Sioux Gateway/Brig General Bud Day Field is served by 3 airlines, flying from/to 5 destinationsLongest flight from Sioux Gateway/Brig General Bud Day Field is Sioux City to 🇺🇸 Las Vegas (LAS), which takes around 4 hours and 20 minutes. On an airline like Hex'Air. More info on this flight route (SUX-LAS).Shortest flight from Sioux Gateway/Brig General Bud Day Field is Sioux City to 🇺🇸 Denver (DEN), which takes around 1 hour and 45 minutes. On an airline like United Airlines. More info on this flight route (SUX-DEN).