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>

$763 CHEAP FLIGHTS from Washington to Cardiff

CWL

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

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Cheapest round-trip

$763

KLM

Fri 2/27Fri 3/6

SEA - CWL • 1 stop

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We hope you love your trip to Cardiff!

Flight Deals

Cheap Flights from Washington to Cardiff

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Cardiff 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.

Round-trip

Recent round-trip flight deals from Washington to Cardiff

Fri, Feb 27 - Fri, Mar 6

3:05 pm - 4:55 pm

SEA

CWL

17h 50m

1 stop

5:15 pm - 11:35 am

CWL

SEA

26h 20m

1 stop

$763KLM

Fri, Feb 27 - Fri, Mar 6

7:10 am - 9:50 am

SEA

CWL

18h 40m

2 stops

10:20 am - 11:35 am

CWL

SEA

33h 15m

1 stop

$767KLM

Fri, Feb 27 - Fri, Mar 6

6:10 am - 9:50 am

SEA

CWL

19h 40m

2 stops

10:20 am - 10:22 pm

CWL

SEA

20h 02m

2 stops

$774Delta

Tue, Jul 7 - Tue, Jul 28

1:45 pm - 4:45 pm

SEA

CWL

19h 00m

1 stop

9:45 am - 4:20 pm

CWL

SEA

14h 35m

1 stop

$1,009Delta

Sun, Jul 5 - Mon, Jul 27

6:55 pm - 10:00 pm

SEA

CWL

19h 05m

1 stop

11:35 am - 6:38 pm

CWL

SEA

39h 03m

2 stops

$1,012Multiple Airlines

Tue, Jul 7 - Thu, Jul 23

11:15 am - 4:45 pm

SEA

CWL

21h 30m

2 stops

9:45 am - 4:20 pm

CWL

SEA

14h 35m

1 stop

$1,014Delta

Sun, Jul 5 - Fri, Jul 24

1:45 pm - 4:45 pm

SEA

CWL

19h 00m

1 stop

9:45 am - 10:05 pm

CWL

SEA

20h 20m

2 stops

$1,019Air France

Tue, Jul 7 - Wed, Jul 22

11:15 am - 4:45 pm

SEA

CWL

21h 30m

2 stops

9:45 am - 10:05 pm

CWL

SEA

44h 20m

2 stops

$1,024Delta

Sat, Jul 4 - Thu, Jul 23

5:30 pm - 4:45 pm

SEA

CWL

39h 15m

2 stops

9:45 am - 4:20 pm

CWL

SEA

14h 35m

1 stop

$1,026Delta

Sat, Jul 4 - Mon, Jul 27

5:30 pm - 4:45 pm

SEA

CWL

39h 15m

2 stops

9:45 am - 8:29 pm

CWL

SEA

42h 44m

2 stops

$1,031Delta

Useful Info

Cheapest flight	$763

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

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Cardiff (CWL)

CWL

$763 Find Cheap Flights from Washington to Cardiff

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

Everything you should know

Cheap Flights from Washington to Cardiff

Recent round-trip 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

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

Find direct flights for Cardiff

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Flights from domestic origins to Cardiff

Choose which airport to fly into in Cardiff