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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from £562

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — CWL
10 May — 17 May1
1 adult
Fri 10/5
Fri 17/5

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 5 May 2024.

Round-trip from

£104
From Washington, D.C. Dulles Intl to Cardiff Wales
Search Deals

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

The best pricing can be found in the month of November. Prices to Cardiff from Washington, D.C. Dulles Intl Airport average £631. You can even find prices in November for less than £631, as users have found deals to Cardiff from as low as £346. The month of July appears to be one of the more expensive times to travel to Cardiff from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 54%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Cardiff (IAD - CWL)?

When flying from Washington, D.C. Dulles Intl Airport to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Dulles Intl to Cardiff

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
Consider these cheap Delta flights we've found departing from Washington, D.C. to Cardiff. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 3/917:50IAD - CWL
1 stop10h 25mDelta
Tue 10/909:45CWL - IAD
1 stop11h 15mDelta
Deal found 5/5£562
Tue 3/912:33IAD - CWL
2 stops15h 42mDelta
Tue 10/909:45CWL - IAD
1 stop11h 15mDelta
Deal found 5/5£565
Tue 3/912:33IAD - CWL
2 stops15h 42mDelta
Tue 10/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 5/5£573
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 4/5£602
Fri 20/917:25IAD - CWL
1 stop10h 50mDelta
Wed 25/909:45CWL - IAD
1 stop11h 15mDelta
Deal found 4/5£669
Fri 19/711:39IAD - CWL
2 stops16h 36mDelta
Fri 26/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 4/5£856
Fri 19/717:25IAD - CWL
1 stop10h 50mDelta
Fri 26/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 4/5£892

Cheap Air France flights from Dulles Intl to Cardiff

Explore cheap flight options specifically provided by Air France for the route between Dulles Intl and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
To aid your search, here are some of the cheapest Air France flights we've found from Washington, D.C. to Cardiff. Deals frequently update to provide users with more options.
Sun 1/918:11IAD - CWL
2 stops41h 34mAir France
Mon 9/917:15CWL - IAD
1 stop27h 45mAir France
Deal found 4/5£611
Sun 1/918:11IAD - CWL
2 stops41h 34mAir France
Mon 9/909:45CWL - IAD
2 stops41h 58mAir France
Deal found 4/5£615
Wed 30/1013:15IAD - CWL
2 stops28h 25mAir France
Sun 3/1110:15CWL - IAD
2 stops35h 15mAir France
Deal found 3/5£638
Fri 20/917:25IAD - CWL
1 stop18h 20mAir France
Wed 25/909:45CWL - IAD
2 stops37h 58mAir France
Deal found 4/5£715
Fri 16/821:20IAD - CWL
2 stops14h 25mAir France
Fri 23/809:45CWL - IAD
1 stop10h 50mAir France
Deal found 4/5£950
Sun 16/617:25IAD - CWL
1 stop18h 20mAir France
Wed 19/617:15CWL - IAD
1 stop27h 20mAir France
Deal found 5/5£1,607

Cheap Dulles Intl to Cardiff flights in May & June 2024

Find cheap flight options from Dulles Intl to Cardiff specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Prices were last updated on 5 May 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Cardiff in 2024. Check back soon for alternative fares.
Thu 20/616:30IAD - CWL
2 stops19h 15mITA Airways
Thu 27/609:45CWL - IAD
2 stops33h 55mITA Airways
Deal found 4/5£1,462
Sun 16/622:50IAD - CWL
2 stops31h 40mBritish Airways
Wed 19/612:00CWL - IAD
2 stops32h 40mBritish Airways
Deal found 4/5£1,530
Sun 16/617:25IAD - CWL
1 stop10h 50mKLM
Wed 19/609:45CWL - IAD
2 stops19h 14mKLM
Deal found 5/5£1,579
Sun 16/617:25IAD - CWL
1 stop18h 20mAir France
Wed 19/617:15CWL - IAD
1 stop27h 20mAir France
Deal found 5/5£1,607

