How does KAYAK find such low prices on flights from Idaho to Sioux City?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Sioux City. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Sioux City?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux City from Idaho is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Idaho to Sioux City?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux City with an airline and back to Idaho with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Sioux City?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux City from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$344 CHEAP FLIGHTS from Idaho to Sioux City

SUX

KAYAK searches hundreds of travel sites at once for deals on flights to Sioux City

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$344

United Airlines

Fri 1/23Tue 1/27

BOI - SUX • 1 stop

Cheapest one-way

$413

United Airlines

Thu 1/1

GEG - SUX • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Sioux City!

Flight Deals

Cheap Flights from Idaho to Sioux City

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Sioux City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Idaho to Sioux City

Fri, Jan 23 - Tue, Jan 27

8:15 am - 5:28 pm

BOI

SUX

8h 13m1 stop

6:00 am - 10:06 am

SUX

BOI

5h 06m1 stop

$344United Airlines

Fri, Jan 23 - Tue, Jan 27

8:15 am - 5:28 pm

BOI

SUX

8h 13m1 stop

12:45 pm - 9:52 pm

SUX

BOI

10h 07m2 stops

$354United Airlines

Fri, Jan 23 - Tue, Jan 27

10:15 am - 11:47 pm

BOI

SUX

12h 32m2 stops

12:45 pm - 9:52 pm

SUX

BOI

10h 07m2 stops

$359United Airlines

Thu, Jan 8 - Sat, Jan 10

4:10 pm - 11:47 pm

GEG

SUX

5h 37m1 stop

12:45 pm - 9:22 pm

SUX

GEG

10h 37m2 stops

$393United Airlines

Thu, Jan 8 - Sat, Jan 10

12:24 pm - 11:47 pm

GEG

SUX

9h 23m2 stops

12:45 pm - 9:22 pm

SUX

GEG

10h 37m2 stops

$398United Airlines

Thu, Jan 8 - Sat, Jan 10

1:48 pm - 11:47 pm

GEG

SUX

7h 59m1 stop

12:45 pm - 11:39 am

SUX

GEG

24h 54m1 stop

$468United Airlines

Thu, Jan 8 - Sat, Jan 10

1:48 pm - 11:47 pm

GEG

SUX

7h 59m1 stop

12:45 pm - 11:39 am

SUX

GEG

24h 54m1 stop

$503United Airlines

Wed, Mar 25 - Fri, Apr 3

6:00 am - 5:41 pm

GEG

SUX

9h 41m1 stop

12:45 pm - 8:56 pm

SUX

GEG

34h 11m2 stops

$541United Airlines

Wed, Mar 25 - Fri, Apr 3

6:00 am - 5:41 pm

GEG

SUX

9h 41m1 stop

6:00 am - 3:13 pm

SUX

GEG

11h 13m1 stop

$559United Airlines

Wed, Mar 25 - Fri, Apr 3

5:00 am - 5:41 pm

GEG

SUX

10h 41m2 stops

12:45 pm - 8:56 pm

SUX

GEG

34h 11m2 stops

$631United Airlines

Useful Info

Low season	April
High season	February
Cheapest flight	$344

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly and prices are also 27% lower on average.

Flight from Boise to Sioux City

How does KAYAK find such low prices on flights from Idaho to Sioux City?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Sioux City.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Sioux City?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux City from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Idaho to Sioux City?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux City with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Sioux City?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux City from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Sioux City

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Sioux City

Sioux City (SUX)

SUX

$344 Find Cheap Flights from Idaho to Sioux City

KAYAK searches hundreds of travel sites at once for deals on flights to Sioux City

Everything you should know

Cheap Flights from Idaho to Sioux City

Recent round-trip flight deals from Idaho to Sioux City

Recent one-way flight deals from Idaho to Sioux City

Recent last minute flight deals from Idaho to Sioux City

Good to know

FAQs for booking flights from Idaho to Sioux City

How does KAYAK find such low prices on flights from Idaho to Sioux City?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Sioux City.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Sioux City?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux City from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Idaho to Sioux City?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux City with an airline and back to Idaho with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Sioux City?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux City from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Sioux City

Information on the airport you'll fly into in Sioux City

Cabin class types available on flights to Idaho

Complete your trip to Sioux City with a hotel stay or car rental

Find direct flights for Sioux City

Flights to other popular destinations

Flights from domestic origins to Sioux City

Choose which airport to fly into in Sioux City