

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

Cheap Washington, D.C. Dulles Intl Airport to Cardiff (IAD to CWL) flight deals and tips

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

Best Price Found

$949

Fastest flight time

13h 45m

Direct flights

None
The best flight deal from Washington, D.C. Dulles Intl Airport to Cardiff found on momondo in the last 72 hours is $949
The fastest flight from Washington, D.C. Dulles Intl Airport to Cardiff takes 13h 45m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cardiff. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Cardiff.
Search flight deals

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

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

    Cardiff Wales is 3552.6 mi away from Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 13h 45m.

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

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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.

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

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

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Cardiff. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for 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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from Washington, D.C..

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

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

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

Once you have performed a search for Washington, D.C. to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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