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South Dakota

$156+ Cheap flights from Boise (BOI) to South Dakota

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
oct. 16 — oct. 231
jeu. 10/16
jeu. 10/23
1 adult, Economy
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Cheap flight deals from Boise to South Dakota

Keep the following information in mind while searching for Boise to South Dakota flight deals. Data was last updated septembre 16, 2025.

Round-trip from

$251
(Delta)

One-way from

$156
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$368
From Boise Air Term. Gowen Fld to South Dakota
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One-way flight from Boise Air Term. Gowen Fld to South Dakota
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Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to South Dakota

Cheapest flights from Boise to South Dakota
Explore the most affordable flight options available from Boise to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
sam. 10/185:42 amBOI - FSD
1 stop6h 13mDelta
sam. 10/258:01 amFSD - BOI
1 stop7h 01mDelta
Deal found 9/15$251
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/305:00 amBOI - RAP
1 stop4h 10mUnited Airlines
sam. 10/47:00 amRAP - BOI
1 stop6h 33mUnited Airlines
Deal found 9/15$259
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/249:54 pmBOI - FSD
1 stop14h 15mAllegiant Air
dim. 10/268:42 pmFSD - BOI
1 stop18h 25mAllegiant Air
Deal found 9/15$311
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/2312:28 pmBOI - FSD
2 stops30h 33mMultiple Airlines
dim. 10/268:42 pmFSD - BOI
1 stop18h 25mMultiple Airlines
Deal found 9/15$324
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sam. 10/185:39 pmBOI - FSD
1 stop4h 36mUnited Airlines
sam. 10/256:00 amFSD - BOI
2 stops8h 30mUnited Airlines
Deal found 9/15$390
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/2412:28 pmBOI - FSD
1 stop5h 05mMultiple Airlines
dim. 10/2611:41 amFSD - BOI
2 stops33h 16mMultiple Airlines
Deal found 9/15$450
This United Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 10/135:00 amBOI - RAP
1 stop12h 00mUnited Airlines
mer. 10/225:30 amRAP - BOI
1 stop4h 23mUnited Airlines
Deal found 9/14$459
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/251:33 pmBOI - FSD
1 stop9h 26mAmerican Airlines
ven. 11/288:05 amFSD - BOI
1 stop6h 41mAmerican Airlines
Deal found 9/15$523
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/236:20 pmBOI - RAP
2 stops39h 23mMultiple Airlines
dim. 11/309:04 amRAP - BOI
1 stop29h 23mMultiple Airlines
Deal found 9/16$537
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jeu. 10/237:00 amBOI - FSD
1 stop26h 42mUnited Airlines
dim. 10/268:47 amFSD - BOI
1 stop13h 34mUnited Airlines
Deal found 9/15$706
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 11/253:00 pmBOI - FSD
1 stop7h 00mDelta
sam. 11/298:01 amFSD - BOI
1 stop7h 03mDelta
Deal found 9/15$739
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 11/253:00 pmBOI - FSD
1 stop7h 00mDelta
ven. 11/285:18 amFSD - BOI
2 stops7h 58mDelta
Deal found 9/15$744

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to South Dakota 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 septembre 16, 2025.
Use the filters below to find and compare flights from Boise to South Dakota that are best for you.

Fly from

Boise

Fly to

South Dakota

Route

Depart

Return

Price

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

sam. 10/18

5:42 am-12:55 pm

1 stop6h 13m

Sioux Falls Joe Foss Field

sam. 10/25

8:01 am-2:02 pm

1 stop7h 01m

$251

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

mar. 9/30

5:00 am-9:10 am

1 stop4h 10m

Rapid City

sam. 10/4

7:00 am-1:33 pm

1 stop6h 33m

$259

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

ven. 11/14

2:31 pm-8:26 pm

1 stop5h 55m

Rapid City

dim. 11/16

8:45 am-1:25 pm

1 stop4h 40m

$286

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

ven. 10/24

9:54 pm-1:09 pm

1 stop14h 15m

Sioux Falls Joe Foss Field

dim. 10/26

8:42 pm-2:07 pm

1 stop18h 25m

$311

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

sam. 3/7

5:40 am-12:35 pm

1 stop5h 55m

Sioux Falls Joe Foss Field

mer. 3/11

8:10 am-2:09 pm

1 stop6h 59m

$314

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

jeu. 10/23

12:28 pm-8:01 pm

2 stops30h 33m

Sioux Falls Joe Foss Field

dim. 10/26

8:42 pm-2:07 pm

1 stop18h 25m

$324

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

sam. 3/7

3:00 pm-10:14 pm

1 stop7h 14m

Rapid City

mer. 3/11

6:20 am-2:09 pm

1 stop7h 49m

$334

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

sam. 3/7

5:00 am-9:18 am

1 stop4h 18m

Rapid City

mer. 3/11

5:30 am-9:43 am

1 stop4h 13m

$349

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

sam. 3/7

2:43 pm-8:46 pm

1 stop5h 03m

Sioux Falls Joe Foss Field

mer. 3/11

6:00 am-1:30 pm

2 stops8h 30m

$375

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

ven. 9/26

12:35 pm-10:22 pm

1 stop8h 47m

Sioux Falls Joe Foss Field

ven. 10/3

5:14 pm-10:30 pm

1 stop6h 16m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
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Best time to book a flight from Boise to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Boise 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 Boise to South Dakota

What is the cheapest month to book a flight from Boise to South Dakota?

Currently, September is the cheapest month in which you can book a flight from Boise to South Dakota (average of $334). Flying from Boise to South Dakota 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 BOI to SD?

Find hourly flight availability from Boise to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to South Dakota as you normally would.

How much does it cost to fly round-trip from Boise to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated septembre 16, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Boise to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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 Boise to South Dakota. 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 from for flights from Boise to South Dakota?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to South Dakota. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to South Dakota?

    For as low as $259, Delta can have you in South Dakota from Boise in 4h 10m. The distance between Boise and South Dakota is about 656 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Boise to South Dakota one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $156. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Boise to South Dakota for a low price.

  • Can I find deals for flights from Boise to South Dakota that include hotel bookings?

    Yes. In addition to deals on Boise to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to South Dakota?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to South Dakota.

  • Can I find deals for business class flights from Boise to South Dakota?

    Yes. Cheapflights offers flight deals from Boise to South Dakota 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 Boise to South Dakota?

    Currently, September is the cheapest month in which you can book a flight from Boise to South Dakota (average of $334). Flying from Boise to South Dakota 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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Top 3 airlines flying from Boise to South Dakota

Discover the top 3 airlines that operate flights from Boise to South Dakota. 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 septembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$434FlexibilityNo cancel feeOn-time69%

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