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Cheap flights from District of Columbia to Cardiff from £366

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£402

One-way from

£366
8/8-15/8
  • 8/8-15/8
  • 2 total stops
  • 20h 40m total
  • District of Columbia to Cardiff
Search Deals
KLM
  • KLM
  • 26/7
  • 1 total stop
  • 18h 25m 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 11 July 2025.

Fri 8/817:20IAD - CWL
1 stop9h 10mMultiple Airlines
Fri 15/812:25CWL - IAD
1 stop11h 30mMultiple Airlines
Deal found 9/7£402
Thu 21/817:25IAD - CWL
1 stop10h 50mKLM
Thu 28/809:50CWL - IAD
1 stop10h 45mKLM
Deal found 9/7£609
Thu 21/817:25IAD - CWL
1 stop10h 50mVirgin Atlantic
Thu 28/809:50CWL - IAD
1 stop10h 45mVirgin Atlantic
Deal found 10/7£609
Thu 21/811:00DCA - CWL
2 stops17h 15mDelta
Thu 28/809:50CWL - DCA
2 stops15h 57mDelta
Deal found 10/7£620
Wed 12/1111:00IAD - CWL
2 stops24h 55mDelta
Sun 16/1110:20CWL - IAD
2 stops37h 22mDelta
Deal found 10/7£620
Sat 23/806:00DCA - CWL
3 stops23h 35mMultiple Airlines
Sat 30/809:00CWL - DCA
2 stops18h 27mMultiple Airlines
Deal found 9/7£742
Thu 25/916:30IAD - CWL
2 stops19h 15mITA Airways
Sat 27/909:45CWL - IAD
2 stops33h 55mITA Airways
Deal found 9/7£804

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 11 July 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

Fri 8/8

17:20-07:30

1 stop9h 10m

Cardiff Wales

Fri 15/8

12:25-18:55

1 stop11h 30m

£402

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 21/8

17:25-09:15

1 stop10h 50m

Cardiff Wales

Thu 28/8

09:50-15:35

1 stop10h 45m

£609

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 21/8

17:25-09:15

1 stop10h 50m

Cardiff Wales

Thu 28/8

09:50-15:35

1 stop10h 45m

£609

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 21/8

11:00-09:15

2 stops17h 15m

Cardiff Wales

Thu 28/8

09:50-20:47

2 stops15h 57m

£620

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 12/11

11:00-16:55

2 stops24h 55m

Cardiff Wales

Sun 16/11

10:20-18:42

2 stops37h 22m

£620

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Sat 23/8

06:00-10:35

3 stops23h 35m

Cardiff Wales

Sat 30/8

09:00-22:27

2 stops18h 27m

£742

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 25/9

16:30-16:45

2 stops19h 15m

Cardiff Wales

Sat 27/9

09:45-14:40

2 stops33h 55m

£804

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 26/7

17:25-16:50

1 stop18h 25m

£366

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 8/8

17:55-11:30

2 stops12h 35m

£616

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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.

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 11 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from District of Columbia to Cardiff have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
ITA Airways
6.6
Okay
1,001 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 District of Columbia?

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

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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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