Find a great deal and save up to 27% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Derry to Washington Dulles Intl within the next two weeks, with the cheapest ticket starting at £547.
February can be a great time to fly to Washington Dulles Intl from Derry with a flight ticket averaging about £501. Cheapflights users have found deals in the month of February for as cheap as £335. The most expensive prices can be found in the month of July.
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 Derry 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.
The rainfall in Derry is generally more than the rainfall in Washington Dulles Intl. This will continue over the next 0 days.
Temperatures around the 31 °Cs can be experienced in July. The weather in Washington Dulles Intl is hotter than in Derry. Plan for potential changes in flight availability as peak weather approaches in this location.