BOI - SUX

$484 Find Cheap Flights from Boise to Sioux City - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$484
Typical prices: $566-$941
United Airlines
Sat 1/27Tue 1/30
BOI - SUX • 1 stop
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Booking Insights
Flight Deals

Cheap Flights from Boise to Sioux City (BOI-SUX)

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

Recent round-trip flight deals from Boise to Sioux City

Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:28 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
5h 16m1 stop Denver Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$484United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:28 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
5h 16m1 stop Denver Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$489United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
6:20 am - 6:11 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
10h 51m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$494United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
6:20 am - 6:11 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
10h 51m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$499United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
5:28 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
5h 16m1 stop Denver Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$564United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
6:20 am - 6:11 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
10h 51m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
5:04 am - 11:55 amSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
7h 51m1 stop Chicago O'Hare Intl
$574United Airlines
Wed, Jan 27 - Sat, Jan 30
United Airlines Logo
6:20 am - 6:11 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
10h 51m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
5:04 am - 1:29 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
9h 25m2 stops Chicago O'Hare Intl Denver Intl
$579United Airlines
Mon, Mar 22 - Fri, Mar 26
United Airlines Logo
5:22 pm - 11:42 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
5h 20m1 stop Denver Intl
United Airlines Logo
6:46 pm - 7:46 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
26h 00m2 stops Denver Intl San Francisco
$657United Airlines
Mon, Mar 22 - Fri, Mar 26
United Airlines Logo
5:22 pm - 11:42 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
5h 20m1 stop Denver Intl
United Airlines Logo
6:46 pm - 6:13 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
24h 27m1 stop Denver Intl
$690United Airlines
Mon, Mar 22 - Fri, Mar 26
United Airlines Logo
6:55 pm - 5:54 pmBOI  Boise Air Term. Gowen Fld-SUX Sioux City Sioux Gateway
21h 59m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
6:46 pm - 9:15 pmSUX  Sioux City Sioux Gateway-BOI Boise Air Term. Gowen Fld
27h 29m2 stops Denver Intl San Francisco
$827United Airlines
Booking Insights

Price, demand and travel trends for Boise to Sioux City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boise to Sioux City?

Round-trip flights from Boise to Sioux City typically range from $566 to $941. The lowest price found in the past 5 days was $484, on United Airlines.

Key details for Boise to Sioux City flights

Cheapest flight

$484
Round-trip flight from Boise to Sioux City

When to book flights from Boise to Sioux City

Are your dates flexible? Find out the best times to travel from Boise to Sioux City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Sioux City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boise to Sioux City?

    Only Economy Class is available on flights from Boise to Sioux City.

  • Do I need a passport to fly from Boise to Sioux City?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Boise to Sioux City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $484 to $891. That means the highest observed fare was about 84% higher than the lowest one.

  • What car rental options are available at Sioux City Sioux Gateway Airport (SUX)?

    Sioux City Sioux Gateway Airport (SUX) hosts 5 major car rental companies, with daily rates averaging $81 for economy cars. Top options include:

    • Alamo
    • Enterprise Rent-A-Car
    • Hertz
    • Avis
    • National

  • Which airports can I use when flying from Boise to Sioux City?

    Flights from Boise to Sioux City usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Sioux City Sioux Gateway (SUX).

  • Which airports do connecting flights from Boise to Sioux City pass through?

    Most connecting flights from Boise to Sioux City pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Boise to Sioux City?

    Yes. Flexible dates can save you up to 55% on flights from Boise to Sioux City. Saturday is the cheapest departure day at $428 round-trip on average, while Tuesday is the most expensive at $941, a difference of $513.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Boise and Sioux City?

    Sioux City is 1 hour ahead of Boise (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boise to Sioux City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Tuesday. On this route, Saturday flights average $428, about $513 less than Tuesday fares (55% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sioux City Sioux Gateway Airport.

    • Sioux City Inn

More options for your flight from Boise to Sioux City

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