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Cheap flights from District of Columbia to Cardiff from £196

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
29 Jun — 6 Jul1
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.

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 30 May 2026.

Mon 6/712:40
DCA
-
CWL
2 stops16h 35m
Multiple Airlines
Mon 13/722:10
CWL
-
DCA
2 stops26h 47m
Multiple Airlines
Deal found 27/5£509
Wed 17/616:05
IAD
-
CWL
1 stop13h 10m
Multiple Airlines
Sat 11/711:35
CWL
-
IAD
1 stop28h 11m
Multiple Airlines
Deal found 27/5£515
Wed 17/616:05
IAD
-
CWL
1 stop13h 10m
Multiple Airlines
Thu 9/711:35
CWL
-
IAD
1 stop28h 11m
Multiple Airlines
Deal found 27/5£520
Mon 6/716:20
IAD
-
CWL
1 stop12h 55m
Multiple Airlines
Mon 13/711:35
CWL
-
IAD
1 stop13h 49m
Multiple Airlines
Deal found 27/5£539
Mon 20/706:00
DCA
-
CWL
2 stops23h 15m
Multiple Airlines
Mon 27/722:10
CWL
-
DCA
2 stops29h 21m
Multiple Airlines
Deal found 28/5£542
Mon 20/716:20
IAD
-
CWL
2 stops25h 30m
Multiple Airlines
Mon 27/722:10
CWL
-
IAD
2 stops27h 14m
Multiple Airlines
Deal found 28/5£554
Sun 21/611:30
IAD
-
CWL
1 stop17h 45m
Multiple Airlines
Sat 11/711:35
CWL
-
IAD
1 stop28h 11m
Multiple Airlines
Deal found 27/5£574
Sun 21/616:00
IAD
-
CWL
1 stop13h 15m
Multiple Airlines
Thu 9/711:35
CWL
-
IAD
1 stop28h 11m
Multiple Airlines
Deal found 27/5£578

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 30 May 2026.

Round-trip from

£509

One-way from

£196
6/7-13/7
  • 6/7-13/7
  • 4 total stops
  • 43h 22m total
  • District of Columbia to Cardiff
Search Deals
22/6
  • 22/6
  • 1 total stop
  • 17h 45m 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 30 May 2026.
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Mon 20/7

06:00-10:15

2 stops23h 15m

Cardiff Wales

Mon 27/7

22:10-22:31

2 stops29h 21m

£542

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 6/7

16:20-10:15

1 stop12h 55m

Cardiff Wales

Mon 13/7

11:35-20:24

1 stop13h 49m

£544

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Mon 6/7

12:40-10:15

2 stops16h 35m

Cardiff Wales

Mon 13/7

11:35-10:18

2 stops27h 43m

£576

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 20/7

16:20-10:15

1 stop12h 55m

Cardiff Wales

Mon 27/7

11:35-20:24

1 stop13h 49m

£658

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 5/9

16:20-10:15

3 stops36h 55m

Cardiff Wales

Tue 8/9

11:35-10:20

3 stops27h 45m

£714

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 6/7

17:15-22:50

1 stop24h 35m

Cardiff Wales

Sun 19/7

21:45-15:10

2 stops22h 25m

£792

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 31/8

18:10-16:45

1 stop17h 35m

Cardiff Wales

Wed 9/9

17:15-15:35

1 stop27h 20m

£851

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 31/8

12:29-09:15

2 stops15h 46m

Cardiff Wales

Wed 9/9

09:45-15:35

1 stop10h 50m

£855

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Mon 31/8

11:50-09:15

2 stops16h 25m

Cardiff Wales

Wed 9/9

09:45-22:21

2 stops17h 36m

£861

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Mon 31/8

12:55-09:15

2 stops15h 20m

Cardiff Wales

Wed 9/9

09:45-20:19

2 stops15h 34m

£862

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 25 resultsSorted by cheapest first
1
2
3

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 17h 35m. KLM provides one of the quickest options available for as low as £851. The distance from District of Columbia to Cardiff is about 3548 mi.

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

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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.

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