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Cheap flights from Cardiff to Washington, D.C. Dulles Intl Airport from £731

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. 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.
CWL — IAD
24 Apr — 1 May1
1 adult
Wed 24/4
Wed 1/5

Cheap flight deals from Cardiff to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Dulles Intl (IAD). 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 19 April 2024.

Round-trip from

£451
From Cardiff Wales to Washington, D.C. Dulles Intl
Search Deals

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

Users have found that flying from Cardiff to Washington, D.C. Dulles Intl Airport on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

When is the cheapest time to fly from Cardiff to Washington, D.C. Dulles Intl Airport (CWL - IAD)?

When flying from Cardiff to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Cardiff to Dulles Intl flights in April & May 2024

Find cheap flight options from Cardiff to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Prices were last updated on 19 April 2024.
Thu 30/509:45CWL - IAD
1 stop10h 50mAir France
Thu 6/617:25IAD - CWL
1 stop18h 20mAir France
Deal found 18/4£815
Thu 30/509:45CWL - IAD
2 stops18h 07mMultiple Airlines
Thu 6/617:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£863
Thu 30/509:45CWL - IAD
2 stops19h 10mMultiple Airlines
Thu 6/612:35IAD - CWL
2 stops23h 10mMultiple Airlines
Deal found 18/4£909
Wed 1/517:15CWL - IAD
3 stops29h 25mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£1,095
Wed 1/512:00CWL - IAD
3 stops32h 40mAer Lingus
Fri 3/520:40IAD - CWL
3 stops33h 50mAer Lingus
Deal found 18/4£1,100
Wed 1/516:50CWL - IAD
2 stops27h 50mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£1,215
Wed 1/517:15CWL - IAD
3 stops29h 25mMultiple Airlines
Fri 3/518:25IAD - CWL
2 stops17h 20mMultiple Airlines
Deal found 18/4£1,234
Wed 1/517:15CWL - IAD
1 stop27h 20mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£2,041

Cardiff to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Cardiff and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Data last updated 19 April 2024.
Wed 27/1110:15CWL - IAD
2 stops17h 28mAir France
Sun 1/1216:55IAD - CWL
2 stops47h 45mAir France
Deal found 17/4£731
Wed 27/1110:15CWL - IAD
2 stops17h 28mAir France
Sun 1/1216:55IAD - CWL
2 stops47h 45mAir France
Deal found 18/4£732
Wed 27/1106:00CWL - IAD
1 stop14h 45mDelta
Sun 1/1219:50IAD - CWL
2 stops56h 55mDelta
Deal found 17/4£743
Wed 27/1110:15CWL - IAD
2 stops17h 28mAir France
Sun 1/1217:40IAD - CWL
1 stop23h 00mAir France
Deal found 18/4£762
Wed 27/1106:00CWL - IAD
1 stop14h 45mDelta
Sun 1/1217:40IAD - CWL
1 stop11h 05mDelta
Deal found 17/4£768
Wed 27/1106:00CWL - IAD
1 stop14h 45mDelta
Sun 1/1217:40IAD - CWL
1 stop11h 05mDelta
Deal found 18/4£793
Thu 30/509:45CWL - IAD
1 stop10h 50mAir France
Thu 6/617:25IAD - CWL
1 stop18h 20mAir France
Deal found 18/4£815
Thu 30/509:45CWL - IAD
2 stops18h 07mMultiple Airlines
Thu 6/617:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£863
Thu 30/509:45CWL - IAD
2 stops19h 10mMultiple Airlines
Thu 6/612:35IAD - CWL
2 stops23h 10mMultiple Airlines
Deal found 18/4£909

Cardiff to Dulles Intl flights leaving soon

Find last-minute flight options from Cardiff to Dulles Intl 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 899,432 searches. Data last updated 19 April 2024.
Wed 1/517:15CWL - IAD
3 stops29h 25mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£1,095
Wed 1/512:00CWL - IAD
3 stops32h 40mAer Lingus
Fri 3/520:40IAD - CWL
3 stops33h 50mAer Lingus
Deal found 18/4£1,100
Wed 1/516:50CWL - IAD
2 stops27h 50mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£1,215
Wed 1/517:15CWL - IAD
3 stops29h 25mMultiple Airlines
Fri 3/518:25IAD - CWL
2 stops17h 20mMultiple Airlines
Deal found 18/4£1,234
Wed 1/517:15CWL - IAD
1 stop27h 20mMultiple Airlines
Fri 3/517:25IAD - CWL
1 stop18h 20mMultiple Airlines
Deal found 18/4£2,041

Find flights from Cardiff to Dulles Intl within your budget

Customise your flight search to find flights from Cardiff to Dulles Intl 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 899,432 searches. Data last updated 19 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£815 - £2,041

