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Cheap flights from Spokane to Sioux City from $486

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to Sioux City departing on 1/23. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Spokane to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:00 pm - 11:42 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
9:03 am - 9:09 pmSUX  Sioux City Sioux Gateway-GEG Spokane
14h 06m2 stops Chicago O'Hare Intl Denver Intl
$486United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:00 pm - 11:42 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
9:03 am - 9:09 pmSUX  Sioux City Sioux Gateway-GEG Spokane
14h 06m2 stops Chicago O'Hare Intl Denver Intl
$490United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:00 pm - 11:42 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
6:46 pm - 12:40 pmSUX  Sioux City Sioux Gateway-GEG Spokane
19h 54m1 stop Denver Intl
$491United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
3:54 pm - 11:43 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 49m1 stop Denver Intl
United Airlines Logo
6:35 pm - 3:06 pmSUX  Sioux City Sioux Gateway-GEG Spokane
22h 31m1 stop Denver Intl
$495United Airlines
Fri, Sep 11 - Fri, Sep 18
United Airlines Logo
4:00 pm - 11:42 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
6:46 pm - 12:40 pmSUX  Sioux City Sioux Gateway-GEG Spokane
19h 54m1 stop Denver Intl
$502United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:00 pm - 11:42 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 42m1 stop Denver Intl
United Airlines Logo
9:03 am - 9:09 pmSUX  Sioux City Sioux Gateway-GEG Spokane
14h 06m2 stops Chicago O'Hare Intl Denver Intl
$539United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
3:54 pm - 11:43 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 49m1 stop Denver Intl
United Airlines Logo
6:35 pm - 7:16 pmSUX  Sioux City Sioux Gateway-GEG Spokane
26h 41m2 stops Denver Intl San Francisco
$548United Airlines
Fri, Sep 11 - Fri, Sep 18
United Airlines Logo
3:54 pm - 11:43 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 49m1 stop Denver Intl
United Airlines Logo
6:35 pm - 6:51 pmSUX  Sioux City Sioux Gateway-GEG Spokane
26h 16m2 stops Denver Intl San Francisco
$567United Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
5:00 am - 5:54 pmGEG  Spokane-SUX Sioux City Sioux Gateway
10h 54m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
9:03 am - 9:09 pmSUX  Sioux City Sioux Gateway-GEG Spokane
14h 06m2 stops Chicago O'Hare Intl Denver Intl
$571United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
3:54 pm - 11:43 pmGEG  Spokane-SUX Sioux City Sioux Gateway
5h 49m1 stop Denver Intl
United Airlines Logo
6:35 pm - 3:06 pmSUX  Sioux City Sioux Gateway-GEG Spokane
22h 31m1 stop Denver Intl
$577United Airlines
Thu, Sep 10 - Tue, Sep 15

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United Airlines flights from Spokane to Sioux City

Our best United Airlines deals on Spokane to Sioux City flight tickets
United Airlines
Jan 23
GEG4:00 pmSpokane
5h 42m
1 stop
SUX11:42 pmSioux City Sioux Gateway
Jan 27
SUX9:03 amSioux City Sioux Gateway
14h 06m
2 stops
GEG9:09 pmSpokane
$486
United Airlines
Jan 23
GEG4:00 pmSpokane
5h 42m
1 stop
SUX11:42 pmSioux City Sioux Gateway
Jan 27
SUX9:03 amSioux City Sioux Gateway
14h 06m
2 stops
GEG9:09 pmSpokane
$490
United Airlines
Jan 23
GEG4:00 pmSpokane
5h 42m
1 stop
SUX11:42 pmSioux City Sioux Gateway
Jan 27
SUX6:46 pmSioux City Sioux Gateway
19h 54m
1 stop
GEG12:40 pmSpokane
$491

momondo Fare Finder

 
Customize your flight search to find flights from Spokane 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 August 17, 2026.
Use the filters below to find and compare flights from Spokane to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

4:00 pm-11:42 pm

1 stop5h 42m

Sioux City Sioux Gateway

Wed 1/27

9:03 am-9:09 pm

2 stops14h 06m

$486

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

4:00 pm-11:42 pm

1 stop5h 42m

Sioux City Sioux Gateway

Wed 1/27

9:03 am-9:09 pm

2 stops14h 06m

$490

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

4:00 pm-11:42 pm

1 stop5h 42m

Sioux City Sioux Gateway

Wed 1/27

6:46 pm-12:40 pm

1 stop19h 54m

$491

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Fri 9/11

3:54 pm-11:43 pm

1 stop5h 49m

Sioux City Sioux Gateway

Fri 9/18

6:35 pm-3:06 pm

1 stop22h 31m

$495

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

4:00 pm-11:42 pm

1 stop5h 42m

Sioux City Sioux Gateway

Wed 1/27

6:46 pm-12:40 pm

1 stop19h 54m

$502

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

4:00 pm-11:42 pm

1 stop5h 42m

Sioux City Sioux Gateway

Wed 1/27

9:03 am-9:09 pm

2 stops14h 06m

$539

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Fri 9/11

3:54 pm-11:43 pm

1 stop5h 49m

Sioux City Sioux Gateway

Fri 9/18

6:35 pm-7:16 pm

2 stops26h 41m

$548

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Thu 9/10

3:54 pm-11:43 pm

1 stop5h 49m

Sioux City Sioux Gateway

Tue 9/15

6:35 pm-6:51 pm

2 stops26h 16m

$567

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Sat 1/23

5:00 am-5:54 pm

2 stops10h 54m

Sioux City Sioux Gateway

Wed 1/27

9:03 am-9:09 pm

2 stops14h 06m

$571

SpokaneSioux City

GEG Spokane - SUX Sioux City Sioux Gateway

GEGSUX

Spokane

Thu 9/10

3:54 pm-11:43 pm

1 stop5h 49m

Sioux City Sioux Gateway

Tue 9/15

6:35 pm-3:06 pm

1 stop22h 31m

$577

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 Spokane 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 airlines fly to Sioux City?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Sioux City from Spokane according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 3 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 Spokane to Sioux City

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

Cheap Spokane to Sioux City (GEG to SUX) flight deals and tips

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

Best Price Found

$486

Fastest flight time

5h 42m

Direct flights

None
The best flight deal from Spokane to Sioux City found on momondo in the last 72 hours is $486
The fastest flight from Spokane to Sioux City takes 5h 42m
There are no direct flights from Spokane to Sioux City. There are no popular flight routes from Spokane to Sioux City.
Search flight deals

Frequently asked questions about flying from Spokane to Sioux City

  • How far is Spokane to Sioux City Sioux Gateway by plane?

    Spokane and Sioux City Sioux Gateway are 1081.3 mi apart from one another. Typically, this will take 5h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Spokane Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Spokane Airport to Sioux City Sioux Gateway Airport are updated daily.

  • How old do you have to be to fly from Spokane 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 Spokane Airport to Sioux City Sioux Gateway Airport.

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

    The travel and health documents you'll need for your trip to Sioux City Sioux Gateway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 Spokane to Sioux City?

It is quick and easy to find Spokane to Sioux City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sioux City that suits you.

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

Flights from Spokane to Sioux City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Spokane to Sioux City.

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

If you are simply researching potential flights to Sioux City, momondo offers a useful price alert feature which will track prices for flights to Sioux City from Spokane and alert you when they change.

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