$220+ Cheap flights from South Dakota 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from South Dakota to Idaho 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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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 South Dakota to Idaho
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Cheapest flights from South Dakota to IdahoExplore the most affordable flight options available from South Dakota to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from South Dakota to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:48 pm -
1 stop19h 32m
Wed 12/235:33 pm -
1 stop27h 54m
Deal found 11/3![Multiple Airlines logo]()
$260
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:17 pm -
1 stop18h 31m
Mon 12/285:33 pm -
1 stop15h 41m
Deal found 11/1![Multiple Airlines logo]()
$277
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.
Thu 12/2410:17 pm -
1 stop18h 31m
Wed 12/305:33 pm -
1 stop27h 54m
Deal found 11/2![Multiple Airlines logo]()
$307
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 12/44:31 pm -
1 stop4h 56m
Tue 12/86:15 am -
1 stop6h 48m
Deal found 11/2![United Airlines logo]()
$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:36 pm -
1 stop7h 34m
Tue 12/81:07 pm -
2 stops9h 39m
Deal found 11/3![Delta logo]()
$344
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 12/26:00 am -
1 stop4h 59m
Tue 12/85:35 pm -
1 stop5h 09m
Deal found 11/1![United Airlines 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 11/175:55 am -
1 stop4h 58m
Sat 11/215:30 pm -
1 stop5h 14m
Deal found 11/2![United Airlines logo]()
$369
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 11/1712:39 pm -
1 stop5h 24m
Sat 11/215:44 pm -
1 stop4h 46m
Deal found 11/2![United Airlines logo]()
$369
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:11 pm -
2 stops19h 37m
Mon 12/285:33 pm -
1 stop15h 41m
Deal found 11/1![Multiple Airlines logo]()
$380
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:17 pm -
1 stop18h 31m
Tue 12/299:05 pm -
1 stop22h 59m
Deal found 11/1![Multiple Airlines logo]()
$394
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 11/145:55 am -
1 stop5h 01m
Wed 11/185:44 pm -
1 stop5h 00m
Deal found 11/1![United Airlines logo]()
$440
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.
Fri 11/139:32 am -
1 stop5h 13m
Wed 11/185:44 pm -
1 stop5h 00m
Deal found 11/1![United Airlines logo]()
$444
Best flights from South Dakota to IdahoDiscover carefully curated flight deals from South Dakota to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from South Dakota to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
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 12/44:31 pm -
1 stop4h 56m
Tue 12/86:15 am -
1 stop6h 48m
Deal found 11/2![United Airlines logo]()
$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:36 pm -
1 stop7h 34m
Tue 12/81:07 pm -
2 stops9h 39m
Deal found 11/3![Delta logo]()
$344
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.
Thu 2/48:14 am -
1 stop6h 56m
Mon 2/85:30 am -
1 stop5h 33m
Deal found 11/2![Delta logo]()
$349
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 12/26:00 am -
1 stop4h 59m
Tue 12/86:15 am -
2 stops11h 23m
Deal found 11/1![United Airlines logo]()
$354
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 11/175:55 am -
1 stop4h 58m
Sat 11/215:30 pm -
1 stop5h 14m
Deal found 11/2![United Airlines logo]()
$369
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 11/1712:39 pm -
1 stop5h 24m
Sat 11/215:44 pm -
1 stop4h 46m
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.
Sat 2/133:36 pm -
1 stop6h 01m
Fri 2/195:30 am -
1 stop7h 29m
Deal found 11/1![Delta logo]()
$482
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 1/88:00 am -
1 stop5h 28m
Tue 1/122:30 pm -
1 stop6h 00m
Deal found 11/3![United Airlines logo]()
$429
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 12/54:31 pm -
1 stop4h 56m
Wed 12/92:48 pm -
1 stop4h 58m
Deal found 11/2![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 11/145:55 am -
1 stop5h 01m
Wed 11/185:44 pm -
1 stop5h 00m
Deal found 11/1![United Airlines logo]()
$440
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.
