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$251+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — FSD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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1. Tell us where you want to go

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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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)

Popular in

December

Cheapest in

September

Average price

$304
Provider with most accurate pricing for Spokane-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Spokane-Sioux Falls Joe Foss Field flights.
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From Spokane to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 19% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/13. 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 6/142:22 pmGEG - FSD
1 stop7h 22mDelta
Tue 6/246:05 pmFSD - GEG
1 stop7h 06mDelta
Deal found 4/13$251
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:39 pmGEG - FSD
1 stop8h 20mAmerican Airlines
Sun 8/241:45 pmFSD - GEG
1 stop8h 42mAmerican Airlines
Deal found 4/14$304
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:14 amGEG - FSD
1 stop5h 24mUnited Airlines
Sat 5/39:23 amFSD - GEG
1 stop5h 15mUnited Airlines
Deal found 4/14$335

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 April 15, 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 6/14

2:22 pm-11:44 pm

1 stop7h 22m

Sioux Falls Joe Foss Field

Tue 6/24

6:05 pm-11:11 pm

1 stop7h 06m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Tue 4/29

5:14 am-12:38 pm

1 stop5h 24m

Sioux Falls Joe Foss Field

Sat 5/3

9:23 am-12:38 pm

1 stop5h 15m

$335

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 6/19

1:51 pm-11:58 pm

1 stop8h 07m

Sioux Falls Joe Foss Field

Wed 6/25

5:16 pm-11:20 pm

1 stop8h 04m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 eDreams the most. eDreams 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.
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 April 15, 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 April 15, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

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
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

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
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

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
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

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
9,876 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

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?

    Delta, at $259, was found to be the cheapest airline from Spokane to Sioux Falls.Alternate airlines to your destination round-trip include American Airlines and Alaska 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

Traveling to a place near Spokane?

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$300Average$459FlexibilityNo cancel feeOn-time69%

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