$247+ Cheap flights from Sioux Falls (FSD) to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
May 28 — Jun 41
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 April 28, 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 April 28, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 9/171:20 pm
FSD
- GEG
1 stop8h 00m
Delta
Tue 9/222:05 pm
GEG
- FSD
1 stop6h 41m
Delta
Deal found 4/27![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 4/27. 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 7/158:23 am
FSD
- BOI
1 stop6h 21m
Delta
Wed 7/225:30 am
BOI
- FSD
1 stop6h 19m
Delta
Deal found 4/27![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 4/27. 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 8/205:15 am
FSD
- BOI
2 stops10h 19m
Delta
Sat 8/225:40 am
BOI
- FSD
1 stop5h 48m
Delta
Deal found 4/27![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 4/27. 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 6/54:16 pm
FSD
- GEG
2 stops9h 19m
Delta
Mon 6/87:59 pm
GEG
- FSD
2 stops12h 17m
Delta
Deal found 4/27![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/26. 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 8/205:15 am
FSD
- BOI
2 stops10h 19m
Delta
Sun 8/231:15 pm
BOI
- FSD
2 stops8h 31m
Delta
Deal found 4/26![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/156:00 am
FSD
- BOI
1 stop6h 21m
American Airlines
Wed 7/223:06 pm
BOI
- FSD
1 stop8h 04m
American Airlines
Deal found 4/23![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/24. 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 5/128:19 am
FSD
- BOI
1 stop5h 59m
Delta
Tue 5/195:20 am
BOI
- FSD
1 stop6h 29m
Delta
Deal found 4/24![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/24. 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 10/149:43 am
FSD
- GEG
1 stop4h 52m
United Airlines
Tue 10/205:00 am
GEG
- FSD
1 stop5h 38m
United Airlines
Deal found 4/24![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/228:14 pm
FSD
- BOI
1 stop17h 16m
Frontier
Sun 6/281:25 pm
BOI
- FSD
1 stop28h 54m
Frontier
Deal found 4/25![Frontier logo]()
$359
This Delta deal was found by Cheapflights users on 4/24. 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 5/85:20 am
FSD
- GEG
1 stop7h 57m
Delta
Tue 5/122:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Deal found 4/24![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 4/24. 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 5/99:15 am
FSD
- BOI
1 stop5h 03m
Delta
Wed 5/132:23 pm
BOI
- FSD
1 stop7h 48m
Delta
Deal found 4/24![Delta logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/228:14 pm
FSD
- BOI
1 stop17h 16m
Frontier
Thu 6/251:25 pm
BOI
- FSD
1 stop28h 54m
Frontier
Deal found 4/23![Frontier logo]()
$370
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 April 28, 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 April 28, 2026.
This Delta deal was found by Cheapflights users on 4/24. 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 9/171:20 pm
FSD
- GEG
1 stop8h 00m
Delta
Tue 9/222:05 pm
GEG
- FSD
1 stop6h 41m
Delta
Deal found 4/24![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:19 am
FSD
- GEG
1 stop6h 21m
American Airlines
Mon 9/211:58 pm
GEG
- FSD
1 stop7h 53m
American Airlines
Deal found 4/25![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/24. 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 10/149:43 am
FSD
- GEG
1 stop4h 52m
United Airlines
Tue 10/2012:50 pm
GEG
- FSD
2 stops8h 54m
United Airlines
Deal found 4/24![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/27. 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 7/158:23 am
FSD
- BOI
1 stop6h 21m
Delta
Wed 7/225:30 am
BOI
- FSD
1 stop6h 19m
Delta
Deal found 4/27![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/156:00 am
FSD
- BOI
1 stop6h 21m
American Airlines
Wed 7/223:06 pm
BOI
- FSD
1 stop8h 04m
American Airlines
Deal found 4/23![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/27. 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 6/58:19 am
FSD
- GEG
1 stop6h 52m
Delta
Mon 6/87:59 pm
GEG
- FSD
2 stops12h 17m
Delta
Deal found 4/27![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 4/28. 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 6/69:15 am
FSD
- GEG
1 stop5h 56m
Delta
Sat 6/135:20 am
GEG
- FSD
2 stops8h 24m
Delta
Deal found 4/28![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/66:00 am
FSD
- BOI
1 stop4h 45m
United Airlines
Sat 6/205:46 pm
BOI
- FSD
1 stop5h 07m
United Airlines
Deal found 4/25![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/25. 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 6/228:23 am
FSD
- BOI
2 stops10h 29m
Delta
Sun 6/282:50 pm
BOI
- FSD
1 stop7h 22m
Delta
Deal found 4/25![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/119:00 am
FSD
- SUN
1 stop5h 38m
United Airlines
Mon 5/257:00 am
SUN
- FSD
1 stop4h 35m
United Airlines
