$270+ Cheap flights from Idaho to South Dakota
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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FSD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to South Dakota 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 Idaho to South Dakota
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho to South DakotaExplore the most affordable flight options available from Idaho to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Idaho to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/33:00 pm -
1 stop7h 17m
Tue 12/88:27 am -
1 stop5h 15m
Deal found 11/1![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/16:15 am -
1 stop6h 48m
Sat 12/55:00 am -
1 stop4h 59m
Deal found 11/2![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 pm -
1 stop5h 14m
Sun 11/225:55 am -
1 stop4h 58m
Deal found 11/2![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/185:44 pm -
1 stop5h 00m
Wed 12/26:00 am -
1 stop4h 59m
Deal found 10/30![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/144:30 pm -
1 stop4h 13m
Wed 11/185:00 am -
1 stop4h 53m
Deal found 10/30![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/145:44 pm -
1 stop4h 46m
Wed 11/187:00 am -
1 stop6h 45m
Deal found 11/2![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/145:00 am -
1 stop6h 35m
Wed 11/186:00 am -
1 stop6h 31m
Deal found 10/30![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 pm -
1 stop5h 00m
Sun 11/225:00 am -
1 stop4h 53m
Deal found 11/2![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 11/141:19 pm -
2 stops9h 22m
Wed 11/184:36 pm -
1 stop7h 23m
Deal found 11/2![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/135:30 pm -
1 stop5h 00m
Sun 11/155:00 am -
1 stop4h 53m
Deal found 11/3![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/252:03 pm -
1 stop8h 51m
Thu 12/38:00 am -
1 stop6h 28m
Deal found 11/2![American Airlines logo]()
$415
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/186:36 am -
2 stops13h 18m
Sun 11/222:21 pm -
1 stop9h 10m
Deal found 11/2![American Airlines logo]()
$419
Best flights from Idaho to South DakotaDiscover carefully curated flight deals from Idaho to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Idaho to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/33:00 pm -
1 stop7h 17m
Tue 12/88:27 am -
1 stop5h 15m
Deal found 11/1![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 pm -
1 stop5h 14m
Sun 11/225:55 am -
1 stop4h 58m
Deal found 11/2![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/1. 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 1/15:36 am -
1 stop5h 22m
Wed 1/65:10 am -
2 stops8h 07m
Deal found 11/1![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/186:36 am -
2 stops13h 18m
Sun 11/227:07 am -
2 stops16h 24m
Deal found 11/2![American Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/185:44 pm -
1 stop5h 00m
Wed 12/26:00 am -
1 stop4h 59m
Deal found 10/30![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/144:30 pm -
1 stop4h 13m
Wed 11/185:00 am -
1 stop4h 53m
Deal found 10/30![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 11/141:19 pm -
2 stops9h 22m
Wed 11/184:36 pm -
1 stop7h 23m
Deal found 11/2![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/145:00 am -
1 stop6h 35m
Wed 11/186:00 am -
1 stop6h 31m
Deal found 10/30![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 11/1. 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.
