Airport · Sioux City, United States
Sioux Gateway/Brig General Bud Day Field (SUX)
IATA SUXICAO KSUX2 airlines3 destinationsUnited States
Sioux Gateway/Brig General Bud Day Field (SUX) currently has nonstop service to 3 destinations on 2 airlines in our latest departure data. The busiest route is to Denver (DEN), and the largest operator here is United Airlines with nonstops to 2 destinations.
Route data as of June 15, 2026, based on a 7-day departures sample.
Where can you fly nonstop from SUX?
You can fly nonstop from SUX to 3 destinations. Current schedules show about 2.9 flights per day across those routes. The busiest options start with Denver (DEN), Chicago (ORD), St Paul (STP).