Dulles Intl to Cardiff 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Cardiff in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Cardiff in 2024. Check back soon for alternative fares.
Tue 3/917:50IAD - CWL
1 stop10h 25mDelta
Tue 10/909:45CWL - IAD
1 stop11h 15mDelta
Deal found 5/5£562
Tue 3/912:33IAD - CWL
2 stops15h 42mDelta
Tue 10/909:45CWL - IAD
1 stop11h 15mDelta
Deal found 5/5£565
Tue 3/912:33IAD - CWL
2 stops15h 42mDelta
Tue 10/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 5/5£573
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 4/5£602
Sun 1/918:11IAD - CWL
2 stops41h 34mAir France
Mon 9/917:15CWL - IAD
1 stop27h 45mAir France
Deal found 4/5£611
Sun 1/918:11IAD - CWL
2 stops41h 34mAir France
Mon 9/909:45CWL - IAD
2 stops41h 58mAir France
Deal found 4/5£615
Wed 30/1018:35IAD - CWL
1 stop11h 10mKLM
Sun 3/1117:25CWL - IAD
1 stop27h 20mKLM
Deal found 3/5£627
Wed 30/1013:15IAD - CWL
2 stops28h 25mKLM
Sun 3/1117:25CWL - IAD
1 stop27h 20mKLM
Deal found 3/5£630
Wed 30/1013:15IAD - CWL
2 stops23h 40mKLM
Sun 3/1117:25CWL - IAD
1 stop27h 20mKLM
Deal found 4/5£631

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 892,239 searches. Data last updated 5 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£562 - £853

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 3/9

1 stop10h 25m

Cardiff Wales

Tue 10/9

1 stop11h 15m

£562

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 3/9

2 stops15h 42m

Cardiff Wales

Tue 10/9

1 stop11h 15m

£565

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 3/9

2 stops15h 42m

Cardiff Wales

Tue 10/9

2 stops17h 58m

£573

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/9

2 stops41h 34m

Cardiff Wales

Mon 9/9

1 stop27h 45m

£611

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/9

2 stops41h 34m

Cardiff Wales

Mon 9/9

2 stops41h 58m

£615

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 30/10

1 stop11h 10m

Cardiff Wales

Sun 3/11

1 stop27h 20m

£627

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 30/10

2 stops28h 25m

Cardiff Wales

Sun 3/11

1 stop27h 20m

£630

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 20/9

2 stops19h 15m

Cardiff Wales

Wed 25/9

2 stops33h 55m

£735

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 16/8

2 stops31h 45m

Cardiff Wales

Fri 23/8

2 stops13h 30m

£853

Flights are sorted by cheapest first

Deals found on 5/5

No data available for this route at this time. Please check back soon.

Average price of flights to Cardiff by month

Plan your trip from Dulles Intl to Cardiff by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Cardiff is currently £0 while a return flight costs £641. Price data was last updated on 28 April 2024.

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of £131). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in February is currently the most expensive (average of £199). 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.

January

£121

February

£159

March

£135

April

£142

May

£149

June

£129

July

£128

August

£135

September

£118

October

£104

November

£105

December

£156

Temperature and rainfall in Cardiff by month

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

CWL

Temperature

4 - 18 °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 5 May 2024.
See what other customers who have flown with Delta, Air France and KLM from Washington, D.C. to Cardiff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very Good
10,826 reviews
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,603 reviews
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.6
Good
1,785 reviews
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,874 reviews
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

ITA Airways
6.7
Okay
725 reviews
Delta
8.1
Very Good
10,826 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Cardiff for under £600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Cardiff for under £600. The cheapest flight booked recently is on Delta for just £562, but on average you can expect to pay £710.

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

    Currently priced at £562, Delta will fly you from Washington, D.C. Dulles Intl Airport to Cardiff and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air France and KLM - these airlines can fly you to your destination from £611 and £627, respectively.

  • What does IAD to CWL mean?

    Great question - IAD to CWL just means Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Dulles Intl to Cardiff that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Cardiff flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Cardiff with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Cardiff flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Dulles Intl to Cardiff that allow pets onboard?

    Many airlines flying from Dulles Intl to Cardiff offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Cardiff?

    Yes, you can often find last-minute deals on Dulles Intl to Cardiff flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Cardiff flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Cardiff flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for Dulles Intl to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Dulles Intl to Cardiff by cabin class

Find flights from Dulles Intl to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Cheapflights makes it easy to find Dulles Intl to Cardiff flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Cardiff flexibly with Cheapflights today.

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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