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Sioux Falls

$150+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$251
(Delta)

One-way from

$150
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$458
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 ($116 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 11/152:05 pmGEG - FSD
1 stop6h 44mDelta
Wed 11/197:30 pmFSD - GEG
1 stop5h 40mDelta
Deal found 6/12$251
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:30 pmGEG - FSD
1 stop8h 31mAmerican Airlines
Sun 9/287:00 amFSD - GEG
1 stop7h 44mAmerican Airlines
Deal found 6/10$259
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.
Sat 11/155:10 amGEG - FSD
2 stops10h 27mUnited Airlines
Wed 11/198:00 amFSD - GEG
3 stops17h 29mUnited Airlines
Deal found 6/10$346

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 June 12, 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

2:05 pm-10:49 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

Wed 11/19

7:30 pm-11:10 pm

1 stop5h 40m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 9/25

1:30 pm-12:01 am

1 stop8h 31m

Sioux Falls Joe Foss Field

Sun 9/28

7:00 am-12:44 pm

1 stop7h 44m

$259

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

5:10 am-5:37 pm

2 stops10h 27m

Sioux Falls Joe Foss Field

Wed 11/19

8:00 am-11:29 pm

3 stops17h 29m

$346

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 7/25

9:58 am-9:04 pm

1 stop9h 06m

$150

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 7/25

5:06 am-6:37 pm

2 stops11h 31m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux Falls ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Sioux Falls when rainfall is around 0.6 in.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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.

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

    Delta, at $251, 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 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$300Average$458FlexibilityNo cancel feeOn-time69%

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