Cheap Flights from Cardiff to Washington D.C. from HK$12,597️ (CWL-WAS)

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Latest Flight Deals from Cardiff to Washington D.C.

Book one-way or return flights from Cardiff to Washington D.C. from as little as HK$12,597. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Cardiff to Washington D.C.? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Cardiff to Washington D.C.. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Cardiff to Washington D.C.

View airlines operating flights from Cardiff to Washington D.C.. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

KLM Royal Dutch Airlines

From HK$4,447

Vueling Airlines

From HK$5,592

Virgin Atlantic

From HK$12,386

Air France

From HK$12,597

Delta Air Lines

From HK$16,436

Loganair

From HK$22,627

Aer Lingus

From HK$46,408

ANA airlines

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Alternative Routes from Cardiff to Washington D.C.

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Cardiff to Washington D.C..

Cheapest
CWL
17:15
29h 25m
2 transfer
IAD
17:40
Cardiff Airport - Dulles International Airport
Thu, Jun 13KLM
HK$4,447
CWL
17:15
43h 36m
2 transfer
DCA
07:51
Cardiff Airport - Ronald Reagan Washington National Airport
Sat, Jun 1KLM
HK$6,616
CWL
17:15
43h 36m
2 transfer
DCA
07:51
Cardiff Airport - Ronald Reagan Washington National Airport
Sat, Jun 1KLM
HK$6,616
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How do I find the cheapest flights?

When are flight tickets from Cardiff (CWL) to Washington D.C. (WAS) the cheapest?
Airlines adjust prices for flights from Cardiff to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Cardiff (CWL) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around HK$18,952.
How many airports in Washington D.C. (WAS)?
There are 3 airport(s) in Washington D.C. (WAS): Baltimore/Washington Thurgood Marshall International Airport, Ronald Reagan Washington National Airport and Dulles International Airport.

How to find a cheap flight from Cardiff to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Cardiff to Washington D.C.. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com