The Houston to Washington route currently shows fares from €86 on Kiwi.com. Washington is an accessible destination in United States from Houston. Mid-week departures and shoulder-season months tend to keep prices lower on this route. Compare months in the calendar below to identify the cheapest window before locking in your booking.
Prices to Washington are typically lowest in the shoulder months shown in the calendar above. Searching for mid-week flights and avoiding school holiday windows can meaningfully cut costs on this route. If you're open on destination, use the interactive map from Houston to compare Washington against nearby alternatives - you may find a cheaper fare to a similar destination.
The US capital is a city of monuments, memorials, and museums - the Smithsonian Institution alone runs 17 museums and galleries, all free to enter. Washington is served by three airports: Dulles (IAD), Reagan National (DCA), and Baltimore (BWI) - the latter two closer to the city but with fewer transatlantic options.