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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from £390

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 27/9. 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
13 May — 20 May1
1 adult
Mon 13/5
Mon 20/5

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 8 May 2024.

Round-trip from

£102
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 £634. You can even find prices in November for less than £634, as users have found deals to Cardiff from as low as £347. 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 881,145 searches. Data last updated 8 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.
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 8/5£660
Wed 17/713:20IAD - CWL
2 stops14h 55mDelta
Thu 25/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 8/5£883
Mon 22/713:20IAD - CWL
2 stops14h 55mDelta
Mon 29/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 8/5£923
Fri 26/713:20IAD - CWL
2 stops14h 55mDelta
Sun 4/809:45CWL - IAD
1 stop10h 50mDelta
Deal found 8/5£971
Fri 2/811:39IAD - CWL
2 stops16h 36mDelta
Sun 11/809:45CWL - IAD
1 stop10h 50mDelta
Deal found 7/5£1,351

Cheap British Airways flights from Dulles Intl to Cardiff

Explore cheap flight options specifically provided by British Airways 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 881,145 searches. Data last updated 8 May 2024.
To aid your search, here are some of the cheapest British Airways flights we've found from Washington, D.C. to Cardiff. Deals frequently update to provide users with more options.
Wed 17/722:45IAD - CWL
2 stops31h 45mBritish Airways
Thu 25/712:00CWL - IAD
2 stops13h 30mBritish Airways
Deal found 8/5£1,084
Mon 22/722:45IAD - CWL
2 stops31h 45mBritish Airways
Mon 29/712:00CWL - IAD
2 stops37h 30mBritish Airways
Deal found 8/5£1,114
Fri 2/822:45IAD - CWL
2 stops55h 45mBritish Airways
Sun 11/812:00CWL - IAD
2 stops37h 30mBritish Airways
Deal found 7/5£1,154
Thu 30/517:55IAD - CWL
2 stops12h 35mBritish Airways
Sun 2/612:00CWL - IAD
2 stops37h 30mBritish Airways
Deal found 8/5£1,248
Sat 15/622:45IAD - CWL
2 stops31h 45mBritish Airways
Wed 19/612:00CWL - IAD
2 stops32h 40mBritish Airways
Deal found 7/5£1,556

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 881,145 searches. Prices were last updated on 8 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.
Fri 10/517:55IAD - CWL
2 stops13h 45mBritish Airways
Tue 14/512:00CWL - IAD
2 stops37h 30mBritish Airways
Deal found 8/5£821
Wed 22/517:50IAD - CWL
1 stop17h 55mKLM
Wed 29/509:45CWL - IAD
1 stop11h 15mKLM
Deal found 8/5£880
Wed 22/517:50IAD - CWL
1 stop17h 55mKLM
Wed 29/509:45CWL - IAD
2 stops15h 48mKLM
Deal found 8/5£888
Fri 7/617:25IAD - CWL
1 stop10h 50mKLM
Fri 14/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 8/5£920
Fri 10/517:25IAD - CWL
1 stop18h 20mAir France
Tue 14/509:45CWL - IAD
1 stop11h 15mAir France
Deal found 8/5£1,052
Fri 10/517:25IAD - CWL
1 stop18h 20mKLM
Tue 14/509:45CWL - IAD
2 stops18h 29mKLM
Deal found 8/5£1,060
Fri 7/617:25IAD - CWL
1 stop18h 20mKLM
Fri 14/609:45CWL - IAD
2 stops14h 25mKLM
Deal found 8/5£1,118
Fri 28/616:30IAD - CWL
2 stops19h 15mITA Airways
Sun 7/709:45CWL - IAD
2 stops33h 55mITA Airways
Deal found 7/5£1,118
Thu 30/517:25IAD - CWL
1 stop18h 20mKLM
Sun 2/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 8/5£1,132

