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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from £604

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
8 Dec — 15 Dec1
1 adult

Find flights from Dulles Intl to Cardiff within your budget

Customise your flight search to find flights from Dulles Intl 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 927,803 searches. Data last updated 3 December 2024.

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Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 14/1

17:35-16:55

1 stop18h 20m

Cardiff Wales

Sun 2/2

17:25-15:45

1 stop27h 20m

£604

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 14/1

12:05-09:50

2 stops16h 45m

Cardiff Wales

Sun 2/2

10:20-00:22

2 stops19h 02m

£615

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 1/5

22:45-12:40

2 stops32h 55m

Cardiff Wales

Thu 8/5

12:55-15:45

2 stops31h 50m

£793

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 1/5

21:20-16:45

2 stops14h 25m

Cardiff Wales

Thu 8/5

09:45-15:35

1 stop10h 50m

£798

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Cheap flight deals from Dulles Intl to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 December 2024.

Round-trip from

£604
KLM
  • KLM
  • 14/1-2/2
  • 2 total stops
  • 45h 40m total
  • Washington, D.C. to Cardiff
Search Deals

Find flight deals from Dulles Intl to Cardiff

Cheapest flights from Dulles Intl to Cardiff
Explore the most affordable flight options available from Dulles Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2024.

Mon 23/1217:35IAD - CWL
1 stop11h 15mKLM
Mon 30/1217:25CWL - IAD
1 stop27h 20mKLM
Deal found 2/12£1,403
Mon 23/1218:00IAD - CWL
2 stops12h 30mBritish Airways
Mon 30/1212:00CWL - IAD
2 stops32h 35mBritish Airways
Deal found 2/12£1,844

Best time to book a flight from Dulles Intl to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Cardiff

Get recent, data-driven insights about flights from Dulles Intl to Cardiff including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cardiff?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of £169). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in October is currently the most expensive (average of £259). 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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 3 December 2024.
Delta
8.0
Very Good
8,698 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,698 reviews
Delta
8.0
Very Good
8,698 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,343 reviews
Delta
8.0
Very Good
8,698 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,517 reviews
Delta
8.0
Very Good
8,698 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.7
Okay
6,832 reviews
Delta
8.0
Very Good
8,698 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl?

    Located just 9.1 mi from the city center, Cardiff Wales is the airport most travelers will use when flying to Cardiff from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Cardiff Wales (CWL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Cardiff round-trip?

    Currently priced at £604, KLM will fly you from Washington, D.C. Dulles Intl Airport to Cardiff and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from £615 and £793, respectively.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of £169). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in October is currently the most expensive (average of £259). 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

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Can Cheapflights find flights from Dulles Intl to Cardiff with no change fees?

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Can Cheapflights notify me if prices for flights from Dulles Intl to Cardiff become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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