$217+ Cheap flights from Spokane to Sioux Falls (GEG - FSD)
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from Spokane to Sioux Falls 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 Falls
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Cheapest flights from Spokane to Sioux FallsExplore the most affordable flight options available from Spokane to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Spokane to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/204:08 pm -
1 stop5h 36m
Tue 10/275:06 pm -
1 stop6h 05m
Deal found 9/1![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:25 pm -
2 stops7h 57m
Tue 10/278:30 am -
2 stops10h 28m
Deal found 9/1![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/5![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:53 pm -
1 stop8h 00m
Wed 9/2312:56 pm -
1 stop9h 29m
Deal found 9/4![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
2 stops12h 49m
Mon 10/58:23 am -
1 stop7h 05m
Deal found 9/4![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:53 pm -
1 stop8h 00m
Sat 9/1212:56 pm -
1 stop9h 25m
Deal found 8/31![American Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/103:54 pm -
1 stop5h 50m
Sat 9/129:35 am -
2 stops11h 41m
Deal found 8/31![United Airlines logo]()
$418
Best flights from Spokane to Sioux FallsDiscover carefully curated flight deals from Spokane to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Spokane to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/3![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/174:08 pm -
1 stop5h 36m
Wed 10/219:42 am -
1 stop4h 54m
Deal found 8/31![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:45 pm -
1 stop7h 11m
Mon 10/196:20 am -
1 stop7h 39m
Deal found 9/2![American Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
2 stops12h 49m
Mon 10/58:23 am -
1 stop7h 05m
Deal found 9/4![Delta logo]()
$409
Last-minute flights from Spokane to Sioux FallsDiscover last-minute flight deals from Spokane to Sioux Falls. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Spokane to Sioux Falls. Data last updated September 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:53 pm -
1 stop8h 00m
Sat 9/1212:56 pm -
1 stop9h 25m
Deal found 8/31![American Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/103:54 pm -
1 stop5h 50m
Sat 9/129:35 am -
2 stops11h 41m
Deal found 8/31![United Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:53 pm -
1 stop8h 00m
Wed 9/2312:56 pm -
1 stop9h 29m
Deal found 9/4![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
2 stops12h 49m
Mon 10/58:23 am -
1 stop7h 05m
Deal found 9/4![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/204:08 pm -
1 stop5h 36m
Tue 10/275:06 pm -
1 stop6h 05m
Deal found 9/1![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:25 pm -
2 stops7h 57m
Tue 10/278:30 am -
2 stops10h 28m
Deal found 9/1![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/5![Delta logo]()
$349
One-way flights from Spokane to Sioux FallsSearch for one-way flight options from Spokane to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Spokane to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:17 pm -
1 stop15h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$217
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/244:08 pm -
1 stop5h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:25 pm -
2 stops7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Delta logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:09 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Allegiant Air logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:09 am -
2 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 9/215:00 am -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:25 pm -
2 stops7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:41 pm -
3 stops42h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:52 am -
3 stops14h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$746
Find flight deals from Spokane to Sioux Falls
Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to Sioux Falls (FSD). 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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $217 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $370 |
Cheapflights Fare Finder
Customize your flight search to find flights from Spokane to Sioux Falls 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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from Spokane to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Fri 10/16
6:17 pm-12:08 pm
1 stop15h 51m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$217
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Sat 10/24
5:00 am-12:49 pm
1 stop5h 49m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$309
Quickest round-trip
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Mon 9/21
5:00 am-12:39 pm
1 stop5h 39m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$309
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Mon 9/21
7:30 pm-10:19 am
2 stops12h 49m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$314
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Sat 10/24
1:25 pm-11:03 pm
2 stops7h 38m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$314
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Thu 9/17
10:09 am-9:12 pm
1 stop9h 03m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$349
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Fri 10/23
1:54 pm-11:22 pm
1 stop7h 28m
Sioux Falls Joe Foss Field
Tue 11/10
8:31 am-12:06 pm
1 stop5h 35m
$354
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Mon 9/21
2:19 pm-12:29 am
1 stop8h 10m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$384
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Thu 10/1
7:30 pm-10:19 am
2 stops12h 49m
Sioux Falls Joe Foss Field
Mon 10/5
8:23 am-1:28 pm
1 stop7h 05m
$409
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Sat 10/17
4:08 pm-11:44 pm
1 stop5h 36m
Sioux Falls Joe Foss Field
Wed 10/21
9:42 am-12:36 pm
1 stop4h 54m
$461
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Spokane to Sioux Falls
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 Falls in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Spokane-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Spokane-Sioux Falls 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 Falls 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 Falls
Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Spokane with our price prediction graph.
GEG-FSD
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 Spokane to Sioux Falls
What is the cheapest month to book a flight from Spokane to Sioux Falls?
Currently, April is the cheapest month in which you can book a flight from Spokane to Sioux Falls (average of $290). Flying from Spokane to Sioux Falls in August is currently the most expensive (average of $564). 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.
How much does it cost to fly round-trip from Spokane to Sioux Falls?
Airfare is typical for this route at the moment.
Spokane to Sioux Falls flights typically cost between $328 and $490 in October.The cheapest round-trip price found within the last 5 days was $329 on United Airlines (Oct 20-Oct 27).
Reviews of airlines servicing Sioux Falls
Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated September 5, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Spokane to Sioux Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Spokane to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsMarshall
Yankton
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Spokane and Sioux Falls flights
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Top 2 airlines flying from Spokane to Sioux Falls
Discover the top 2 airlines that operate flights from Spokane to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$412 | FlexibilityNo cancel fee | On-time69% |