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Cheap flights from Dulles Intl (IAD) to Cardiff (CWL) from $741

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 9/19. 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
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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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 June 6, 2024.

Round-trip from

$708
From Washington, D.C. Dulles Intl to Cardiff Wales
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What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Cardiff?

Flying to your destination on a Tuesday 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 May. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Cardiff in October, with the cheapest ticket starting at $434.

What is the cheapest time of day to fly from IAD to 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 Dulles Intl to Cardiff flights in June & July 2024

Find cheap flight options from Dulles Intl to Cardiff specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 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.
Tue 7/165:50 pmIAD - CWL
1 stop10h 25mKLM
Tue 7/239:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 6/4$990
Tue 7/1612:26 pmIAD - CWL
2 stops15h 49mKLM
Tue 7/239:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 6/4$994
Thu 7/188:40 pmIAD - CWL
1 stop19h 50mMultiple Airlines
Sun 7/213:00 pmCWL - IAD
2 stops49h 37mMultiple Airlines
Deal found 6/5$1,086
Tue 7/1612:26 pmIAD - CWL
2 stops15h 49mDelta
Tue 7/239:45 amCWL - IAD
2 stops18h 21mDelta
Deal found 6/4$1,165
Fri 7/55:25 pmIAD - CWL
1 stop10h 50mDelta
Fri 7/129:45 amCWL - IAD
2 stops18h 21mDelta
Deal found 6/5$1,190
Fri 7/51:08 pmIAD - CWL
2 stops15h 07mDelta
Fri 7/129:45 amCWL - IAD
2 stops18h 21mDelta
Deal found 6/5$1,195
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Tue 6/189:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 6/5$1,220
Fri 7/55:25 pmIAD - CWL
1 stop18h 20mKLM
Fri 7/129:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$1,230
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Thu 6/209:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$1,370

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 3,050,429 searches. Data last updated June 6, 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.
Thu 9/195:25 pmIAD - CWL
1 stop10h 50mDelta
Mon 9/239:45 amCWL - IAD
1 stop10h 50mDelta
Deal found 6/5$741
Tue 11/125:35 pmIAD - CWL
1 stop11h 10mDelta
Thu 12/126:00 amCWL - IAD
1 stop14h 45mDelta
Deal found 6/6$742
Sun 9/15:25 pmIAD - CWL
1 stop10h 50mKLM
Mon 9/99:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$746
Tue 11/1212:30 pmIAD - CWL
2 stops16h 15mDelta
Thu 12/126:00 amCWL - IAD
1 stop14h 45mDelta
Deal found 6/6$747
Sun 9/15:25 pmIAD - CWL
1 stop10h 50mDelta
Mon 9/99:45 amCWL - IAD
2 stops18h 19mDelta
Deal found 6/5$756
Sun 9/111:04 amIAD - CWL
2 stops24h 41mAir France
Mon 9/99:45 amCWL - IAD
2 stops42h 55mAir France
Deal found 6/5$807
Wed 8/145:50 pmIAD - CWL
1 stop10h 25mDelta
Tue 8/209:45 amCWL - IAD
1 stop11h 15mDelta
Deal found 6/6$826
Thu 9/194:30 pmIAD - CWL
2 stops43h 15mITA Airways
Mon 9/239:45 amCWL - IAD
2 stops33h 55mITA Airways
Deal found 6/5$892
Tue 9/245:50 pmIAD - CWL
1 stop17h 55mKLM
Fri 9/279:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$940

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 3,050,429 searches. Data last updated June 6, 2024.
Book one of these great deals on flights from Washington, D.C. to Cardiff. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Tue 6/189:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 6/5$1,220
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Thu 6/209:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$1,370
Wed 6/1211:15 pmIAD - CWL
2 stops41h 15mMultiple Airlines
Mon 6/172:55 pmCWL - IAD
1 stop29h 45mMultiple Airlines
Deal found 6/5$1,397
Sat 6/152:50 pmIAD - CWL
2 stops18h 45mMultiple Airlines
Mon 6/172:55 pmCWL - IAD
1 stop29h 45mMultiple Airlines
Deal found 6/5$1,410
Fri 6/146:55 pmIAD - CWL
2 stops38h 40mMultiple Airlines
Mon 6/172:55 pmCWL - IAD
1 stop29h 45mMultiple Airlines
Deal found 6/5$1,421
Fri 6/145:25 pmIAD - CWL
1 stop10h 50mKLM
Tue 6/189:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 6/5$1,445
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Tue 6/189:45 amCWL - IAD
2 stops14h 25mKLM
Deal found 6/5$1,468
Fri 6/145:25 pmIAD - CWL
1 stop10h 50mKLM
Thu 6/209:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 6/5$1,595
Thu 6/135:25 pmIAD - CWL
1 stop10h 50mKLM
Thu 6/209:45 amCWL - IAD
2 stops14h 25mKLM
Deal found 6/5$1,618

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$741 - $1,337

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 9/19

1 stop10h 50m

Cardiff Wales

Mon 9/23

1 stop10h 50m

$741

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 11/12

1 stop11h 10m

Cardiff Wales

Thu 12/12

1 stop14h 45m

$742

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 9/1

1 stop10h 50m

Cardiff Wales

Mon 9/9

1 stop10h 50m

$746

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 11/12

2 stops16h 15m

Cardiff Wales

Thu 12/12

1 stop14h 45m

$747

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 9/1

1 stop10h 50m

Cardiff Wales

Mon 9/9

2 stops18h 19m

$756

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 9/1

2 stops24h 41m

Cardiff Wales

Mon 9/9

2 stops42h 55m

$807

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 9/19

2 stops43h 15m

Cardiff Wales

Mon 9/23

2 stops33h 55m

$892

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 7/18

1 stop19h 50m

Cardiff Wales

Sun 7/21

2 stops49h 37m

$1,086

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 8/20

2 stops31h 45m

Cardiff Wales

Fri 8/23

2 stops13h 30m

$1,337

Flights are sorted by cheapest first

Deals found on 6/5

What is the cheapest day 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 June 2, 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.
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Best time to book a flight from Dulles Intl to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Dulles Intl with our price prediction graph.
Estimated round-trip 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.

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

If weather is an important factor for your trip to Cardiff, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 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 June 6, 2024.
Peruse reviews from past customers who have flown with British Airways, KLM and ITA 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.
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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
1,489 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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
7.5
Good
1,720 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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.

Aer Lingus
7.2
Good
1,287 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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
749 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

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 $741, but on average you can expect to pay $930.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Cardiff for under $1,300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Cardiff within the next 7 days for less than $1,300.

  • 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 $741 on this airline. Additional options worth looking into are KLM and Air France, starting at $746 and $807 round-trip.

  • 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 6/6.

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

    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 $1,574). 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.

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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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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$656Average$799FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$726Average$910FlexibilityNo cancel feeOn-time75%
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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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