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Sioux Falls

$225+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$225
(Delta)

Popular in

December

Cheapest in

August

Average price

$423
From Spokane to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 23% potential increase in price ($120 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 September 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 10/2812:51 pmGEG - FSD
1 stop8h 05mDelta
Fri 10/311:35 pmFSD - GEG
1 stop8h 11mDelta
Deal found 9/14$225
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/299:22 amGEG - FSD
2 stops11h 35mDelta
Fri 10/318:01 amFSD - GEG
1 stop7h 04mDelta
Deal found 9/14$230
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/151:14 pmGEG - FSD
1 stop8h 45mAmerican Airlines
Wed 11/198:05 amFSD - GEG
1 stop8h 03mAmerican Airlines
Deal found 9/15$251
This Delta deal was found by Cheapflights users on 9/15. 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 10/116:00 amGEG - FSD
2 stops11h 19mDelta
Sat 10/258:01 amFSD - GEG
1 stop7h 04mDelta
Deal found 9/15$256
This Delta deal was found by Cheapflights users on 9/14. 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 10/302:17 pmGEG - FSD
1 stop6h 40mDelta
Tue 11/45:20 amFSD - GEG
2 stops8h 41mDelta
Deal found 9/14$260
This Delta deal was found by Cheapflights users on 9/14. 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 11/61:10 pmGEG - FSD
2 stops7h 47mDelta
Wed 11/125:18 amFSD - GEG
2 stops8h 45mDelta
Deal found 9/14$265
This Delta deal was found by Cheapflights users on 9/14. 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 10/285:45 amGEG - FSD
1 stop7h 59mDelta
Tue 11/48:01 amFSD - GEG
1 stop7h 04mDelta
Deal found 9/14$270
This Delta deal was found by Cheapflights users on 9/14. 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 10/315:45 amGEG - FSD
1 stop7h 59mDelta
Tue 11/45:20 amFSD - GEG
2 stops8h 41mDelta
Deal found 9/14$275
This Delta deal was found by Cheapflights users on 9/14. 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 10/302:17 pmGEG - FSD
1 stop6h 40mDelta
Mon 11/35:20 amFSD - GEG
2 stops9h 15mDelta
Deal found 9/14$279

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 September 17, 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

Wed 10/29

2:17 pm-10:57 pm

1 stop6h 40m

Sioux Falls Joe Foss Field

Fri 10/31

1:35 pm-7:46 pm

1 stop8h 11m

$225

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

1:14 pm-11:59 pm

1 stop8h 45m

Sioux Falls Joe Foss Field

Wed 11/19

8:05 am-2:08 pm

1 stop8h 03m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 10/11

6:00 am-7:19 pm

2 stops11h 19m

Sioux Falls Joe Foss Field

Sat 10/25

8:01 am-1:05 pm

1 stop7h 04m

$256

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/8

5:05 am-7:19 pm

2 stops12h 14m

Sioux Falls Joe Foss Field

Tue 11/11

5:18 am-12:03 pm

2 stops8h 45m

$261

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/1

6:10 am-7:19 pm

2 stops11h 09m

Sioux Falls Joe Foss Field

Tue 11/4

5:20 am-12:35 pm

2 stops9h 15m

$261

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Tue 10/28

7:15 am-7:16 pm

2 stops10h 01m

Sioux Falls Joe Foss Field

Fri 10/31

8:01 am-1:05 pm

1 stop7h 04m

$264

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 11/6

1:10 pm-10:57 pm

2 stops7h 47m

Sioux Falls Joe Foss Field

Wed 11/12

5:18 am-12:03 pm

2 stops8h 45m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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.

How much does it cost to fly round-trip from Spokane to Sioux Falls?

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 17, 2025.
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.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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?

    Delta and American Airlines can get you from Spokane to Sioux Falls in just under 6h 40m. Your travel time can differ by up to 2h 05m. 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 $204, was found to be the cheapest airline from Spokane to Sioux Falls. An alternate airline flying to your destination would be United Airlines. Delta is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • 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

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$204Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$458FlexibilityNo cancel feeOn-time69%

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