Sat 1/231:00 pm -
1 stop6h 09m
Wed 1/276:20 am -
1 stop5h 05m
Deal found 11/3![United Airlines logo]()
$449
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 12/226:35 am -
1 stop17h 24m
Fri 1/15:36 am -
1 stop5h 43m
Deal found 11/1![Delta logo]()
$707
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 12/56:00 am -
1 stop4h 59m
Wed 12/92:48 pm -
1 stop4h 45m
Deal found 11/2![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/4. 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 1/232:40 pm -
1 stop6h 53m
Tue 1/265:28 pm -
1 stop5h 06m
Deal found 11/4![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 11/4. 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 4/105:30 am -
1 stop3h 58m
Wed 4/142:35 pm -
1 stop5h 58m
Deal found 11/4![United Airlines logo]()
$588
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.
Wed 11/188:30 am -
1 stop7h 08m
Sun 11/225:30 pm -
1 stop5h 00m
Deal found 11/3![United Airlines logo]()
$627
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.
Thu 12/247:00 am -
1 stop26h 59m
Wed 12/306:20 am -
1 stop6h 31m
Deal found 11/1![United Airlines logo]()
$636
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:23 pm -
2 stops7h 36m
Sun 11/221:11 pm -
2 stops9h 30m
Deal found 11/3![Delta logo]()
$1,464
Last-minute flights from South Dakota to IdahoDiscover last-minute flight deals from South Dakota to Idaho. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to Idaho. Data last updated November 4, 2026 and is based on user searches.
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.
Fri 11/139:32 am -
1 stop5h 13m
Wed 11/185:44 pm -
1 stop5h 00m
Deal found 11/1![United Airlines logo]()
$444
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 11/145:55 am -
1 stop5h 01m
Wed 11/185:44 pm -
1 stop5h 00m
Deal found 11/1![United Airlines logo]()
$440
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 11/175:55 am -
1 stop4h 58m
Sat 11/215:30 pm -
1 stop5h 14m
Deal found 11/2![United Airlines logo]()
$369
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 11/1712:39 pm -
1 stop5h 24m
Sat 11/215:44 pm -
1 stop4h 46m
Deal found 11/2![United Airlines logo]()
$369
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 12/26:00 am -
1 stop4h 59m
Tue 12/85:35 pm -
1 stop5h 09m
Deal found 11/1![United Airlines 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.
Fri 12/44:31 pm -
1 stop4h 56m
Tue 12/86:15 am -
1 stop6h 48m
Deal found 11/2![United Airlines logo]()
$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:36 pm -
1 stop7h 34m
Tue 12/81:07 pm -
2 stops9h 39m
Deal found 11/3![Delta logo]()
$344
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:48 pm -
1 stop19h 32m
Wed 12/235:33 pm -
1 stop27h 54m
Deal found 11/3![Multiple Airlines logo]()
$260
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:11 pm -
2 stops19h 37m
Mon 12/285:33 pm -
1 stop15h 41m
Deal found 11/1![Multiple Airlines logo]()
$380
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:17 pm -
1 stop18h 31m
Mon 12/285:33 pm -
1 stop15h 41m
Deal found 11/1![Multiple Airlines logo]()
$277
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.
Thu 12/2410:17 pm -
1 stop18h 31m
Wed 12/305:33 pm -
1 stop27h 54m
Deal found 11/2![Multiple Airlines logo]()
$307
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:17 pm -
1 stop18h 31m
Tue 12/299:05 pm -
1 stop22h 59m
Deal found 11/1![Multiple Airlines logo]()
$394
One-way flights from South Dakota to IdahoSearch for one-way flight options from South Dakota to Idaho. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from South Dakota to Idaho. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:57 pm -
1 stop14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Allegiant Air logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:56 pm -
1 stop22h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Allegiant Air logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:23 pm -
2 stops22h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Allegiant Air logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:56 pm -
2 stops17h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$350
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.
Tue 11/2411:28 am -
1 stop26h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/114:00 pm -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/95:00 am -
1 stop4h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 12/194:37 pm -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$438
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 11/248:31 am -
2 stops10h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$458
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.
Tue 12/292:54 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:09 pm -
2 stops33h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![American Airlines logo]()
$500
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.
Tue 11/2411:28 am -
3 stops32h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$537
Find flight deals from South Dakota to Idaho
Keep the following information in mind while searching for South Dakota to Idaho flight deals. Data was last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $220 (Kiwi.com) |
Popular in | May |
Cheapest in | June |
Average price | $733 |
Cheapflights Fare Finder
Customize your flight search to find flights from South Dakota 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 November 4, 2026.
