Find flights
When to book
Airlines
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from £583

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. 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
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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 16 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 October. Prices to Cardiff from Washington, D.C. Dulles Intl Airport average £636. You can even find prices in October for less than £636, as users have found deals to Cardiff from as low as £342. 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 51%.

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 844,321 searches. Data last updated 16 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 15/1017:50IAD - CWL
1 stop10h 25mDelta
Tue 29/1006:00CWL - IAD
1 stop14h 45mDelta
Deal found 16/5£583
Tue 15/1012:35IAD - CWL
2 stops15h 40mDelta
Tue 29/1006:00CWL - IAD
1 stop14h 45mDelta
Deal found 16/5£587
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£611
Sun 1/912:33IAD - CWL
2 stops15h 42mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£615
Sun 1/912:33IAD - CWL
2 stops15h 42mDelta
Mon 9/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 16/5£622
Fri 5/717:25IAD - CWL
1 stop10h 50mDelta
Mon 15/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£929
Fri 5/713:08IAD - CWL
2 stops15h 07mDelta
Mon 15/709:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£933

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 844,321 searches. Data last updated 16 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 16/617:25IAD - CWL
1 stop18h 20mAir France
Wed 19/617:15CWL - IAD
1 stop27h 20mAir France
Deal found 16/5£1,113
Fri 14/621:20IAD - CWL
2 stops14h 25mAir France
Fri 21/609:45CWL - IAD
2 stops14h 25mAir France
Deal found 15/5£1,268

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 844,321 searches. Prices were last updated on 16 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.
Mon 10/617:25IAD - CWL
1 stop18h 20mKLM
Mon 17/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 16/5£851
Mon 10/619:20IAD - CWL
2 stops16h 25mKLM
Mon 17/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 16/5£961
Mon 10/622:45IAD - CWL
2 stops31h 45mBritish Airways
Mon 17/612:00CWL - IAD
2 stops32h 40mBritish Airways
Deal found 16/5£1,097
Sun 16/617:25IAD - CWL
1 stop18h 20mAir France
Wed 19/617:15CWL - IAD
1 stop27h 20mAir France
Deal found 16/5£1,113
Sat 15/617:17IAD - CWL
2 stops21h 53mMultiple Airlines
Sat 22/613:25CWL - IAD
2 stops34h 55mMultiple Airlines
Deal found 16/5£1,142
Fri 14/617:25IAD - CWL
1 stop10h 50mKLM
Fri 21/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 15/5£1,224
Fri 14/613:08IAD - CWL
2 stops15h 07mKLM
Fri 21/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 15/5£1,228
Fri 14/606:30IAD - CWL
3 stops48h 00mMultiple Airlines
Fri 21/619:45CWL - IAD
3 stops26h 55mMultiple Airlines
Deal found 15/5£1,254
Fri 14/621:20IAD - CWL
2 stops14h 25mAir France
Fri 21/609:45CWL - IAD
2 stops14h 25mAir France
Deal found 15/5£1,268

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 844,321 searches. Data last updated 16 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 15/1017:50IAD - CWL
1 stop10h 25mDelta
Tue 29/1006:00CWL - IAD
1 stop14h 45mDelta
Deal found 16/5£583
Wed 30/1018:35IAD - CWL
1 stop11h 10mVirgin Atlantic
Sun 3/1117:25CWL - IAD
1 stop27h 20mVirgin Atlantic
Deal found 16/5£584
Tue 15/1012:35IAD - CWL
2 stops15h 40mDelta
Tue 29/1006:00CWL - IAD
1 stop14h 45mDelta
Deal found 16/5£587
Wed 30/1015:00IAD - CWL
2 stops21h 55mVirgin Atlantic
Sun 3/1117:25CWL - IAD
1 stop27h 20mVirgin Atlantic
Deal found 16/5£588
Wed 30/1014:15IAD - CWL
2 stops22h 40mVirgin Atlantic
Sun 3/1117:25CWL - IAD
2 stops35h 03mVirgin Atlantic
Deal found 16/5£595
Sun 1/917:25IAD - CWL
1 stop10h 50mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£611
Sun 1/912:33IAD - CWL
2 stops15h 42mDelta
Mon 9/909:45CWL - IAD
1 stop10h 50mDelta
Deal found 16/5£615
Sun 1/912:33IAD - CWL
2 stops15h 42mDelta
Mon 9/909:45CWL - IAD
2 stops17h 58mDelta
Deal found 16/5£622
Mon 10/617:25IAD - CWL
1 stop18h 20mKLM
Mon 17/609:45CWL - IAD
1 stop10h 50mKLM
Deal found 16/5£851

