Cheap flights from Dulles Intl (IAD) to Cardiff (CWL) from $756

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Cardiff departing on 3/27. 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
mar. 3 — mar. 101

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 febrero 27, 2024.

Popular in

July

Cheapest in

November

Average price

$792

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 February 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 Friday 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 KLM flights from Dulles Intl to Cardiff

Explore cheap flight options specifically provided by KLM 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 3,397,584 searches. Data last updated febrero 27, 2024.
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 2/26$756
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
2 stops18h 37mKLM
Deal found 2/26$766
mié. 3/275:17 pmIAD - CWL
2 stops12h 28mKLM
mié. 4/39:45 amCWL - IAD
2 stops19h 52mKLM
Deal found 2/26$872
vie. 4/125:25 pmIAD - CWL
1 stop18h 20mKLM
dom. 4/219:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/26$1,069
vie. 4/125:25 pmIAD - CWL
1 stop10h 50mKLM
dom. 4/219:45 amCWL - IAD
2 stops18h 40mKLM
Deal found 2/26$1,079
vie. 3/226:40 pmIAD - CWL
1 stop11h 05mKLM
dom. 3/319:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/26$2,288
vie. 3/226:40 pmIAD - CWL
1 stop11h 05mKLM
dom. 3/319:45 amCWL - IAD
2 stops14h 45mKLM
Deal found 2/26$2,421
vie. 3/2210:25 pmIAD - CWL
2 stops14h 30mKLM
dom. 3/319:45 amCWL - IAD
2 stops14h 45mKLM
Deal found 2/26$2,814

Cheap Dulles Intl to Cardiff flights in February & March 2024

Find cheap flight options from Dulles Intl to Cardiff specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Prices were last updated on febrero 27, 2024.
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 2/26$756
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
2 stops18h 37mKLM
Deal found 2/26$766
mié. 3/275:17 pmIAD - CWL
2 stops12h 28mKLM
mié. 4/39:45 amCWL - IAD
2 stops19h 52mKLM
Deal found 2/26$872
mié. 2/285:40 pmIAD - CWL
1 stop11h 05mDelta
dom. 3/310:15 amCWL - IAD
1 stop11h 00mDelta
Deal found 2/26$1,061
mié. 2/286:05 amIAD - CWL
2 stops22h 40mDelta
dom. 3/310:15 amCWL - IAD
1 stop11h 00mDelta
Deal found 2/26$1,066
mié. 2/284:00 pmIAD - CWL
2 stops12h 45mDelta
dom. 3/310:15 amCWL - IAD
2 stops35h 35mDelta
Deal found 2/26$1,076
jue. 2/296:10 pmIAD - CWL
1 stop10h 35mKLM
sáb. 3/26:00 amCWL - IAD
1 stop14h 45mKLM
Deal found 2/25$1,931
jue. 2/296:10 pmIAD - CWL
1 stop10h 35mKLM
sáb. 3/26:00 amCWL - IAD
2 stops15h 40mKLM
Deal found 2/25$2,129
vie. 3/226:40 pmIAD - CWL
1 stop11h 05mKLM
dom. 3/319:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/26$2,288

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 3,397,584 searches. Data last updated febrero 27, 2024.
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
1 stop11h 15mKLM
Deal found 2/26$756
mié. 3/276:40 pmIAD - CWL
1 stop18h 15mKLM
mié. 4/39:45 amCWL - IAD
2 stops18h 37mKLM
Deal found 2/26$766
mar. 4/231:30 pmIAD - CWL
2 stops22h 15mAir France
mar. 4/305:15 pmCWL - IAD
1 stop27h 45mAir France
Deal found 2/27$770
mar. 4/231:30 pmIAD - CWL
2 stops22h 15mAir France
mar. 4/305:15 pmCWL - IAD
2 stops34h 36mAir France
Deal found 2/27$780
mié. 3/275:17 pmIAD - CWL
2 stops12h 28mKLM
mié. 4/39:45 amCWL - IAD
2 stops19h 52mKLM
Deal found 2/26$872
mié. 2/285:40 pmIAD - CWL
1 stop11h 05mDelta
dom. 3/310:15 amCWL - IAD
1 stop11h 00mDelta
Deal found 2/26$1,061
mié. 2/286:05 amIAD - CWL
2 stops22h 40mDelta
dom. 3/310:15 amCWL - IAD
1 stop11h 00mDelta
Deal found 2/26$1,066
vie. 4/125:25 pmIAD - CWL
1 stop18h 20mKLM
dom. 4/219:45 amCWL - IAD
1 stop10h 50mKLM
Deal found 2/26$1,069
mié. 2/284:00 pmIAD - CWL
2 stops12h 45mDelta
dom. 3/310:15 amCWL - IAD
2 stops35h 35mDelta
Deal found 2/26$1,076

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 3,397,584 searches. Data last updated febrero 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$756 - $2,814

Route

Depart

Return

Price

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 3/27

1 stop18h 15m

Cardiff Wales

mié. 4/3

1 stop11h 15m

$756

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 3/27

1 stop18h 15m

Cardiff Wales

mié. 4/3

2 stops18h 37m

$766

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 3/27

2 stops12h 28m

Cardiff Wales

mié. 4/3

2 stops19h 52m

$872

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 4/12

1 stop18h 20m

Cardiff Wales

dom. 4/21

1 stop10h 50m

$1,069

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 4/12

1 stop10h 50m

Cardiff Wales

dom. 4/21

2 stops18h 40m

$1,079

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 4/12

2 stops14h 25m

Cardiff Wales

dom. 4/21

2 stops30h 45m

$1,117

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 3/22

1 stop11h 05m

Cardiff Wales

dom. 3/31

1 stop10h 50m

$2,288

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 3/22

1 stop11h 05m

Cardiff Wales

dom. 3/31

2 stops14h 45m

$2,421

Washington, D.C. Dulles IntlCardiff Wales

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 3/22

2 stops14h 30m

Cardiff Wales

dom. 3/31

2 stops14h 45m

$2,814

Flights are sorted by cheapest first

Deals found on 2/26

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 February 25, 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 Wednesday afternoons when fares are most often at their lowest. Saturday 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 $1,465. Price data was last updated on February 18, 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 $1,505). 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

$796

April

$819

May

$859

June

$1,505

July

$1,315

August

$1,045

September

$909

October

$820

November

$923

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 febrero 27, 2024.
7.8
Good
1,761 reviews

Entertainment

7.3

Overall

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.8
Good
1,761 reviews
7.8
Good
1,761 reviews

Entertainment

7.3

Overall

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.6
Good
1,965 reviews
7.8
Good
1,761 reviews

Entertainment

7.3

Overall

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 KLM for just $756, but on average you can expect to pay $1,464.

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 KLM. Our recent data shows that you can find tickets from as low as $756 on this airline. An additional option worth looking into is Air France, starting at $1,117. These flights start at 33% 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.

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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 3,397,584 searches. Data last updated febrero 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$656Average$792FlexibilityNo 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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