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Flights from St. Louis to Sioux City

Flight deals from St. Louis to Sioux City

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from St. Louis to Sioux City

Cheapest one-way flight price NZD 359
Off-season for travel April
Peak season for travel March
Flight distance 672.02 km
Popular airline American Airlines

Find the best time to fly from St. Louis to Sioux City

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 15 22
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  • Jul

    29 6
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  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from St. Louis (STL) to Sioux City (SUX) the cheapest?

    Airlines adjust prices for flights from St. Louis to Sioux City based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Sioux City (SUX) cost?

    According to Trip.com's data, the lowest price is around NZD 833.

How to find a cheap flight from St. Louis to Sioux City

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Sioux City. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com