$319+ Cheap flights from Sioux Falls to Boise (FSD - BOI)
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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Sioux Falls to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sioux Falls to Boise
Cheapest
Best
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One-way
Cheapest flights from Sioux Falls to BoiseExplore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 pm -
1 stop7h 59m
Sat 11/145:15 am -
1 stop6h 02m
Deal found 9/2![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/299:42 am -
2 stops10h 47m
Sat 10/32:44 pm -
1 stop4h 56m
Deal found 9/2![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/115:05 pm -
1 stop6h 35m
Sat 9/265:30 pm -
1 stop5h 14m
Deal found 9/1![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/135:55 am -
1 stop4h 57m
Sun 11/1512:31 pm -
1 stop8h 06m
Deal found 9/5![United Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/4. 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 11/132:26 pm -
1 stop5h 58m
Sun 11/156:06 am -
1 stop6h 50m
Deal found 9/4![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/249:42 am -
1 stop4h 56m
Wed 10/285:44 pm -
1 stop5h 00m
Deal found 9/2![United Airlines logo]()
$409
Best flights from Sioux Falls to BoiseDiscover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This Delta deal was found by Cheapflights users on 9/1. 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 10/305:00 pm -
1 stop7h 59m
Sat 11/145:15 am -
1 stop6h 02m
Deal found 9/1![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/135:55 am -
1 stop4h 57m
Sun 11/1512:31 pm -
1 stop8h 06m
Deal found 9/5![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/249:42 am -
1 stop4h 56m
Wed 10/285:44 pm -
1 stop5h 00m
Deal found 8/31![United Airlines logo]()
$409
Last-minute flights from Sioux Falls to BoiseDiscover last-minute flight deals from Sioux Falls to Boise. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Boise. Data last updated September 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/115:05 pm -
1 stop6h 35m
Sat 9/265:30 pm -
1 stop5h 14m
Deal found 9/1![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/112:10 pm -
1 stop8h 53m
Mon 9/281:52 pm -
1 stop9h 01m
Deal found 9/1![American Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:50 pm -
1 stop4h 50m
Wed 9/235:00 am -
1 stop4h 44m
Deal found 9/3![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 9/288:05 am -
1 stop6h 17m
Sat 10/31:52 pm -
1 stop9h 01m
Deal found 9/2![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/299:42 am -
2 stops10h 47m
Sat 10/32:44 pm -
1 stop4h 56m
Deal found 9/2![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/249:42 am -
1 stop4h 56m
Wed 10/285:44 pm -
1 stop5h 00m
Deal found 9/2![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 pm -
1 stop7h 59m
Sat 11/145:15 am -
1 stop6h 02m
Deal found 9/2![Delta logo]()
$329
One-way flights from Sioux Falls to BoiseSearch for one-way flight options from Sioux Falls to Boise. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Sioux Falls to Boise. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:52 pm -
2 stops42h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$319
This Delta deal was found by Cheapflights users on 9/1. 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 9/188:23 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:05 pm -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:52 pm -
3 stops42h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$441
Find flight deals from Sioux Falls to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Boise (BOI). 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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Delta) |
One-way from | $319 (Kiwi.com) |
Popular in | May |
Cheapest in | June |
Average price | $502 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Boise 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 7,457,451 searches. Data last updated September 6, 2026.
Use the filters below to find and compare flights from Sioux Falls to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 9/18
8:52 pm-1:55 pm
2 stops42h 03m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 10/30
5:00 pm-11:59 pm
1 stop7h 59m
Boise Air Term. Gowen Fld
Sat 11/14
5:15 am-12:17 pm
1 stop6h 02m
$329
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 11/13
5:55 am-9:52 am
1 stop4h 57m
Boise Air Term. Gowen Fld
Sun 11/15
12:31 pm-9:37 pm
1 stop8h 06m
$377
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 9/18
2:10 pm-10:03 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$384
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 9/18
8:23 am-1:44 pm
1 stop6h 21m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$384
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Sat 10/24
9:42 am-1:38 pm
1 stop4h 56m
Boise Air Term. Gowen Fld
Wed 10/28
5:44 pm-11:44 pm
1 stop5h 00m
$409
Quickest round-trip
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 9/18
5:05 pm-9:45 pm
1 stop5h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$434
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 9/18
8:52 pm-2:48 pm
3 stops42h 56m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$441
Sorted by cheapest first
Compare providers for flights from Sioux Falls to Boise
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 Sioux Falls to Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Boise 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 Sioux Falls-Boise 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 Sioux Falls to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Sioux Falls with our price prediction graph.
FSD-BOI
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 Sioux Falls to Boise
What is the cheapest month to book a flight from Sioux Falls to Boise?
Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Boise (average of $278). Flying from Sioux Falls to Boise in May is currently the most expensive (average of $1,059). 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 Sioux Falls to Boise?
Airfare is below average for this route at the moment.
Sioux Falls to Boise flights typically cost between $407 and $584 in October.The cheapest round-trip price found within the last 5 days was $329 on Delta (Oct 30-Nov 14).
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated September 6, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Sioux Falls to Boise. 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.
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Food
7.2
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Complete your trip
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Sioux Falls and Boise flights
Browse other Sioux Falls and Boise flight options. Last updated on September 6, 2026.
Other flights from Sioux Falls
Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Sioux Falls to Boise
Discover the top 2 airlines that operate flights from Sioux Falls to Boise. 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 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$489 | FlexibilityNo cancel fee | On-time69% |