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District of Columbia

$919+ Cheap flights from Cardiff (CWL) to District of Columbia

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$919
(Trip.com)
From Cardiff Wales to District of Columbia
Search Deals

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 June 30, 2025.

This Trip.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/138:30 pmCWL - IAD
2 stops23h 50mMultiple Airlines
Wed 8/205:50 pmIAD - CWL
2 stops20h 50mMultiple Airlines
Deal found 6/29$919
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/138:30 pmCWL - DCA
2 stops23h 52mMultiple Airlines
Wed 8/203:25 pmDCA - CWL
2 stops23h 15mMultiple Airlines
Deal found 6/29$1,127
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 8/129:50 amCWL - IAD
1 stop10h 45mDelta
Tue 8/195:25 pmIAD - CWL
1 stop10h 50mDelta
Deal found 6/28$1,181
This ChecknFly deal was found by Cheapflights users on 6/29. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:15 pmCWL - IAD
1 stop27h 20mVirgin Atlantic
Wed 8/205:25 pmIAD - CWL
1 stop10h 50mVirgin Atlantic
Deal found 6/29$1,200
This KLM deal was found by Cheapflights users on 6/28. 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.
Sat 6/285:35 pmCWL - IAD
1 stop27h 00mKLM
Sat 7/195:25 pmIAD - CWL
1 stop18h 25mKLM
Deal found 6/28$2,040
This KLM deal was found by Cheapflights users on 6/28. 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.
Sat 6/285:35 pmCWL - DCA
2 stops27h 58mKLM
Sat 7/192:05 pmDCA - CWL
2 stops14h 10mKLM
Deal found 6/28$2,046

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 June 30, 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

Wed 8/13

8:30 pm-3:20 pm

2 stops23h 50m

Washington, D.C. Dulles Intl

Wed 8/20

5:50 pm-7:40 pm

2 stops20h 50m

$919

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Wed 8/13

8:30 pm-3:22 pm

2 stops23h 52m

Washington, D.C. Reagan-National

Wed 8/20

3:25 pm-7:40 pm

2 stops23h 15m

$1,127

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Tue 8/12

9:50 am-3:35 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Tue 8/19

5:25 pm-9:15 am

1 stop10h 50m

$1,181

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 8/13

5:15 pm-3:35 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 8/20

5:25 pm-9:15 am

1 stop10h 50m

$1,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, August is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of $309). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of $345). 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.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from Cardiff to District of Columbia, such as Delta and Virgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, August is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of $309). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of $345). 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.

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