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.

$492 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

Tue, Oct 13 - Tue, Oct 20

4:00 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

26h 25m2 stops Toronto Pearson Intl Dublin

9:45 pm - 7:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 15m2 stops Alicante Casablanca Mohamed V

$840Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

9:50 pm - 3:40 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

13h 50m1 stop Dublin

1:25 pm - 4:20 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

31h 55m2 stops Dublin Madrid Barajas

$856Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

3:45 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

26h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin

9:45 pm - 7:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 15m2 stops Alicante Casablanca Mohamed V

$859Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

9:05 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

21h 20m1 stop Dublin

9:45 pm - 7:00 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

26h 15m2 stops Alicante Casablanca Mohamed V

$923Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

6:50 pm - 8:10 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

33h 20m2 stops Madrid Barajas Dublin

8:15 am - 3:45 pmCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Dublin

$982Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

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

$1,003Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

3:03 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

14h 47m2 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

$1,007KLM

Tue, Oct 13 - Tue, Oct 20

5:05 pm - 4:45 pmDCA Washington, D.C. Reagan-National-CWL Cardiff Wales

18h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol

9:45 am - 10:00 pmCWL Cardiff Wales-DCA Washington, D.C. Reagan-National

17h 15m2 stops Amsterdam Schiphol Boston Logan Intl

$1,017Delta

Tue, Oct 27 - Tue, Nov 3

3:03 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

14h 47m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:20 am - 12:42 amCWL Cardiff Wales-IAD Washington, D.C. Dulles Intl

19h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,017Multiple Airlines

Sun, Nov 1 - Sun, Nov 8

5:45 pm - 9:50 amIAD Washington, D.C. Dulles Intl-CWL Cardiff Wales

11h 05m1 stop Amsterdam Schiphol

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

27h 25m1 stop Amsterdam Schiphol

$1,028Virgin Atlantic

Useful Info

Cheapest flight	$492

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.