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.

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

Last minute

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

Wed, Dec 9 - Sun, Dec 13

8:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 10m1 stop Dublin

9:05 am - 4:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

36h 15m2 stops Alicante Madrid Barajas

$919Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

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

9h 35m1 stop Dublin

4:05 pm - 3:15 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

28h 10m2 stops Dublin Lisbon Humberto Delgado

$942Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

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

9h 35m1 stop Dublin

4:05 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

28h 40m1 stop Dublin

$1,002Multiple Airlines

Wed, Apr 7 - Sat, Apr 24

9:00 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

14h 45m1 stop Dublin

3:40 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

29h 05m1 stop Dublin

$1,003Multiple Airlines

Wed, Apr 7 - Fri, Apr 23

9:00 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

14h 45m1 stop Dublin

5:05 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Dublin

$1,006Multiple Airlines

Fri, Mar 19 - Sun, Apr 4

6:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 35m1 stop Dublin

5:20 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Dublin

$1,035Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

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

9h 35m1 stop Dublin

5:30 pm - 6:30 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

30h 00m3 stops Amsterdam Schiphol Stockholm Arlanda Reykjavik Keflavik Intl

$1,046Multiple Airlines

Wed, Dec 9 - Sun, Dec 13

7:40 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

12h 20m2 stops Reykjavik Keflavik Intl Dublin

9:05 am - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

35h 40m2 stops Alicante Dublin

$1,058Multiple Airlines

Thu, Apr 8 - Sat, Apr 24

9:00 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

14h 40m1 stop Dublin

3:40 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

29h 05m1 stop Dublin

$1,071Multiple Airlines

Wed, Apr 7 - Fri, Apr 23

7:50 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 55m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

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

10h 45m1 stop Amsterdam Schiphol

$1,130Delta

Recent last minute flight deals from District of Columbia to Cardiff

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

$1,444KLM

Thu, Oct 15 - Mon, Oct 19

12:29 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 46m2 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

$1,448KLM

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

$1,458KLM

Thu, Oct 15 - Mon, Oct 19

12:29 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 46m2 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

$1,463Multiple 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