How does KAYAK find such low prices on flights from District of Columbia to Cardiff?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Cardiff.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Cardiff?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to Cardiff?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cardiff with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Cardiff?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$899 CHEAP FLIGHTS from District of Columbia to Cardiff

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Flight Deals

Cheap Flights from District of Columbia to Cardiff

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from District of Columbia to Cardiff

Sun, Mar 14 - Thu, Mar 18

6:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

5:30 pm - 8:05 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

30h 35m2 stops Alicante Casablanca Mohamed V

$899Multiple Airlines

Sun, Mar 14 - Sat, Mar 20

6:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

11:50 pm - 9:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

25h 45m2 stops Dublin Lisbon Humberto Delgado

$931Multiple Airlines

Wed, Mar 17 - Sat, Mar 20

9:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 10m1 stop Dublin

11:50 pm - 9:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

25h 45m2 stops Dublin Lisbon Humberto Delgado

$934Multiple Airlines

Sun, Mar 14 - Sat, Mar 20

6:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

8:15 am - 4:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Dublin

$952Multiple Airlines

Wed, Mar 17 - Sat, Mar 20

9:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 10m1 stop Dublin

11:50 pm - 4:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

20h 55m1 stop Dublin

$963Multiple Airlines

Sun, Mar 14 - Mon, Mar 22

6:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

8:35 am - 8:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

15h 45m1 stop Dublin

$966Multiple Airlines

Wed, Mar 17 - Mon, Mar 22

9:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 10m1 stop Dublin

8:35 am - 4:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

$969Multiple Airlines

Fri, Mar 12 - Sat, Mar 20

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

11:50 pm - 9:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

25h 45m2 stops Dublin Lisbon Humberto Delgado

$998Multiple Airlines

Thu, Mar 18 - Mon, Mar 22

6:15 pm - 3:40 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 25m1 stop Dublin

8:35 am - 4:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

$999Multiple Airlines

Sat, Mar 13 - Sat, Mar 20

5:15 pm - 1:55 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 40m1 stop Dublin

11:50 pm - 9:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

25h 45m2 stops Dublin Lisbon Humberto Delgado

$1,005Multiple Airlines

Recent last minute flight deals from District of Columbia to Cardiff

Mon, Oct 12 - Wed, Oct 14

5:15 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

24h 35m1 stop Dublin

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

20h 20m2 stops Dublin Lisbon Humberto Delgado

$1,028Multiple Airlines

Mon, Oct 12 - Wed, Oct 14

10:35 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

19h 15m2 stops Lisbon Humberto Delgado Dublin

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

20h 20m2 stops Dublin Lisbon Humberto Delgado

$1,241Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

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

$1,420KLM

Thu, Oct 15 - Mon, Oct 19

12:30 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 45m2 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

$1,425Multiple Airlines

Mon, Oct 12 - Wed, Oct 14

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

34h 00m3 stops Reykjavik Keflavik Intl Manchester Belfast City

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

20h 20m2 stops Dublin Lisbon Humberto Delgado

$1,431Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

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

10h 45m1 stop Amsterdam Schiphol