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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$1,067 CHEAP FLIGHTS from Washington to Cardiff

CWL

KAYAK searches hundreds of travel sites at once for deals on flights to Cardiff

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

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

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

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

Flight Deals

Cheap Flights from Washington to Cardiff

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

Round-trip

Last minute

Recent round-trip flight deals from Washington to Cardiff

Tue, Sep 1 - Mon, Sep 14

7:10 pm - 11:25 pm

SEA

CWL

20h 15m

1 stop

10:10 pm - 5:10 pm

CWL

SEA

27h 00m

1 stop

$1,067Multiple Airlines

Sun, May 17 - Mon, Jun 1

5:40 pm - 9:15 am

SEA

CWL

31h 35m

1 stop

9:45 am - 11:37 am

CWL

SEA

33h 52m

1 stop

$1,087KLM

Tue, Sep 1 - Mon, Sep 14

9:50 am - 4:45 pm

SEA

CWL

22h 55m

2 stops

9:45 am - 8:41 pm

CWL

SEA

18h 56m

2 stops

$1,136Delta

Sun, May 17 - Mon, Jun 1

7:10 pm - 9:45 pm

SEA

CWL

18h 35m

1 stop

10:10 pm - 7:19 pm

CWL

SEA

29h 09m

2 stops

$1,155Multiple Airlines

Fri, May 1 - Fri, May 8

1:50 pm - 5:05 pm

SEA

CWL

19h 15m

1 stop

9:45 am - 8:41 pm

CWL

SEA

18h 56m

2 stops

$1,161KLM

Wed, Apr 8 - Thu, Apr 16

1:45 pm - 4:45 pm

SEA

CWL

19h 00m

1 stop

9:45 am - 4:30 pm

CWL

SEA

14h 45m

1 stop

$1,193Delta

Wed, Apr 8 - Thu, Apr 16

4:55 pm - 4:45 pm

SEA

CWL

15h 50m

2 stops

9:45 am - 11:45 am

CWL

SEA

34h 00m

1 stop

$1,194KLM

Wed, Apr 8 - Thu, Apr 16

8:25 am - 9:15 am

SEA

CWL

16h 50m

2 stops

9:45 am - 9:50 pm

CWL

SEA

20h 05m

2 stops

$1,199KLM

Sat, May 30 - Tue, Jun 30

7:35 pm - 10:15 am

SEA

CWL

30h 40m

2 stops

11:35 am - 7:31 am

CWL

SEA

27h 56m

2 stops

$1,200WestJet

Fri, May 1 - Fri, May 8

1:50 pm - 5:05 pm

SEA

CWL

19h 15m

1 stop

5:15 pm - 4:30 pm

CWL

SEA

31h 15m

1 stop

$1,201KLM

Useful Info

Cheapest flight	$1,067

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

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

$1,067 Find Cheap Flights from Washington to Cardiff

KAYAK searches hundreds of travel sites at once for deals on flights to Cardiff

Cheap Flights from Washington to Cardiff

Recent round-trip flight deals from Washington to Cardiff

Recent last minute flight deals from Washington to Cardiff

Good to know

FAQs for booking flights from Washington 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.

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