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 return 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>

£667 CHEAP FLIGHTS from Washington to Cardiff

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

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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 return 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

One-way

Recent return flight deals from Washington to Cardiff

Fri, 31 Oct - Fri, 7 Nov

07:25 - 09:50SEA-CWL

19h 25m2 stops

10:20 - 22:03CWL-SEA

19h 43m2 stops

£667Delta

Find Deal

Wed, 1 Oct - Sat, 11 Oct

13:30 - 16:45SEA-CWL

19h 15m2 stops

17:35 - 16:05CWL-SEA

30h 30m1 stop

£696KLM

Find Deal

Wed, 1 Oct - Sat, 11 Oct

17:40 - 09:15SEA-CWL

31h 35m1 stop

09:45 - 16:05CWL-SEA

14h 20m1 stop

£725Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

06:00 - 09:50SEA-CWL

20h 50m2 stops

17:15 - 11:45CWL-SEA

26h 30m1 stop

£733Virgin Atlantic

Find Deal

Wed, 1 Oct - Sat, 11 Oct

09:40 - 16:45SEA-CWL

23h 05m2 stops

09:45 - 22:03CWL-SEA

20h 18m2 stops

£741Delta

Find Deal

Wed, 1 Oct - Sat, 11 Oct

08:40 - 20:05SEA-CWL

27h 25m2 stops

09:00 - 22:31CWL-SEA

21h 31m3 stops

£906Multiple Airlines

Find Deal

Wed, 1 Oct - Sat, 11 Oct

10:00 - 20:05SEA-CWL

26h 05m3 stops

09:00 - 22:31CWL-SEA

21h 31m3 stops

£915Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

16:00 - 16:55SEA-CWL

17h 55m1 stop

17:15 - 11:45CWL-SEA

26h 30m1 stop

£918KLM

Find Deal

Fri, 31 Oct - Fri, 7 Nov

15:35 - 19:40SEA-CWL

21h 05m2 stops

19:45 - 17:00CWL-SEA

29h 15m3 stops

£1,104Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

21:05 - 11:30SEA-CWL

31h 25m3 stops

19:45 - 17:00CWL-SEA

29h 15m3 stops

£1,468Multiple Airlines

Find Deal

Cheapest return fare

£667

Delta

Fri 31/10Fri 7/11

SEA - CWL • 2 stops

Cheapest one-way flight

Multiple Airlines

Wed 17/9

LHR - CWL • multi-stop

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to Cardiff!

Useful Info

High season	May

Most popular time to fly and prices are also 1% lower on average.

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 return 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

Return flight deals

Information on the airport you'll fly into in Cardiff

Cardiff (CWL)

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.

£667 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 return flight deals from Washington to Cardiff

Recent one-way flight deals from Washington to Cardiff

Everything you should know

Good to know - Cheap tickets from Washington to Cardiff

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 return 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 hire

Find direct flights for Cardiff

Flights to other popular destinations

Flights from domestic origins to Cardiff

Choose which airport to fly into in Cardiff

Find deals for your return flight