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Cheap flights from District of Columbia to Cardiff from £245

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
12 Apr — 19 Apr1
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 13 March 2026.

Wed 8/422:20
IAD
-
CWL
2 stops19h 05m
Multiple Airlines
Sun 12/421:45
CWL
-
IAD
2 stops23h 20m
Multiple Airlines
Deal found 13/3£621
Sun 14/617:15
IAD
-
CWL
1 stop23h 30m
Multiple Airlines
Sun 21/617:40
CWL
-
IAD
2 stops30h 35m
Multiple Airlines
Deal found 10/3£629
Wed 8/416:10
DCA
-
CWL
3 stops25h 15m
Multiple Airlines
Sun 12/421:45
CWL
-
DCA
2 stops29h 58m
Multiple Airlines
Deal found 13/3£630
Sat 25/420:20
IAD
-
CWL
2 stops20h 00m
Multiple Airlines
Sat 2/507:30
CWL
-
IAD
2 stops14h 30m
Multiple Airlines
Deal found 10/3£635
Sun 14/621:00
IAD
-
CWL
1 stop19h 45m
Multiple Airlines
Tue 23/611:00
CWL
-
IAD
2 stops37h 15m
Multiple Airlines
Deal found 10/3£636
Sun 14/617:15
IAD
-
CWL
1 stop23h 30m
Multiple Airlines
Fri 19/617:45
CWL
-
IAD
2 stops27h 00m
Multiple Airlines
Deal found 10/3£641
Sun 14/606:00
DCA
-
CWL
2 stops23h 15m
Multiple Airlines
Mon 22/611:35
CWL
-
DCA
2 stops27h 43m
Multiple Airlines
Deal found 10/3£644
Mon 15/617:15
IAD
-
CWL
1 stop24h 35m
Multiple Airlines
Tue 23/621:45
CWL
-
IAD
2 stops26h 15m
Multiple Airlines
Deal found 10/3£648
Fri 24/417:40
IAD
-
CWL
1 stop10h 35m
Virgin Atlantic
Fri 1/509:45
CWL
-
IAD
1 stop10h 50m
Virgin Atlantic
Deal found 9/3£654
Wed 18/1113:00
IAD
-
CWL
2 stops15h 50m
KLM
Sun 22/1117:30
CWL
-
IAD
1 stop27h 15m
KLM
Deal found 9/3£657
Wed 18/1112:59
DCA
-
CWL
2 stops15h 51m
Delta
Sun 22/1110:20
CWL
-
DCA
2 stops17h 44m
Delta
Deal found 9/3£666
Wed 7/1012:30
IAD
-
CWL
2 stops15h 45m
KLM
Wed 21/1009:45
CWL
-
IAD
2 stops19h 20m
KLM
Deal found 9/3£666

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 13 March 2026.

Round-trip from

£621

One-way from

£245
8/4-12/4
  • 8/4-12/4
  • 4 total stops
  • 42h 25m total
  • District of Columbia to Cardiff
Search Deals
17/5
  • 17/5
  • 3 total stops
  • 45h 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 13 March 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

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 16/8

17:40-16:45

1 stop18h 05m

Cardiff Wales

Mon 24/8

09:45-15:35

1 stop10h 50m

£654
Fastest return journey

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 24/4

17:40-09:15

1 stop10h 35m

Cardiff Wales

Fri 1/5

09:45-15:35

1 stop10h 50m

£654

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 25/4

17:40-16:45

1 stop18h 05m

Cardiff Wales

Sat 2/5

09:45-15:35

1 stop10h 50m

£692

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 26/4

17:40-16:45

1 stop18h 05m

Cardiff Wales

Sun 3/5

09:50-15:35

1 stop10h 45m

£693

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 24/4

12:45-09:15

2 stops15h 30m

Cardiff Wales

Fri 1/5

09:45-15:35

1 stop10h 50m

£695

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 6/5

12:45-09:15

2 stops15h 30m

Cardiff Wales

Sun 10/5

09:50-15:35

1 stop10h 45m

£696

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sun 14/6

11:00-10:15

1 stop18h 15m

Cardiff Wales

Mon 22/6

11:35-19:57

1 stop13h 22m

£697

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 26/4

17:15-21:45

1 stop23h 30m

Cardiff Wales

Sun 3/5

17:40-19:25

2 stops30h 45m

£700

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 25/4

18:59-16:45

2 stops16h 46m

Cardiff Wales

Sat 2/5

09:45-22:41

2 stops17h 56m

£703

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 24/4

12:45-09:15

2 stops15h 30m

Cardiff Wales

Fri 1/5

09:45-23:32

2 stops18h 47m

£703

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 35 resultsSorted by cheapest first
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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 15h 30m. Virgin Atlantic provides one of the quickest options available for as low as £695. 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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Alternative routes for District of Columbia to Cardiff

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Fly with Cheapflights

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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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