HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux Falls

$349+ Cheap flights from Spokane to Sioux Falls (GEG - FSD)

GEG — FSD
Nov 21 — Nov 281
Sat 11/21
Sat 11/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spokane to Sioux Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Spokane to Sioux Falls

Cheapest flights from Spokane to Sioux Falls

Wed 12/91:49 pm -
1 stop4h 44m
Sat 12/125:07 pm -
1 stop6h 18m
Deal found 10/17$349
Wed 12/96:00 am -
1 stop9h 27m
Sat 12/126:00 am -
1 stop8h 10m
Deal found 10/18$374
Wed 11/41:54 pm -
1 stop7h 28m
Sun 11/88:30 am -
1 stop5h 45m
Deal found 10/20$399
Fri 10/232:45 pm -
1 stop7h 11m
Tue 11/106:00 am -
2 stops12h 39m
Deal found 10/18$434
Fri 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 10/21$439
Mon 10/265:00 am -
1 stop5h 35m
Wed 11/46:00 am -
1 stop8h 29m
Deal found 10/18$444
Fri 11/134:10 pm -
1 stop5h 34m
Mon 11/169:32 am -
1 stop5h 15m
Deal found 10/19$453

Find flight deals from Spokane to Sioux Falls

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(United Airlines)

Popular in

October

Cheapest in

April

Average price

$603
Provider with most accurate pricing for Spokane-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Spokane-Sioux Falls Joe Foss Field flights.
Search Deals
From Spokane to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Spokane to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneSioux Falls

GEG Spokane - FSD Sioux Falls Joe Foss Field

GEGFSD

Spokane

Wed 12/9

1:49 pm-8:33 pm

1 stop4h 44m

Sioux Falls Joe Foss Field

Sat 12/12

5:07 pm-9:25 pm

1 stop6h 18m

$349
Quickest round-trip

SpokaneSioux Falls

GEG Spokane - FSD Sioux Falls Joe Foss Field

GEGFSD

Spokane

Fri 1/29

2:05 pm-9:13 pm

1 stop5h 08m

Sioux Falls Joe Foss Field

Mon 2/1

8:15 am-11:44 am

1 stop5h 29m

$349

SpokaneSioux Falls

GEG Spokane - FSD Sioux Falls Joe Foss Field

GEGFSD

Spokane

Wed 12/9

6:00 am-5:27 pm

1 stop9h 27m

Sioux Falls Joe Foss Field

Sat 12/12

6:00 am-12:10 pm

1 stop8h 10m

$374

SpokaneSioux Falls

GEG Spokane - FSD Sioux Falls Joe Foss Field

GEGFSD

Spokane

Sat 1/30

7:05 am-6:38 pm

1 stop9h 33m

Sioux Falls Joe Foss Field

Wed 2/3

5:13 pm-9:06 pm

1 stop5h 53m

$459

SpokaneSioux Falls

GEG Spokane - FSD Sioux Falls Joe Foss Field

GEGFSD

Spokane

Fri 1/29

1:47 pm-11:44 pm

1 stop7h 57m

Sioux Falls Joe Foss Field

Mon 2/1

7:30 am-5:25 pm

2 stops11h 55m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Sorted by cheapest first

Compare providers for flights from Spokane to Sioux Falls

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub the most. FlightHub 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

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, April is the cheapest month in which you can book a flight from Spokane to Sioux Falls (average of $290). Flying from Spokane to Sioux Falls in October is currently the most expensive (average of $603). 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?

Airfare is below average for this route at the moment.

Spokane to Sioux Falls flights typically cost between $370 and $524 in January.
The cheapest round-trip price found within the last 5 days was $349 on United Airlines (Jan 21-Jan 24).

Reviews of airlines servicing Sioux Falls

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
7.8
Good
8,662 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,662 reviews
Delta
7.8
Good
8,662 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.3
Good
10,405 reviews
Delta
7.8
Good
8,662 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

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

    United Airlines, Delta, and American Airlines can get you from Spokane to Sioux Falls in just under 4h 44m. Your travel time can differ by up to 4h 43m. 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 $209, 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, April is the cheapest month in which you can book a flight from Spokane to Sioux Falls (average of $290). Flying from Spokane to Sioux Falls in October is currently the most expensive (average of $603). 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
Yankton
Marshall

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Spokane to Sioux Falls

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$412FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.