Latest deals
Insights
FAQs
Price Alerts

Cheap flights from District of Columbia to Cardiff from $325

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from District of Columbia to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 pm - 7:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
9h 35m1 stop Dublin
Multiple Airlines Logo
10:50 am - 7:05 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
37h 15m2 stops Granadilla Tenerife-Sur Casablanca Mohamed V
$1,147Multiple Airlines
Fri, Dec 4 - Sat, Dec 12
Multiple Airlines Logo
7:40 pm - 3:40 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:35 am - 11:45 amCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
32h 10m2 stops Dublin Istanbul
$1,251Multiple Airlines
Thu, Dec 31 - Mon, Jan 4
Multiple Airlines Logo
5:15 pm - 7:50 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
9h 35m1 stop Dublin
Multiple Airlines Logo
8:15 am - 7:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
16h 05m1 stop Dublin
$1,389Multiple Airlines
Fri, Dec 4 - Sat, Dec 12
Multiple Airlines Logo
5:15 pm - 8:10 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
9h 55m1 stop Dublin
Multiple Airlines Logo
9:05 am - 3:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
35h 40m2 stops Alicante Dublin
$1,405Multiple Airlines
Sun, Dec 20 - Sun, Dec 27
Multiple Airlines Logo
5:15 pm - 9:15 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
23h 00m1 stop Dublin
Multiple Airlines Logo
10:05 pm - 3:45 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
22h 40m1 stop Dublin
$1,432Multiple Airlines
Tue, Dec 22 - Tue, Dec 29
Multiple Airlines Logo
8:50 pm - 3:40 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
13h 50m1 stop Dublin
Multiple Airlines Logo
8:35 am - 11:45 amCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
32h 10m2 stops Dublin Istanbul
$1,443Multiple Airlines
Thu, Dec 31 - Mon, Jan 4
Multiple Airlines Logo
9:55 am - 1:00 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
22h 05m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
9:40 pm - 3:55 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
23h 15m2 stops Dublin Frankfurt am Main
$1,447Multiple Airlines
Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
7:40 pm - 3:40 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
15h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:35 am - 9:28 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
41h 53m3 stops Dublin Frankfurt am Main Toronto Pearson Intl
$1,487Multiple Airlines
Thu, Dec 31 - Mon, Jan 4
Multiple Airlines Logo
7:40 pm - 8:30 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 50m3 stops Reykjavik Keflavik Intl Manchester Belfast City
Multiple Airlines Logo
6:15 am - 10:07 amCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
32h 52m3 stops Alicante Madrid Barajas Miami
$1,520Multiple Airlines
Fri, Dec 4 - Sat, Dec 12
Multiple Airlines Logo
7:40 pm - 8:30 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 50m3 stops Reykjavik Keflavik Intl Manchester Belfast City
Multiple Airlines Logo
8:15 am - 7:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
16h 05m1 stop Dublin
$1,522Multiple Airlines
Fri, Dec 4 - Sat, Dec 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from District of Columbia to Cardiff

Our best Delta deals on District of Columbia to Cardiff flight tickets
Delta
Dec 22
IAD5:45 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
CWL5:00 pmCardiff Wales
Dec 29
CWL10:20 amCardiff Wales
19h 16m
2 stops
IAD12:36 amWashington, D.C. Dulles Intl
$1,788
Delta
Dec 25
IAD1:50 pmWashington, D.C. Dulles Intl
15h 00m
2 stops
CWL9:50 amCardiff Wales
Jan 1
CWL10:20 amCardiff Wales
28h 28m
2 stops
IAD9:48 amWashington, D.C. Dulles Intl
$2,004

KLM flights from District of Columbia to Cardiff

Our best KLM deals on District of Columbia to Cardiff flight tickets
KLM
Dec 25
IAD6:15 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
CWL9:50 amCardiff Wales
Jan 1
CWL5:30 pmCardiff Wales
27h 25m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,954
KLM
Dec 25
IAD1:50 pmWashington, D.C. Dulles Intl
15h 00m
2 stops
CWL9:50 amCardiff Wales
Jan 1
CWL5:30 pmCardiff Wales
27h 25m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,958

momondo Fare Finder

 
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.