Route

Depart

Return

Price

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Thu 30/5

1 stop10h 50m

Washington, D.C. Dulles Intl

Thu 6/6

1 stop18h 20m

£815

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Thu 30/5

2 stops18h 07m

Washington, D.C. Dulles Intl

Thu 6/6

1 stop18h 20m

£863

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Thu 30/5

2 stops19h 10m

Washington, D.C. Dulles Intl

Thu 6/6

2 stops23h 10m

£909

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Wed 1/5

3 stops29h 25m

Washington, D.C. Dulles Intl

Fri 3/5

1 stop18h 20m

£1,095

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Wed 1/5

3 stops32h 40m

Washington, D.C. Dulles Intl

Fri 3/5

3 stops33h 50m

£1,100

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Wed 1/5

2 stops27h 50m

Washington, D.C. Dulles Intl

Fri 3/5

1 stop18h 20m

£1,215

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Wed 1/5

3 stops29h 25m

Washington, D.C. Dulles Intl

Fri 3/5

2 stops17h 20m

£1,234

Cardiff WalesWashington, D.C. Dulles Intl

CWL - IAD

CWLIAD

Cardiff Wales

Wed 1/5

1 stop27h 20m

Washington, D.C. Dulles Intl

Fri 3/5

1 stop18h 20m

£2,041

Flights are sorted by cheapest first

Deals found on 18/4

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

Use this chart to determine the cheapest time to fly return from Cardiff to Dulles Intl. Price data was last updated on 14 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Cardiff to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Dulles Intl by month

Plan your trip from Cardiff to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Cardiff to Dulles Intl is currently £0 while a return flight costs £1,159. Price data was last updated on 14 April 2024.

Currently, January is the cheapest month in which you can book a flight from Cardiff to Washington, D.C. Dulles Intl Airport (average of £598). Flying from Cardiff to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £844). 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

£480

February

£499

March

£560

April

£546

May

£591

June

£672

July

£678

August

£606

September

£561

October

£519

November

£483

December

£497

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 19 April 2024.
Air France
7.6
Good
1,821 reviews
Check prices

Overall

7.6

Entertainment

7.1

Comfort

7.4

Crew

8.2

Food

7.2

Boarding

7.5

Reviews

1 / 10

Overall, it was a pleasant experience. The flight was very comfortable.

Air France
7.6
Good
1,821 reviews
Air France
7.6
Good
1,821 reviews
Check prices

Overall

7.6

Entertainment

7.1

Comfort

7.4

Crew

8.2

Food

7.2

Boarding

7.5

Reviews

1 / 10

Overall, it was a pleasant experience. The flight was very comfortable.

Aer Lingus
7.2
Good
1,355 reviews
Air France
7.6
Good
1,821 reviews
Check prices

Overall

7.6

Entertainment

7.1

Comfort

7.4

Crew

8.2

Food

7.2

Boarding

7.5

Reviews

1 / 10

Overall, it was a pleasant experience. The flight was very comfortable.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Dulles Intl. 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 from for flights from Cardiff to Washington, D.C. Dulles Intl?

    For a flight from Cardiff to Washington, D.C. Dulles Intl, you will be flying from 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 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Cardiff Wales on a regular basis.

  • Can I find flights from Cardiff to Washington, D.C. Dulles Intl Airport for under £900 on Cheapflights?

    Yes, there are multiple flights from Cardiff to Washington, D.C. Dulles Intl Airport for under £900. The cheapest flight booked recently is on Air France for just £815, but on average you can expect to pay £1,158.

  • Are there last-minute flights available from Cardiff to Washington, D.C. Dulles Intl Airport for under £1,100?

    There are currently 5+ open flights from Cardiff to Washington, D.C. Dulles Intl Airport within the next 7 days for less than £1,100.

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

    Currently priced at £815, Air France will fly you from Cardiff to Washington, D.C. Dulles Intl Airport and back. In addition to Air France, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Aer Lingus for as low as £1,100.

  • What does CWL to IAD mean?

    CWL and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. CWL to IAD refers to a flight route from Cardiff Wales Airport to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Cardiff to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Cardiff to Dulles Intl 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 Cardiff to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cardiff to Dulles Intl 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 Cardiff to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Cardiff to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Dulles Intl.

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

    Yes. Cheapflights offers flight deals from Cardiff to Dulles Intl 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 Cardiff to Dulles Intl that allow pets onboard?

    Many airlines flying from Cardiff to Dulles Intl 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 Cardiff to Dulles Intl?

    Yes, you can often find last-minute deals on Cardiff to Dulles Intl 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 Cardiff to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Cardiff to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 18/4.

See more FAQs

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Search flights from Cardiff to Dulles Intl by cabin class

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

When you search for this flight from Cardiff to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Dulles Intl from Cardiff 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 Cardiff to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Cardiff to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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