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Cheap flights from Cardiff to District of Columbia from £339

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BWI
22 Jan — 29 Jan1
1 adult

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 17 January 2025.

Round-trip from

£576

One-way from

£339
KLM
  • KLM
  • 17/2-24/2
  • 2 total stops
  • 38h 40m total
  • Cardiff to District of Columbia
17/5
  • 17/5
  • 3 total stops
  • 31h 20m total
  • Cardiff to District of Columbia

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 17 January 2025.

Mon 17/217:25CWL - IAD
1 stop27h 20mKLM
Mon 24/217:35IAD - CWL
1 stop11h 20mKLM
Deal found 16/1£576
Sat 15/309:45CWL - IAD
1 stop14h 30mMultiple Airlines
Sun 23/321:45IAD - CWL
1 stop11h 05mMultiple Airlines
Deal found 16/1£590
Mon 27/117:25CWL - IAD
1 stop27h 20mVirgin Atlantic
Mon 3/217:35IAD - CWL
1 stop11h 20mVirgin Atlantic
Deal found 16/1£597
Mon 27/110:20CWL - IAD
2 stops17h 56mDelta
Mon 3/217:35IAD - CWL
1 stop18h 20mDelta
Deal found 16/1£601
Mon 27/110:20CWL - DCA
2 stops16h 40mDelta
Mon 3/218:20DCA - CWL
2 stops17h 35mDelta
Deal found 16/1£601
Sat 15/317:25CWL - DCA
2 stops28h 35mVirgin Atlantic
Sun 23/316:25DCA - CWL
2 stops13h 25mVirgin Atlantic
Deal found 16/1£824
Sat 15/310:25CWL - DCA
2 stops16h 04mKLM
Mon 24/316:25DCA - CWL
2 stops13h 30mKLM
Deal found 16/1£914

Find flights from Cardiff to District of Columbia within your budget

Customise 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 17/2

17:25-15:45

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 24/2

17:35-09:55

1 stop11h 20m

£576

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 15/3

09:45-20:15

1 stop14h 30m

Washington, D.C. Dulles Intl

Sun 23/3

21:45-12:50

1 stop11h 05m

£590

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 27/1

17:25-15:45

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/2

17:35-09:55

1 stop11h 20m

£597

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Mon 27/1

10:20-23:16

2 stops17h 56m

Washington, D.C. Dulles Intl

Mon 3/2

12:05-09:55

2 stops16h 50m

£601

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Mon 27/1

10:20-22:00

2 stops16h 40m

Washington, D.C. Reagan-National

Mon 3/2

18:20-16:55

2 stops17h 35m

£601

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 15/3

17:25-18:00

2 stops28h 35m

Washington, D.C. Reagan-National

Sun 23/3

16:25-09:50

2 stops13h 25m

£824

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 15/3

10:25-22:29

2 stops16h 04m

Washington, D.C. Reagan-National

Mon 24/3

16:25-09:55

2 stops13h 30m

£914

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 17/5

16:45-19:05

3 stops31h 20m

£339

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 17/5

17:35-15:35

1 stop27h 00m

£1,336

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 17/5

09:45-19:18

2 stops14h 33m

£1,344

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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 return 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, February is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £565). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £946). 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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 17 January 2025.
Read reviews from past customers who have flown KLM and Virgin Atlantic from Cardiff to District of Columbia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,513 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

8.0
Very Good
8,513 reviews
8.0
Very Good
8,513 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,339 reviews
8.0
Very Good
8,513 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

7.5
Good
664 reviews
8.0
Very Good
8,513 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

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) is the airport you will fly out of if you book a flight from Cardiff to District of Columbia. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

  • 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 holiday 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 £565). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £946). 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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How does Cheapflights help users find flights from Cardiff to District of Columbia?

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to District of Columbia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to District of Columbia.

Can Cheapflights find flights from Cardiff to District of Columbia with no change fees?

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