Cheap flights from Dulles Intl (IAD) to Cardiff (CWL) from $704

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. 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
mai 9 — mai 161

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 mai 4, 2024.

Popular in

July

Cheapest in

November

Average price

$716

Round-trip from

$708
High demand for flights, 68% potential price rise
Best time to find cheap flights, 42% potential price drop
Average for round-trip flights in May 2024
From Washington, D.C. Dulles Intl to Cardiff Wales

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Cardiff?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Cardiff. Check prices with Cheapflights to find a great deal for your trip.

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

Flights from Washington, D.C. Dulles Intl Airport to Cardiff lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Cardiff in November, with the cheapest ticket starting at $434.

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 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 2,864,334 searches. Data last updated mai 4, 2024.
Take a look at some of the lowest-priced Air France flights heading from Washington, D.C. to Cardiff. Deals update often to give you more flight options matching your criteria
ti. 9/1012:00 pmIAD - CWL
2 stops23h 45mAir France
ti. 9/175:15 pmCWL - IAD
2 stops31h 43mAir France
Deal found 5/3$766
sø. 9/16:11 pmIAD - CWL
2 stops41h 34mAir France
ma. 9/95:15 pmCWL - IAD
1 stop27h 45mAir France
Deal found 5/3$767
sø. 9/16:11 pmIAD - CWL
2 stops41h 34mAir France
ma. 9/99:45 amCWL - IAD
2 stops39h 13mAir France
Deal found 5/3$771
sø. 9/16:11 pmIAD - CWL
2 stops41h 34mAir France
ma. 9/95:15 pmCWL - IAD
1 stop27h 45mAir France
Deal found 5/2$775
sø. 9/16:11 pmIAD - CWL
2 stops41h 34mAir France
ma. 9/95:15 pmCWL - IAD
2 stops34h 28mAir France
Deal found 5/2$780
on. 7/1011:39 amIAD - CWL
2 stops24h 06mAir France
on. 7/175:15 pmCWL - IAD
2 stops35h 44mAir France
Deal found 5/3$1,080
on. 5/229:20 pmIAD - CWL
2 stops14h 25mAir France
on. 5/299:45 amCWL - IAD
2 stops14h 25mAir France
Deal found 5/3$1,254
sø. 6/165:25 pmIAD - CWL
1 stop18h 20mAir France
on. 6/195:15 pmCWL - IAD
1 stop27h 20mAir France
Deal found 5/2$2,017

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 2,864,334 searches. Data last updated mai 4, 2024.
Some of the best deals we've found on Delta flights traveling from Washington, D.C. to Cardiff. Ensure the flight price, dates, time, and airline match your criteria before you book.
ti. 9/105:50 pmIAD - CWL
1 stop10h 25mDelta
ti. 9/179:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 5/3$704
ti. 9/1012:30 pmIAD - CWL
2 stops15h 45mDelta
ti. 9/179:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 5/3$709
sø. 9/15:25 pmIAD - CWL
1 stop10h 50mDelta
ma. 9/99:45 amCWL - IAD
1 stop10h 50mDelta
Deal found 5/3$754
on. 10/306:40 pmIAD - CWL
1 stop11h 05mDelta
sø. 11/310:15 amCWL - IAD
2 stops54h 55mDelta
Deal found 5/2$756
on. 10/306:40 pmIAD - CWL
1 stop11h 05mDelta
sø. 11/310:15 amCWL - IAD
2 stops54h 55mDelta
Deal found 5/1$757
on. 10/306:10 amIAD - CWL
2 stops23h 35mDelta
sø. 11/310:15 amCWL - IAD
2 stops54h 55mDelta
Deal found 5/1$761
sø. 9/15:25 pmIAD - CWL
1 stop10h 50mDelta
ma. 9/99:45 amCWL - IAD
1 stop10h 50mDelta
Deal found 5/2$763
on. 7/101:20 pmIAD - CWL
2 stops14h 55mDelta
on. 7/179:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 5/3$884
fr. 7/1911:39 amIAD - CWL
2 stops16h 36mDelta
fr. 7/269:45 amCWL - IAD
1 stop10h 50mDelta
Deal found 5/3$1,074

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 2,864,334 searches. Prices were last updated on mai 4, 2024.
These are some of the best deals we've found on flights to Cardiff in 2024 at this time. Check back regularly for other flight deals.
on. 5/225:50 pmIAD - CWL
1 stop17h 55mKLM
on. 5/299:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 5/3$990
on. 5/225:50 pmIAD - CWL
1 stop17h 55mKLM
on. 5/299:45 amCWL - IAD
2 stops15h 48mKLM
Deal found 5/3$1,001
sø. 6/25:25 pmIAD - CWL
1 stop10h 50mKLM
sø. 6/99:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/3$1,040
fr. 6/75:25 pmIAD - CWL
1 stop18h 20mKLM
to. 6/139:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/2$1,041
sø. 6/235:25 pmIAD - CWL
1 stop10h 50mKLM
sø. 6/309:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/3$1,124
sø. 6/231:09 pmIAD - CWL
2 stops15h 06mKLM
sø. 6/309:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/3$1,209
on. 5/229:20 pmIAD - CWL
2 stops14h 25mAir France
on. 5/299:45 amCWL - IAD
2 stops14h 25mAir France
Deal found 5/3$1,254
sø. 6/29:20 pmIAD - CWL
2 stops14h 25mKLM
sø. 6/99:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/3$1,277
fr. 6/79:20 pmIAD - CWL
2 stops14h 25mKLM
to. 6/139:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 5/2$1,298

