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District of Columbia

$487+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BWI
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Cardiff to District of Columbia

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to District of Columbia (USDC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$738
(TravelUp)

One-way from

$487
(Kiwi.com)
From Cardiff Wales to District of Columbia
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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 January 21, 2025.

This TravelUp deal was found by Cheapflights users on 1/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/235:25 pmCWL - IAD
1 stop27h 20mKLM
Sun 3/305:25 pmIAD - CWL
1 stop18h 20mKLM
Deal found 1/20$738
This TravelUp deal was found by Cheapflights users on 1/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/235:25 pmCWL - IAD
1 stop27h 20mVirgin Atlantic
Sun 3/307:59 pmIAD - CWL
2 stops32h 16mVirgin Atlantic
Deal found 1/20$745
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 2/2010:20 amCWL - DCA
2 stops16h 40mDelta
Tue 2/2512:55 pmDCA - CWL
2 stops15h 55mDelta
Deal found 1/21$774
This TravelUp deal was found by Cheapflights users on 1/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/235:25 pmCWL - DCA
2 stops33h 51mVirgin Atlantic
Sun 3/3012:10 pmDCA - CWL
2 stops16h 05mVirgin Atlantic
Deal found 1/20$781
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Sun 3/238:20 amCWL - IAD
2 stops15h 05mMultiple Airlines
Sun 3/305:45 pmIAD - CWL
3 stops22h 05mMultiple Airlines
Deal found 1/20$870
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sun 3/238:20 amCWL - DCA
3 stops18h 17mMultiple Airlines
Sun 3/309:40 amDCA - CWL
3 stops30h 10mMultiple Airlines
Deal found 1/21$1,235

Find flights from Cardiff to District of Columbia within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sun 3/23

5:25 pm-4:45 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Sun 3/30

5:25 pm-4:45 pm

1 stop18h 20m

$738

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sun 3/23

5:25 pm-4:45 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Sun 3/30

7:59 pm-9:15 am

2 stops32h 16m

$745

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sun 3/23

5:25 pm-11:16 pm

2 stops33h 51m

Washington, D.C. Reagan-National

Sun 3/30

12:10 pm-9:15 am

2 stops16h 05m

$781

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sun 3/23

8:20 am-7:25 pm

2 stops15h 05m

Washington, D.C. Dulles Intl

Sun 3/30

5:45 pm-8:50 pm

3 stops22h 05m

$870

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 6/28

9:45 am-10:30 pm

2 stops17h 45m

Washington, D.C. Reagan-National

Sat 7/19

7:30 pm-4:50 pm

2 stops16h 20m

$1,158

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 6/18

8:30 pm-7:05 pm

3 stops27h 35m

$487

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Wed 6/18

8:30 pm-7:40 pm

3 stops28h 10m

$779

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 6/18

9:50 am-3:35 pm

1 stop10h 45m

$1,584

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Wed 6/18

9:50 am-9:53 pm

2 stops17h 03m

$1,589

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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.

Travel insights for flights from Cardiff to District of Columbia

Get recent, data-driven insights about flights from Cardiff to District of Columbia including ideal travel times, pricing trends, and more.

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 $241). Flying from Cardiff to District of Columbia in March is currently the most expensive (average of $290). 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $241). Flying from Cardiff to District of Columbia in March is currently the most expensive (average of $290). 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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Alternative routes for Cardiff to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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