$474 Find Cheap Flights from Cardiff to District of Columbia - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cardiff to District of Columbia departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Cardiff to District of Columbia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Cardiff to District of Columbia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
11:15 pm - 7:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
25h 05m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
8:30 pm - 11:25 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 55m2 stops Reykjavik Keflavik Intl Dublin
$680Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 8:24 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
13h 49m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:30 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 20m2 stops Reykjavik Keflavik Intl Dublin
$771Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 8:24 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
13h 49m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:30 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 20m2 stops Reykjavik Keflavik Intl Dublin
$777Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 8:24 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
13h 49m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:30 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 20m3 stops Reykjavik Keflavik Intl London Gatwick Dublin
$788Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 8:24 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
13h 49m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:30 pm - 10:50 pmIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
21h 20m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
$810Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
KLM Logo
9:45 am - 3:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
10h 50m1 stop Amsterdam Schiphol
KLM Logo
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
$824KLM
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 12:14 pmCWL  Cardiff Wales-DCA Washington, D.C. Reagan-National
29h 39m2 stops Toronto Pearson Intl Ottawa
Multiple Airlines Logo
6:55 pm - 10:50 pmDCA  Washington, D.C. Reagan-National-CWL Cardiff Wales
22h 55m2 stops Toronto Pearson Intl Dublin
$840Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
KLM Logo
9:45 am - 3:35 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
10h 50m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
10h 45m1 stop Amsterdam Schiphol
$843KLM
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 12:14 pmCWL  Cardiff Wales-DCA Washington, D.C. Reagan-National
29h 39m2 stops Toronto Pearson Intl Ottawa
Multiple Airlines Logo
12:55 pm - 10:50 pmDCA  Washington, D.C. Reagan-National-CWL Cardiff Wales
28h 55m3 stops Ottawa Toronto Pearson Intl Dublin
$846Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
11:15 pm - 7:20 pmCWL  Cardiff Wales-IAD Washington, D.C. Dulles Intl
25h 05m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
8:30 pm - 9:15 amIAD  Washington, D.C. Dulles Intl-CWL Cardiff Wales
31h 45m3 stops Reykjavik Keflavik Intl Dublin Amsterdam Schiphol
$857Multiple Airlines
Booking Insights

KAYAK's insights & trends for Cardiff to District of Columbia flights

Get data-powered insights and trends into flights from Cardiff to District of Columbia to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Cardiff to District of Columbia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Cardiff to District of Columbia were found on KLM ($824) and Delta ($899).

Find deals

Good to know

Cheapest flight

$474
Flight from Cardiff to Washington, D.C.

FAQs - booking District of Columbia flights

  • How does KAYAK find such low prices on flights from Cardiff to District of Columbia?

    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 Cardiff to District of Columbia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cardiff to District of Columbia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Cardiff to 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 Cardiff to District of Columbia?

    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 from Cardiff to District of Columbia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cardiff to District of Columbia?

    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 from Cardiff to District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Cardiff to District of Columbia

Information on your arrival and departure airports

Cardiff (CWL)