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

Sun, Feb 7 - Thu, Feb 18

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

5:30 pm - 4:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

27h 50m2 stops Alicante Madrid Barajas

$959Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:30 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 55m2 stops Reykjavik Keflavik Intl Dublin

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

21h 30m1 stop Dublin

$960Multiple Airlines

Mon, Oct 5 - Tue, Oct 13

8:30 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 20m2 stops Reykjavik Keflavik Intl Dublin

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

21h 30m1 stop Dublin

$960Multiple Airlines

Sun, Feb 7 - Thu, Feb 18

5:15 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

8:45 pm - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

24h 00m1 stop Dublin

$979Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

6:15 pm - 9:45 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 30m1 stop Amsterdam Schiphol

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

27h 15m1 stop Amsterdam Schiphol

$999Virgin Atlantic

Tue, Nov 3 - Tue, Nov 10

5:45 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

18h 15m1 stop Amsterdam Schiphol

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

27h 25m1 stop Amsterdam Schiphol

$1,000KLM

Mon, Oct 5 - Tue, Oct 13

6:10 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

17h 35m1 stop Amsterdam Schiphol

9:45 am - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 50m1 stop Amsterdam Schiphol

$1,000Air France

Tue, Oct 6 - Tue, Oct 13

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

10h 45m1 stop Amsterdam Schiphol

9:45 am - 3:35 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

10h 50m1 stop Amsterdam Schiphol

$1,000Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

12:30 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

27h 25m1 stop Amsterdam Schiphol

$1,004KLM

Mon, Feb 8 - Wed, Feb 17

6:15 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

10h 35m1 stop Amsterdam Schiphol

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

27h 15m1 stop Amsterdam Schiphol

$1,009KLM

Recent last minute flight deals from District of Columbia to Cardiff

Sun, Sep 27 - Mon, Oct 12

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

$943Virgin Atlantic

Sun, Sep 27 - Mon, Oct 12

7:36 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

16h 09m2 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

$1,001Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

6:26 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

33h 49m2 stops New York John F Kennedy Intl Amsterdam Schiphol

9:45 am - 11:16 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

42h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,126Delta

Thu, Sep 24 - Sun, Sep 27

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

10h 45m1 stop Amsterdam Schiphol

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

10h 45m1 stop Amsterdam Schiphol

$1,339Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

12:25 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

15h 50m2 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

$1,520Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

9:00 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

31h 15m3 stops Casablanca Mohamed V Malaga Amsterdam Schiphol

5:15 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 55m3 stops Amsterdam Schiphol Barcelona-El Prat Lisbon Humberto Delgado

$1,549Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

7:15 pm - 11:30 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

35h 15m2 stops London Heathrow Belfast City

12:00 pm - 5:25 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

34h 25m2 stops Belfast City London Heathrow

$1,614Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

9:00 pm - 9:15 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

31h 15m3 stops Casablanca Mohamed V Malaga Amsterdam Schiphol

5:15 pm - 3:10 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 55m2 stops Amsterdam Schiphol Lisbon Humberto Delgado

$1,764Multiple Airlines

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.