Use the filters below to find and compare flights from South Dakota to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityIdaho Falls
RAP Rapid City - IDA Idaho Falls Fanning Field
RAPIDA
Rapid City
Thu 11/12
2:56 pm-1:30 pm
1 stop22h 34m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$236
Rapid CityBoise
RAP Rapid City - BOI Boise Air Term. Gowen Fld
RAPBOI
Rapid City
Sat 12/19
7:23 pm-5:51 pm
2 stops22h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$287
Rapid CityBoise
RAP Rapid City - BOI Boise Air Term. Gowen Fld
RAPBOI
Rapid City
Fri 12/4
4:31 pm-9:27 pm
1 stop4h 56m
Boise Air Term. Gowen Fld
Tue 12/8
6:15 am-1:03 pm
1 stop6h 48m
$339
Rapid CityBoise
RAP Rapid City - BOI Boise Air Term. Gowen Fld
RAPBOI
Rapid City
Fri 12/4
4:36 pm-12:10 am
1 stop7h 34m
Boise Air Term. Gowen Fld
Tue 12/8
1:07 pm-10:46 pm
2 stops9h 39m
$344
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Thu 2/4
8:14 am-2:10 pm
1 stop6h 56m
Boise Air Term. Gowen Fld
Mon 2/8
5:30 am-12:03 pm
1 stop5h 33m
$349
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Wed 12/2
6:00 am-9:59 am
1 stop4h 59m
Boise Air Term. Gowen Fld
Tue 12/8
6:15 am-6:38 pm
2 stops11h 23m
$354
Sioux FallsIdaho Falls
FSD Sioux Falls Joe Foss Field - IDA Idaho Falls Fanning Field
FSDIDA
Sioux Falls Joe Foss Field
Tue 11/17
5:55 am-9:53 am
1 stop4h 58m
Idaho Falls Fanning Field
Sat 11/21
5:30 pm-11:44 pm
1 stop5h 14m
$369
Rapid CityBoise
RAP Rapid City - BOI Boise Air Term. Gowen Fld
RAPBOI
Rapid City
Tue 11/17
12:39 pm-6:03 pm
1 stop5h 24m
Boise Air Term. Gowen Fld
Sat 11/21
5:44 pm-10:30 pm
1 stop4h 46m
$369
Sioux FallsBoise
FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld
FSDBOI
Sioux Falls Joe Foss Field
Tue 11/24
11:28 am-12:41 pm
1 stop26h 13m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$389
Rapid CityIdaho Falls
RAP Rapid City - IDA Idaho Falls Fanning Field
RAPIDA
Rapid City
Wed 11/11
4:00 pm-9:09 pm
1 stop5h 09m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$394
Showing 1-10 of 31 resultsSorted by cheapest first
Best time to book a flight from South Dakota to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from South Dakota with our price prediction graph.
RAP-BOI
FSD-BOI
FSD-IDA
ABR-BOI
RAP-IDA
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 South Dakota to Idaho
USSD-USID
RAP-BOI
FSD-BOI
FSD-IDA
ABR-BOI
What is the cheapest month to book a flight from South Dakota to Idaho?
Currently, June is the cheapest month in which you can book a flight from South Dakota to Idaho (average of $278). Flying from South Dakota to Idaho in December is currently the most expensive (average of $578). 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 South Dakota to Idaho?
Airfare is below average for this route at the moment.
South Dakota to Idaho flights typically cost between $548 and $853 in December.The cheapest round-trip price found within the last 5 days was $349 on United Airlines (Dec 2-Dec 8).
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 November 4, 2026.
See what other customers who have flown with Delta and United Airlines from South Dakota to Idaho have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
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 South Dakota to Idaho. 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
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Alternative routes for South Dakota 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 South Dakota to Idaho by cabin class
Find flights from South Dakota to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Dakota and Idaho flights
Browse other South Dakota and Idaho flight options. Last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to South Dakota after your stay in Idaho
South Dakota to Idaho flights
Consider these flights traveling from South Dakota to Idaho.
Top 2 airlines flying from South Dakota to Idaho
Discover the top 2 airlines that operate flights from South Dakota 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$458 | FlexibilityNo cancel fee | On-timeN/A |