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Sioux Falls

$232+ Cheap flights from Boise to Sioux Falls (BOI - FSD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 3, 2025.

Round-trip from

$232
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$385
From Boise Air Term. Gowen Fld to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 14% potential increase in price ($67 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 July 2025
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Find 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 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:06 pmBOI - FSD
1 stop15h 51mMultiple Airlines
Mon 8/2511:47 amFSD - BOI
1 stop6h 24mMultiple Airlines
Deal found 7/2$232
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/296:35 amBOI - FSD
1 stop6h 30mAmerican Airlines
Mon 9/17:01 amFSD - BOI
1 stop6h 45mAmerican Airlines
Deal found 7/2$299
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/225:42 pmBOI - FSD
1 stop4h 55mUnited Airlines
Sat 7/265:10 pmFSD - BOI
1 stop5h 24mUnited Airlines
Deal found 7/2$319
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 7/93:17 pmBOI - FSD
1 stop7h 27mDelta
Mon 7/146:00 amFSD - BOI
1 stop5h 50mDelta
Deal found 7/3$424

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 3, 2025.
Use the filters below to find and compare flights from Boise to Sioux Falls that are best for you.

Fly from

Boise

Fly to

Sioux Falls

Route

Depart

Return

Price

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Thu 8/21

6:06 pm-10:57 am

1 stop15h 51m

Sioux Falls Joe Foss Field

Mon 8/25

11:47 am-5:11 pm

1 stop6h 24m

$232

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 8/29

6:35 am-2:05 pm

1 stop6h 30m

Sioux Falls Joe Foss Field

Mon 9/1

7:01 am-12:46 pm

1 stop6h 45m

$299

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Tue 7/22

5:42 pm-11:37 pm

1 stop4h 55m

Sioux Falls Joe Foss Field

Sat 7/26

5:10 pm-9:34 pm

1 stop5h 24m

$319

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Wed 7/9

3:17 pm-11:44 pm

1 stop7h 27m

Sioux Falls Joe Foss Field

Mon 7/14

6:00 am-10:50 am

1 stop5h 50m

$424

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 8/11

6:35 am-2:05 pm

1 stop6h 30m

$271

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 8/11

7:50 am-8:20 pm

2 stops11h 30m

$364

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Wed 7/16

12:50 pm-11:44 pm

2 stops9h 54m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $334). Flying from Boise 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.

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 3, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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 Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Our cheapest airline available from Boise to Sioux Falls is American Airlines. Our recent data shows that you can find tickets from as low as $299 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $319 and $424 round-trip. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Boise to Sioux Falls are American Airlines ($271), United Airlines ($364), and Delta ($395).

  • 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 $334). Flying from Boise 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Boise to Sioux Falls

Discover the top 2 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$448FlexibilityNo cancel feeOn-time69%
DeltaCheapest$226Average$331FlexibilityNo cancel feeOn-timeN/A

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