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

Last minute

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

Sat, Oct 24 - Sat, Oct 31

6:15 pm - 2:55 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 40m1 stop Dublin

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

20h 55m1 stop Dublin

$777Multiple Airlines

Sun, Oct 4 - Mon, Oct 19

3:50 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

24h 55m2 stops Toronto Island Dublin

10:10 pm - 7:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 25m1 stop Dublin

$890Multiple Airlines

Thu, Oct 22 - Thu, Oct 29

9:55 am - 10:20 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

31h 25m2 stops Toronto Pearson Intl Dublin

1:25 pm - 8:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 55m1 stop Dublin

$915Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

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

24h 00m2 stops Toronto Pearson Intl Dublin

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

20h 55m1 stop Dublin

$951Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

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

24h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin

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

20h 55m1 stop Dublin

$957Multiple Airlines

Sun, Oct 4 - Mon, Oct 19

5:15 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

23h 30m1 stop Dublin

10:10 pm - 7:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 25m1 stop Dublin

$1,016Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

6:59 am - 2:55 pmDCA Washington, D.C. Reagan-National-CWL Cardiff Wales

26h 56m3 stops Toronto Pearson Intl Calgary Dublin

8:15 am - 10:38 pmCWL Cardiff Wales-DCA Washington, D.C. Reagan-National

18h 23m2 stops Dublin Toronto Pearson Intl

$1,041Multiple Airlines

Sun, Sep 20 - Sun, Oct 4

5:30 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 15m1 stop Amsterdam Schiphol

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

10h 45m1 stop Amsterdam Schiphol

$1,060Delta

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

$1,061KLM

Sat, Oct 24 - Sat, Oct 31

11:00 am - 2:55 pmDCA Washington, D.C. Reagan-National-CWL Cardiff Wales

22h 55m2 stops Toronto Pearson Intl Dublin

8:15 am - 10:38 pmCWL Cardiff Wales-DCA Washington, D.C. Reagan-National

18h 23m2 stops Dublin Toronto Pearson Intl

$1,064Multiple Airlines

Recent last minute flight deals from District of Columbia to Cardiff

Sun, Sep 13 - Tue, Sep 15

8:55 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

19h 50m1 stop Dublin

4:15 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 55m2 stops Malaga Lisbon Humberto Delgado

$1,119Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

10:35 pm - 1:10 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

33h 35m2 stops Lisbon Humberto Delgado Malaga

10:45 pm - 7:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

25h 25m1 stop Dublin

$1,186Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

8:55 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

19h 50m1 stop Dublin

11:15 pm - 8:25 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 10m3 stops Dublin Halifax Intl Toronto Pearson Intl

$1,222Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

10:20 pm - 9:20 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 00m2 stops Munich Franz Josef Strauss Dublin

10:45 pm - 3:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

21h 15m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

$1,230Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

10:35 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 10m2 stops Lisbon Humberto Delgado Dublin

11:15 pm - 8:25 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 10m3 stops Dublin Halifax Intl Toronto Pearson Intl

$1,265Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

8:40 pm - 9:20 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

19h 40m1 stop Dublin

10:45 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

22h 00m1 stop Dublin

$1,282Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

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

10h 45m1 stop Amsterdam Schiphol

5:15 pm - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 20m1 stop Amsterdam Schiphol

$1,341KLM

Sat, Sep 12 - Fri, Sep 18

6:26 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 19m2 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

$1,346Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

5:15 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

23h 30m1 stop Dublin

11:15 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

21h 30m1 stop Dublin

$1,470Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

12:55 pm - 9:15 amDCA Washington, D.C. Reagan-National-CWL Cardiff Wales

15h 20m2 stops Boston Logan Intl Amsterdam Schiphol

9:45 am - 10:03 pmCWL Cardiff Wales-DCA Washington, D.C. Reagan-National

17h 18m2 stops Amsterdam Schiphol Boston Logan Intl

$1,484KLM

Useful Info

Cheapest flight	$309

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.