Deal found 4/28![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/26. 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 6/69:15 am
FSD
- BOI
1 stop5h 03m
Delta
Sat 6/205:30 am
BOI
- FSD
1 stop6h 00m
Delta
Deal found 4/26![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 4/24. 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 5/99:15 am
FSD
- BOI
1 stop5h 03m
Delta
Wed 5/132:23 pm
BOI
- FSD
1 stop7h 48m
Delta
Deal found 4/24![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/166:00 am
FSD
- JAC
1 stop4h 42m
United Airlines
Tue 5/194:15 pm
JAC
- FSD
1 stop6h 28m
United Airlines
Deal found 4/27![United Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 4/23. 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 5/148:19 am
FSD
- GEG
1 stop6h 52m
Delta
Sun 5/172:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Deal found 4/23![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/211:18 pm
FSD
- JAC
1 stop5h 36m
United Airlines
Sun 5/241:42 pm
JAC
- FSD
1 stop5h 26m
United Airlines
Deal found 4/27![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 4/24. 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 5/121:35 pm
FSD
- BOI
2 stops9h 09m
Delta
Tue 5/192:23 pm
BOI
- FSD
1 stop7h 48m
Delta
Deal found 4/24![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/316:00 am
FSD
- JAC
1 stop4h 46m
United Airlines
Thu 8/61:42 pm
JAC
- FSD
1 stop5h 26m
United Airlines
Deal found 4/28![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 4/27. 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 5/258:19 am
FSD
- BOI
1 stop5h 59m
Delta
Mon 6/112:55 pm
BOI
- FSD
2 stops9h 16m
Delta
Deal found 4/27![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/114:57 pm
FSD
- JAC
1 stop5h 01m
United Airlines
Fri 5/154:15 pm
JAC
- FSD
1 stop27h 05m
United Airlines
Deal found 4/25![United Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/36:00 am
FSD
- JAC
1 stop4h 46m
United Airlines
Sat 8/84:23 pm
JAC
- FSD
1 stop6h 30m
United Airlines
Deal found 4/26![United Airlines logo]()
$713
This Delta deal was found by Cheapflights users on 4/27. 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 5/154:16 pm
FSD
- JAC
1 stop4h 59m
Delta
Tue 5/197:00 am
JAC
- FSD
1 stop4h 49m
Delta
Deal found 4/27![Delta logo]()
$644
Last-minute flights from Sioux Falls to IdahoDiscover last-minute flight deals from Sioux Falls to Idaho. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Idaho. Data last updated April 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/25:05 pm
FSD
- BOI
1 stop6h 30m
United Airlines
Sun 5/35:29 pm
BOI
- FSD
1 stop5h 14m
United Airlines
Deal found 4/26![United Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/68:30 am
FSD
- GEG
1 stop7h 49m
American Airlines
Sun 5/101:13 pm
GEG
- FSD
1 stop7h 53m
American Airlines
Deal found 4/24![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/69:00 am
FSD
- GEG
2 stops12h 06m
United Airlines
Sun 5/105:00 am
GEG
- FSD
1 stop5h 32m
United Airlines
Deal found 4/24![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 4/24. 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 5/78:19 am
FSD
- GEG
2 stops9h 54m
Delta
Fri 5/152:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Deal found 4/24![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 4/24. 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 5/85:20 am
FSD
- GEG
1 stop7h 57m
Delta
Tue 5/122:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Deal found 4/24![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 4/24. 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 5/99:15 am
FSD
- BOI
1 stop5h 03m
Delta
Wed 5/132:23 pm
BOI
- FSD
1 stop7h 48m
Delta
Deal found 4/24![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/119:00 am
FSD
- SUN
1 stop5h 38m
United Airlines
Mon 5/257:00 am
SUN
- FSD
1 stop4h 35m
United Airlines
Deal found 4/28![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/24. 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 5/128:19 am
FSD
- BOI
1 stop5h 59m
Delta
Tue 5/195:20 am
BOI
- FSD
1 stop6h 29m
Delta
Deal found 4/24![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/139:00 am
FSD
- GEG
2 stops12h 06m
United Airlines
Sun 5/171:41 pm
GEG
- FSD
1 stop8h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 4/23. 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 5/148:19 am
FSD
- GEG
1 stop6h 52m
Delta
Sun 5/172:16 pm
GEG
- FSD
1 stop6h 55m
Delta
Deal found 4/23![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 4/24. 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 5/224:16 pm
FSD
- GEG
2 stops9h 19m
Delta
Sat 5/301:30 pm
GEG
- FSD
2 stops7h 41m
Delta
Deal found 4/24![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 4/27. 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 5/258:19 am
FSD
- BOI
1 stop5h 59m
Delta
Mon 6/112:55 pm
BOI
- FSD
2 stops9h 16m
Delta
Deal found 4/27![Delta logo]()
$444
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 April 28, 2026.