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 881,145 searches. Data last updated 8 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 24/917:50IAD - CWL
1 stop17h 55mAir France
Thu 3/1009:45CWL - IAD
1 stop10h 50mAir France
Deal found 8/5£640
Tue 24/913:15IAD - CWL
2 stops15h 00mKLM
Thu 3/1009:45CWL - IAD
1 stop10h 50mKLM
Deal found 8/5£644
Wed 30/1006:00IAD - CWL
2 stops23h 45mVirgin Atlantic
Sun 3/1117:25CWL - IAD
2 stops35h 03mVirgin Atlantic
Deal found 7/5£652
Sun 1/917:25IAD - CWL
1 stop10h 50mKLM
Mon 9/909:45CWL - IAD
1 stop10h 50mKLM
Deal found 8/5£652
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 8/5£660
Sun 1/918:11IAD - CWL
2 stops41h 34mAir France
Mon 9/909:45CWL - IAD
2 stops19h 22mAir France
Deal found 8/5£705
Tue 24/916:30IAD - CWL
2 stops19h 15mITA Airways
Thu 3/1009:45CWL - IAD
2 stops57h 55mITA Airways
Deal found 8/5£729
Fri 20/916:30IAD - CWL
2 stops19h 15mITA Airways
Fri 27/909:45CWL - IAD
2 stops33h 55mITA Airways
Deal found 8/5£776
Fri 10/517:55IAD - CWL
2 stops13h 45mBritish Airways
Tue 14/512:00CWL - IAD
2 stops37h 30mBritish Airways
Deal found 8/5£821

One-way flights to Cardiff from Dulles Intl

Search for one-way flight options from Dulles Intl to Cardiff. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
If you're seeking multiple options on one-way flights from Washington, D.C. to Cardiff, be sure to check out these deals, which are updated often. For those needing a return trip from Washington, D.C., there is a search form available above.
Fri 27/917:25IAD - CWL
1 stop10h 50mDelta
Deal found 7/5£390
Fri 27/922:45IAD - CWL
2 stops31h 45mBritish Airways
Deal found 7/5£456
Fri 27/920:30IAD - CWL
3 stops34h 00mMultiple Airlines
Deal found 7/5£462

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 881,145 searches. Data last updated 8 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£640 - £1,084

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 24/9

1 stop17h 55m

Cardiff Wales

Thu 3/10

1 stop10h 50m

£640

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 24/9

2 stops15h 00m

Cardiff Wales

Thu 3/10

1 stop10h 50m

£644

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 30/10

2 stops23h 45m

Cardiff Wales

Sun 3/11

2 stops35h 03m

£652

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/9

1 stop10h 50m

Cardiff Wales

Mon 9/9

1 stop10h 50m

£652

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/9

1 stop10h 50m

Cardiff Wales

Mon 9/9

2 stops17h 58m

£660

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 stops19h 22m

£705

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 24/9

2 stops19h 15m

Cardiff Wales

Thu 3/10

2 stops57h 55m

£729

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 24/9

2 stops21h 53m

Cardiff Wales

Thu 3/10

3 stops26h 25m

£897

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 17/7

2 stops31h 45m

Cardiff Wales

Thu 25/7

2 stops13h 30m

£1,084

Flights are sorted by cheapest first

Deals found on 8/5

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 £436 while a return flight costs £741. Price data was last updated on 5 May 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 £128). 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

£122

February

£159

March

£136

April

£143

May

£154

June

£138

July

£129

August

£135

September

£118

October

£102

November

£106

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 8 May 2024.
See what other customers who have flown with Delta, British Airways 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
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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
10,789 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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
1,592 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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.

Virgin Atlantic
7.7
Good
739 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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
7.5
Good
1,777 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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
6,868 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Crew

8.6

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 £700 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Cardiff for under £700. The cheapest flight booked recently is on Air France for just £640, but on average you can expect to pay £859.

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

    Currently priced at £640, Air France will fly you from Washington, D.C. Dulles Intl Airport to Cardiff and back. In addition to Air France, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Virgin Atlantic - these airlines can fly you to your destination from £644 and £652, 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 8/5.

See more FAQs

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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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Fly with Cheapflights

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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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