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 Virgin Atlantic. Our recent data shows that you can find tickets from as low as $775 on this airline. Additional options worth looking into are KLM and Delta, starting at $799 and $810 round-trip.

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

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.

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 November, with the cheapest ticket starting at $735.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Cardiff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cardiff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cardiff flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Cardiff flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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.

$775+ Flights from Washington, D.C. Dulles Intl Airport to Cardiff

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Cheap flight deals from Dulles Intl to Cardiff

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$775 (oojo)

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cardiff Wales flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cardiff Wales flights.

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From Washington, D.C. Dulles Intl to Cardiff Wales

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Find flight deals from Dulles Intl to Cardiff

Cheapest flights from Dulles Intl to Cardiff
Explore the most affordable flight options available from Dulles Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.

Mon 12/235:35 pmIAD - CWL

1 stop11h 15mKLM

Mon 12/305:25 pmCWL - IAD

1 stop27h 20mKLM

Deal found 12/19

$1,979

Mon 12/235:35 pmIAD - CWL

1 stop18h 20mDelta

Mon 12/3010:20 amCWL - IAD

2 stops19h 18mDelta

Deal found 12/19

$2,065

Best flights from Dulles Intl to Cardiff
Discover carefully curated flight deals from Dulles Intl to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 20, 2024.

Sat 2/15:35 pmIAD - CWL

1 stop11h 15mVirgin Atlantic

Sat 2/85:25 pmCWL - IAD

1 stop27h 20mVirgin Atlantic

Deal found 12/18

$775

Thu 1/95:35 pmIAD - CWL

1 stop11h 20mKLM

Thu 1/235:25 pmCWL - IAD

1 stop27h 20mKLM

Deal found 12/18

$799

Wed 1/155:35 pmIAD - CWL

1 stop11h 15mDelta

Wed 1/2210:20 amCWL - IAD

2 stops17h 56mDelta

Deal found 12/18

$810

Thu 1/96:05 amIAD - CWL

2 stops22h 50mMultiple Airlines

Thu 1/2310:20 amCWL - IAD

2 stops19h 02mMultiple Airlines

Deal found 12/18

$831

Sat 1/186:00 pmIAD - CWL

2 stops36h 30mAer Lingus

Sat 1/2512:00 pmCWL - IAD

2 stops36h 45mAer Lingus

Deal found 12/19

$997

Sun 4/209:20 pmIAD - CWL

2 stops14h 25mAir France

Mon 4/289:45 amCWL - IAD

2 stops14h 25mAir France

Deal found 12/18

$1,058

Wed 1/296:00 pmIAD - CWL

2 stops13h 25mBritish Airways

Sun 2/212:55 pmCWL - IAD

2 stops31h 40mBritish Airways

Deal found 12/18

$1,079

Last-minute flights from Dulles Intl to Cardiff
Discover last-minute flight deals from Dulles Intl to Cardiff. Data last updated December 20, 2024 and is based on user searches.

Sat 1/185:35 pmIAD - CWL

1 stop11h 15mVirgin Atlantic

Sat 1/255:25 pmCWL - IAD

1 stop27h 20mVirgin Atlantic

Deal found 12/19

$800

Sat 1/186:00 pmIAD - CWL

2 stops36h 30mAer Lingus

Sat 1/2512:00 pmCWL - IAD

2 stops36h 45mAer Lingus

Deal found 12/19

$997

Sun 1/265:10 pmIAD - CWL

1 stop14h 40mMultiple Airlines

Sun 2/28:20 amCWL - IAD

1 stop12h 20mMultiple Airlines

Deal found 12/18

$935

Tue 1/285:35 pmIAD - CWL

1 stop11h 15mKLM

Sun 2/25:25 pmCWL - IAD

1 stop27h 20mKLM

Deal found 12/18

$799

Tue 1/285:35 pmIAD - CWL

1 stop11h 15mDelta

Tue 2/410:25 amCWL - IAD

2 stops27h 43mDelta

Deal found 12/18

$810

Wed 1/296:00 pmIAD - CWL

2 stops13h 25mBritish Airways

Sun 2/212:55 pmCWL - IAD

2 stops31h 40mBritish Airways

Deal found 12/18

$1,079

One-way flights from Dulles Intl to Cardiff
Search for one-way flight options from Dulles Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated December 20, 2024.

