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Cheap flights from District of Columbia to Cardiff from £171

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
26 Aug — 2 Sep1
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 27 July 2026.

Tue 15/906:00
DCA
-
CWL
3 stops36h 25m
Multiple Airlines
Tue 22/923:15
CWL
-
DCA
3 stops28h 19m
Multiple Airlines
Deal found 25/7£545
Tue 15/916:00
IAD
-
CWL
2 stops26h 25m
Multiple Airlines
Tue 22/923:15
CWL
-
IAD
3 stops26h 10m
Multiple Airlines
Deal found 25/7£568
Sun 25/1018:05
IAD
-
CWL
1 stop10h 05m
Multiple Airlines
Thu 26/1117:30
CWL
-
IAD
2 stops30h 35m
Multiple Airlines
Deal found 26/7£626
Wed 28/1022:00
IAD
-
CWL
1 stop11h 00m
Multiple Airlines
Thu 26/1117:30
CWL
-
IAD
2 stops30h 35m
Multiple Airlines
Deal found 26/7£631
Thu 22/1011:25
IAD
-
CWL
2 stops29h 55m
Multiple Airlines
Sat 21/1108:15
CWL
-
IAD
1 stop12h 20m
Multiple Airlines
Deal found 26/7£662
Thu 22/1011:25
IAD
-
CWL
2 stops29h 55m
Multiple Airlines
Mon 23/1108:35
CWL
-
IAD
1 stop12h 00m
Multiple Airlines
Deal found 26/7£671
Sat 24/1018:15
IAD
-
CWL
1 stop15h 40m
Multiple Airlines
Thu 26/1117:30
CWL
-
IAD
2 stops30h 35m
Multiple Airlines
Deal found 26/7£677
Sun 25/1018:05
IAD
-
CWL
1 stop10h 05m
Multiple Airlines
Sun 22/1109:05
CWL
-
IAD
2 stops36h 15m
Multiple Airlines
Deal found 26/7£680
Wed 28/1022:00
IAD
-
CWL
1 stop11h 00m
Multiple Airlines
Sun 22/1109:05
CWL
-
IAD
2 stops36h 15m
Multiple Airlines
Deal found 26/7£683
Sat 24/1011:25
IAD
-
CWL
2 stops40h 45m
Multiple Airlines
Sat 21/1108:15
CWL
-
IAD
1 stop12h 20m
Multiple Airlines
Deal found 26/7£686
Sat 24/1011:25
IAD
-
CWL
2 stops40h 45m
Multiple Airlines
Mon 23/1108:35
CWL
-
IAD
1 stop12h 00m
Multiple Airlines
Deal found 26/7£695
Thu 10/906:00
DCA
-
CWL
3 stops35h 20m
Multiple Airlines
Thu 17/922:50
CWL
-
DCA
2 stops26h 09m
Multiple Airlines
Deal found 27/7£698

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 27 July 2026.

Round-trip from

£545

One-way from

£171
15/9-22/9
  • 15/9-22/9
  • 6 total stops
  • 64h 44m total
  • District of Columbia to Cardiff
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 21h 55m 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 27 July 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

Tue 15/9

06:00-23:25

3 stops36h 25m

Cardiff Wales

Tue 22/9

23:15-22:34

3 stops28h 19m

£545

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sun 25/10

13:25-09:50

2 stops16h 25m

Cardiff Wales

Thu 26/11

10:20-23:28

2 stops18h 08m

£845

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 13/9

11:10-09:15

2 stops17h 05m

Cardiff Wales

Mon 28/9

17:15-15:35

1 stop27h 20m

£846

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sun 13/9

15:05-09:15

2 stops13h 10m

Cardiff Wales

Mon 28/9

17:15-17:48

2 stops29h 33m

£867

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Tue 27/10

12:27-09:50

2 stops17h 23m

Cardiff Wales

Sat 21/11

10:20-23:28

2 stops18h 08m

£883

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 24/10

17:15-10:50

2 stops12h 35m

Cardiff Wales

Tue 24/11

10:20-22:48

2 stops17h 28m

£884
Fastest return journey

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 13/9

17:40-09:15

1 stop10h 35m

Cardiff Wales

Mon 28/9

09:45-15:35

1 stop10h 50m

£884

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

09:45-15:35

1 stop10h 50m

£889

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

£892

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 22/10

12:27-09:15

2 stops15h 48m

Cardiff Wales

Wed 25/11

10:20-23:28

2 stops18h 08m

£893

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Showing 1-10 of 34 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 17h 05m. Delta provides one of the quickest options available for as low as £846. 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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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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