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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from £637

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 10m1 stop Dublin
Multiple Airlines Logo
09:05 - 16:20CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
36h 15m2 stops Alicante Madrid Barajas
£637Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec
Multiple Airlines Logo
19:40 - 08:10IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 30m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
£706Multiple Airlines
Sat, 14 Nov - Sat, 21 Nov
Multiple Airlines Logo
17:15 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
17h 25m1 stop Dublin
Multiple Airlines Logo
08:35 - 19:20CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Dublin
£734Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:50 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
11h 10m1 stop Dublin
Multiple Airlines Logo
14:25 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
30h 20m1 stop Dublin
£736Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec
Multiple Airlines Logo
19:40 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:35 - 14:40CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 05m2 stops Dublin Lisbon Humberto Delgado
£823Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
17:50 - 15:40IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
16h 50m2 stops Madrid Barajas Dublin
Multiple Airlines Logo
08:35 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 10m1 stop Dublin
£825Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
19:40 - 08:30IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 50m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
£838Multiple Airlines
Sat, 14 Nov - Sat, 21 Nov
Multiple Airlines Logo
19:40 - 13:00IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
12h 20m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:05 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 40m2 stops Alicante Dublin
£852Multiple Airlines
Wed, 9 Dec - Sun, 13 Dec
Multiple Airlines Logo
17:15 - 13:55IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 40m1 stop Dublin
Multiple Airlines Logo
08:15 - 15:45CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
12h 30m1 stop Dublin
£861Multiple Airlines
Sat, 14 Nov - Sat, 21 Nov
KLM Logo
18:15 - 09:45IAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 30m1 stop Amsterdam Schiphol
KLM Logo
17:30 - 15:55CWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
27h 25m1 stop Amsterdam Schiphol
£867KLM
Wed, 18 Nov - Thu, 26 Nov

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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
18 Nov
IAD18:15Washington, D.C. Dulles Intl
10h 30m
1 stop
CWL09:45Cardiff Wales
26 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£867
KLM
18 Nov
IAD12:35Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:45Cardiff Wales
26 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£870
KLM
19 Nov
IAD17:45Washington, D.C. Dulles Intl
18h 15m
1 stop
CWL17:00Cardiff Wales
26 Nov
CWL17:30Cardiff Wales
27h 25m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£969

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

Our best Air Europa deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
Air Europa
18 Nov
IAD12:35Washington, D.C. Dulles Intl
16h 10m
2 stops
CWL09:45Cardiff Wales
26 Nov
CWL10:20Cardiff Wales
29h 58m
2 stops
IAD11:18Washington, D.C. Dulles Intl
£935
Air Europa
9 Oct
IAD17:30Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:15Cardiff Wales
14 Oct
CWL17:15Cardiff Wales
27h 20m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£1,127
Air Europa
9 Oct
IAD17:30Washington, D.C. Dulles Intl
10h 45m
1 stop
CWL09:15Cardiff Wales
13 Oct
CWL09:45Cardiff Wales
31h 05m
2 stops
IAD11:50Washington, D.C. Dulles Intl
£1,140

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.

Fly from

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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

Wed 9/12

20:50-13:00

1 stop11h 10m

Cardiff Wales

Sun 13/12

09:05-16:20

2 stops36h 15m

£637

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 14/11

19:40-08:10

2 stops31h 30m

Cardiff Wales

Sat 21/11

08:15-15:45

1 stop12h 30m

£706

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

17:15-15:40

1 stop17h 25m

Cardiff Wales

Mon 16/11

08:35-19:20

1 stop15h 45m

£734

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Wed 9/12

20:50-13:00

1 stop11h 10m

Cardiff Wales

Sun 13/12

14:25-15:45

1 stop30h 20m

£736

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

19:40-15:40

2 stops15h 00m

Cardiff Wales

Mon 16/11

08:35-14:40

2 stops35h 05m

£823

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/11

17:50-15:40

2 stops16h 50m

Cardiff Wales

Mon 16/11

08:35-15:45

1 stop12h 10m

£825

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 14/11

19:40-08:30

3 stops31h 50m

Cardiff Wales

Sat 21/11

08:15-15:45

1 stop12h 30m

£838

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Wed 9/12

19:40-13:00

2 stops12h 20m

Cardiff Wales

Sun 13/12

09:05-15:45

2 stops35h 40m

£852
Fastest return journey

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sat 14/11

17:15-13:55

1 stop15h 40m

Cardiff Wales

Sat 21/11

08:15-15:45

1 stop12h 30m

£860

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Wed 18/11

18:15-09:45

1 stop10h 30m

Cardiff Wales

Thu 26/11

17:30-15:55

1 stop27h 25m

£867

Flights are sorted by cheapest return 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 return 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

£637

Fastest flight time

11h 05m

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 £637
The fastest flight from Washington, D.C. Dulles Intl Airport to Cardiff takes 11h 05m
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?

    A flight from Washington, D.C. Dulles Intl to Cardiff Wales will travel around 3552.6 mi. Flights usually cover this in 11h 05m, depending on flying conditions and air traffic around both airports.

  • 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?

    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 Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The required travel and health documents for your Cardiff Wales Airport 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 Cardiff Wales Airport. 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 Cardiff

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport from Cardiff. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Cardiff?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Cardiff. momondo saves you time and could save you money on your trip.

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

Flights from Washington, D.C. to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Washington, D.C. to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Cardiff 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.

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