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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from $777

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
6:15 pm - 2:55 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 40m1 stop Dublin
Multiple Airlines Logo
11:50 pm - 4:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
20h 55m1 stop Dublin
$777Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Multiple Airlines Logo
3:50 pm - 9:45 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
24h 55m2 stops Toronto Island Dublin
Multiple Airlines Logo
10:10 pm - 7:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
26h 25m1 stop Dublin
$890Multiple Airlines
Sun, Oct 4 - Mon, Oct 19
Multiple Airlines Logo
9:55 am - 10:20 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 25m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
1:25 pm - 8:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
10h 55m1 stop Dublin
$915Multiple Airlines
Thu, Oct 22 - Thu, Oct 29
Multiple Airlines Logo
9:55 am - 2:55 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
24h 00m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
11:50 pm - 4:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
20h 55m1 stop Dublin
$951Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Multiple Airlines Logo
9:45 am - 2:55 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
24h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
Multiple Airlines Logo
11:50 pm - 4:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
20h 55m1 stop Dublin
$957Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Virgin Atlantic Logo
6:10 pm - 4:45 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 35m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:15 pm - 3:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 20m1 stop Amsterdam Schiphol
$1,003Virgin Atlantic
Mon, Oct 12 - Wed, Oct 21
Delta Logo
6:10 pm - 4:45 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 35m1 stop Amsterdam Schiphol
Delta Logo
9:45 am - 11:16 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
18h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,012Delta
Mon, Oct 12 - Wed, Oct 21
Multiple Airlines Logo
5:15 pm - 9:45 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
23h 30m1 stop Dublin
Multiple Airlines Logo
10:10 pm - 7:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
26h 25m1 stop Dublin
$1,016Multiple Airlines
Sun, Oct 4 - Mon, Oct 19
Delta Logo
7:45 pm - 4:45 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
9:45 am - 11:16 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
18h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,017Delta
Mon, Oct 12 - Wed, Oct 21
KLM Logo
6:15 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 35m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 3:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Amsterdam Schiphol
$1,020KLM
Mon, Feb 1 - Wed, Feb 10

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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
Oct 12
IAD6:10 pmWashington, D.C. Dulles Intl
17h 35m
1 stop
CWL4:45 pmCardiff Wales
Oct 21
CWL5:15 pmCardiff Wales
27h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,003
Virgin Atlantic
Feb 1
IAD7:00 amWashington, D.C. Dulles Intl
21h 50m
2 stops
CWL9:50 amCardiff Wales
Feb 10
CWL10:20 amCardiff Wales
27h 51m
2 stops
IAD9:11 amWashington, D.C. Dulles Intl
$1,026
Virgin Atlantic
Dec 16
IAD6:20 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
CWL5:00 pmCardiff Wales
Dec 24
CWL10:20 amCardiff Wales
34h 21m
2 stops
IAD3:41 pmWashington, D.C. Dulles Intl
$1,269

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

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
KLM
Feb 1
IAD6:15 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
CWL9:50 amCardiff Wales
Feb 10
CWL5:30 pmCardiff Wales
27h 15m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
$1,020
KLM
Oct 15
IAD5:30 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
CWL4:45 pmCardiff Wales
Oct 19
CWL5:15 pmCardiff Wales
27h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,053
KLM
Oct 15
IAD12:01 pmWashington, D.C. Dulles Intl
16h 14m
2 stops
CWL9:15 amCardiff Wales
Oct 19
CWL5:15 pmCardiff Wales
27h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,057

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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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 10/24

6:15 pm-2:55 pm

1 stop15h 40m

Cardiff Wales

Sat 10/31

11:50 pm-4:45 pm

1 stop20h 55m

$777

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 10/4

3:50 pm-9:45 pm

2 stops24h 55m

Cardiff Wales

Mon 10/19

10:10 pm-7:35 pm

1 stop26h 25m

$890

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 10/22

9:55 am-10:20 pm

2 stops31h 25m

Cardiff Wales

Thu 10/29

1:25 pm-8:20 pm

1 stop10h 55m

$915

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 10/24

9:55 am-2:55 pm

2 stops24h 00m

Cardiff Wales

Sat 10/31

11:50 pm-4:45 pm

1 stop20h 55m

$951

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 10/24

9:45 am-2:55 pm

3 stops24h 10m

Cardiff Wales

Sat 10/31

11:50 pm-4:45 pm

1 stop20h 55m

$957

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 10/12

6:10 pm-4:45 pm

1 stop17h 35m

Cardiff Wales

Wed 10/21

5:15 pm-3:35 pm

1 stop27h 20m

$1,003

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 10/12

6:10 pm-4:45 pm

1 stop17h 35m

Cardiff Wales

Wed 10/21

9:45 am-11:16 pm

2 stops18h 31m

$1,012

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 10/4

5:15 pm-9:45 pm

1 stop23h 30m

Cardiff Wales

Mon 10/19

10:10 pm-7:35 pm

1 stop26h 25m

$1,016
Quickest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 10/12

7:45 pm-4:45 pm

2 stops16h 00m

Cardiff Wales

Wed 10/21

9:45 am-11:16 pm

2 stops18h 31m

$1,017

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 2/1

6:15 pm-9:50 am

1 stop10h 35m

Cardiff Wales

Wed 2/10

5:30 pm-3:45 pm

1 stop27h 15m

$1,020

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

$777

Fastest flight time

17h 35m

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 $777
The fastest flight from Washington, D.C. Dulles Intl Airport to Cardiff takes 17h 35m
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 17h 35m.

  • 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.

Traveling to a place near Cardiff?

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

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

Of course. momondo tracks the price of Washington, D.C. to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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