Are there nonstop flights from Williston (XWA) to Denver (DEN)?

Yes. United Express fly this route. Flight time is about 1h 36m.

Williston → Denver

Williston Basin International Airport (XWA) to Denver International Airport (DEN)・937 km

Nonstop flights available (1 airline). Flight time about 1h 36m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.