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Cardiff

$813+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CWL
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$847
(Mytrip)

Popular in

May

Cheapest in

November

Average price

$778
Provider with most accurate pricing for Washington, D.C. (WAS)-Cardiff Wales flight deals.
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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
Highest demand for flights based on searches. 26% potential increase in price ($364 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 30, 2025.

This KLM deal was found by Cheapflights users on 4/28. 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.
Wed 4/305:25 pmIAD - CWL
1 stop10h 50mKLM
Wed 5/79:50 amCWL - IAD
1 stop10h 45mKLM
Deal found 4/28$813
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/262:25 pmIAD - CWL
2 stops20h 30mMultiple Airlines
Mon 6/21:10 pmCWL - IAD
2 stops29h 20mMultiple Airlines
Deal found 4/28$847
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:00 amDCA - CWL
2 stops17h 10mDelta
Sun 9/79:50 amCWL - DCA
2 stops18h 40mDelta
Deal found 4/29$931
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:30 pmIAD - CWL
2 stops15h 35mDelta
Sun 9/79:50 amCWL - IAD
1 stop10h 45mDelta
Deal found 4/29$943
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:20 pmIAD - CWL
2 stops14h 45mAir France
Sun 9/79:50 amCWL - IAD
2 stops14h 25mAir France
Deal found 4/29$1,179
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amDCA - CWL
3 stops32h 15mMultiple Airlines
Thu 6/198:15 pmCWL - DCA
2 stops28h 27mMultiple Airlines
Deal found 4/28$1,237
This Virgin Atlantic deal was found by Cheapflights users on 4/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:07 amIAD - CWL
2 stops18h 08mVirgin Atlantic
Thu 6/199:50 amCWL - IAD
1 stop10h 45mVirgin Atlantic
Deal found 4/28$1,263
This KLM deal was found by Cheapflights users on 4/28. 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.
Thu 6/121:45 pmDCA - CWL
2 stops14h 30mKLM
Thu 6/199:50 amCWL - DCA
2 stops18h 43mKLM
Deal found 4/28$1,273

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 April 30, 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

Wed 8/20

5:25 pm-9:15 am

1 stop10h 50m

Cardiff Wales

Wed 8/27

9:50 am-3:35 pm

1 stop10h 45m

$813

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 8/20

1:00 pm-9:15 am

2 stops15h 15m

Cardiff Wales

Wed 8/27

9:50 am-3:35 pm

1 stop10h 45m

$818

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 5/26

2:25 pm-3:55 pm

2 stops20h 30m

Cardiff Wales

Mon 6/2

1:10 pm-1:30 pm

2 stops29h 20m

$847

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 8/29

11:00 am-9:10 am

2 stops17h 10m

Cardiff Wales

Sun 9/7

9:50 am-11:30 pm

2 stops18h 40m

$931

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Fri 8/29

9:20 pm-5:05 pm

2 stops14h 45m

Cardiff Wales

Sun 9/7

9:50 am-7:15 pm

2 stops14h 25m

$1,179

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 6/12

6:00 am-7:15 pm

3 stops32h 15m

Cardiff Wales

Thu 6/19

8:15 pm-7:42 pm

2 stops28h 27m

$1,237

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Thu 6/12

10:07 am-9:15 am

2 stops18h 08m

Cardiff Wales

Thu 6/19

9:50 am-3:35 pm

1 stop10h 45m

$1,263

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Thu 6/12

1:45 pm-9:15 am

2 stops14h 30m

Cardiff Wales

Thu 6/19

9:50 am-11:33 pm

2 stops18h 43m

$1,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April 30, 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.

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. 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 Cardiff. Reviews last updated April 30, 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from District of Columbia to Cardiff. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$713Average$790FlexibilityNo cancel feeOn-time75%

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