How does KAYAK find such low prices on flights from Washington 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 Washington to Cardiff.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Washington 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 Washington 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 Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Cheap Flights from Washington to Cardiff

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Washington to Cardiff

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Washington to Cardiff

Thu, Oct 8 - Thu, Oct 15

7:10 pm - 6:55 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

27h 45m1 stop Dublin

10:50 pm - 6:45 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

27h 55m2 stops Dublin Calgary

$1,016Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

7:10 pm - 11:25 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

20h 15m1 stop Dublin

11:15 pm - 7:00 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

27h 45m2 stops Dublin London Heathrow

$1,047Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

3:40 pm - 9:20 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

21h 40m2 stops Reykjavik Keflavik Intl Dublin

7:30 am - 8:40 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

21h 10m2 stops Dublin Reykjavik Keflavik Intl

$1,068Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

5:45 pm - 4:45 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

15h 00m1 stop Amsterdam Schiphol

5:15 pm - 11:52 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 37m1 stop Amsterdam Schiphol

$1,107KLM

Sat, Oct 10 - Sat, Oct 17

3:40 pm - 9:20 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

21h 40m2 stops Reykjavik Keflavik Intl Dublin

5:35 pm - 8:40 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

35h 05m3 stops Amsterdam Schiphol Dublin Reykjavik Keflavik Intl

$1,119Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

12:30 pm - 4:45 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

20h 15m2 stops Los Angeles Los Angeles Amsterdam Schiphol

9:45 am - 11:59 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

22h 14m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,122Delta

Thu, Oct 8 - Thu, Oct 15

5:45 pm - 9:15 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

31h 30m1 stop Amsterdam Schiphol

5:15 pm - 11:52 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 37m1 stop Amsterdam Schiphol

$1,152Virgin Atlantic

Thu, Oct 8 - Thu, Oct 15

1:45 pm - 4:45 pmSEA Seattle/Tacoma Intl-CWL Cardiff Wales

19h 00m1 stop Amsterdam Schiphol

9:50 am - 4:35 pmCWL Cardiff Wales-SEA Seattle/Tacoma Intl

14h 45m1 stop Amsterdam Schiphol

$1,157KLM

Sat, Oct 10 - Sat, Oct 17

10:59 pm - 9:15 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

26h 16m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:35 pm - 11:52 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 17m1 stop Amsterdam Schiphol

$1,158KLM

Sat, Oct 10 - Sat, Oct 17

5:45 pm - 9:15 amSEA Seattle/Tacoma Intl-CWL Cardiff Wales

31h 30m1 stop Amsterdam Schiphol

5:35 pm - 11:52 amCWL Cardiff Wales-SEA Seattle/Tacoma Intl

26h 17m1 stop Amsterdam Schiphol

$1,207KLM

Useful Info

Cheapest flight	$1,016

Flight from Seattle to Cardiff

How does KAYAK find such low prices on flights from Washington 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 Washington to Cardiff.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Cardiff?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Washington 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 Washington 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 Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington 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 Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Barry

Bridgend

Everything you need to know for your flight to Cardiff

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Cardiff

Cardiff (CWL)

CWL

$1,016 Find Cheap Flights from Washington to Cardiff - Compare and Save

Cheap Flights from Washington to Cardiff

Recent round-trip flight deals from Washington to Cardiff

Good to know

Cheapest flight

FAQs for booking flights from Washington to Cardiff

Traveling to a place near Cardiff?

Everything you need to know for your flight to Cardiff

Information on the airport you'll fly into in Cardiff

Cabin class types available on flights to Washington

Complete your trip to Cardiff with a hotel stay or car rental

Find direct flights for Cardiff

Flights to other popular destinations

Flights from domestic origins to Cardiff

Choose which airport to fly into in Cardiff