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.
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.
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.
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.
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.
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.
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.