Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to Washington, D.C. from £530

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — WAS
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Cardiff to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Washington, D.C. (WAS). 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 19 December 2024.

Round-trip from

£530
1/2-8/2
  • 1/2-8/2
  • 2 total stops
  • 20h 40m total
  • Cardiff to Washington, D.C.
Search Deals

Find flight deals from Cardiff to Washington, D.C.

Best flights from Cardiff to Washington, D.C.
Discover carefully curated flight deals from Cardiff to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.

Sat 1/209:45CWL - IAD
1 stop10h 55mMultiple Airlines
Sat 8/217:10IAD - CWL
1 stop9h 45mMultiple Airlines
Deal found 18/12£530
Sat 1/217:25CWL - IAD
1 stop27h 20mVirgin Atlantic
Sat 8/212:05IAD - CWL
2 stops16h 45mVirgin Atlantic
Deal found 18/12£654
Sat 1/210:25CWL - DCA
2 stops17h 03mDelta
Sat 8/212:55DCA - CWL
2 stops15h 55mDelta
Deal found 18/12£659
Sat 1/210:25CWL - BWI
2 stops17h 40mDelta
Sat 8/212:00BWI - CWL
2 stops16h 50mDelta
Deal found 18/12£659
Sat 1/212:00CWL - DCA
3 stops26h 32mMultiple Airlines
Sat 8/213:04DCA - CWL
3 stops18h 21mMultiple Airlines
Deal found 18/12£3,186

Find flights from Cardiff to Washington, D.C. within your budget

Customise your flight search to find flights from Cardiff to Washington, D.C. 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 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 1/2

09:45-15:40

1 stop10h 55m

Washington, D.C. Dulles Intl

Sat 8/2

17:10-07:55

1 stop9h 45m

£530

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Sat 1/2

17:25-15:45

1 stop27h 20m

Washington, D.C. Dulles Intl

Sat 8/2

12:05-09:50

2 stops16h 45m

£654

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 1/2

10:25-22:28

2 stops17h 03m

Washington, D.C. Reagan-National

Sat 8/2

12:55-09:50

2 stops15h 55m

£659

CardiffBaltimore

CWL - BWI

CWLBWI

Cardiff Wales

Sat 1/2

10:25-23:05

2 stops17h 40m

Baltimore/Washington

Sat 8/2

12:00-09:50

2 stops16h 50m

£659

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Sat 1/2

12:00-09:32

3 stops26h 32m

Washington, D.C. Reagan-National

Sat 8/2

13:04-12:25

3 stops18h 21m

£3,186

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Best time to book a flight from Cardiff to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

Get recent, data-driven insights about flights from Cardiff to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Cardiff to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Cardiff to Washington, D.C. (average of £599). Flying from Cardiff to Washington, D.C. in July is currently the most expensive (average of £938). 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 Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 19 December 2024.
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

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
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

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
668 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

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 Washington, D.C.. 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 Washington, D.C.?

    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 Washington, D.C.. 0 airlines have flights from Cardiff Wales to Washington, D.C. on a regular basis. Booking flights from Cardiff Wales to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

  • What are the cheapest airlines flying from Cardiff to Washington, D.C. round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to Washington, D.C., with prices starting at £654. Another option worth looking into is Delta, starting at £659 return.

  • What are the most popular routes from Cardiff to Washington, D.C.?

    The most popular route from Cardiff to Washington, D.C. is Cardiff Wales - Baltimore/Washington. You may also consider Cardiff Wales - Washington, D.C. Reagan-National or Cardiff Wales - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Cardiff to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Cardiff to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Washington, D.C..

  • Can I find deals for business class flights from Cardiff to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Cardiff to Washington, D.C. 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 Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Washington, D.C. (average of £599). Flying from Cardiff to Washington, D.C. in July is currently the most expensive (average of £938). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cardiff to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to Dulles Intl flights
Manchester to Reagan-National flights
Bristol to Dulles Intl flights
Cardiff to Reagan-National flights
Cardiff to Dulles Intl flights
Bristol to Reagan-National flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Washington, D.C.?

When you search for this flight from Cardiff to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Cardiff.

Can Cheapflights find flights from Cardiff to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.