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Cardiff

$714+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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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 agosto 14, 2025.

Round-trip from

$714
(Kiwi.com)
From District of Columbia to Cardiff Wales
Search Deals

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 agosto 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/288:25 pmIAD - CWL
1 stop11h 20mMultiple Airlines
dom. 10/511:00 amCWL - IAD
1 stop12h 55mMultiple Airlines
Deal found 8/14$714
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/145:20 pmIAD - CWL
1 stop14h 25mMultiple Airlines
dom. 9/2111:00 amCWL - IAD
1 stop12h 55mMultiple Airlines
Deal found 8/14$817
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:20 pmIAD - CWL
1 stop12h 15mMultiple Airlines
sáb. 10/49:00 amCWL - IAD
2 stops16h 20mMultiple Airlines
Deal found 8/13$852
This KLM deal was found by Cheapflights users on 8/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/135:25 pmIAD - CWL
1 stop10h 50mKLM
mié. 10/229:50 amCWL - IAD
1 stop10h 45mKLM
Deal found 8/14$936
This KLM deal was found by Cheapflights users on 8/13. 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. 8/142:55 pmDCA - CWL
2 stops13h 20mKLM
mié. 8/279:50 amCWL - DCA
2 stops14h 09mKLM
Deal found 8/13$942
This KLM deal was found by Cheapflights users on 8/13. 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. 8/145:25 pmIAD - CWL
1 stop10h 50mKLM
mié. 8/279:50 amCWL - IAD
2 stops14h 53mKLM
Deal found 8/13$942
This Delta deal was found by Cheapflights users on 8/14. 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.
vie. 8/155:25 pmIAD - CWL
1 stop10h 50mDelta
jue. 8/289:50 amCWL - IAD
2 stops14h 53mDelta
Deal found 8/14$946
This Delta deal was found by Cheapflights users on 8/13. 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. 12/311:00 amDCA - CWL
2 stops17h 50mDelta
dom. 12/710:20 amCWL - DCA
2 stops17h 44mDelta
Deal found 8/13$950
This Virgin Atlantic deal was found by Cheapflights users on 8/13. 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. 11/1211:00 amIAD - CWL
2 stops17h 50mVirgin Atlantic
dom. 11/165:30 pmCWL - IAD
2 stops28h 01mVirgin Atlantic
Deal found 8/13$950
This Delta deal was found by Cheapflights users on 8/14. 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.
vie. 8/157:38 pmDCA - CWL
2 stops16h 27mDelta
jue. 8/289:50 amCWL - DCA
2 stops17h 11mDelta
Deal found 8/14$951
This KLM deal was found by Cheapflights users on 8/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/91:00 pmIAD - CWL
2 stops15h 15mKLM
lun. 9/159:50 amCWL - IAD
2 stops14h 47mKLM
Deal found 8/14$951
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/286:59 amDCA - CWL
3 stops24h 46mMultiple Airlines
dom. 10/511:00 amCWL - DCA
3 stops37h 44mMultiple Airlines
Deal found 8/14$1,106

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 agosto 14, 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

dom. 9/28

8:25 pm-12:45 pm

1 stop11h 20m

Cardiff Wales

dom. 10/5

11:00 am-6:55 pm

1 stop12h 55m

$714

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 9/26

5:00 pm-4:20 pm

2 stops18h 20m

Cardiff Wales

vie. 10/3

8:55 pm-3:20 pm

2 stops23h 25m

$812

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

dom. 9/14

5:20 pm-12:45 pm

1 stop14h 25m

Cardiff Wales

dom. 9/21

11:00 am-6:55 pm

1 stop12h 55m

$817

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

sáb. 9/27

5:20 pm-10:35 am

1 stop12h 15m

Cardiff Wales

sáb. 10/4

9:00 am-8:20 pm

2 stops16h 20m

$852

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

vie. 9/26

5:25 pm-9:10 am

1 stop10h 45m

Cardiff Wales

vie. 10/3

9:50 am-3:35 pm

1 stop10h 45m

$908

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

dom. 8/24

5:25 pm-4:45 pm

1 stop18h 20m

Cardiff Wales

dom. 9/7

9:50 am-3:35 pm

1 stop10h 45m

$935

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

mar. 9/23

5:25 pm-4:45 pm

1 stop18h 20m

Cardiff Wales

jue. 10/9

9:50 am-3:35 pm

1 stop10h 45m

$936

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

vie. 9/12

1:20 pm-9:10 am

2 stops14h 50m

Cardiff Wales

vie. 9/19

9:50 am-11:41 pm

2 stops18h 51m

$950

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

mié. 12/3

11:00 am-9:50 am

2 stops17h 50m

Cardiff Wales

dom. 12/7

10:20 am-11:04 pm

2 stops17h 44m

$950

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

mié. 12/3

1:30 pm-4:55 pm

2 stops22h 25m

Cardiff Wales

dom. 12/7

10:20 am-11:29 pm

2 stops18h 09m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 17 results
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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 agosto 14, 2025.

When flying from District of Columbia 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.

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.

  • 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.

  • What is the cheapest month to book a flight from District of Columbia to Cardiff?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Cardiff (average of $773). Flying from District of Columbia 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.

See more FAQs

Traveling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry

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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$765Average$791FlexibilityNo cancel feeOn-time75%

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