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Cheap flights from District of Columbia to Cardiff from £561

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to Cardiff

Enter your travel dates to find the best prices.

Best flights from District of Columbia to Cardiff
Discover carefully curated flight deals from District of Columbia to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 December 2025.

Mon 12/118:05IAD - CWL
1 stop10h 45mKLM
Sun 25/117:30CWL - IAD
1 stop27h 35mKLM
Deal found 15/12£561
Sat 31/112:00DCA - CWL
2 stops16h 45mVirgin Atlantic
Sat 7/210:20CWL - DCA
2 stops17h 37mVirgin Atlantic
Deal found 16/12£566
Mon 12/112:23IAD - CWL
2 stops16h 27mMultiple Airlines
Sun 25/110:15CWL - IAD
2 stops17h 51mMultiple Airlines
Deal found 15/12£607
Sat 31/118:05IAD - CWL
1 stop17h 45mVirgin Atlantic
Sat 7/210:20CWL - IAD
2 stops13h 49mVirgin Atlantic
Deal found 16/12£566
Wed 18/319:59IAD - CWL
2 stops16h 56mKLM
Tue 24/317:25CWL - IAD
1 stop27h 40mKLM
Deal found 16/12£585
Mon 12/112:55DCA - CWL
2 stops15h 55mKLM
Sun 25/110:15CWL - DCA
2 stops17h 33mKLM
Deal found 15/12£586
Sat 31/106:00DCA - CWL
3 stops33h 55mMultiple Airlines
Sat 7/220:05CWL - DCA
2 stops28h 54mMultiple Airlines
Deal found 16/12£646
Sat 31/109:45IAD - CWL
3 stops30h 10mMultiple Airlines
Sat 7/220:05CWL - IAD
2 stops24h 44mMultiple Airlines
Deal found 16/12£646
Sat 31/112:29IAD - CWL
2 stops16h 16mKLM
Sat 7/210:20CWL - IAD
2 stops17h 46mKLM
Deal found 16/12£588
Thu 29/112:20DCA - CWL
2 stops16h 30mKLM
Thu 5/217:25CWL - DCA
2 stops28h 33mKLM
Deal found 15/12£592
Mon 12/116:10DCA - CWL
3 stops19h 45mMultiple Airlines
Sun 25/121:20CWL - DCA
2 stops30h 15mMultiple Airlines
Deal found 15/12£992

Find 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 17 December 2025.

Round-trip from

£561
KLM
  • KLM
  • 12/1-25/1
  • 2 total stops
  • 38h 20m total
  • District of Columbia to Cardiff
Search Deals

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 17 December 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

Mon 12/1

18:05-09:50

1 stop10h 45m

Cardiff Wales

Sun 25/1

17:30-16:05

1 stop27h 35m

£561

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 31/1

12:00-09:45

2 stops16h 45m

Cardiff Wales

Sat 7/2

10:20-22:57

2 stops17h 37m

£566

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 31/1

18:05-16:50

1 stop17h 45m

Cardiff Wales

Sat 7/2

10:20-19:09

2 stops13h 49m

£566

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 18/3

19:59-16:55

2 stops16h 56m

Cardiff Wales

Tue 24/3

17:25-17:05

1 stop27h 40m

£585

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Mon 12/1

12:55-09:50

2 stops15h 55m

Cardiff Wales

Sun 25/1

10:15-22:48

2 stops17h 33m

£586

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 31/1

12:29-09:45

2 stops16h 16m

Cardiff Wales

Sat 7/2

10:20-23:06

2 stops17h 46m

£588

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 29/1

12:20-09:50

2 stops16h 30m

Cardiff Wales

Thu 5/2

17:25-16:58

2 stops28h 33m

£592

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 12/1

12:23-09:50

2 stops16h 27m

Cardiff Wales

Sun 25/1

10:15-23:06

2 stops17h 51m

£607

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 31/1

06:00-20:55

3 stops33h 55m

Cardiff Wales

Sat 7/2

20:05-19:59

2 stops28h 54m

£646

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 31/1

09:45-20:55

3 stops30h 10m

Cardiff Wales

Sat 7/2

20:05-15:49

2 stops24h 44m

£646

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 11 results
1
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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 £561. 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.

See more FAQs

Travelling to a place near Cardiff?

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

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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.

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