Sioux Falls

$117+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Aug 4 — Aug 111
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Cheap 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 July 30, 2025.

Round-trip from

$217
(Trip.com)

One-way from

$117
(FlightHub)

Popular in

December

Cheapest in

June

Average price

$385
From Idaho to Sioux Falls Joe Foss Field
One-way flight from Idaho to Sioux Falls Joe Foss Field
Highest demand for flights based on searches. 15% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find 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 July 30, 2025.

This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:16 pmBOI - FSD
1 stop20h 07mMultiple Airlines
Mon 9/812:43 pmFSD - BOI
1 stop8h 38mMultiple Airlines
Deal found 7/28$217
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/153:05 pmGEG - FSD
1 stop6h 38mAmerican Airlines
Wed 11/195:30 amFSD - GEG
1 stop9h 02mAmerican Airlines
Deal found 7/29$251
This Delta deal was found by Cheapflights users on 7/29. 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 11/195:15 amFSD - GEG
2 stops8h 50mDelta
Deal found 7/29$256
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/41:38 pmBOI - FSD
1 stop6h 45mAmerican Airlines
Sun 9/76:00 amFSD - BOI
1 stop7h 27mAmerican Airlines
Deal found 7/29$274
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/125:42 pmBOI - FSD
1 stop4h 24mUnited Airlines
Sat 8/165:10 pmFSD - BOI
1 stop5h 24mUnited Airlines
Deal found 7/28$289
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/25:15 amGEG - FSD
1 stop6h 05mUnited Airlines
Mon 8/411:55 amFSD - GEG
1 stop7h 28mUnited Airlines
Deal found 7/30$389
This Delta deal was found by Cheapflights users on 7/28. 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 8/1212:45 pmBOI - FSD
2 stops9h 59mDelta
Sat 8/1610:59 amFSD - BOI
2 stops9h 06mDelta
Deal found 7/28$513

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 July 30, 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

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Thu 9/4

2:16 pm-11:23 am

1 stop20h 07m

Sioux Falls Joe Foss Field

Mon 9/8

12:43 pm-8:21 pm

1 stop8h 38m

$217

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

3:05 pm-11:43 pm

1 stop6h 38m

Sioux Falls Joe Foss Field

Wed 11/19

5:30 am-12:32 pm

1 stop9h 02m

$251

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

5:15 am-12:05 pm

2 stops8h 50m

$256

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Thu 9/4

1:38 pm-9:23 pm

1 stop6h 45m

Sioux Falls Joe Foss Field

Sun 9/7

6:00 am-12:27 pm

1 stop7h 27m

$274

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Tue 8/12

5:42 pm-11:06 pm

1 stop4h 24m

Sioux Falls Joe Foss Field

Sat 8/16

5:10 pm-9:34 pm

1 stop5h 24m

$289

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Tue 8/12

12:45 pm-11:44 pm

2 stops9h 59m

Sioux Falls Joe Foss Field

Sat 8/16

10:59 am-7:05 pm

2 stops9h 06m

$513

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sun 9/14

12:22 pm-2:09 pm

1 stop24h 47m

$117

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Wed 8/13

6:50 am-1:50 pm

1 stop5h 00m

$338

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sun 9/14

7:45 am-11:40 pm

2 stops38h 55m

$431

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Wed 8/13

3:28 pm-10:42 am

2 stops17h 14m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, September is the cheapest month in which you can book a flight from Idaho to Sioux Falls (average of $334). Flying from Idaho 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.

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 30, 2025.
Read through reviews of airlines operating flights from Idaho to Sioux Falls, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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 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.

  • What are the cheapest airlines to fly from Idaho to Sioux Falls one-way?

    One-way options have recently been found by users for as low as $117 on Frontier. Other airlines that offer cheap prices include Delta from $338 and United Airlines from $431 one-way.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Sioux Falls (average of $334). Flying from Idaho 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

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Alternative routes for Idaho to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Idaho to Sioux Falls

Discover the top 2 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$384FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$329FlexibilityNo cancel feeOn-timeN/A

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