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>

£714 CHEAP FLIGHTS from Washington to Cardiff

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 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

Sun, 21 Sep - Sat, 27 Sep

17:40 - 16:45SEA-CWL

15h 05m1 stop

17:35 - 11:45CWL-SEA

26h 10m1 stop

£714KLM

Find Deal

Sun, 2 Nov - Sat, 15 Nov

05:00 - 08:50SEA-CWL

19h 50m2 stops

17:25 - 11:50CWL-SEA

26h 25m1 stop

£718Virgin Atlantic

Find Deal

Sun, 2 Nov - Sat, 15 Nov

09:40 - 16:55SEA-CWL

23h 15m2 stops

10:20 - 22:16CWL-SEA

19h 56m2 stops

£725Delta

Find Deal

Sun, 2 Nov - Sat, 15 Nov

15:00 - 09:50SEA-CWL

34h 50m1 stop

10:20 - 11:50CWL-SEA

33h 30m1 stop

£742KLM

Find Deal

Sun, 21 Sep - Sat, 27 Sep

16:55 - 16:45SEA-CWL

15h 50m2 stops

17:35 - 11:45CWL-SEA

26h 10m1 stop

£745KLM

Find Deal

Sat, 13 Sep - Fri, 19 Sep

17:40 - 09:15SEA-CWL

31h 35m1 stop

17:15 - 16:05CWL-SEA

30h 50m1 stop

£806KLM

Find Deal

Sat, 13 Sep - Fri, 19 Sep

17:40 - 09:15SEA-CWL

31h 35m1 stop

17:15 - 16:05CWL-SEA

30h 50m1 stop

£815KLM

Find Deal

Sat, 13 Sep - Fri, 19 Sep

07:20 - 09:15SEA-CWL

17h 55m2 stops

09:50 - 16:05CWL-SEA

14h 15m1 stop

£882Delta

Find Deal

Fri, 4 Jul - Mon, 7 Jul

19:35 - 10:35SEA-CWL

31h 00m1 stop

13:10 - 12:58CWL-SEA

55h 48m2 stops

£1,135

Find Deal

Fri, 4 Jul - Mon, 7 Jul

18:50 - 11:30SEA-CWL

32h 40m3 stops

13:10 - 22:16CWL-SEA

41h 06m3 stops

£1,236

Find Deal

Useful Info

High season	May

Most popular time to fly and prices are also 8% 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.

£714 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

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