Cheap Flights to Sioux City Airport

Compare Sioux City Airport flights across hundreds of providers

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Flight deals to Sioux City

Looking for a cheap last-minute deal or the best return flight to Sioux City? Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to Sioux City

Flexible on travel dates? Find the cheapest month – or even day – to fly to Sioux City.

Airports near Sioux City

Compare routes to Sioux City below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Currently, there are no airlines that fly direct to Sioux City. But we found flights with one or more stops from $4,258.
The cheapest month to fly to Sioux City is usually August.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sioux City but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
No airlines currently offer direct flights between Australia and Sioux City Airport. Most routes have one or more stops.
The best price we found for a return flight to Sioux City is $4,260. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Sioux City Airport is Monday, 4 August 2025.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sioux City is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Cathay Pacific offers the cheapest flight tickets to Sioux City.

Flying to Sioux City

The things to know before you go.
Cheapest flight found$3,999
Cheapest month to flyAugust

Discover Sioux City

How to find cheap flights to Sioux Gateway Airport (SUX)

  • Currently, $3,999 is the cheapest price for a one-way flight to Sioux Gateway Airport. Or you can reserve a round-trip plane ticket to SUX for $4,260.

  • Ditch the endless refreshing and stay updated on fares by setting up a Price Alert. The moment prices on tickets to SUX fall, we'll keep you posted.

  • Around eight months ahead is a good time to book tickets to Sioux City, where Sioux Gateway Airport is located. This is the general recommendation if you're hoping to lock in the lowest fares.

  • Check the 'Add nearby airports' option and expand your search for cheap flights to Sioux City. This will list all the airports around your departure and destination points.

  • If you're not in a rush to travel to Sioux City, consider going the long way round. You might find cheaper plane tickets to Sioux Gateway Airport by booking a flight with a stop.

Best time to go to Sioux City

  • July is usually the cheapest month to catch a flight to Sioux City.

  • To find the cheapest month for flights to SUX, use the 'Whole month' tool. If you have flexible travel dates, keep an eye out for the green prices on the calendar — they show you the lowest fares that are available.

  • Travel to Sioux City in August if you'd like to be there when it's busy. This is the most popular month for flights to SUX, but also when tickets can be more expensive.

  • February is the quietest period of the year to travel if you prefer a more laid-back vibe. There's also a good chance you'll find cheaper prices on plane tickets to Sioux City then.

  • With averages of between 15ºC and 33ºC, July is when Sioux City is at its warmest. Plan your visit around your weather preferences to make the most of your trip.

  • January brings the lowest temperatures, ranging from about -14ºC to 2ºC.

Travelling to Sioux Gateway Airport (SUX): what you need to know

Getting to central Sioux City from Sioux Gateway Airport (SUX)

Sioux City highlights

Lewis and Clark Interpretive Centre

  • Put this toward the top of your to-do list after stepping off your flight to Sioux Gateway Airport. You'll find it around 2 kilometres south-west of the city centre.

Sioux City Public Museum

  • Another unmissable sight, this attraction is roughly 0.32 kilometres south-east of central Sioux City.

Stone State Park

  • Stone State Park will also make the highlight reel of your holiday. From the heart of Sioux City, it's located around 8 kilometres to the north-west.

Complete your trip with a Sioux City car hire

  • Choose from a variety of car rentals in Sioux City and explore without limits. With one easy search, compare rates and find the best deal after locking in your hotel and cheap flight to Sioux Gateway Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.