$207+ Cheap flights from Idaho to Sioux Falls (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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Sioux Falls 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
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Cheapest flights from Idaho to Sioux FallsExplore 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 September 7, 2026.
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 September 7, 2026.
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.
Wed 10/145:00 am -
1 stop4h 50m
Sat 10/176:00 am -
1 stop4h 33m
Deal found 9/2![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/612:31 pm -
1 stop8h 06m
Wed 11/119:32 am -
1 stop5h 13m
Deal found 9/6![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/6. 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 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/6![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/6. 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 11/611:32 am -
2 stops10h 50m
Wed 11/118:31 am -
1 stop5h 02m
Deal found 9/6![Delta logo]()
$354
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.
Sat 9/196:30 am -
1 stop6h 09m
Wed 9/232:10 pm -
1 stop8h 53m
Deal found 9/4![American Airlines logo]()
$379
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.
Sat 9/191:53 pm -
1 stop8h 00m
Wed 9/2312:56 pm -
1 stop9h 29m
Deal found 9/4![American Airlines logo]()
$379
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:36 am -
2 stops11h 36m
Wed 9/239:35 am -
1 stop5h 00m
Deal found 9/4![United Airlines logo]()
$384
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.
Tue 10/65:30 am -
1 stop5h 39m
Sat 10/101:00 pm -
2 stops6h 46m
Deal found 9/2![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/2912:00 pm -
2 stops10h 44m
Sun 11/15:55 am -
1 stop4h 57m
Deal found 9/6![United Airlines logo]()
$394
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.
Thu 10/82:50 pm -
1 stop19h 10m
Sun 10/1112:41 pm -
1 stop26h 14m
Deal found 9/2![Multiple Airlines logo]()
$396
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.
Thu 9/175:00 am -
1 stop4h 44m
Mon 9/216:50 pm -
1 stop4h 50m
Deal found 9/2![United Airlines logo]()
$400
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.
Thu 10/152:02 pm -
1 stop8h 54m
Sat 10/178:05 am -
1 stop6h 17m
Deal found 9/2![American Airlines logo]()
$404
Best flights from Idaho to Sioux FallsDiscover carefully curated flight deals from Idaho to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Idaho to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/6![Delta logo]()
$349
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:36 am -
2 stops11h 36m
Wed 9/239:35 am -
1 stop5h 00m
Deal found 9/4![United Airlines logo]()
$384
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.
Tue 10/65:30 am -
1 stop5h 39m
Sat 10/101:00 pm -
2 stops6h 46m
Deal found 9/2![Delta logo]()
$390
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.
Thu 9/175:00 am -
1 stop4h 44m
Mon 9/216:50 pm -
1 stop4h 50m
Deal found 9/2![United Airlines logo]()
$400
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
2 stops12h 49m
Mon 10/58:23 am -
1 stop7h 05m
Deal found 9/4![Delta logo]()
$409
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.
Thu 10/15:30 pm -
1 stop5h 14m
Thu 10/86:00 am -
1 stop4h 34m
Deal found 9/5![United Airlines logo]()
$445
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.
Sat 10/172:44 pm -
1 stop4h 56m
Tue 10/206:00 am -
1 stop4h 34m
Deal found 9/3![United Airlines logo]()
$459
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.
Wed 10/75:30 pm -
1 stop5h 14m
Sun 10/116:00 am -
1 stop4h 34m
Deal found 9/3![United Airlines logo]()
$459
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 10/174:08 pm -
1 stop5h 36m
Wed 10/219:42 am -
1 stop4h 54m
Deal found 9/2![United Airlines logo]()
$503
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.
Thu 10/83:00 pm -
1 stop7h 22m
Sat 10/101:00 pm -
2 stops6h 46m
Deal found 9/2![Delta logo]()
$614
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.
Wed 10/75:00 am -
1 stop4h 50m
Sat 10/101:46 pm -
2 stops8h 53m
Deal found 9/2![United Airlines logo]()
$573
Last-minute flights from Idaho to Sioux FallsDiscover last-minute flight deals from Idaho to Sioux Falls. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Sioux Falls. Data last updated September 7, 2026 and is based on user searches.
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.
Thu 9/175:00 am -
1 stop4h 44m
Mon 9/216:50 pm -
1 stop4h 50m
Deal found 9/2![United Airlines logo]()
$400
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.
Sat 9/196:30 am -
1 stop6h 09m
Wed 9/232:10 pm -
1 stop8h 53m
Deal found 9/4![American Airlines logo]()
$379
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.
