$224+ Cheap flights from Sioux Falls (FSD) to Idaho
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Cheapest flights from Sioux Falls to IdahoExplore the most affordable flight options available from Sioux Falls to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Sioux Falls to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/2312:53 pm -
1 stop9h 50m
Sun 10/252:45 pm -
1 stop7h 11m
Deal found 9/7![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/10. 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 9/10![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/25:07 pm -
1 stop6h 02m
Sun 12/69:00 am -
2 stops10h 43m
Deal found 9/10![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/10. 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 10/238:30 am -
2 stops9h 44m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/2911:35 am -
1 stop5h 47m
Tue 10/61:38 pm -
1 stop4h 42m
Deal found 9/8![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/76:00 am -
1 stop4h 34m
Tue 10/135:00 am -
1 stop4h 50m
Deal found 9/8![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/9. 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 11/68:30 am -
1 stop5h 45m
Sun 11/81:54 pm -
1 stop7h 28m
Deal found 9/9![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/22:10 pm -
1 stop8h 53m
Tue 10/62:02 pm -
1 stop8h 54m
Deal found 9/9![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/139:32 am -
1 stop5h 13m
Sun 11/1512:31 pm -
1 stop8h 06m
Deal found 9/9![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/9. 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 12/97:40 am -
2 stops12h 17m
Sun 12/135:05 am -
1 stop5h 10m
Deal found 9/9![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/8. 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 11/208:31 am -
1 stop5h 02m
Wed 11/255:15 am -
1 stop6h 02m
Deal found 9/8![Delta logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/2612:48 pm -
1 stop7h 51m
Thu 10/297:28 pm -
1 stop13h 48m
Deal found 9/9![Allegiant Air logo]()
$373
Best flights from Sioux Falls to IdahoDiscover carefully curated flight deals from Sioux Falls to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Sioux Falls to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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 10/238:30 am -
2 stops9h 44m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/2911:35 am -
1 stop5h 47m
Tue 10/61:38 pm -
1 stop4h 42m
Deal found 9/8![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/76:00 am -
1 stop4h 34m
Tue 10/135:00 am -
1 stop4h 50m
Deal found 9/8![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/10. 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 11/68:30 am -
1 stop5h 45m
Sun 11/81:25 pm -
2 stops7h 57m
Deal found 9/10![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/139:32 am -
1 stop5h 13m
Sun 11/1512:31 pm -
1 stop8h 06m
Deal found 9/9![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 12/78:27 am -
2 stops10h 30m
Sat 12/125:00 am -
2 stops9h 20m
Deal found 9/8![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 9/8. 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 12/75:07 pm -
1 stop6h 02m
Sat 12/121:49 pm -
1 stop4h 32m
Deal found 9/8![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/10. 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 10/238:30 am -
2 stops9h 44m
Sun 10/257:00 am -
1 stop7h 00m
Deal found 9/10![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/25:07 pm -
1 stop6h 02m
Sun 12/69:00 am -
1 stop5h 06m
Deal found 9/10![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/9![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/3011:22 am -
2 stops13h 11m
Sat 11/142:51 pm -
1 stop4h 13m
Deal found 9/9![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/79:32 am -
1 stop7h 53m
Wed 11/115:00 am -
1 stop5h 35m
Deal found 9/8![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/911:35 am -
1 stop7h 14m
Tue 10/134:28 pm -
1 stop6h 16m
Deal found 9/10![United Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/101:46 pm -
1 stop5h 03m
Wed 10/142:48 pm -
1 stop4h 32m
Deal found 9/10![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/91:46 pm -
1 stop5h 03m
Wed 10/142:48 pm -
1 stop4h 32m
Deal found 9/10![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/81:46 pm -
1 stop5h 03m
Thu 10/154:28 pm -
1 stop6h 16m
Deal found 9/8![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/245:04 pm -
1 stop5h 11m
Wed 10/282:34 pm -
1 stop4h 30m
Deal found 9/10![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/245:04 pm -
1 stop4h 42m
Wed 10/282:25 pm -
1 stop4h 39m
Deal found 9/8![United Airlines logo]()
$562
Last-minute flights from Sioux Falls to IdahoDiscover last-minute flight deals from Sioux Falls to Idaho. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Idaho. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/179:35 am -
1 stop5h 00m
Wed 9/235:40 pm -
1 stop5h 04m
Deal found 9/9![United Airlines logo]()
$448
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.
