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Sioux Falls

$166+ Cheap flights from Boise to Sioux Falls (BOI - 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Cheap flight deals from Boise to Sioux Falls

Cheapest flights from Boise to Sioux Falls
Explore the most affordable flight options available from Boise to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.

This United Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 8/145:44 pm
BOI
-
FSD
1 stop5h 00m
United Airlines
Mon 8/175:05 pm
FSD
-
BOI
1 stop5h 32m
United Airlines
Deal found 7/15$319
This United Airlines deal was found by Cheapflights users on 7/11. 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 9/1910:36 am
BOI
-
FSD
2 stops11h 36m
United Airlines
Wed 9/306:00 am
FSD
-
BOI
1 stop4h 34m
United Airlines
Deal found 7/11$324
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:46 pm
BOI
-
FSD
1 stop5h 07m
United Airlines
Mon 8/315:05 pm
FSD
-
BOI
1 stop5h 32m
United Airlines
Deal found 7/13$344
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Wed 9/165:00 am
BOI
-
FSD
1 stop4h 44m
United Airlines
Sat 9/261:46 pm
FSD
-
BOI
2 stops8h 53m
United Airlines
Deal found 7/15$371
This United Airlines deal was found by Cheapflights users on 7/12. 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 11/55:44 pm
BOI
-
FSD
1 stop4h 59m
United Airlines
Mon 11/95:55 am
FSD
-
BOI
1 stop4h 43m
United Airlines
Deal found 7/12$383
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:46 pm
BOI
-
FSD
1 stop5h 07m
United Airlines
Thu 8/209:35 am
FSD
-
BOI
1 stop5h 03m
United Airlines
Deal found 7/13$389
This Delta deal was found by Cheapflights users on 7/15. 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.
Fri 8/145:30 am
BOI
-
FSD
1 stop6h 08m
Delta
Wed 8/191:26 pm
FSD
-
BOI
2 stops11h 33m
Delta
Deal found 7/15$394
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Fri 8/141:55 pm
BOI
-
FSD
1 stop8h 53m
American Airlines
Wed 8/196:24 am
FSD
-
BOI
1 stop9h 05m
American Airlines
Deal found 7/12$397
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Sat 8/2910:36 am
BOI
-
FSD
1 stop4h 47m
United Airlines
Tue 9/15:05 pm
FSD
-
BOI
1 stop5h 32m
United Airlines
Deal found 7/14$399
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Thu 10/153:52 pm
BOI
-
FSD
1 stop18h 08m
Multiple Airlines
Sun 10/186:42 pm
FSD
-
BOI
2 stops21h 15m
Multiple Airlines
Deal found 7/15$402

Find flight deals from Boise to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(United Airlines)

One-way from

$166
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$606
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 Boise Air Term. Gowen Fld to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 16, 2026.
Use the filters below to find and compare flights from Boise to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 9/19

2:41 pm-8:07 pm

1 stop4h 26m

Sioux Falls Joe Foss Field

Wed 9/30

6:00 am-9:34 am

1 stop4h 34m

$319

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 7/27

5:46 pm-11:53 pm

1 stop5h 07m

Sioux Falls Joe Foss Field

Mon 8/31

5:05 pm-9:37 pm

1 stop5h 32m

$344

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Wed 9/16

5:00 am-10:44 am

1 stop4h 44m

Sioux Falls Joe Foss Field

Sat 9/26

1:46 pm-9:39 pm

2 stops8h 53m

$371

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 8/14

5:30 am-12:38 pm

1 stop6h 08m

Sioux Falls Joe Foss Field

Wed 8/19

1:26 pm-11:59 pm

2 stops11h 33m

$394

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 8/14

1:55 pm-11:48 pm

1 stop8h 53m

Sioux Falls Joe Foss Field

Wed 8/19

6:24 am-2:29 pm

1 stop9h 05m

$397

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-4:23 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Tue 9/1

5:05 pm-9:37 pm

1 stop5h 32m

$399

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 7/27

5:46 pm-11:53 pm

1 stop5h 07m

Sioux Falls Joe Foss Field

Wed 9/2

6:00 am-9:35 am

1 stop4h 35m

$424

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 7/27

5:46 pm-11:53 pm

1 stop5h 07m

Sioux Falls Joe Foss Field

Sat 8/29

9:35 am-7:24 pm

2 stops10h 49m

$429
Cheapest one-way

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 10/16

3:52 pm-6:36 pm

2 stops25h 44m

$176

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 10/9

3:52 pm-6:36 pm

2 stops25h 44m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Boise 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 Boise to Sioux Falls in July.
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 Boise-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-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 Boise-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 Boise to Sioux Falls

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

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

Currently, September is the cheapest month in which you can book a flight from Boise to Sioux Falls (average of $368). Flying from Boise to Sioux Falls in June is currently the most expensive (average of $668). 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 Boise to Sioux Falls?

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 16, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Boise to Sioux Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,471 reviews

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

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
8,471 reviews
Delta
7.8
Good
8,471 reviews

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

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
7.4
Good
9,993 reviews
Delta
7.8
Good
8,471 reviews

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

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
American Airlines
7.1
Good
11,814 reviews
Delta
7.8
Good
8,471 reviews

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Find useful and relevant information for your journey from Boise to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Boise to Sioux Falls in 4h 26m. Fly via United Airlines or Delta to get the fastest option. The distance between Boise and Sioux Falls is about 972 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boise to Sioux Falls round-trip?

    Our cheapest airline available from Boise to Sioux Falls is Delta. Our recent data shows that you can find tickets from as low as $250 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $273 and $284 round-trip. Users have found that Delta is 45% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boise to Sioux Falls (average of $368). Flying from Boise to Sioux Falls in June is currently the most expensive (average of $668). 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
Yankton

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Alternative routes for Boise to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Boise to Sioux Falls

Discover the top 3 airlines that operate flights from Boise 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$284Average$483FlexibilityNo cancel feeOn-time69%

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