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Cardiff

$774+ Cheap flights from District of Columbia 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
nov. 16 — nov. 231
dom. 11/16
dom. 11/23
1 adult, Economy
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Find flight deals from District of Columbia to Cardiff

Cheapest flights from District of Columbia to Cardiff
Explore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 17, 2025.

This Air France deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:05 pmIAD - CWL
1 stop10h 45mKLM
lun. 12/85:15 pmCWL - IAD
1 stop27h 50mKLM
Deal found 10/15$774
This Virgin Atlantic deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:05 pmIAD - CWL
1 stop17h 50mVirgin Atlantic
lun. 12/810:20 amCWL - IAD
2 stops13h 59mVirgin Atlantic
Deal found 10/15$784
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:05 pmIAD - CWL
1 stop17h 50mDelta
dom. 11/1610:20 amCWL - IAD
2 stops13h 48mDelta
Deal found 10/14$785
This Virgin Atlantic deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:13 amDCA - CWL
2 stops17h 37mVirgin Atlantic
dom. 12/710:20 amCWL - DCA
2 stops18h 38mVirgin Atlantic
Deal found 10/15$789
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:11 pmIAD - CWL
2 stops16h 39mDelta
lun. 12/810:20 amCWL - IAD
2 stops18h 53mDelta
Deal found 10/15$789
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:05 pmIAD - CWL
1 stop10h 45mKLM
dom. 11/165:30 pmCWL - IAD
1 stop27h 35mKLM
Deal found 10/15$826
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/307:05 pmIAD - CWL
1 stop10h 45mKLM
jue. 11/135:25 pmCWL - IAD
1 stop27h 40mKLM
Deal found 10/15$889
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/307:05 pmIAD - CWL
1 stop17h 40mDelta
jue. 11/1310:20 amCWL - IAD
2 stops18h 56mDelta
Deal found 10/16$898
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/195:25 pmIAD - CWL
1 stop10h 50mKLM
mar. 10/219:50 amCWL - IAD
1 stop10h 45mKLM
Deal found 10/15$1,107
This KLM deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/191:15 pmDCA - CWL
2 stops15h 00mKLM
mar. 10/219:50 amCWL - DCA
2 stops17h 17mKLM
Deal found 10/15$1,122

Cheap flight deals from District of Columbia to Cardiff

Keep the following information in mind while searching for District of Columbia to Cardiff flight deals. Data was last updated octubre 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$774
(Air France)
Provider with most accurate pricing for Washington, D.C. (WAS)-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cardiff Wales flights.
Search Deals
From District of Columbia to Cardiff Wales
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 2,558,603 searches. Data last updated octubre 17, 2025.
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.

Fly from

District of Columbia

Fly to

Cardiff

Route

Depart

Return

Price

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 11/19

6:05 pm-9:50 am

1 stop10h 45m

Cardiff Wales

lun. 12/8

5:15 pm-4:05 pm

1 stop27h 50m

$774

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

sáb. 2/28

6:05 pm-9:50 am

1 stop10h 45m

Cardiff Wales

dom. 3/8

5:30 pm-5:05 pm

1 stop27h 35m

$782

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 11/19

6:05 pm-4:55 pm

1 stop17h 50m

Cardiff Wales

lun. 12/8

10:20 am-7:19 pm

2 stops13h 59m

$784

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 11/12

6:05 pm-4:55 pm

1 stop17h 50m

Cardiff Wales

dom. 11/16

10:20 am-7:08 pm

2 stops13h 48m

$785

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

mié. 11/19

12:39 pm-9:50 am

2 stops16h 11m

Cardiff Wales

lun. 12/8

10:20 am-11:58 pm

2 stops18h 38m

$789

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

mié. 12/3

11:13 am-9:50 am

2 stops17h 37m

Cardiff Wales

dom. 12/7

10:20 am-11:58 pm

2 stops18h 38m

$789

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

sáb. 2/28

11:00 am-9:50 am

2 stops17h 50m

Cardiff Wales

dom. 3/8

10:20 am-11:08 pm

2 stops16h 48m

$797

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mié. 11/12

6:05 pm-9:50 am

1 stop10h 45m

Cardiff Wales

dom. 11/16

5:30 pm-4:05 pm

1 stop27h 35m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Best time to book a flight from District of Columbia to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Cardiff

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

Find hourly flight availability from District of Columbia 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 octubre 17, 2025.

A simple way to save on the total cost of your ticket is to fly from District of Columbia to Cardiff at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from District of Columbia to Cardiff.

  • How long is the flight from District of Columbia to Cardiff?

    KLM, Virgin Atlantic, and Delta can get you from District of Columbia to Cardiff in just under 10h 45m. Your travel time can differ by up to 7h 05m. There are 3548 mi between District of Columbia and Cardiff. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from District of Columbia to Cardiff that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Cardiff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Cardiff?

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

  • Can I find deals for business class flights from District of Columbia to Cardiff?

    Yes. Cheapflights offers flight deals from District of Columbia 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.

See more FAQs

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Top airline flying from District of Columbia to Cardiff

Discover the top airline that operate flights from District of Columbia 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 2,558,603 searches. Data last updated octubre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$765Average$797FlexibilityNo cancel feeOn-time75%

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