Tue 12/85:15 am -
1 stop8h 19m
Tue 12/156:34 am -
1 stop7h 08m
Deal found 11/1![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 10/30. 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 2/64:08 pm -
1 stop4h 22m
Tue 2/97:00 am -
1 stop6h 28m
Deal found 10/30![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 11/2. 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 12/11:07 pm -
2 stops9h 39m
Sat 12/56:42 am -
1 stop7h 23m
Deal found 11/2![Delta logo]()
$468
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 4/302:43 pm -
1 stop5h 03m
Fri 5/75:00 pm -
1 stop7h 05m
Deal found 11/2![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:15 am -
1 stop8h 19m
Sun 12/206:34 am -
1 stop7h 12m
Deal found 10/31![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/30. 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 2/65:28 pm -
1 stop5h 06m
Tue 2/97:00 am -
1 stop6h 29m
Deal found 10/30![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/52:48 pm -
1 stop4h 58m
Tue 12/85:00 am -
1 stop4h 59m
Deal found 11/1![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 11/135:44 pm -
1 stop5h 00m
Wed 11/189:32 am -
1 stop5h 13m
Deal found 10/31![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:44 pm -
1 stop4h 46m
Thu 11/267:00 am -
1 stop6h 47m
Deal found 10/30![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/30. 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 12/165:15 am -
1 stop8h 19m
Mon 12/216:34 am -
1 stop7h 12m
Deal found 10/30![Delta logo]()
$612
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/276:20 am -
2 stops11h 18m
Sat 1/305:13 pm -
1 stop5h 20m
Deal found 10/29![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:15 am -
1 stop13h 24m
Sun 12/206:54 am -
1 stop6h 52m
Deal found 10/31![Delta logo]()
$646
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/511:49 am -
1 stop9h 28m
Tue 12/86:00 am -
2 stops9h 50m
Deal found 11/1![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 12/166:10 am -
2 stops9h 50m
Mon 12/215:35 pm -
1 stop5h 08m
Deal found 10/31![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 12/166:10 am -
2 stops9h 50m
Sun 12/205:35 pm -
1 stop5h 08m
Deal found 10/31![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 11/245:44 pm -
1 stop4h 45m
Tue 12/14:31 pm -
1 stop17h 28m
Deal found 10/31![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 1/207:00 am -
1 stop4h 36m
Sat 1/234:35 pm -
1 stop5h 01m
Deal found 11/1![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/237:00 am -
1 stop4h 36m
Tue 1/268:30 am -
1 stop5h 30m
Deal found 10/29![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/186:05 am -
2 stops9h 55m
Mon 12/215:35 pm -
1 stop5h 08m
Deal found 10/30![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 12/186:20 am -
1 stop9h 40m
Tue 12/225:35 pm -
1 stop5h 08m
Deal found 10/31![United Airlines logo]()
$826
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/176:05 am -
3 stops33h 55m
Mon 12/215:35 pm -
2 stops18h 37m
Deal found 10/30![United Airlines logo]()
$1,526
Last-minute flights from Idaho to South DakotaDiscover last-minute flight deals from Idaho to South Dakota. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to South Dakota. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/135:30 pm -
1 stop5h 00m
Sun 11/155:00 am -
1 stop4h 53m
Deal found 11/3![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/144:30 pm -
1 stop4h 13m
Wed 11/185:00 am -
1 stop4h 53m
Deal found 10/30![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/145:44 pm -
1 stop4h 46m
Wed 11/187:00 am -
1 stop6h 45m
Deal found 11/2![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/145:00 am -
1 stop6h 35m
Wed 11/186:00 am -
1 stop6h 31m
Deal found 10/30![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 11/141:19 pm -
2 stops9h 22m
Wed 11/184:36 pm -
1 stop7h 23m
Deal found 11/2![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 pm -
1 stop5h 14m
Sun 11/225:55 am -
1 stop4h 58m
Deal found 11/2![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/185:44 pm -
1 stop5h 00m
Wed 12/26:00 am -
1 stop4h 59m
Deal found 10/30![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 pm -
1 stop5h 00m
Sun 11/225:00 am -
1 stop4h 53m
Deal found 11/2![United Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/186:36 am -
2 stops13h 18m
Sun 11/222:21 pm -
1 stop9h 10m
Deal found 11/2![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/252:03 pm -
1 stop8h 51m
Thu 12/38:00 am -
1 stop6h 28m
Deal found 11/2![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/16:15 am -
1 stop6h 48m
Sat 12/55:00 am -
1 stop4h 59m
Deal found 11/2![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/33:00 pm -
1 stop7h 17m
Tue 12/88:27 am -
1 stop5h 15m
Deal found 11/1![Delta logo]()
$349
One-way flights from Idaho to South DakotaSearch for one-way flight options from Idaho to South Dakota. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Idaho to South Dakota. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/219:04 am -
1 stop23h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/215:33 pm -
3 stops38h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 12/206:20 am -
1 stop5h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:21 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 12/211:00 pm -
2 stops8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/202:12 pm -
3 stops29h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$982
Find flight deals from Idaho to South Dakota
Keep the following information in mind while searching for Idaho to South Dakota flight deals. Data was last updated November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (Kiwi.com) |
One-way from | $270 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $385 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to South Dakota 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 November 3, 2026.
