Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Cardiff to District of Columbia from $927

This is the cheapest round-trip 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 10/4. 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
0 bags
Sun 6/9
Sun 6/16

Search hundreds of travel sites at once for deals on flights to District of Columbia

In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Cheapest flight

$927
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 to District of Columbia from Cardiff 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 to District of Columbia with an airline and back to Cardiff 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 to District of Columbia from Cardiff up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Cardiff to District of Columbia

Recent round-trip flight deals

10/4Fri
1 stopAir France
10h 50mCWL-IAD
10/14Mon
1 stopAir France
18h 20mIAD-CWL
$927
10/4Fri
1 stop
27h 20mCWL-IAD
10/14Mon
2 stops
22h 15mIAD-CWL
$930
10/4Fri
1 stopVirgin Atlantic
10h 50mCWL-IAD
10/14Mon
2 stopsVirgin Atlantic
15h 40mIAD-CWL
$934
10/4Fri
2 stops
29h 05mCWL-DCA
10/14Mon
2 stops
14h 45mDCA-CWL
$951
10/4Fri
2 stopsBritish Airways
13h 30mCWL-IAD
10/14Mon
2 stopsBritish Airways
12h 35mIAD-CWL
$1,142

Search by stops

Search by airline

Search by price

Cardiff - District of Columbia Flights

Departure:

Cardiff (CWL)United Kingdom

Return flight deals:

District of Columbia - Cardiff

Cabin classes:

Browse origins:

Browse destinations: