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

One-way

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

Sun, Apr 11 - Wed, Apr 14

5:15 pm - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 30m1 stop Dublin

4:10 pm - 8:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

33h 25m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,014Multiple Airlines

Sun, Apr 11 - Wed, Apr 14

9:55 am - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

23h 50m2 stops Toronto Pearson Intl Dublin

4:10 pm - 8:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

33h 25m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,022Multiple Airlines

Sun, Apr 11 - Wed, Apr 14

8:45 pm - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

13h 00m1 stop Dublin

7:50 am - 7:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

16h 10m2 stops Malaga Casablanca Mohamed V

$1,126Multiple Airlines

Mon, Mar 1 - Tue, Mar 9

6:15 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 45m1 stop Amsterdam Schiphol

5:30 pm - 3:55 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Amsterdam Schiphol

$1,129KLM

Sun, Apr 11 - Wed, Apr 14

9:55 am - 2:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

23h 50m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Dublin

4:10 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

28h 00m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,131Multiple Airlines

Mon, Mar 1 - Tue, Mar 9

7:29 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 31m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:30 pm - 3:55 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Amsterdam Schiphol

$1,133KLM

Mon, Mar 1 - Tue, Mar 9

5:37 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 23m2 stops New York John F Kennedy Intl Amsterdam Schiphol

10:20 am - 11:02 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,143Delta

Wed, Jan 13 - Wed, Jan 20

5:27 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 33m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:30 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Amsterdam Schiphol

$1,218Virgin Atlantic

Wed, Jan 13 - Wed, Jan 20

9:00 am - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

19h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:20 am - 11:17 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

17h 57m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,228Delta

Thu, Dec 31 - Mon, Jan 4

7:40 pm - 3:40 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 00m2 stops Reykjavik Keflavik Intl Dublin

8:35 am - 11:45 amCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

32h 10m2 stops Dublin Istanbul

$1,251Multiple Airlines

Useful Info

Cheapest flight	$429

Flight from Washington Dulles Airport to Cardiff

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.