Find flights
When to book
FAQs

Cheap flights from District of Columbia to Cardiff from £477

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from District of Columbia to Cardiff

Keep the following information in mind while searching for District of Columbia to Cardiff flight deals. Data was last updated 12 September 2025.

Round-trip from

£477
25/10-1/11
  • 25/10-1/11
  • 2 total stops
  • 32h 20m total
  • District of Columbia to Cardiff
Search Deals

Find flight deals from District of Columbia to Cardiff

Cheapest flights from District of Columbia to Cardiff
Explore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Sat 25/1018:20IAD - CWL
1 stop11h 30mMultiple Airlines
Sat 1/1123:45CWL - IAD
1 stop20h 50mMultiple Airlines
Deal found 10/9£477
Sun 26/1019:05IAD - CWL
1 stop10h 45mVirgin Atlantic
Sun 2/1117:30CWL - IAD
1 stop27h 35mVirgin Atlantic
Deal found 11/9£596
Mon 13/1017:25IAD - CWL
1 stop18h 20mKLM
Wed 22/1009:50CWL - IAD
1 stop10h 45mKLM
Deal found 10/9£609
Sat 25/1011:00DCA - CWL
2 stops18h 50mMultiple Airlines
Sat 1/1123:45CWL - DCA
2 stops27h 50mMultiple Airlines
Deal found 10/9£611
Thu 30/1019:05IAD - CWL
1 stop10h 45mDelta
Thu 13/1110:20CWL - IAD
2 stops17h 43mDelta
Deal found 10/9£616
Wed 12/1112:11IAD - CWL
2 stops16h 39mDelta
Sun 16/1110:20CWL - IAD
2 stops41h 43mDelta
Deal found 9/9£619
Sat 25/1011:10DCA - CWL
2 stops18h 40mDelta
Sat 1/1110:20CWL - DCA
2 stops16h 39mDelta
Deal found 10/9£620
Sun 26/1019:05IAD - CWL
1 stop17h 40mKLM
Sun 2/1117:30CWL - IAD
2 stops30h 48mKLM
Deal found 11/9£645
Thu 18/917:25IAD - CWL
1 stop10h 50mDelta
Tue 30/909:50CWL - IAD
1 stop10h 45mDelta
Deal found 10/9£647
Wed 8/1018:20DCA - CWL
2 stops17h 25mAir France
Sun 12/1017:15CWL - DCA
2 stops34h 44mAir France
Deal found 9/9£658
Sun 26/1013:45DCA - CWL
2 stops16h 05mDelta
Sun 2/1110:20CWL - DCA
2 stops17h 42mDelta
Deal found 11/9£712
Sun 26/1006:59DCA - CWL
3 stops36h 06mMultiple Airlines
Sun 2/1121:20CWL - DCA
2 stops30h 15mMultiple Airlines
Deal found 11/9£870

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.

Fly from

District of Columbia

Fly to

Cardiff

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 25/10

17:00-21:55

3 stops23h 55m

Cardiff Wales

Sat 1/11

20:05-22:00

2 stops29h 55m

£592

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 30/10

19:05-16:45

1 stop17h 40m

Cardiff Wales

Thu 13/11

17:25-16:05

1 stop27h 40m

£609

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 13/10

17:25-16:45

1 stop18h 20m

Cardiff Wales

Wed 22/10

09:50-15:35

1 stop10h 45m

£609

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 12/11

18:05-09:50

1 stop10h 45m

Cardiff Wales

Sun 16/11

17:30-16:05

1 stop27h 35m

£610

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 25/10

11:00-10:50

2 stops18h 50m

Cardiff Wales

Sat 1/11

23:45-23:35

2 stops27h 50m

£611

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 17/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Sat 28/2

17:25-16:05

1 stop27h 40m

£616

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 16/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Sat 28/2

17:25-16:05

1 stop27h 40m

£616

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 16/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Fri 27/2

17:25-16:05

1 stop27h 40m

£616

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 15/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Fri 27/2

17:25-16:05

1 stop27h 40m

£616

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 17/2

18:05-09:50

1 stop10h 45m

Cardiff Wales

Thu 26/2

17:25-16:05

1 stop27h 40m

£616

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from District of Columbia to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from District of Columbia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Cardiff
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from District of Columbia?

    Cardiff Wales (CWL) is the airport you will fly into if you book a flight from District of Columbia to Cardiff. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

  • How long is the flight from District of Columbia to Cardiff?

    A quick flight from District of Columbia to Cardiff can take about 10h 45m. KLM provides one of the quickest options available for as low as £610. The distance from District of Columbia to Cardiff is about 3548 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from District of Columbia to Cardiff that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Cardiff.

  • Can I find deals for business class flights from District of Columbia to Cardiff?

    Yes. Cheapflights offers flight deals from District of Columbia to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Cardiff?

    Currently, July is the cheapest month in which you can book a flight from District of Columbia to Cardiff (average of £169). Flying from District of Columbia to Cardiff in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Manchester flights
Newark to Manchester flights
Orlando to Manchester flights
Dulles Intl to Manchester flights
Atlanta to Manchester flights
LaGuardia to Manchester flights
Boston to Manchester flights
Baltimore to Manchester flights
Reagan-National to Manchester flights
Los Angeles to Manchester flights
O'Hare Intl to Manchester flights
Seattle to Manchester flights
Sky Harbor Intl to Manchester flights
Santa Ana to Manchester flights
Indianapolis to Manchester flights
Ontario to Manchester flights
Miami to Manchester flights
San Francisco to Manchester flights
Philadelphia to Manchester flights
Dallas/Fort Worth to Manchester flights
Midway to Manchester flights
Portland to Manchester flights
Detroit to Manchester flights
Hobby to Manchester flights
Charlotte to Manchester flights
Raleigh to Manchester flights
Denver to Manchester flights
George Bush Intcntl to Manchester flights
Jacksonville to Manchester flights
Fort Lauderdale to Manchester flights
Tampa to Manchester flights
Cleveland to Manchester flights
Cincinnati to Manchester flights
Minneapolis to Manchester flights
Las Vegas to Manchester flights
Austin to Manchester flights
San Diego to Manchester flights
West Palm Beach to Manchester flights
Des Moines to Manchester flights
Nashville to Manchester flights
St. Louis to Manchester flights
San Antonio to Manchester flights
Dulles Intl to Bristol flights
Spokane to Manchester flights
San Jose to Manchester flights
Salt Lake City to Manchester flights
Boston to Bristol flights
O'Hare Intl to Bristol flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from District of Columbia to Cardiff?

Cheapflights helps you search for flights from District of Columbia to Cardiff via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Cardiff?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from District of Columbia to Cardiff.

Can Cheapflights find flights from District of Columbia to Cardiff with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from District of Columbia to Cardiff, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from District of Columbia to Cardiff become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from District of Columbia today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.