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>

$598 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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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.

Round-trip

One-way

Recent round-trip flight deals from Washington to Cardiff

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Cardiff.

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

2:10 pm - 9:15 amSEA-CWL

35h 05m1 stop

9:50 am - 11:35 amCWL-SEA

33h 45m1 stop

$997KLM

Find Deal

Mon, May 12 - Tue, Aug 19

5:40 pm - 9:15 amSEA-CWL

31h 35m1 stop

5:15 pm - 11:45 amCWL-SEA

26h 30m1 stop

$1,012KLM

Find Deal

Sat, Sep 13 - Fri, Sep 19

8:35 am - 9:15 amSEA-CWL

16h 40m2 stops

9:50 am - 11:35 amCWL-SEA

33h 45m1 stop

$1,095KLM

Find Deal

Mon, May 12 - Tue, Aug 19

8:35 am - 9:15 amSEA-CWL

16h 40m2 stops

9:50 am - 10:10 pmCWL-SEA

20h 20m2 stops

$1,150

Find Deal

Mon, May 12 - Tue, Aug 19

1:40 pm - 4:45 pmSEA-CWL

19h 05m2 stops

9:50 am - 4:05 pmCWL-SEA

14h 15m1 stop

$1,192

Find Deal

Sat, Sep 13 - Fri, Sep 19

1:40 pm - 4:45 pmSEA-CWL

19h 05m2 stops

9:50 am - 10:16 pmCWL-SEA

20h 26m2 stops

$1,202KLM

Find Deal

Sat, Sep 13 - Fri, Sep 19

1:55 pm - 5:05 pmSEA-CWL

19h 10m1 stop

9:50 am - 3:55 pmCWL-SEA

14h 05m1 stop

$1,337Virgin Atlantic

Find Deal

Fri, Jun 13 - Fri, Jun 20

5:35 pm - 4:45 pmSEA-CWL

15h 10m1 stop

9:50 am - 3:55 pmCWL-SEA

14h 05m1 stop

$1,338Delta

Find Deal

Thu, Jun 12 - Thu, Jun 19

7:50 am - 9:10 amSEA-CWL

17h 20m2 stops

9:50 am - 3:55 pmCWL-SEA

14h 05m1 stop

$1,342Virgin Atlantic

Find Deal

Fri, Jun 13 - Fri, Jun 20

7:50 am - 9:15 amSEA-CWL

17h 25m2 stops

9:45 am - 10:22 pmCWL-SEA

20h 37m2 stops

$1,608Delta

Find Deal

Sat, Jun 14 - Sat, Jun 21

Useful Info

Low season	April
High season	May
Cheapest flight	$598

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly and prices are also 0% lower on average.

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.

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

$598 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 one-way 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.

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