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Cheap flights from Cardiff to Washington, D.C. Dulles Intl Airport from £766

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
27 Nov — 4 Dec1
1 adult

Cheap flight deals from Cardiff to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Dulles Intl (IAD). 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 22 November 2024.

Find flight deals from Cardiff to Dulles Intl

Best flights from Cardiff to Dulles Intl
Discover carefully curated flight deals from Cardiff to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 November 2024.

Fri 3/117:25CWL - IAD
1 stop27h 20mVirgin Atlantic
Fri 10/117:35IAD - CWL
1 stop11h 20mVirgin Atlantic
Deal found 21/11£1,174
Fri 3/110:20CWL - IAD
2 stops34h 20mMultiple Airlines
Fri 10/117:10IAD - CWL
3 stops18h 45mMultiple Airlines
Deal found 21/11£1,494

Find flights from Cardiff to Dulles Intl within your budget

Customise your flight search to find flights from Cardiff to Dulles Intl 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 915,844 searches. Data last updated 22 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 3/1

17:25-15:45

1 stop27h 20m

Washington, D.C. Dulles Intl

Fri 10/1

17:35-09:55

1 stop11h 20m

£1,174

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 3/1

10:20-15:40

2 stops34h 20m

Washington, D.C. Dulles Intl

Fri 10/1

17:10-16:55

3 stops18h 45m

£1,494

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sun 5/1

08:20-12:15

3 stops32h 55m

£766

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 3/1

10:20-00:38

2 stops19h 18m

£2,144

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 4/1

17:25-15:45

1 stop27h 20m

£2,164

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 4/1

12:00-19:45

2 stops36h 45m

£2,205

Flights are sorted by cheapest return flights first.

Deals found on 21/11

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
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 Cardiff to Dulles Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Cardiff to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Cardiff to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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 Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 22 November 2024.
KLM
7.8
Good
1,346 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,346 reviews
KLM
7.8
Good
1,346 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Virgin Atlantic
7.5
Good
662 reviews
KLM
7.8
Good
1,346 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air France
7.4
Good
1,528 reviews
KLM
7.8
Good
1,346 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

British Airways
6.7
Okay
6,831 reviews
KLM
7.8
Good
1,346 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.2

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Dulles Intl. 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 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.

  • What are the cheapest airlines to fly from Cardiff to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Air France. According to our data, you can fly for as low as £2,144. Users have also found prices from £2,164 and £2,205 on KLM and British Airways, respectively.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Cardiff to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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.

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

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.

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

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

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