Dulles Intl to Cardiff flights leaving soon

Find last-minute flight options from Dulles Intl to Cardiff for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 844,321 searches. Data last updated 16 May 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Cardiff. Users should examine the flight details to ensure there are no surprises.
Sun 26/523:15IAD - CWL
3 stops31h 15mMultiple Airlines
Fri 31/512:00CWL - IAD
3 stops38h 16mMultiple Airlines
Deal found 16/5£1,314
Sun 26/522:50IAD - CWL
2 stops31h 40mBritish Airways
Fri 31/512:00CWL - IAD
2 stops13h 30mBritish Airways
Deal found 16/5£1,714
Sun 26/517:25IAD - CWL
1 stop18h 20mKLM
Fri 31/509:45CWL - IAD
1 stop10h 50mKLM
Deal found 16/5£1,715
Sun 26/521:20IAD - CWL
2 stops14h 25mKLM
Fri 31/509:45CWL - IAD
1 stop10h 50mKLM
Deal found 16/5£1,728

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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£583 - £1,142

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 15/10

1 stop10h 25m

Cardiff Wales

Tue 29/10

1 stop14h 45m

£583

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

£584

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 15/10

2 stops15h 40m

Cardiff Wales

Tue 29/10

1 stop14h 45m

£587

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 30/10

2 stops21h 55m

Cardiff Wales

Sun 3/11

1 stop27h 20m

£588

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 30/10

2 stops22h 40m

Cardiff Wales

Sun 3/11

2 stops35h 03m

£595

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 10/6

1 stop18h 20m

Cardiff Wales

Mon 17/6

1 stop10h 50m

£851

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 10/6

2 stops31h 45m

Cardiff Wales

Mon 17/6

2 stops32h 40m

£1,097

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 16/6

1 stop18h 20m

Cardiff Wales

Wed 19/6

1 stop27h 20m

£1,113

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 15/6

2 stops21h 53m

Cardiff Wales

Sat 22/6

2 stops34h 55m

£1,142

Flights are sorted by cheapest first

Deals found on 16/5

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 £793. Price data was last updated on 12 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 £129). 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

£120

February

£157

March

£134

April

£140

May

£152

June

£140

July

£131

August

£133

September

£116

October

£102

November

£107

December

£155

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 16 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
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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
8.0
Very Good
10,673 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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
1,568 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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.

Virgin Atlantic
7.7
Good
735 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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
1,764 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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
6,829 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

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 £583, but on average you can expect to pay £892.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Cardiff for under £1,400?

    There are currently 4+ open flights from Washington, D.C. Dulles Intl Airport to Cardiff within the next 7 days for less than £1,400.

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

    Currently priced at £583, 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 Virgin Atlantic and KLM - these airlines can fly you to your destination from £584 and £851, 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 16/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
London to Amman flights
London to Antigua flights
London Heathrow Airport to New York John F Kennedy Intl Airport flights
London to Rome flights
London to Ohio flights
Manchester to Brussels flights
Bristol to Lisbon flights
Belfast Intl Airport to Budapest flights
Newcastle upon Tyne to Tenerife flights
London Luton Airport to Alicante flights
Bristol to Geneva flights
Washington, D.C. Dulles Intl Airport to Dhaka flights

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.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to La Paz El Alto Intl
Flights to Lhasa
Flights to Abbotsford
Flights to Parikia Paros
Flights to Cagayan de Oro Laguindingan
Flights to Comiso
Flights to Monterey Regional
Flights to Antakya Hatay
Flights to Samarkand
Flights to Houmt Souk Melita
Flights to Yanbian Yanji Chaoyangchuan
Flights to Daraga Bicol Intl
Flights to Port Vila Bauerfield
Flights to Edremit/Korfez
Flights to Guilin
Flights to Erie
Flights to Mont Lubin Rodrigues Is
Flights to Şırnak Sirnak Serafettin Elci
Flights to Elazig
Flights to Reggio Calabria Tito Menniti
Flights to Malatya Erhac
Flights to Leh
Flights to Tulum Intl
Flights to Praya Lombok Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Cardiff?

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.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Cardiff?

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to Cardiff for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines