Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to District of Columbia from £784

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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 5 November 2025.

Round-trip from

£784
Virgin Atlantic
  • Virgin Atlantic
  • 8/1-16/1
  • 4 total stops
  • 37h 26m total
  • Cardiff to District of Columbia
Search Deals

Find flight deals from Cardiff to District of Columbia

Enter your travel dates to find the best prices.

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 5 November 2025.

Thu 18/1210:30CWL - IAD
1 stop14h 00mMultiple Airlines
Thu 25/1218:00IAD - CWL
2 stops23h 00mMultiple Airlines
Deal found 3/11£826
Thu 13/1110:30CWL - IAD
1 stop14h 00mMultiple Airlines
Fri 14/1121:00IAD - CWL
1 stop17h 40mMultiple Airlines
Deal found 3/11£946
Thu 18/1217:25CWL - IAD
1 stop27h 40mKLM
Thu 25/1218:05IAD - CWL
1 stop17h 40mKLM
Deal found 3/11£1,000
Thu 18/1210:20CWL - DCA
2 stops17h 37mKLM
Thu 25/1207:00DCA - CWL
2 stops21h 50mKLM
Deal found 3/11£1,088
Thu 18/1210:30CWL - DCA
2 stops17h 05mMultiple Airlines
Thu 25/1211:05DCA - CWL
3 stops24h 40mMultiple Airlines
Deal found 3/11£1,326
Thu 13/1110:20CWL - DCA
2 stops17h 36mVirgin Atlantic
Fri 14/1114:59DCA - CWL
2 stops13h 51mVirgin Atlantic
Deal found 3/11£2,155

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 5 November 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

Thu 8/1

10:20-19:09

2 stops13h 49m

Washington, D.C. Dulles Intl

Fri 16/1

12:18-16:55

2 stops23h 37m

£784

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 19/2

10:20-22:43

2 stops17h 23m

Washington, D.C. Reagan-National

Mon 23/2

14:33-16:55

2 stops21h 22m

£784

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 8/1

10:20-22:48

2 stops17h 28m

Washington, D.C. Reagan-National

Fri 16/1

17:00-16:55

2 stops18h 55m

£784

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 19/2

10:20-23:11

2 stops17h 51m

Washington, D.C. Dulles Intl

Mon 23/2

18:05-16:55

1 stop17h 50m

£788

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 19/2

10:20-23:11

2 stops17h 51m

Washington, D.C. Dulles Intl

Mon 23/2

12:35-09:50

2 stops16h 15m

£789

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 18/12

10:30-19:30

1 stop14h 00m

Washington, D.C. Dulles Intl

Thu 25/12

18:00-22:00

2 stops23h 00m

£826

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 8/1

17:25-21:00

3 stops32h 35m

Washington, D.C. Dulles Intl

Fri 16/1

22:30-19:40

2 stops16h 10m

£909

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Thu 18/12

17:25-16:05

1 stop27h 40m

Washington, D.C. Dulles Intl

Thu 25/12

18:05-16:45

1 stop17h 40m

£1,000

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 8/1

10:30-22:35

3 stops41h 05m

Washington, D.C. Reagan-National

Fri 16/1

06:00-19:40

3 stops32h 40m

£1,002

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Thu 18/12

10:20-22:57

2 stops17h 37m

Washington, D.C. Reagan-National

Thu 25/12

07:00-09:50

2 stops21h 50m

£1,088

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 11 results
1
2

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, November is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £507). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £825). 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.

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 5 November 2025.
Check out reviews from past customers who have flown with KLM from Cardiff to District of Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Cardiff to District of Columbia?

    For as low as £784, Virgin Atlantic can have you in District of Columbia from Cardiff in 13h 49m. Airlines will cover a distance of 3548 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £507). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £825). 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 District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to John F Kennedy Intl flights
Manchester to Orlando flights
Manchester to Newark flights
Manchester to LaGuardia flights
Manchester to Miami flights
Manchester to Los Angeles flights
Manchester to Las Vegas flights
Manchester to San Francisco flights
Manchester to Dallas/Fort Worth flights
Manchester to Boston flights
Manchester to Atlanta flights
Manchester to Santa Ana flights
Manchester to Seattle flights
Manchester to Hobby flights
Manchester to Dulles Intl flights
Manchester to Ontario flights
Manchester to Baltimore flights
Manchester to Love Field flights
Manchester to George Bush Intcntl flights
Manchester to Burbank flights
Manchester to Reagan-National flights
Manchester to Austin flights
Manchester to Fort Lauderdale flights
Manchester to O'Hare Intl flights
Manchester to Denver flights
Manchester to Charlotte flights
Manchester to Tampa flights
Manchester to San Jose flights
Manchester to Portland flights
Cardiff to John F Kennedy Intl flights
Manchester to Oakland flights
Bristol to Denver flights
Manchester to Philadelphia flights
Manchester to Midway flights
Manchester to Nashville flights
Bristol to John F Kennedy Intl flights
Manchester to San Diego flights
Manchester to Melbourne flights
Bristol to Newark flights
Cardiff to Denver flights
Manchester to Kansas City flights
Manchester to Sky Harbor Intl flights
Manchester to St. Louis flights
Bristol to LaGuardia flights
Manchester to El Paso flights
Cardiff to Newark flights
Manchester to Cleveland flights
Manchester to Minneapolis flights
Manchester to Pittsburgh flights
Manchester to Greenville 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 District of Columbia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to District of Columbia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to District of Columbia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to District of Columbia become cheaper?

Of course! You can now track prices for flights from Cardiff to District of Columbia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.