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 2,864,334 searches. Data last updated mai 4, 2024.
These are some of the best deals we've found on flights to Cardiff in 2024 at this time. Check back regularly for other flight deals.
ti. 9/105:50 pmIAD - CWL
1 stop10h 25mDelta
ti. 9/179:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 5/3$704
ti. 9/1012:30 pmIAD - CWL
2 stops15h 45mDelta
ti. 9/179:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 5/3$709
to. 11/75:40 pmIAD - CWL
1 stop11h 05mDelta
on. 11/206:00 amCWL - IAD
1 stop14h 45mDelta
Deal found 5/3$740
to. 11/75:40 pmIAD - CWL
1 stop11h 05mDelta
on. 11/2010:15 amCWL - IAD
2 stops18h 52mDelta
Deal found 5/3$750
to. 11/712:30 pmIAD - CWL
2 stops16h 15mDelta
to. 11/1410:15 amCWL - IAD
2 stops17h 28mDelta
Deal found 5/3$754
on. 10/306:40 pmIAD - CWL
1 stop11h 05mDelta
sø. 11/310:15 amCWL - IAD
2 stops54h 55mDelta
Deal found 5/2$756
on. 10/301:15 pmIAD - CWL
2 stops16h 30mDelta
sø. 11/310:15 amCWL - IAD
2 stops54h 55mDelta
Deal found 5/2$761
ti. 9/1012:00 pmIAD - CWL
2 stops23h 45mAir France
ti. 9/175:15 pmCWL - IAD
2 stops31h 43mAir France
Deal found 5/3$766
sø. 9/16:11 pmIAD - CWL
2 stops41h 34mAir France
ma. 9/95:15 pmCWL - IAD
1 stop27h 45mAir France
Deal found 5/3$767

Find flights from Dulles Intl to Cardiff within your budget

Customize 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 2,864,334 searches. Data last updated mai 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$704 - $1,508

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ti. 9/10

1 stop10h 25m

Cardiff Wales

ti. 9/17

1 stop11h 15m

$704

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ti. 9/10

2 stops15h 45m

Cardiff Wales

ti. 9/17

1 stop11h 15m

$709

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

sø. 9/1

1 stop10h 50m

Cardiff Wales

ma. 9/9

1 stop10h 50m

$754

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ti. 9/10

2 stops23h 45m

Cardiff Wales

ti. 9/17

2 stops31h 43m

$766

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

sø. 9/1

2 stops41h 34m

Cardiff Wales

ma. 9/9

1 stop27h 45m

$767

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

on. 10/30

1 stop11h 10m

Cardiff Wales

sø. 11/3

1 stop27h 20m

$787

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

ti. 5/28

2 stops31h 45m

Cardiff Wales

ma. 6/3

2 stops37h 30m

$1,157

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

fr. 7/19

2 stops31h 45m

Cardiff Wales

fr. 7/26

2 stops13h 30m

$1,352

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

sø. 6/23

2 stops19h 15m

Cardiff Wales

sø. 6/30

2 stops33h 55m

$1,508

Flights are sorted by cheapest first

Deals found on 5/3

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Cardiff. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Cardiff flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 round-trip flight costs $945. Price data was last updated on April 28, 2024.

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of $708). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in June is currently the most expensive (average of $1,565). 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

$708

February

$726

March

$897

April

$784

May

$946

June

$1,565

July

$1,315

August

$998

September

$859

October

$825

November

$901

December

$816

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

39.2 - 64.4 °F

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 mai 4, 2024.
Peruse reviews from past customers who have flown with Air France, Delta and British Airways from Washington, D.C. to Cardiff to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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.

8.1
Very good
10,848 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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.

7.9
Good
1,604 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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.

7.6
Good
1,790 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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.

6.8
Okay
6,876 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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.

6.7
Okay
723 reviews
8.1
Very good
10,848 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

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?

    For a flight from Washington, D.C. Dulles Intl to Cardiff, you will be flying into 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 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Cardiff Wales from Washington, D.C. Dulles Intl on a regular basis.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Cardiff for under $800 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Cardiff for under $800. The cheapest flight booked recently is on Delta for just $704, but on average you can expect to pay $837.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Cardiff is Delta. Our recent data shows that you can find tickets from as low as $704 on this airline. Additional options worth looking into are Air France and KLM, starting at $766 and $787 round-trip. These flights start at 38% lower than the current average price 3 months from now.

  • What does IAD to CWL mean?

    Washington, D.C. Dulles Intl Airport is IAD and Cardiff Wales Airport is CWL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • 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 vacation 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 5/3.

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.

Top 2 airlines flying from Dulles Intl to Cardiff

Discover the top 2 airlines that operate flights from Dulles Intl to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated mai 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$656Average$783FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$726Average$910FlexibilityNo cancel feeOn-time75%
Search KLM 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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 goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to Cardiff. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Cardiff from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Cardiff from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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