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Cheap flights from Cardiff to District of Columbia from £313

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
20 אוג' — 27 אוג'1
1 adult

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 15 אוגוסט 2025.

Round-trip from

£522

One-way from

£313
27/9-4/10
  • 27/9-4/10
  • 2 total stops
  • 24h 05m total
  • Cardiff to District of Columbia
Search Deals
4/10
  • 4/10
  • 3 total stops
  • 35h 20m total
  • Cardiff 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 15 אוגוסט 2025.

ש' 27/909:00CWL - IAD
1 stop11h 50mMultiple Airlines
ש' 4/1017:20IAD - CWL
1 stop12h 15mMultiple Airlines
Deal found 13/8£522
ש' 27/909:45CWL - IAD
1 stop10h 50mVirgin Atlantic
ש' 4/1012:08IAD - CWL
2 stops16h 07mVirgin Atlantic
Deal found 13/8£639
ש' 27/909:45CWL - IAD
2 stops14h 52mDelta
ש' 4/1017:25IAD - CWL
2 stops18h 20mDelta
Deal found 13/8£643
ש' 27/909:45CWL - DCA
2 stops18h 56mKLM
ש' 4/1014:00DCA - CWL
2 stops14h 15mKLM
Deal found 13/8£671
ש' 27/909:00CWL - DCA
2 stops14h 04mMultiple Airlines
ש' 4/1012:55DCA - CWL
3 stops16h 40mMultiple Airlines
Deal found 13/8£701
ב' 18/813:10CWL - IAD
2 stops38h 00mMultiple Airlines
ב' 25/817:20IAD - CWL
1 stop17h 35mMultiple Airlines
Deal found 13/8£1,049
ב' 18/812:00CWL - IAD
2 stops34h 35mBritish Airways
ב' 25/817:55IAD - CWL
2 stops12h 35mBritish Airways
Deal found 13/8£1,325
ב' 18/809:50CWL - DCA
2 stops15h 57mKLM
ב' 25/813:55DCA - CWL
2 stops14h 20mKLM
Deal found 13/8£1,364
ב' 18/812:00CWL - DCA
3 stops24h 49mMultiple Airlines
ב' 25/814:54DCA - CWL
3 stops15h 36mMultiple Airlines
Deal found 13/8£1,483

Cheapflights Fare Finder

 
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 15 אוגוסט 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

ש' 27/9

09:00-15:50

1 stop11h 50m

Washington, D.C. Dulles Intl

ש' 4/10

17:20-10:35

1 stop12h 15m

£522

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

ש' 27/9

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

ש' 4/10

12:08-09:15

2 stops16h 07m

£639

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

ש' 27/9

09:45-19:37

2 stops14h 52m

Washington, D.C. Dulles Intl

ש' 4/10

17:25-16:45

2 stops18h 20m

£643

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

ש' 27/9

09:45-23:41

2 stops18h 56m

Washington, D.C. Reagan-National

ש' 4/10

14:00-09:15

2 stops14h 15m

£671

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

ש' 27/9

09:00-18:04

2 stops14h 04m

Washington, D.C. Reagan-National

ש' 4/10

12:55-10:35

3 stops16h 40m

£701

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

ש' 4/10

09:00-15:20

3 stops35h 20m

£313

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

ש' 4/10

09:00-22:34

3 stops18h 34m

£493

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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.

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, January is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £599). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £947). 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) 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, January is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £599). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £947). 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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How does Cheapflights help users find flights from Cardiff to District of Columbia?

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

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