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Sioux City

$334+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SUX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Boise to Sioux City

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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2310:15 amBOI - SUX
2 stops12h 32mUnited Airlines
Tue 1/276:00 amSUX - BOI
1 stop5h 06mUnited Airlines
Deal found 12/9$334
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/85:16 pmBOI - SUX
1 stop16h 39mUnited Airlines
Thu 1/156:00 amSUX - BOI
1 stop5h 06mUnited Airlines
Deal found 12/10$437

Find flight deals from Boise to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(United Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Sioux City Sioux Gateway flights.
Search Deals
From Boise Air Term. Gowen Fld to Sioux City Sioux Gateway
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Boise to Sioux City that are best for you.

Fly from

Boise

Fly to

Sioux City

Route

Depart

Return

Price

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Fri 1/23

10:15 am-11:47 pm

2 stops12h 32m

Sioux City Sioux Gateway

Tue 1/27

6:00 am-10:06 am

1 stop5h 06m

$334

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Thu 1/8

5:16 pm-10:55 am

1 stop16h 39m

Sioux City Sioux Gateway

Thu 1/15

6:00 am-10:06 am

1 stop5h 06m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Boise to Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Sioux City in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Sioux City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Sioux City flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Sioux City

What is the cheapest month to book a flight from Boise to Sioux City?

Currently, February is the cheapest month in which you can book a flight from Boise to Sioux City (average of $132). Flying from Boise to Sioux City in July is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

    A quick flight from Boise to Sioux City can take about 12h 32m. United Airlines provides one of the quickest options available for as low as $334. 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.

  • What is the cheapest month to book a flight from Boise to Sioux City?

    Currently, February is the cheapest month in which you can book a flight from Boise to Sioux City (average of $132). Flying from Boise to Sioux City in July is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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