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

Fri 12/4

5:15 pm-7:50 am

1 stop9h 35m

Cardiff Wales

Sat 12/12

10:50 am-7:05 pm

2 stops37h 15m

$1,147

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/31

7:40 pm-3:40 pm

2 stops15h 00m

Cardiff Wales

Mon 1/4

8:35 am-11:45 am

2 stops32h 10m

$1,251
Quickest round-trip

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 12/4

5:15 pm-7:50 am

1 stop9h 35m

Cardiff Wales

Sat 12/12

8:15 am-7:20 pm

1 stop16h 05m

$1,389

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Sun 12/20

5:15 pm-8:10 am

1 stop9h 55m

Cardiff Wales

Sun 12/27

9:05 am-3:45 pm

2 stops35h 40m

$1,405

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Tue 12/22

5:15 pm-9:15 pm

1 stop23h 00m

Cardiff Wales

Tue 12/29

10:05 pm-3:45 pm

1 stop22h 40m

$1,432

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/31

8:50 pm-3:40 pm

1 stop13h 50m

Cardiff Wales

Mon 1/4

8:35 am-11:45 am

2 stops32h 10m

$1,443

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Wed 12/23

9:55 am-1:00 pm

2 stops22h 05m

Cardiff Wales

Wed 12/30

9:40 pm-3:55 pm

2 stops23h 15m

$1,447

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Thu 12/31

7:40 pm-3:40 pm

2 stops15h 00m

Cardiff Wales

Mon 1/4

8:35 am-9:28 pm

3 stops41h 53m

$1,487

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 12/4

7:40 pm-8:30 am

3 stops31h 50m

Cardiff Wales

Sat 12/12

6:15 am-10:07 am

3 stops32h 52m

$1,520

Washington, D.C.Cardiff

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

IADCWL

Washington, D.C. Dulles Intl

Fri 12/4

7:40 pm-8:30 am

3 stops31h 50m

Cardiff Wales

Sat 12/12

8:15 am-7:20 pm

1 stop16h 05m

$1,522

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Cardiff from

How to get the cheapest flight ticket from District of Columbia to Cardiff

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

What is the cheapest airline that flies from District of Columbia to Cardiff Wales?

Aer Lingus, Delta, and KLM are the most popular carriers operating from District of Columbia to Cardiff Wales

Cheap District of Columbia to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Cardiff

Best Price Found

$325

Fastest flight time

22h 05m

Direct flights

None
The best one-way flight to Cardiff from District of Columbia in the past 72 hours is $325. The best round-trip flight deal from District of Columbia to Cardiff found on momondo in the last 72 hours is $1,147.
The fastest flight from District of Columbia to Cardiff takes 22h 05m
There are no direct flights from District of Columbia to Cardiff. There are no popular flight routes from District of Columbia to Cardiff.
Search flight deals

Frequently asked questions about flying from District of Columbia to Cardiff

  • When did momondo last update prices for flights from District of Columbia to Cardiff Wales Airport?

    Prices for flights from District of Columbia to Cardiff Wales Airport were last updated today.

  • How old do you have to be to fly from District of Columbia to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to Cardiff Wales Airport.

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

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Cardiff?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Cardiff?

It is quick and easy to find District of Columbia to Cardiff 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 Cardiff that suits you.

Can I find flights from District of Columbia to Cardiff with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cardiff from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Cardiff?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Cardiff.

I’m not ready to book a flight from District of Columbia to Cardiff right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cardiff, momondo offers a useful price alert feature which will track prices for flights to Cardiff from District of Columbia and alert you when they change.

An easier way to manage your Cardiff trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/9
Wed 12/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly your favorite airline to Cardiff

Aer Lingus