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Cheap flights from Boise to Sioux City from $408

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Sioux City departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boise to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 10:55 am
BOI
-
SUX
4h 55m
1 stop
United Airlines Logo
6:30 pm - 10:32 pm
SUX
-
BOI
5h 02m
1 stop
$414United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
5:44 pm - 11:46 pm
BOI
-
SUX
5h 02m
1 stop
United Airlines Logo
11:32 am - 11:50 pm
SUX
-
BOI
13h 18m
2 stops
$424United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
11:46 am - 11:46 pm
BOI
-
SUX
11h 00m
2 stops
United Airlines Logo
11:32 am - 7:27 pm
SUX
-
BOI
8h 55m
2 stops
$429United Airlines
Tue, Aug 25 - Sat, Aug 29

United Airlines flights from Boise to Sioux City

Our best United Airlines deals on Boise to Sioux City flight tickets
United Airlines
Aug 25
BOI5:00 amBoise Air Term. Gowen Fld
4h 55m
1 stop
SUX10:55 amSioux City Sioux Gateway
Aug 29
SUX11:32 amSioux City Sioux Gateway
7h 21m
1 stop
BOI5:53 pmBoise Air Term. Gowen Fld
$414
United Airlines
Aug 25
BOI5:44 pmBoise Air Term. Gowen Fld
5h 02m
1 stop
SUX11:46 pmSioux City Sioux Gateway
Aug 29
SUX11:32 amSioux City Sioux Gateway
10h 47m
2 stops
BOI9:19 pmBoise Air Term. Gowen Fld
$424
United Airlines
Aug 25
BOI11:46 amBoise Air Term. Gowen Fld
11h 00m
2 stops
SUX11:46 pmSioux City Sioux Gateway
Aug 29
SUX11:32 amSioux City Sioux Gateway
8h 55m
2 stops
BOI7:27 pmBoise Air Term. Gowen Fld
$429

momondo 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, momondo users made 832,500 searches. Data last updated May 2, 2026.
Use the filters below to find and compare flights from Boise to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Tue 8/25

5:00 am-10:55 am

1 stop4h 55m

Sioux City Sioux Gateway

Sat 8/29

6:30 pm-10:32 pm

1 stop5h 02m

$414

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Tue 8/25

5:44 pm-11:46 pm

1 stop5h 02m

Sioux City Sioux Gateway

Sat 8/29

11:32 am-11:50 pm

2 stops13h 18m

$424

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Tue 8/25

11:46 am-11:46 pm

2 stops11h 00m

Sioux City Sioux Gateway

Sat 8/29

11:32 am-7:27 pm

2 stops8h 55m

$429
Cheapest one-way
Quickest one-way

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Sat 5/16

5:29 pm-10:41 am

1 stop16h 12m

$408

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Sat 5/16

12:30 pm-10:41 am

2 stops21h 11m

$451

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Thu 5/7

6:30 am-10:41 am

1 stop27h 11m

$552

BoiseSioux City

BOI - SUX

BOISUX

Boise Air Term. Gowen Fld

Thu 5/7

8:28 am-10:41 am

2 stops25h 13m

$561

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sioux City from

How to get the cheapest flight ticket from Boise to Sioux City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Boise Air Term. Gowen Fld to Sioux City Sioux Gateway

What airlines fly to Sioux City?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Sioux City from Boise according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 4 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

When to book flights from Boise to Sioux City

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Sioux City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Sioux City (BOI to SUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Sioux City

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Boise to Sioux City takes 4h 55m
There are no direct flights from Boise to Sioux City. There are no popular flight routes from Boise to Sioux City.
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Frequently asked questions about flying from Boise to Sioux City

  • How far is Boise Air Term. Gowen Fld to Sioux City Sioux Gateway by plane?

    Boise Air Term. Gowen Fld and Sioux City Sioux Gateway are 999.6 mi apart from one another. Flights usually cover this in 4h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Sioux City Sioux Gateway Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The necessary travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to Sioux City?

Best airlines flying from Boise to Sioux City

Compare and see reviews for airlines that fly from Boise to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Sioux City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Sioux City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to Sioux City with flexible booking policies on momondo?

All flight searches from Boise to Sioux City on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boise to Sioux City?

momondo provides multiple filters to help you find the best flight to Sioux City from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boise to Sioux City right now. Can momondo alert me if prices change?

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