Cheap flights from Cardiff to Washington Dulles Intl

Return
Economy
Cardiff (CWL)
Washington (IAD)
Depart
Return
Any month
Compare vs Cheapflights |

How to find the cheapest flight from
Cardiff (CWL) to Washington Dulles Intl (IAD)

All the information you need to plan the best CWL to IAD flight in 2021: compare Cardiff to Washington Dulles Intl flight prices with the expected peak season, weather and rainfall in Washington Dulles Intl.
How far in advance should I book a flight from Cardiff to Washington Dulles Intl?

To save up to 27% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cardiff to Washington Dulles Intl from £519 1-2 weeks out and tickets from £606 for flights departing within the next 72 hours.

What is the cheapest month to fly from Cardiff to Washington Dulles Intl?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington Dulles Intl. Flights to Washington Dulles Intl from Cardiff in February are about £475 on average during February, but can be found for as low as £317.

Cardiff to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from Cardiff found for this year
21 Dec - 23 Dec
£2,093pp
CWL
Cardiff Cardiff Wales
Virgin Atlantic
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
 
1 STOP
CWL
Cardiff Cardiff Wales
21 Dec - 23 Dec
£2,097pp
CWL
Cardiff Cardiff Wales
Virgin Atlantic
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
 
1 STOP
CWL
Cardiff Cardiff Wales

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Cardiff</span> to <span class="emphasized">Washington Dulles Intl</span> flights.

Flight FAQs

From Cardiff to Washington Dulles Intl

Are flight prices decreasing from Cardiff to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Cardiff and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Cardiff Cardiff Wales to Washington Dulles Intl have flexible changes due to COVID-19?

One of the carriers operating flights from Cardiff Cardiff Wales to Washington Dulles Intl that may be offering flexible change policies is KLM. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airport do you fly from for flights from Cardiff to Washington Dulles Intl?

For a flight from Cardiff to Washington Dulles Intl, you will be flying from Cardiff Wales. Cardiff Cardiff Wales (CWL) is just 9.1 mi from the centre of the city. Cardiff Wales is the only Cardiff airport and it handles 0 outbound flights to Washington Dulles Intl per day. 1 airline has flights to Washington Dulles Intl from Cardiff Cardiff Wales on a regular basis.

Does it rain more in Cardiff or Washington Dulles Intl?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Cardiff is roughly less than Washington Dulles Intl. You can assume this to be the case over the next 8 days.

Is Cardiff weather warmer or cooler than Washington Dulles Intl?

Temperatures around the 31 °Cs can be experienced in July. The weather in Washington Dulles Intl is hotter than in Cardiff. Plan for potential changes in flight availability as peak weather approaches in this location.

Alternative routes for Cardiff to Washington Dulles Intl

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

Destination information for Washington Dulles Intl

Things to know before you go - useful duration and weather info for your trip from Cardiff to Washington Dulles Intl.
Today's exchange rate
£1 = $1.42
Average temperature for May in Washington Dulles Intl
25.0 °C
Avg rainfall for May in Washington Dulles Intl
111.0 mm

Airports servicing Cardiff

Airports servicing Washington

Home North America USA Washington Washington Dulles Intl Cheap flights from Cardiff to Washington Dulles Intl
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First