Sat 9/191:53 pm -
1 stop8h 00m
Wed 9/2312:56 pm -
1 stop9h 29m
Deal found 9/4![American Airlines logo]()
$379
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:36 am -
2 stops11h 36m
Wed 9/239:35 am -
1 stop5h 00m
Deal found 9/4![United Airlines logo]()
$384
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 pm -
2 stops12h 49m
Mon 10/58:23 am -
1 stop7h 05m
Deal found 9/4![Delta 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.
Tue 10/65:30 am -
1 stop5h 39m
Sat 10/101:00 pm -
2 stops6h 46m
Deal found 9/2![Delta logo]()
$390
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.
Thu 10/82:50 pm -
1 stop19h 10m
Sun 10/1112:41 pm -
1 stop26h 14m
Deal found 9/2![Multiple Airlines logo]()
$396
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.
Thu 10/82:02 pm -
1 stop8h 54m
Sat 10/108:05 am -
1 stop6h 17m
Deal found 9/2![American Airlines logo]()
$407
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.
Wed 10/145:00 am -
1 stop4h 50m
Sat 10/176:00 am -
1 stop4h 33m
Deal found 9/2![United Airlines logo]()
$329
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.
Thu 10/152:02 pm -
1 stop8h 54m
Tue 10/208:05 am -
1 stop6h 17m
Deal found 9/2![American Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/6. 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 10/231:54 pm -
1 stop7h 28m
Tue 11/108:31 am -
1 stop5h 35m
Deal found 9/6![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/2912:00 pm -
2 stops10h 44m
Sun 11/15:55 am -
1 stop4h 57m
Deal found 9/6![United Airlines logo]()
$394
One-way flights from Idaho to Sioux FallsSearch for one-way flight options from Idaho to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Idaho to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/2410:09 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Allegiant Air logo]()
$207
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 10/166:17 pm -
1 stop15h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/2510:50 am -
1 stop22h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Allegiant Air logo]()
$251
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/2410:09 am -
3 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$340
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 9/215:00 am -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 9/153:21 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/1510:31 am -
2 stops11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$402
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 10/161:25 pm -
2 stops7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/256:00 am -
2 stops12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 9/154:20 pm -
3 stops51h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$678
Find 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (United Airlines) |
One-way from | $207 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $388 |
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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Idaho to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Thu 9/24
10:09 am-9:12 pm
1 stop9h 03m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$207
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Fri 10/16
6:17 pm-12:08 pm
1 stop15h 51m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$217
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Fri 9/25
10:50 am-11:38 am
1 stop22h 48m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$251
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Tue 9/29
6:00 am-5:20 pm
1 stop9h 20m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$309
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Fri 10/23
1:54 pm-11:22 pm
1 stop7h 28m
Sioux Falls Joe Foss Field
Tue 11/10
8:31 am-12:06 pm
1 stop5h 35m
$349
Quickest round-trip
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Mon 9/21
5:00 am-12:39 pm
1 stop5h 39m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$384
SpokaneSioux Falls
GEG Spokane - FSD Sioux Falls Joe Foss Field
GEGFSD
Spokane
Mon 9/21
2:19 pm-12:29 am
1 stop8h 10m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$384
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Sat 9/19
10:36 am-11:12 pm
2 stops11h 36m
Sioux Falls Joe Foss Field
Wed 9/23
9:35 am-1:35 pm
1 stop5h 00m
$384
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Tue 10/6
5:30 am-12:09 pm
1 stop5h 39m
Sioux Falls Joe Foss Field
Sat 10/10
1:00 pm-6:46 pm
2 stops6h 46m
$390
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Thu 9/17
5:00 am-10:44 am
1 stop4h 44m
Sioux Falls Joe Foss Field
Mon 9/21
6:50 pm-10:40 pm
1 stop4h 50m
$400
Showing 1-10 of 18 resultsSorted by cheapest first
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.
GEG-FSD
BOI-FSD
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
USID-FSD
GEG-FSD
BOI-FSD
What is the cheapest month to book a flight from Idaho to Sioux Falls?
Currently, March is the cheapest month in which you can book a flight from Idaho to Sioux Falls (average of $381). Flying from Idaho 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 Idaho to Sioux Falls?
Airfare is below average for this route at the moment.
Idaho to Sioux Falls flights typically cost between $368 and $394 in October.The cheapest round-trip price found within the last 5 days was $329 on United Airlines (Oct 14-Oct 17).
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.
Traveling to a place near Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsYankton
Marshall
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Top 2 airlines flying from Idaho to Sioux Falls
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$577 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$419 | FlexibilityNo cancel fee | On-timeN/A |