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Sioux Falls

$238+ Cheap flights from Spokane to Sioux Falls (GEG - FSD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
août 23 — août 301
sam. 8/23
sam. 8/30
1 adult, Economy
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Cheap 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 août 18, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$238
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$378
From Spokane to Sioux Falls Joe Foss Field
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One-way flight from Spokane to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 25% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Spokane to Sioux Falls

Cheapest flights from Spokane to Sioux Falls
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 août 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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.
sam. 11/151:14 pmGEG - FSD
1 stop8h 45mAmerican Airlines
mer. 11/195:30 amFSD - GEG
1 stop9h 02mAmerican Airlines
Deal found 8/17$251
This Delta deal was found by Cheapflights users on 8/16. 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.
sam. 11/152:05 pmGEG - FSD
1 stop6h 44mDelta
mer. 11/195:15 amFSD - GEG
2 stops8h 50mDelta
Deal found 8/16$256
This Delta deal was found by Cheapflights users on 8/16. 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.
ven. 9/512:45 pmGEG - FSD
1 stop8h 21mDelta
dim. 9/75:00 amFSD - GEG
2 stops7h 34mDelta
Deal found 8/16$279
This American Airlines deal was found by Cheapflights users on 8/16. 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.
ven. 9/512:35 pmGEG - FSD
1 stop6h 48mAmerican Airlines
dim. 9/76:00 amFSD - GEG
1 stop8h 44mAmerican Airlines
Deal found 8/16$319
This American Airlines deal was found by Cheapflights users on 8/17. 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.
lun. 9/1512:35 pmGEG - FSD
1 stop6h 48mAmerican Airlines
jeu. 9/185:19 pmFSD - GEG
1 stop7h 16mAmerican Airlines
Deal found 8/17$541
This Delta deal was found by Cheapflights users on 8/17. 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.
lun. 9/157:25 pmGEG - FSD
2 stops12h 42mDelta
jeu. 9/185:46 pmFSD - GEG
1 stop8h 12mDelta
Deal found 8/17$604
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/228:51 pmGEG - FSD
2 stops12h 58mAlaska Airlines
jeu. 9/256:00 amFSD - GEG
2 stops12h 51mAlaska Airlines
Deal found 8/17$669
This Delta deal was found by Cheapflights users on 8/17. 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.
lun. 9/16:50 amGEG - FSD
1 stop5h 00mDelta
jeu. 9/46:04 pmFSD - GEG
1 stop7h 44mDelta
Deal found 8/17$727

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 2,558,603 searches. Data last updated août 18, 2025.
Use the filters below to find and compare flights from Spokane to Sioux Falls that are best for you.

Fly from

Spokane

Fly to

Sioux Falls

Route

Depart

Return

Price

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

sam. 11/15

1:14 pm-11:59 pm

1 stop8h 45m

Sioux Falls Joe Foss Field

mer. 11/19

5:30 am-12:32 pm

1 stop9h 02m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

sam. 11/15

2:05 pm-10:49 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

mer. 11/19

5:15 am-12:05 pm

2 stops8h 50m

$256

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

ven. 9/5

12:45 pm-11:06 pm

1 stop8h 21m

Sioux Falls Joe Foss Field

dim. 9/7

5:00 am-10:34 am

2 stops7h 34m

$279

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

ven. 9/5

12:35 pm-9:23 pm

1 stop6h 48m

Sioux Falls Joe Foss Field

dim. 9/7

6:00 am-12:44 pm

1 stop8h 44m

$319

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

lun. 9/15

12:35 pm-9:23 pm

1 stop6h 48m

Sioux Falls Joe Foss Field

jeu. 9/18

5:19 pm-10:35 pm

1 stop7h 16m

$541

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

lun. 9/22

6:00 am-4:46 pm

1 stop8h 46m

Sioux Falls Joe Foss Field

jeu. 9/25

5:19 pm-10:35 pm

1 stop7h 16m

$541

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

lun. 9/22

7:25 pm-10:07 am

2 stops12h 42m

Sioux Falls Joe Foss Field

jeu. 9/25

5:46 pm-11:58 pm

1 stop8h 12m

$604

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

lun. 8/25

10:41 am-8:16 pm

1 stop7h 35m

$238

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

ven. 9/5

12:35 pm-9:23 pm

1 stop6h 48m

$338

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

ven. 9/5

5:00 am-5:24 pm

2 stops10h 24m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 11 results
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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.
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, September is the cheapest month in which you can book a flight from Spokane to Sioux Falls (average of $334). Flying from Spokane to Sioux Falls in December is currently the most expensive (average of $446). 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.

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 août 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Spokane to Sioux Falls?

    American Airlines and Delta can get you from Spokane to Sioux Falls in just under 6h 44m. Your travel time can differ by up to 2h 01m. Airlines will cover a distance of 1039 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Spokane to Sioux Falls round-trip?

    Delta, at $208, was found to be the cheapest airline from Spokane to Sioux Falls.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Spokane to Sioux Falls one-way?

    One-way options have recently been found by users for as low as $238 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $338 and Delta from $343 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Spokane to Sioux Falls 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 Spokane to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Spokane to Sioux Falls (average of $334). Flying from Spokane to Sioux Falls in December is currently the most expensive (average of $446). 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.

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.

Top 3 airlines flying from Spokane to Sioux Falls

Discover the top 3 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 2,558,603 searches. Data last updated août 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$314FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$451FlexibilityNo cancel feeOn-time69%

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