Sun 1/59:55 pmIAD - CWL

2 stops32h 35mBritish Airways

Deal found 12/19

$1,102

Find flights from Dulles Intl to Cardiff within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 1/28

5:35 pm-9:50 am

1 stop11h 15m

Cardiff Wales

Sun 2/2

5:25 pm-3:45 pm

1 stop27h 20m

$799

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 1/18

5:35 pm-9:50 am

1 stop11h 15m

Cardiff Wales

Sat 1/25

5:25 pm-3:45 pm

1 stop27h 20m

$800

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 1/28

5:35 pm-9:50 am

1 stop11h 15m

Cardiff Wales

Tue 2/4

10:25 am-9:08 am

2 stops27h 43m

$810

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 4/5

5:25 pm-4:45 pm

1 stop18h 20m

Cardiff Wales

Sat 4/12

5:35 pm-11:33 pm

2 stops34h 58m

$877

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/26

5:10 pm-12:50 pm

1 stop14h 40m

Cardiff Wales

Sun 2/2

8:20 am-3:40 pm

1 stop12h 20m

$935

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 1/18

6:00 pm-11:30 am

2 stops36h 30m

Cardiff Wales

Sat 1/25

12:00 pm-7:45 pm

2 stops36h 45m

$997

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sat 4/5

5:50 pm-12:25 pm

2 stops13h 35m

Cardiff Wales

Sat 4/12

1:10 pm-3:50 pm

2 stops31h 40m

$1,027

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 1/5

9:55 pm-11:30 am

2 stops32h 35m

$1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cardiff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cardiff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cardiff flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cardiff flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Dulles Intl to Cardiff

Get recent, data-driven insights about flights from Dulles Intl to Cardiff including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of $773). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in June is currently the most expensive (average of $1,622). 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.

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.

Rainfall in Cardiff by month

In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.

Temperature in Cardiff by month

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

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,601 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.5

Good

668 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,502 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.1

Good

1,076 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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.
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 Virgin Atlantic. Our recent data shows that you can find tickets from as low as $775 on this airline. Additional options worth looking into are KLM and Delta, starting at $799 and $810 round-trip.
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.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cardiff?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cardiff (average of $773). Flying from Washington, D.C. Dulles Intl Airport to Cardiff in June is currently the most expensive (average of $1,622). 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.

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Alternative routes for Dulles Intl to Cardiff

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Dulles Intl to Bristol flights

Baltimore to Cardiff flights

Reagan-National to Cardiff flights

Top 2 airlines flying from Dulles Intl to Cardiff

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$713	Average$790	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$751	Average$939	FlexibilityNo cancel fee	On-timeN/A

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$775+ Cheap flights from Dulles Intl (IAD) to Cardiff (CWL)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Cardiff with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Cardiff

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Round-trip from

Find flight deals from Dulles Intl to Cardiff

Cheapest flights from Dulles Intl to CardiffExplore the most affordable flight options available from Dulles Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.

Explore the most affordable flight options available from Dulles Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.

Find flights from Dulles Intl to Cardiff within your budget

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.

Travel insights for flights from Dulles Intl to Cardiff

Get recent, data-driven insights about flights from Dulles Intl to Cardiff including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from IAD to CWL?

Find hourly flight availability from Dulles Intl to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 20, 2024.

Rainfall in Cardiff by month

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

Temperature in Cardiff by month

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

Reviews of airlines servicing Cardiff

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?

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

Can I find deals for flights from Dulles Intl to Cardiff that include hotel bookings?

How can I find direct flights from Dulles Intl to Cardiff?

Can I find deals for business class flights from Dulles Intl to Cardiff?

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

Browse thousands of different options on Cheapflights for your next trip

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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

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Cheapest flights from Dulles Intl to Cardiff
Explore the most affordable flight options available from Dulles Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.