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Sioux Falls

$154+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$154
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$376
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. 22% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:52 amGEG - FSD
1 stop8h 59mAmerican Airlines
Wed 11/195:36 amFSD - GEG
1 stop9h 23mAmerican Airlines
Deal found 7/3$251
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 8/286:50 amGEG - FSD
1 stop5h 00mDelta
Tue 9/26:04 pmFSD - GEG
1 stop7h 44mDelta
Deal found 7/1$255
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:45 pmGEG - FSD
2 stops8h 59mUnited Airlines
Wed 11/191:47 pmFSD - GEG
2 stops11h 42mUnited Airlines
Deal found 7/2$349
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:31 amGEG - FSD
1 stop6h 55mMultiple Airlines
Sat 8/166:59 pmFSD - GEG
3 stops22h 54mMultiple Airlines
Deal found 7/1$437
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:42 pmGEG - FSD
2 stops19h 46mAlaska Airlines
Sat 8/912:19 pmFSD - GEG
2 stops13h 40mAlaska Airlines
Deal found 7/3$969

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 July 3, 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

Sat 11/15

5:52 am-4:51 pm

1 stop8h 59m

Sioux Falls Joe Foss Field

Wed 11/19

5:36 am-12:59 pm

1 stop9h 23m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 8/28

6:50 am-1:50 pm

1 stop5h 00m

Sioux Falls Joe Foss Field

Tue 9/2

6:04 pm-11:48 pm

1 stop7h 44m

$255

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

12:45 pm-11:44 pm

2 stops8h 59m

Sioux Falls Joe Foss Field

Wed 11/19

1:47 pm-11:29 pm

2 stops11h 42m

$349

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 8/15

11:31 am-8:26 pm

1 stop6h 55m

Sioux Falls Joe Foss Field

Sat 8/16

6:59 pm-3:53 pm

3 stops22h 54m

$437

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sun 8/3

7:42 pm-5:28 pm

2 stops19h 46m

Sioux Falls Joe Foss Field

Sat 8/9

12:19 pm-11:59 pm

2 stops13h 40m

$969

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 8/28

11:52 am-1:23 pm

1 stop23h 31m

$154

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Tue 7/22

7:42 pm-12:52 pm

2 stops15h 10m

$223

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Tue 7/22

6:25 pm-10:42 am

1 stop14h 17m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

What is the cheapest time of day to fly from GEG to FSD?

Find hourly flight availability from Spokane to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Spokane to Sioux Falls at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the afternoon.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Frontier
5.9
Fair
3,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

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

    American Airlines, at $251, was found to be the cheapest airline from Spokane to Sioux Falls.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is priced at 38% 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$456FlexibilityNo cancel feeOn-time69%

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