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Cheap flights from Cardiff to Washington, D.C. Dulles Intl Airport from £449

CWL — IAD
28 Sep — 5 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Dulles Intl

Fri 9/1009:45 -
1 stop10h 50m
Fri 16/1017:30 -
1 stop10h 45m
Deal found 25/8£679
Fri 9/1009:45 -
1 stop10h 50m
Fri 16/1012:30 -
2 stops15h 45m
Deal found 25/8£691
Fri 9/1009:45 -
2 stops18h 41m
Fri 16/1012:30 -
2 stops15h 45m
Deal found 25/8£705
Sun 4/1009:50 -
2 stops14h 45m
Thu 8/1018:15 -
2 stops17h 30m
Deal found 27/8£870
Sun 4/1009:35 -
2 stops38h 25m
Thu 8/1017:30 -
1 stop18h 15m
Deal found 27/8£895

Find flight deals from Cardiff to Dulles Intl

Round-trip from

£679

One-way from

£449
KLM
  • KLM
  • 9/10-16/10
  • 2 total stops
  • 21h 35m total
  • Cardiff to Washington, D.C.
Search Deals
18/9
  • 18/9
  • 3 total stops
  • 28h 30m total
  • Cardiff to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cardiff to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Fri 9/10

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Fri 16/10

17:30-09:15

1 stop10h 45m

£679

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Fri 9/10

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Fri 16/10

12:30-09:15

2 stops15h 45m

£691

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Fri 9/10

09:45-23:26

2 stops18h 41m

Washington, D.C. Dulles Intl

Fri 16/10

12:30-09:15

2 stops15h 45m

£705

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Sun 4/10

09:35-19:00

2 stops38h 25m

Washington, D.C. Dulles Intl

Thu 8/10

17:30-16:45

1 stop18h 15m

£895
Cheapest one-way
Fastest single journey

CardiffWashington, D.C.

CWL Cardiff Wales - IAD Washington, D.C. Dulles Intl

CWLIAD

Cardiff Wales

Fri 18/9

22:45-22:15

3 stops28h 30m

£449

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Sorted by cheapest first

Best time to book a flight from Cardiff to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cardiff with our price prediction graph.
Estimated return price

Related info for your journey

  • What airport do you fly from for flights from Cardiff to Washington, D.C. Dulles Intl?

    For a flight from Cardiff to Washington, D.C. Dulles Intl, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city. Cardiff Wales is the only Cardiff airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Cardiff Wales on a regular basis.

  • How long is the flight from Cardiff to Washington, D.C. Dulles Intl Airport?

    Airlines like KLM and Delta fly from Cardiff to Washington, D.C. Dulles Intl Airport in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 7h 51m. There are 3548 mi between Cardiff and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Cardiff to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Cardiff to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Dulles Intl.

  • Can I find deals for business class flights from Cardiff to Dulles Intl?

    Yes. Cheapflights offers flight deals from Cardiff to Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield
Sterling

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Need flexible booking options for your flight to Dulles Intl from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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