Sat 9/196:00 am -
1 stop4h 34m
Sun 9/205:00 am -
1 stop4h 44m
Deal found 9/5![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/226:00 am -
1 stop7h 55m
Sat 9/261:53 pm -
1 stop8h 00m
Deal found 9/7![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/2911:35 am -
1 stop5h 47m
Tue 10/61:38 pm -
1 stop4h 42m
Deal found 9/8![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/22:10 pm -
1 stop8h 53m
Tue 10/62:02 pm -
1 stop8h 54m
Deal found 9/9![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/76:00 am -
1 stop4h 34m
Tue 10/135:00 am -
1 stop4h 50m
Deal found 9/8![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/2312:53 pm -
1 stop9h 50m
Sun 10/252:45 pm -
1 stop7h 11m
Deal found 9/7![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/10. 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 10/238:30 am -
2 stops9h 44m
Mon 10/267:25 pm -
2 stops12h 35m
Deal found 9/10![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/8. 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 10/238:30 am -
1 stop5h 45m
Sat 10/241:54 pm -
1 stop7h 09m
Deal found 9/8![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/9![United Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/2612:48 pm -
1 stop7h 51m
Thu 10/297:28 pm -
1 stop13h 48m
Deal found 9/9![Allegiant Air logo]()
$373
This Delta deal was found by Cheapflights users on 9/10. 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 9/10![Delta logo]()
$329
One-way flights from Sioux Falls to IdahoSearch for one-way flight options from Sioux Falls to Idaho. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Sioux Falls to Idaho. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 10/79:56 pm -
2 stops19h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 10/251:56 pm -
1 stop24h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/812:28 pm -
1 stop30h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/412:16 pm -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$273
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 9/188:52 pm -
2 stops42h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/59:42 am -
1 stop4h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/236:00 am -
1 stop4h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/512:53 pm -
2 stops12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/212:28 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$319
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 10/16:50 pm -
1 stop4h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/7. 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 10/24:28 pm -
2 stops9h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/28:52 pm -
3 stops47h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$327
Find flight deals from Sioux Falls to Idaho
Keep the following information in mind while searching for Sioux Falls to Idaho flight deals. Data was last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $224 (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 Idaho 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 11, 2026.
Use the filters below to find and compare flights from Sioux Falls to Idaho 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
$288
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Mon 10/5
9:42 am-12:36 pm
1 stop4h 54m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$309
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Fri 10/2
12:56 pm-8:25 pm
1 stop9h 29m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$309
Quickest round-trip
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Fri 10/23
6:00 am-9:34 am
1 stop4h 34m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Fri 10/2
4:28 pm-11:59 pm
2 stops9h 31m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$314
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Mon 10/5
12:53 pm-11:01 pm
2 stops12h 08m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$314
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Tue 10/6
8:30 am-12:15 pm
1 stop5h 45m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$319
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Sat 10/3
10:40 am-1:28 pm
1 stop4h 48m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$319
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Sun 10/25
1:56 pm-3:47 pm
2 stops26h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$324
Sioux FallsSpokane
FSD Sioux Falls Joe Foss Field - GEG Spokane
FSDGEG
Sioux Falls Joe Foss Field
Fri 10/23
8:30 am-4:14 pm
2 stops9h 44m
Spokane
Mon 10/26
7:25 pm-10:00 am
2 stops12h 35m
$339
Showing 1-10 of 31 resultsSorted by cheapest first
Best time to book a flight from Sioux Falls to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Sioux Falls with our price prediction graph.
FSD-BOI
FSD-GEG
FSD-JAC
FSD-SUN
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 Idaho
FSD-USID
FSD-BOI
FSD-GEG
FSD-JAC
FSD-SUN
What is the cheapest month to book a flight from Sioux Falls to Idaho?
Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Idaho (average of $278). Flying from Sioux Falls to Idaho 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 Idaho?
Airfare is below average for this route at the moment.
Sioux Falls to Idaho flights typically cost between $447 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 Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated September 11, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Sioux Falls to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Overall
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
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 Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Sioux Falls to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sioux Falls to Idaho by cabin class
Find flights from Sioux Falls to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sioux Falls and Idaho flights
Browse other Sioux Falls and Idaho flight options. Last updated on September 11, 2026.
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Sioux Falls to Idaho flights
Consider these flights traveling from Sioux Falls to Idaho.
Top 2 airlines flying from Sioux Falls to Idaho
Discover the top 2 airlines that operate flights from Sioux Falls to Idaho. 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 11, 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% |