How long is the flight from Washington, D.C. to Wales?

Average flight duration from Washington, D.C. to Wales depends on which airport you fly into and out of. Flying from Washington, D.C. to Cardiff is 15h 01m on average, while flying from Baltimore to Cardiff is 17h 45m on average. Cardiff is the most popular airport in Wales.

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

Prices for flights from Washington, D.C. to Wales are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Wales.

What documentation or ID do you need to fly to Wales?

The travel and health documents required for your trip to Wales can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wales. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,014 Cheap Flights from Washington, D.C. to Wales in 2026/27

Find the cheapest flights from Washington, D.C. to Wales

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:15 pm - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 30m1 stop Dublin

4:10 pm - 8:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

33h 25m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,014Multiple Airlines

Sun, Apr 11 - Wed, Apr 14

9:55 am - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

23h 50m2 stops Toronto Pearson Intl Dublin

4:10 pm - 8:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

33h 25m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,022Multiple Airlines

Sun, Apr 11 - Wed, Apr 14

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

8:35 am - 2:40 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

35h 05m2 stops Dublin Lisbon Humberto Delgado

$1,057Multiple Airlines

Sun, Nov 29 - Mon, Dec 14

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

9:05 am - 7:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

39h 15m2 stops Alicante Dublin

$1,061Multiple Airlines

Sun, Dec 13 - Sun, Dec 20

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

2:25 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

30h 20m1 stop Dublin

$1,072Multiple Airlines

Sun, Dec 13 - Sun, Dec 20

6:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

11:50 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

19h 20m2 stops Dublin Lisbon Humberto Delgado

$1,090Multiple Airlines

Fri, Mar 19 - Sat, Mar 27

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

8:35 am - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

$1,092Multiple Airlines

Sun, Nov 29 - Mon, Dec 14

6:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

11:50 pm - 7:15 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

23h 25m1 stop Dublin

$1,096Multiple Airlines

Fri, Mar 19 - Sat, Mar 27

8:45 pm - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

13h 00m1 stop Dublin

7:50 am - 7:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

16h 10m2 stops Malaga Casablanca Mohamed V

$1,126Multiple Airlines

Sun, Apr 11 - Wed, Apr 14

6:15 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 45m1 stop Amsterdam Schiphol

5:30 pm - 3:55 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Amsterdam Schiphol

$1,129KLM

Mon, Mar 1 - Tue, Mar 9

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KLM flights from Washington, D.C. to Wales

Our best KLM deals on Washington, D.C. to Wales flight tickets

KLM

Mar 1

IAD6:15 pmWashington, D.C. Dulles Intl

17h 45m

1 stop

CWL5:00 pmCardiff Wales

Mar 9

CWL5:30 pmCardiff Wales

27h 25m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,129

KLM

Mar 1

IAD7:29 pmWashington, D.C. Dulles Intl

16h 31m

2 stops

CWL5:00 pmCardiff Wales

Mar 9

CWL5:30 pmCardiff Wales

27h 25m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,133

KLM

Dec 17

IAD6:15 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

CWL9:50 amCardiff Wales

Dec 24

CWL5:30 pmCardiff Wales

27h 25m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,787

Delta flights from Washington, D.C. to Wales

Our best Delta deals on Washington, D.C. to Wales flight tickets

Delta

Mar 1

IAD5:37 pmWashington, D.C. Dulles Intl

18h 23m

2 stops

CWL5:00 pmCardiff Wales

Mar 9

CWL10:20 amCardiff Wales

17h 42m

2 stops

IAD11:02 pmWashington, D.C. Dulles Intl

$1,143

Delta

Nov 29

IAD12:35 pmWashington, D.C. Dulles Intl

16h 15m

2 stops

CWL9:50 amCardiff Wales

Dec 14

CWL10:20 amCardiff Wales

42h 03m

2 stops

IAD11:23 pmWashington, D.C. Dulles Intl

$1,431

Delta

Dec 17

IAD12:38 pmWashington, D.C. Dulles Intl

16h 12m

2 stops

CWL9:50 amCardiff Wales

Dec 24

CWL10:20 amCardiff Wales

36h 11m

2 stops

IAD5:31 pmWashington, D.C. Dulles Intl

$1,906

Fly from

Fly to

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

Sun 4/11

5:15 pm-2:45 pm

1 stop16h 30m

Cardiff Wales

Wed 4/14

4:10 pm-8:35 pm

3 stops33h 25m

$1,014

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 4/11

9:55 am-2:45 pm

2 stops23h 50m

Cardiff Wales

Wed 4/14

4:10 pm-8:35 pm

3 stops33h 25m

$1,022

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 11/29

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Mon 12/14

8:35 am-2:40 pm

2 stops35h 05m

$1,057

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 12/13

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/20

9:05 am-7:20 pm

2 stops39h 15m

$1,061

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 12/13

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/20

2:25 pm-3:45 pm

1 stop30h 20m

$1,072

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 3/19

6:15 pm-7:50 am

1 stop9h 35m

Cardiff Wales

Sat 3/27

11:50 pm-3:10 pm

2 stops19h 20m

$1,090

Quickest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 11/29

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Mon 12/14

8:35 am-3:45 pm

1 stop12h 10m

$1,092

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 3/19

6:15 pm-7:50 am

1 stop9h 35m

Cardiff Wales

Sat 3/27

11:50 pm-7:15 pm

1 stop23h 25m

$1,096

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 4/11

8:45 pm-2:45 pm

1 stop13h 00m

Cardiff Wales

Wed 4/14

7:50 am-7:00 pm

2 stops16h 10m

$1,126

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 3/1

6:15 pm-5:00 pm

1 stop17h 45m

Cardiff Wales

Tue 3/9

5:30 pm-3:55 pm

1 stop27h 25m

$1,129

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Other information

Can stopping save me money on Washington, D.C. to Wales flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to Wales flight.

Cheap Washington, D.C. to Wales flight deals and tips

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

Best Price Found	$1,014
Fastest flight time	9h 40m
Direct flights	None

The best flight deal from Washington, D.C. to Wales found on momondo in the last 72 hours is $1,014

The fastest flight from Washington, D.C. to Wales takes 9h 40m

There are no direct flights from Washington, D.C. to Wales. There are no popular flight routes from Washington, D.C. to Wales.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Wales

When did momondo last update prices for flights from Washington, D.C. to Wales?
Prices for flights from Washington, D.C. to Wales are updated daily.
How old do you have to be to fly from Washington, D.C. to Wales?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Wales.
What documentation or ID do you need to fly to Wales?
The travel and health documents required for your trip to Wales can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wales. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Wales. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Wales flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Wales from Washington, D.C..

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

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