Non-stop flights from Sioux City (SUX)
Sioux City Airport (IATA: SUX, ICAO: KSUX), also known as Sioux Gateway Airport (Colonel Bud Day Field), is a small airport in United States with domestic flights only.
At present, there are 2 domestic flights from Sioux City.
The longest flight from Sioux City SUX is a 465 mile (748 km) non-stop route to Denver DEN. This direct flight takes around 1 hour and 54 minutes and is operated by United Airlines.
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Airlines flying from Sioux City Popular destinations from Sioux City Popular destinations with a stopover Points & Miles information Destinations by flight duration Best time to travel from Sioux City International flights Domestic flights Alternative airports FAQAirlines flying from Sioux City
Only one airline is flying from and to Sioux City, which is United Airlines.
Popular destinations from Sioux City
Below you can find a list of the most popular destinations from Sioux City, based on the number of scheduled flights for this month.
Popular destinations with a stopover
Aside from all non-stop destinations listed above, these are popular destinations from Sioux City that require a stopover:
Information on Points & Miles
This section lists destinations within specific distances from Sioux City. It's helpful if you're seeking destinations covering certain mileage, which can be useful when planning an award flight or booking with points and miles.
For more flexibility in choosing distances, consider upgrading to FlightConnections Premium. You'll gain access to the distance filter and many other useful features to refine your search!
From Sioux City, which places within 500 miles can I reach?


Destinations from Sioux City by flight duration
Discover a variety of destinations from Sioux City below, organized by flight duration. This layout allows you to easily identify destinations based on the maximum flight duration you prefer. Additionally, you can utilize the duration filter on the map, which is even more convenient!
Where can I fly from Sioux City within 2 hours?


Best time to travel from Sioux City
Traveling from Sioux City offers you the chance to explore various destinations with diverse climates, including . Keep in mind that the optimal time to visit may vary depending on your chosen location, so check out the information by climate type below.
☀️ Hot Mediterranean destinations
From Sioux City you can currently reach one Hot Mediterranean destination with a direct flight. Known for their beautiful coastlines and rich cultural heritage — although depending on your the exact destination of your choice — as well as outdoor lifestyle offering a balance of relaxation, nature, and culture.
🌐 In the Northern Hemisphere:
Although Mediterranean destinations in the Northern Hemisphere are nice to visit throughout the year, the best times to explore them are in spring (March-May) and fall (September-November). The temperatures during these seasons are pleasantly warm, which is a nice contrast to the summer heat that often prevails there with temperatures rising above 30°C (86°F).

🥵 Hot Continental destinations
There’s currently just one destination accessible via a direct flight. Hot Continental destinations are known known for their hot, humid summers, where temperatures frequently rise above 30°C (86°F), and celebrated for their diverse landscapes, featuring both forests and mountains. Additionally, exploring the urban city areas can be highly enjoyable as well!
🌐 In the Northern Hemisphere:
The spring, summer, and fall months, from March to November, are typically the best times to visit these continental destinations located in the Northern Hemisphere. Summers can be very warm though, and there's a bit more precipitation compared to spring and autumn.

International flights from Sioux City
Currently there are no international flights departing from Sioux City. To get from Sioux City to another country you will need a flight with a stopover, for example through Chicago or Denver.
Domestic flights from Sioux City
Flights from Sioux City to United States
There are 2 airports in United States that have non-stop domestic flights from Sioux City.
To Chicago and Denver, you can fly with United Airlines (Star Alliance).
All flights to United States
Alternative airports near Sioux City
Below you can find a list of alternative airports to Sioux City (SUX). The nearest airports to Sioux City (SUX) are Omaha (OMA) and Sioux Falls (FSD).
Frequently asked questions - FAQ
How many airports are there in Sioux City?
There is 1 airport in Sioux City: Sioux Gateway Airport (Colonel Bud Day Field) (SUX).
What is the best airport to fly from Sioux City?
The most convenient airport to fly from Sioux City is Sioux Gateway Airport (Colonel Bud Day Field) (SUX).
How many airlines fly from Sioux City?
There is 1 airline flying from Sioux City, which is United Airlines, as of April 2026.
Which airlines fly from Sioux City?
United Airlines is the only airline flying from Sioux City.
Which alliances are flying from Sioux City?
Star Alliance is currently the only alliance flying from Sioux City.
How many nonstop flights are there from Sioux City?
There are roughly 77 flights departing from Sioux City every month (or 21 flights each week), to a total of 2 airports - all within United States.
What is the official name of Sioux City Airport?
The official name of Sioux City Airport is Sioux Gateway Airport (Colonel Bud Day Field).
What is the airport code of Sioux City Airport?
The airport code of Sioux City Airport is SUX.
What are the most popular flights from Sioux City?
Denver and Chicago are the only airports with flights from Sioux City.
How long is the flight from Sioux City?
| Sioux City to Denver | 1h 54m |
| Sioux City to Chicago | 1h 45m |