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District of Columbia

$712+ Cheap flights from Cardiff (CWL) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Cardiff to District of Columbia

Keep the following information in mind while searching for Cardiff to District of Columbia flight deals. Data was last updated October 16, 2025.

Round-trip from

$989
(lastminute.com)

One-way from

$712
(Kiwi.com)
From Cardiff Wales to District of Columbia
Search Deals
One-way flight from Cardiff Wales to District of Columbia
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Find flight deals from Cardiff to District of Columbia

Cheapest flights from Cardiff to District of Columbia
Explore the most affordable flight options available from Cardiff to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:15 pmCWL - IAD
1 stop27h 50mVirgin Atlantic
Sun 11/236:05 pmIAD - CWL
1 stop17h 40mVirgin Atlantic
Deal found 10/16$989
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:20 amCWL - IAD
2 stops18h 56mMultiple Airlines
Sun 11/237:49 pmIAD - CWL
2 stops33h 01mMultiple Airlines
Deal found 10/16$993
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.
Fri 11/2810:20 amCWL - IAD
2 stops13h 48mDelta
Fri 12/512:19 pmIAD - CWL
2 stops16h 31mDelta
Deal found 10/14$1,036
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:15 pmCWL - DCA
2 stops28h 20mKLM
Sun 11/235:03 pmDCA - CWL
2 stops18h 42mKLM
Deal found 10/16$1,046
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:15 pmCWL - IAD
1 stop27h 50mVirgin Atlantic
Fri 12/56:05 pmIAD - CWL
1 stop10h 45mVirgin Atlantic
Deal found 10/14$1,096
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:20 amCWL - DCA
2 stops16h 39mMultiple Airlines
Sun 11/27:35 pmDCA - CWL
2 stops33h 15mMultiple Airlines
Deal found 10/16$1,184
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:00 pmCWL - IAD
2 stops36h 55mBritish Airways
Mon 11/249:45 pmIAD - CWL
2 stops32h 45mBritish Airways
Deal found 10/15$1,197
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:25 pmCWL - IAD
2 stops23h 02mMultiple Airlines
Fri 12/56:50 pmIAD - CWL
3 stops19h 50mMultiple Airlines
Deal found 10/14$1,233
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:20 amCWL - DCA
2 stops35h 40mMultiple Airlines
Sat 11/16:20 pmDCA - CWL
2 stops35h 30mMultiple Airlines
Deal found 10/15$1,408

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to District of Columbia 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 October 16, 2025.
Use the filters below to find and compare flights from Cardiff to District of Columbia that are best for you.

Fly from

Cardiff

Fly to

District of Columbia

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 11/17

10:20 am-12:16 am

2 stops18h 56m

Washington, D.C. Dulles Intl

Sun 11/23

6:05 pm-4:45 pm

1 stop17h 40m

$989

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 11/17

10:20 am-12:16 am

2 stops18h 56m

Washington, D.C. Dulles Intl

Sun 11/23

7:49 pm-9:50 am

2 stops33h 01m

$993

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 11/28

10:20 am-7:08 pm

2 stops13h 48m

Washington, D.C. Dulles Intl

Fri 12/5

6:05 pm-9:50 am

1 stop10h 45m

$1,036

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 11/28

10:20 am-7:08 pm

2 stops13h 48m

Washington, D.C. Dulles Intl

Fri 12/5

12:19 pm-9:50 am

2 stops16h 31m

$1,036

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 2/19

10:20 am-9:13 pm

2 stops39h 53m

Washington, D.C. Dulles Intl

Mon 2/23

6:05 pm-9:50 am

1 stop10h 45m

$1,042

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 2/19

10:20 am-11:08 pm

2 stops17h 48m

Washington, D.C. Reagan-National

Mon 2/23

1:45 pm-4:55 pm

2 stops22h 10m

$1,042

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 2/19

10:20 am-12:07 am

2 stops18h 47m

Washington, D.C. Dulles Intl

Mon 2/23

7:50 pm-9:50 am

2 stops33h 00m

$1,044

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 11/17

5:15 pm-4:35 pm

2 stops28h 20m

Washington, D.C. Reagan-National

Sun 11/23

5:03 pm-4:45 pm

2 stops18h 42m

$1,046

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Fri 11/28

5:15 pm-4:05 pm

1 stop27h 50m

Washington, D.C. Dulles Intl

Fri 12/5

6:05 pm-9:50 am

1 stop10h 45m

$1,096

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 10/30

10:20 am-10:59 pm

2 stops16h 39m

Washington, D.C. Reagan-National

Sun 11/2

7:35 pm-9:50 am

2 stops33h 15m

$1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 14 results
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Best time to book a flight from Cardiff to District of Columbia

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

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

Currently, February is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of $706). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of $1,078). 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.

Related info for your journey

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

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

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

    There are many flights that can get you from Cardiff to District of Columbia in 13h 48m. Fly via Virgin Atlantic, KLM, or Delta to get the fastest option. The distance from Cardiff to District of Columbia is about 3548 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to District of Columbia 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 Cardiff to District of Columbia?

    Currently, February is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of $706). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of $1,078). 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

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