Use the filters below to find and compare flights from Idaho to South Dakota that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Mon 12/21
9:04 am-10:03 am
1 stop23h 59m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$270
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Thu 12/3
3:00 pm-11:17 pm
1 stop7h 17m
Sioux Falls Joe Foss Field
Tue 12/8
8:27 am-12:42 pm
1 stop5h 15m
$349
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Fri 1/1
5:36 am-11:58 am
1 stop5h 22m
Sioux Falls Joe Foss Field
Wed 1/6
5:10 am-12:17 pm
2 stops8h 07m
$364
Idaho FallsSioux Falls
IDA Idaho Falls Fanning Field - FSD Sioux Falls Joe Foss Field
IDAFSD
Idaho Falls Fanning Field
Wed 11/18
5:30 pm-11:44 pm
1 stop5h 14m
Sioux Falls Joe Foss Field
Sun 11/22
5:55 am-9:53 am
1 stop4h 58m
$369
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Wed 11/18
5:44 pm-11:44 pm
1 stop5h 00m
Sioux Falls Joe Foss Field
Wed 12/2
6:00 am-9:59 am
1 stop4h 59m
$374
Idaho FallsRapid City
IDA Idaho Falls Fanning Field - RAP Rapid City
IDARAP
Idaho Falls Fanning Field
Sat 11/14
4:30 pm-8:43 pm
1 stop4h 13m
Rapid City
Wed 11/18
5:00 am-9:53 am
1 stop4h 53m
$389
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Sat 11/14
5:00 am-12:35 pm
1 stop6h 35m
Sioux Falls Joe Foss Field
Wed 11/18
6:00 am-11:31 am
1 stop6h 31m
$399
BoiseRapid City
BOI Boise Air Term. Gowen Fld - RAP Rapid City
BOIRAP
Boise Air Term. Gowen Fld
Sat 11/14
1:19 pm-10:41 pm
2 stops9h 22m
Rapid City
Wed 11/18
4:36 pm-11:59 pm
1 stop7h 23m
$404
Idaho FallsRapid City
IDA Idaho Falls Fanning Field - RAP Rapid City
IDARAP
Idaho Falls Fanning Field
Sat 2/6
4:08 pm-8:30 pm
1 stop4h 22m
Rapid City
Tue 2/9
7:00 am-1:28 pm
1 stop6h 28m
$429
BoiseSioux Falls
BOI Boise Air Term. Gowen Fld - FSD Sioux Falls Joe Foss Field
BOIFSD
Boise Air Term. Gowen Fld
Fri 4/30
2:43 pm-8:46 pm
1 stop5h 03m
Sioux Falls Joe Foss Field
Fri 5/7
5:00 pm-11:05 pm
1 stop7h 05m
$438
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Idaho to South Dakota
Have a flexible travel schedule? Discover the best time to fly to South Dakota from Idaho with our price prediction graph.
BOI-FSD
BOI-RAP
IDA-FSD
IDA-RAP
BOI-ABR
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 South Dakota
USID-USSD
BOI-FSD
BOI-RAP
IDA-FSD
IDA-RAP
What is the cheapest month to book a flight from Idaho to South Dakota?
Currently, November is the cheapest month in which you can book a flight from Idaho to South Dakota (average of $369). Flying from Idaho to South Dakota 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.
Reviews of airlines servicing South Dakota
Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated November 3, 2026.
See what other customers who have flown with Delta and United Airlines from Idaho to South Dakota have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Idaho to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Idaho to South Dakota
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to South Dakota by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to South Dakota by cabin class
Find flights from Idaho to South Dakota, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and South Dakota flights
Browse other Idaho and South Dakota flight options. Last updated on November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from South Dakota
Find the right flight back to Idaho after your stay in South Dakota
Idaho to South Dakota flights
Consider these flights traveling from Idaho to South Dakota.
Top 2 airlines flying from Idaho to South Dakota
Discover the top 2 airlines that operate flights from Idaho to South Dakota. 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$492 | FlexibilityNo cancel fee | On-timeN/A |