How long is the flight from Boise to Sioux City?

A quick flight from Boise to Sioux City can take about 4h 55m. United Airlines provides one of the quickest options available for as low as $384. Boise and Sioux City are separated by a distance of 1003 mi.

In terms of precipitation, rainfall in Sioux City ranges from 0.7 - 4.2 inches per month. June is typically the wettest month, when rainfall can reach 4.2 in. January is typically the driest time to visit Sioux City when rainfall is around 0.7 in.

If weather is an important factor for your trip to Sioux City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from BOI to SUX?

When flying from Boise to Sioux City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Boise-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Sioux City flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boise-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Boise to Sioux City that include hotel bookings?

Yes. In addition to deals on Boise to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boise to Sioux City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Sioux City.

Can I find deals for business class flights from Boise to Sioux City?

Yes. Cheapflights offers flight deals from Boise to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$384+ Cheap Flights from Boise to Sioux City

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Cheapest flights from Boise to Sioux City
Explore the most affordable flight options available from Boise to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

Tue 9/15:00 am

BOI

SUX

1 stop4h 55m

United Airlines

Sat 9/511:30 am

SUX

BOI

1 stop7h 28m

United Airlines

Deal found 7/7

$384

Find flight deals from Boise to Sioux City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$384 (United Airlines)

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Sioux City Sioux Gateway flight deals.

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From Boise Air Term. Gowen Fld to Sioux City Sioux Gateway

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BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-10:55 am

1 stop4h 55m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-5:58 pm

1 stop7h 28m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Sorted by cheapest first

Most accurate provider: When it comes to deals on Boise-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Sioux City flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boise-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Boise with our price prediction graph.

BOI-SUX

Estimated round-trip price

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Related info for your journey

How long is the flight from Boise to Sioux City?
A quick flight from Boise to Sioux City can take about 4h 55m. United Airlines provides one of the quickest options available for as low as $384. Boise and Sioux City are separated by a distance of 1003 mi.
Can I find deals for flights from Boise to Sioux City that include hotel bookings?
Yes. In addition to deals on Boise to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Sioux City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Sioux City.
Can I find deals for business class flights from Boise to Sioux City?
Yes. Cheapflights offers flight deals from Boise to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$384+ Cheap flights from Boise to Sioux City (BOI - SUX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Sioux City with Cheapflights

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Cheap flight deals from Boise to Sioux City

Cheapest flights from Boise to Sioux CityExplore the most affordable flight options available from Boise to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

Explore the most affordable flight options available from Boise to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

Best flights from Boise to Sioux CityDiscover carefully curated flight deals from Boise to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.

Discover carefully curated flight deals from Boise to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.

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Related info for your journey

Find useful and relevant information for your journey from Boise to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Boise to Sioux City?

Can I find deals for flights from Boise to Sioux City that include hotel bookings?

How can I find direct flights from Boise to Sioux City?

Can I find deals for business class flights from Boise to Sioux City?

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Cheapest flights from Boise to Sioux City
Explore the most affordable flight options available from Boise to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

Best flights from Boise to Sioux City
Discover carefully curated flight deals from Boise to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.