What is the cheapest airline that flies from Washington, D.C. to Wales?

KLM is the most popular carrier operating from Washington, D.C. to Wales

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 12h 42m on average, while flying from Baltimore to Cardiff is 18h 50m 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.

$309 Cheap Flights from Washington, D.C. to Wales in 2026/27

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

9h 55m1 stop Dublin

5:30 pm - 4:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 50m2 stops Alicante Madrid Barajas

$959Multiple Airlines

Sun, Feb 7 - Thu, Feb 18

8:30 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 55m2 stops Reykjavik Keflavik Intl Dublin

11:15 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Dublin

$960Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:30 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 20m2 stops Reykjavik Keflavik Intl Dublin

11:15 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Dublin

$960Multiple Airlines

Mon, Oct 5 - Tue, Oct 13

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

9h 55m1 stop Dublin

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

24h 00m1 stop Dublin

$979Multiple Airlines

Sun, Feb 7 - Thu, Feb 18

5:45 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 15m1 stop Amsterdam Schiphol

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

27h 25m1 stop Amsterdam Schiphol

$1,000KLM

Tue, Nov 3 - Tue, Nov 10

6:10 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 35m1 stop Amsterdam Schiphol

9:45 am - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 50m1 stop Amsterdam Schiphol

$1,000Air France

Mon, Oct 5 - Tue, Oct 13

5:30 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 45m1 stop Amsterdam Schiphol

9:45 am - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 50m1 stop Amsterdam Schiphol

$1,000Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

12:30 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

27h 25m1 stop Amsterdam Schiphol

$1,004KLM

Tue, Nov 3 - Tue, Nov 10

6:15 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 35m1 stop Amsterdam Schiphol

5:30 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

$1,009KLM

Mon, Feb 8 - Wed, Feb 17

5:45 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 05m1 stop Amsterdam Schiphol

5:30 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

$1,009KLM

Sun, Feb 7 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 15m1 stop Amsterdam Schiphol

5:15 pm - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Amsterdam Schiphol

$943Virgin Atlantic

Sun, Sep 27 - Mon, Oct 12

7:36 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 09m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:15 pm - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Amsterdam Schiphol

$1,001Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

6:26 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

33h 49m2 stops New York John F Kennedy Intl Amsterdam Schiphol

9:45 am - 11:16 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

42h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,126Delta

Sun, Sep 27 - Mon, Oct 12

5:30 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 45m1 stop Amsterdam Schiphol

9:50 am - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 45m1 stop Amsterdam Schiphol

$1,339Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

12:25 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 50m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:15 pm - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Amsterdam Schiphol

$1,520Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

9:00 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

31h 15m3 stops Casablanca Mohamed V Malaga Amsterdam Schiphol

5:15 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 55m3 stops Amsterdam Schiphol Barcelona-El Prat Lisbon Humberto Delgado

$1,549Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

7:15 pm - 11:30 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

35h 15m2 stops London Heathrow Belfast City

12:00 pm - 5:25 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

34h 25m2 stops Belfast City London Heathrow

$1,614Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

9:00 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

31h 15m3 stops Casablanca Mohamed V Malaga Amsterdam Schiphol

5:15 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 55m2 stops Amsterdam Schiphol Lisbon Humberto Delgado

$1,764Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

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Virgin Atlantic flights from Washington, D.C. to Wales

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

Virgin Atlantic

Sep 27

IAD5:30 pmWashington, D.C. Dulles Intl

18h 15m

1 stop

CWL4:45 pmCardiff Wales

Oct 12

CWL5:15 pmCardiff Wales

27h 20m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$943

Virgin Atlantic

Nov 7

IAD12:30 pmWashington, D.C. Dulles Intl

16h 20m

2 stops

CWL9:50 amCardiff Wales

Nov 14

CWL10:20 amCardiff Wales

19h 21m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$1,115

KLM flights from Washington, D.C. to Wales

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

KLM

Nov 3

IAD12:30 pmWashington, D.C. Dulles Intl

16h 20m

2 stops

CWL9:50 amCardiff Wales

Nov 10

CWL5:30 pmCardiff Wales

27h 25m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,004

KLM

Feb 7

IAD5:45 pmWashington, D.C. Dulles Intl

11h 05m

1 stop

CWL9:50 amCardiff Wales

Feb 17

CWL5:30 pmCardiff Wales

27h 15m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

$1,009

KLM

Feb 7

IAD1:00 pmWashington, D.C. Dulles Intl

15h 50m

2 stops

CWL9:50 amCardiff Wales

Feb 17

CWL5:30 pmCardiff Wales

27h 15m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

$1,013

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 2/7

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Thu 2/18

5:30 pm-4:20 pm

2 stops27h 50m

$959

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Tue 10/6

8:30 pm-11:25 pm

2 stops21h 55m

Cardiff Wales

Tue 10/13

11:15 pm-3:45 pm

1 stop21h 30m

$960

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 10/5

8:30 pm-10:50 pm

2 stops21h 20m

Cardiff Wales

Tue 10/13

11:15 pm-3:45 pm

1 stop21h 30m

$960

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 2/7

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Thu 2/18

8:45 pm-3:45 pm

1 stop24h 00m

$979

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Tue 11/3

5:45 pm-5:00 pm

1 stop18h 15m

Cardiff Wales

Tue 11/10

5:30 pm-3:55 pm

1 stop27h 25m

$1,000

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 10/5

6:10 pm-4:45 pm

1 stop17h 35m

Cardiff Wales

Tue 10/13

9:45 am-3:35 pm

1 stop10h 50m

$1,000

Quickest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Tue 10/6

5:30 pm-9:15 am

1 stop10h 45m

Cardiff Wales

Tue 10/13

9:45 am-3:35 pm

1 stop10h 50m

$1,000

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Tue 11/3

12:30 pm-9:50 am

2 stops16h 20m

Cardiff Wales

Tue 11/10

5:30 pm-3:55 pm

1 stop27h 25m

$1,004

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 2/8

6:15 pm-9:50 am

1 stop10h 35m

Cardiff Wales

Wed 2/17

5:30 pm-3:45 pm

1 stop27h 15m

$1,009

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 2/7

5:45 pm-9:50 am

1 stop11h 05m

Cardiff Wales

Wed 2/17

5:30 pm-3:45 pm

1 stop27h 15m

$1,009

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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

Airlines

Other information

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

You could potentially save up to 8% 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	$309
Fastest flight time	9h 40m
Direct flights	None

The best one-way flight to Wales from Washington, D.C. in the past 72 hours is $309. The best round-trip flight deal from Washington, D.C. to Wales found on momondo in the last 72 hours is $959.

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.