Which airline flies the most flights to SUX? The top airline carrier flying out of Sioux Gateway is American Airlines and they fly over 256 flights every month.
- American Airlines - Sioux City (SUX) to San Francisco (SFO) on 11/21 leaving at 12:50 pm and returning on 11/23 at 12:22 pm for only $567 per person.*
- American Airlines - Sioux City (SUX) to Rome (FCO) on 11/21 leaving at 10:48 am and returning on 11/25 at 8:54 pm for only $3,203 per person.*
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 11/16/2017 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.