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Sioux Falls

$250+ Cheap flights from Idaho to Sioux Falls (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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Idaho to Sioux Falls

Cheapest flights from Idaho to Sioux Falls
Explore the most affordable flight options available from Idaho to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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 12/94:10 pmGEG - FSD
1 stop5h 33mUnited Airlines
Sat 12/135:21 pmFSD - GEG
1 stop5h 38mUnited Airlines
Deal found 12/8$419
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/251:47 pmGEG - FSD
1 stop8h 08mUnited Airlines
Wed 12/318:50 amFSD - GEG
1 stop8h 29mUnited Airlines
Deal found 12/9$469
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Tue 12/91:14 pmGEG - FSD
1 stop7h 15mAmerican Airlines
Sat 12/137:00 amFSD - GEG
1 stop7h 30mAmerican Airlines
Deal found 12/7$479
This Delta deal was found by Cheapflights users on 12/7. 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 12/92:15 pmGEG - FSD
1 stop6h 57mDelta
Sat 12/135:14 amFSD - GEG
2 stops8h 56mDelta
Deal found 12/7$504
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/231:47 pmGEG - FSD
1 stop8h 08mUnited Airlines
Tue 12/305:12 pmFSD - GEG
1 stop5h 46mUnited Airlines
Deal found 12/8$647

Find flight deals from Idaho to Sioux Falls

Keep the following information in mind while searching for Idaho to Sioux Falls flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$255
(United Airlines)

One-way from

$250
(Mytrip)

Popular in

January

Cheapest in

June

Average price

$398
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Sioux Falls Joe Foss Field flights.
Search Deals
From Idaho to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Idaho to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 December 9, 2025.
Use the filters below to find and compare flights from Idaho to Sioux Falls that are best for you.

Fly from

Idaho

Fly to

Sioux Falls

Route

Depart

Return

Price

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Wed 1/14

4:10 pm-11:44 pm

1 stop5h 34m

Sioux Falls Joe Foss Field

Mon 1/19

9:00 am-12:46 pm

1 stop5h 46m

$255

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Wed 1/14

1:20 pm-11:04 pm

2 stops7h 44m

Sioux Falls Joe Foss Field

Mon 1/19

8:03 am-1:03 pm

1 stop7h 00m

$260

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 1/23

12:19 pm-9:50 pm

1 stop8h 31m

Sioux Falls Joe Foss Field

Tue 1/27

9:00 am-1:35 pm

1 stop5h 35m

$325

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Thu 1/29

10:15 am-8:24 pm

2 stops9h 09m

Sioux Falls Joe Foss Field

Sat 1/31

9:00 am-1:35 pm

1 stop5h 35m

$330

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 1/10

4:10 pm-11:44 pm

1 stop5h 34m

Sioux Falls Joe Foss Field

Tue 1/13

9:00 am-12:46 pm

1 stop5h 46m

$331

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 12/25

5:05 am-12:50 pm

1 stop5h 45m

Sioux Falls Joe Foss Field

Wed 12/31

5:12 pm-8:58 pm

1 stop5h 46m

$469

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 12/12

10:37 am-7:46 pm

1 stop7h 09m

$250

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 12/15

10:41 pm-12:46 pm

2 stops37h 05m

$257

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 12/12

10:37 am-1:31 pm

2 stops48h 54m

$356

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 12/15

2:09 pm-11:32 pm

1 stop8h 23m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Best time to book a flight from Idaho to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Idaho 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 Idaho to Sioux Falls

What is the cheapest month to book a flight from Idaho to Sioux Falls?

Currently, February is the cheapest month in which you can book a flight from Idaho to Sioux Falls (average of $132). Flying from Idaho to Sioux Falls in July is currently the most expensive (average of $340). 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 Idaho to Sioux Falls?

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 airport do you fly into for flights to Sioux Falls from Idaho?

    If you book a flight to Sioux Falls from Idaho, you will be flying to Joe Foss Field, which is the city’s only airport. Sioux Falls Joe Foss Field (FSD) is located 2.6 mi from the center of Sioux Falls.

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

    For as low as $255, United Airlines can have you in Sioux Falls from Idaho in 5h 34m. Idaho and Sioux Falls are separated by a distance of 1039 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Idaho to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Sioux Falls.

  • Can I find deals for business class flights from Idaho to Sioux Falls?

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Sioux Falls?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Sioux Falls (average of $132). Flying from Idaho to Sioux Falls in July is currently the most expensive (average of $340). 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

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Alternative routes for Idaho to Sioux Falls

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Top 3 airlines flying from Idaho to Sioux Falls

Discover the top 3 airlines that operate flights from Idaho 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$320Average$449FlexibilityNo cancel feeOn-time69%

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