HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$536+ Cheap flights from Spokane to Sioux City (GEG - 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.
GEG — SUX
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spokane to Sioux City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Spokane to Sioux City

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

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/13:54 pm
GEG
-
SUX
1 stop17h 01m
United Airlines
Sat 9/511:30 am
SUX
-
GEG
1 stop5h 41m
United Airlines
Deal found 6/10$536
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Tue 10/271:45 pm
GEG
-
SUX
2 stops26h 09m
United Airlines
Sat 10/319:03 am
SUX
-
GEG
2 stops14h 06m
United Airlines
Deal found 6/7$602

Find flight deals from Spokane to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590
(United Airlines)
Provider with most accurate pricing for Spokane-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Spokane-Sioux City Sioux Gateway flights.
Search Deals
From Spokane to Sioux City Sioux Gateway
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 11, 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 - SUX

GEGSUX

Spokane

Tue 9/1

3:54 pm-10:55 am

1 stop17h 01m

Sioux City Sioux Gateway

Sat 9/5

11:30 am-3:11 pm

1 stop5h 41m

$536

SpokaneSioux City

GEG - SUX

GEGSUX

Spokane

Tue 10/27

1:45 pm-5:54 pm

2 stops26h 09m

Sioux City Sioux Gateway

Sat 10/31

9:03 am-9:09 pm

2 stops14h 06m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Sorted by cheapest first

Compare providers for flights from Spokane 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 Spokane to Sioux City in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Spokane-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Sioux City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Spokane-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 Spokane-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 Spokane to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Spokane 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.

Related info for your journey

Find useful and relevant information for your journey from Spokane 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 Spokane to Sioux City?

    Departing from Spokane to Sioux City will take you 26h 09m. The distance between Spokane and Sioux City is about 1089 mi.

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

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

  • How can I find direct flights from Spokane to Sioux City?

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

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

    Yes. Cheapflights offers flight deals from Spokane 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.