Cheap Flights from Sioux City (SUX) to St. Louis (STL)

Popular airlines from Sioux City, IA (SUX-Sioux Gateway) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Sioux Gateway Airport (SUX) to Lambert Field last minute?
When it's time to book your flights, it's better to be prepared. While it's possible to pick up a last-minute deal on a Sioux Gateway Airport (SUX) to Lambert-St. Louis Intl. Airport (STL) flight, fares usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international flights it's three to four months.
What airports do you fly into for St. Louis from Sioux City?
With Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) to pick from, flying from Sioux City to St. Louis is a piece of cake. The city's busiest terminal, Lambert-St. Louis Intl. Airport (STL), is about 19 kilometers northwest of the downtown area. Apart from the price of fares, consider things like train or bus options from the airport and the distance to your hotel before deciding where you'll get off the plane. Get your St. Louis vacation off to a flying start by exploring Busch Stadium and Gateway Arch.
Can I change the date of my flight from Colonel Bud Day Field to Lambert-St. Louis Intl. Airport (STL)?
It's a cinch to make amendments to your Sioux Gateway Airport (SUX) to Lambert Field trip yourself. Access your details via the Expedia Trips portal and click on "change flight." Look around for new flights and secure the one that fits your plans. You'll get an estimate of any flight change fees. You can also visit our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

Travel information

Travel information

Origin airport
Sioux Gateway
Destination airport
Lambert-St. Louis Intl.
Distance
646 km

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