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

Price Alerts will notify you by email when the price for flights to Wales from Washington, D.C. Dulles Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

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

The required travel and health documents for your Wales trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Wales. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£234 Cheap Flights from Washington, D.C. Dulles Intl Airport to Wales in 2026/27

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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:15 - 08:10IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

09:05 - 16:20CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

36h 15m2 stops Alicante Madrid Barajas

£687Multiple Airlines

Sun, 8 Nov - Sun, 15 Nov

17:15 - 08:10IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

17:30 - 16:20CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 50m2 stops Alicante Madrid Barajas

£725Multiple Airlines

Sun, 7 Feb - Thu, 18 Feb

20:50 - 07:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

30h 00m1 stop Dublin

08:35 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

£730Multiple Airlines

Thu, 10 Dec - Mon, 14 Dec

17:15 - 08:10IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

20:45 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

24h 00m1 stop Dublin

£740Multiple Airlines

Sun, 7 Feb - Thu, 18 Feb

17:45 - 09:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 05m1 stop Amsterdam Schiphol

17:30 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

£763KLM

Sun, 7 Feb - Wed, 17 Feb

13:00 - 09:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

17:30 - 15:45CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

£766KLM

Sun, 7 Feb - Wed, 17 Feb

18:15 - 17:00IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 45m1 stop Amsterdam Schiphol

10:20 - 23:02CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£770KLM

Mon, 8 Feb - Thu, 18 Feb

13:00 - 09:50IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:20 - 23:02CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£773Delta

Mon, 8 Feb - Thu, 18 Feb

19:40 - 15:40IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 00m2 stops Reykjavik Keflavik Intl Dublin

08:35 - 19:20CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

15h 45m1 stop Dublin

£775Multiple Airlines

Thu, 10 Dec - Mon, 14 Dec

17:15 - 13:55IAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 40m1 stop Dublin

17:30 - 16:20CWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 50m2 stops Alicante Madrid Barajas

£784Multiple Airlines

Sat, 6 Feb - Thu, 18 Feb

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

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

Virgin Atlantic

7 Nov

IAD12:30Washington, D.C. Dulles Intl

16h 20m

2 stops

CWL09:50Cardiff Wales

14 Nov

CWL10:20Cardiff Wales

19h 21m

2 stops

IAD00:41Washington, D.C. Dulles Intl

£843

Virgin Atlantic

10 Dec

IAD17:45Washington, D.C. Dulles Intl

11h 05m

1 stop

CWL09:50Cardiff Wales

12 Dec

CWL10:20Cardiff Wales

27h 56m

2 stops

IAD09:16Washington, D.C. Dulles Intl

£1,185

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

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

KLM

7 Feb

IAD17:45Washington, D.C. Dulles Intl

11h 05m

1 stop

CWL09:50Cardiff Wales

17 Feb

CWL17:30Cardiff Wales

27h 15m

1 stop

IAD15:45Washington, D.C. Dulles Intl

£763

KLM

7 Feb

IAD13:00Washington, D.C. Dulles Intl

15h 50m

2 stops

CWL09:50Cardiff Wales

17 Feb

CWL17:30Cardiff Wales

27h 15m

1 stop

IAD15:45Washington, D.C. Dulles Intl

£766

KLM

8 Feb

IAD18:15Washington, D.C. Dulles Intl

17h 45m

1 stop

CWL17:00Cardiff Wales

18 Feb

CWL10:20Cardiff Wales

17h 42m

2 stops

IAD23:02Washington, D.C. Dulles Intl

£770

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 8/11

17:15-08:10

1 stop9h 55m

Cardiff Wales

Sun 15/11

09:05-16:20

2 stops36h 15m

£687

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 7/2

17:15-08:10

1 stop9h 55m

Cardiff Wales

Thu 18/2

17:30-16:20

2 stops27h 50m

£725

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 10/12

20:50-07:50

1 stop30h 00m

Cardiff Wales

Mon 14/12

08:35-15:45

1 stop12h 10m

£730

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 7/2

17:15-08:10

1 stop9h 55m

Cardiff Wales

Thu 18/2

20:45-15:45

1 stop24h 00m

£740

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 7/2

17:45-09:50

1 stop11h 05m

Cardiff Wales

Wed 17/2

17:30-15:45

1 stop27h 15m

£763

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 7/2

13:00-09:50

2 stops15h 50m

Cardiff Wales

Wed 17/2

17:30-15:45

1 stop27h 15m

£766

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 8/2

18:15-17:00

1 stop17h 45m

Cardiff Wales

Thu 18/2

10:20-23:02

2 stops17h 42m

£770

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Mon 8/2

13:00-09:50

2 stops15h 50m

Cardiff Wales

Thu 18/2

10:20-23:02

2 stops17h 42m

£773

Fastest return journey

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 10/12

19:40-15:40

2 stops15h 00m

Cardiff Wales

Mon 14/12

08:35-19:20

1 stop15h 45m

£775

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 6/2

17:15-13:55

1 stop15h 40m

Cardiff Wales

Thu 18/2

17:30-16:20

2 stops27h 50m

£784

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Best price found	£234
Fastest flight time	9h 40m
Direct flights	None

The best one-way flight to Wales from Washington, D.C. Dulles Intl Airport in the past 72 hours is £234. The best return flight deal from Washington, D.C. Dulles Intl Airport to Wales found on momondo in the last 72 hours is £687.

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

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

Search flight deals

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

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Wales?
Prices for flights from Washington, D.C. Dulles Intl Airport to Wales refresh daily.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Wales.
What documentation or ID do you need to fly to Wales?
The required travel and health documents for your Wales trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Wales. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Wales?
Price Alerts will notify you by email when the price for flights to Wales from Washington, D.C. Dulles Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Washington, D.C. Dulles Intl Airport to Wales with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Wales flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Wales that suits you.

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

momondo does allow users to show only those flights to Wales from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Wales from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.