Search for one-way flight options from Sioux Falls to Idaho. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 8/261:20 pm
FSD
- JAC
1 stop7h 18m
Delta
Deal found 4/28![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/267:40 am
FSD
- JAC
2 stops11h 12m
United Airlines
Deal found 4/28![United Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 9/610:02 pm
FSD
- GEG
3 stops21h 38m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 9/68:10 am
FSD
- GEG
1 stop7h 43m
American Airlines
Deal found 4/28![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 am
FSD
- BOI
1 stop6h 20m
American Airlines
Deal found 4/27![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 4/28. 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 9/61:20 pm
FSD
- GEG
2 stops12h 24m
Delta
Deal found 4/28![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 4/27. 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 7/1110:53 am
FSD
- BOI
2 stops9h 06m
Delta
Deal found 4/27![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/269:30 am
FSD
- GEG
1 stop5h 07m
United Airlines
Deal found 4/26![United Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 4/26. 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 5/264:16 pm
FSD
- GEG
2 stops9h 43m
Delta
Deal found 4/26![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/128:30 am
FSD
- GEG
1 stop7h 49m
American Airlines
Deal found 4/26![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/111:02 pm
FSD
- BOI
3 stops26h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/129:00 am
FSD
- GEG
2 stops12h 06m
United Airlines
Deal found 4/26![United Airlines logo]()
$384
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Delta) |
One-way from | $247 (Delta) |
Popular in | May |
Cheapest in | June |
Average price | $524 |
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 2,558,603 searches. Data last updated April 28, 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 FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Thu 9/17
1:20 pm-7:20 pm
1 stop8h 00m
Spokane
Tue 9/22
2:05 pm-10:46 pm
1 stop6h 41m
$339
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Thu 9/17
7:19 am-11:40 am
1 stop6h 21m
Spokane
Mon 9/21
1:58 pm-11:51 pm
1 stop7h 53m
$339
Sioux FallsBoise
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Wed 7/15
8:23 am-1:44 pm
1 stop6h 21m
Boise Air Term. Gowen Fld
Wed 7/22
5:30 am-12:49 pm
1 stop6h 19m
$339
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Wed 10/14
9:43 am-12:35 pm
1 stop4h 52m
Spokane
Tue 10/20
12:50 pm-11:44 pm
2 stops8h 54m
$344
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Fri 6/5
8:19 am-1:11 pm
1 stop6h 52m
Spokane
Mon 6/8
7:59 pm-10:16 am
2 stops12h 17m
$344
Sioux FallsSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Sat 6/6
9:15 am-1:11 pm
1 stop5h 56m
Spokane
Sat 6/13
5:20 am-3:44 pm
2 stops8h 24m
$344
Sioux FallsBoise
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Mon 6/22
8:23 am-5:52 pm
2 stops10h 29m
Boise Air Term. Gowen Fld
Sun 6/28
2:50 pm-11:12 pm
1 stop7h 22m
$344
Sioux FallsBoise
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Wed 7/15
6:00 am-11:21 am
1 stop6h 21m
Boise Air Term. Gowen Fld
Wed 7/22
3:06 pm-12:10 am
1 stop8h 04m
$352
Sioux FallsBoise
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Sat 6/6
9:15 am-1:18 pm
1 stop5h 03m
Boise Air Term. Gowen Fld
Sat 6/20
5:30 am-12:30 pm
1 stop6h 00m
$354
Sioux FallsBoise
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Sat 5/9
9:15 am-1:18 pm
1 stop5h 03m
Boise Air Term. Gowen Fld
Wed 5/13
2:23 pm-11:11 pm
1 stop7h 48m
$369
Showing 1-10 of 37 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-GEG
FSD-BOI
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-GEG
FSD-BOI
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 $250). Flying from Sioux Falls to Idaho in May is currently the most expensive (average of $1,043). 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?
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 April 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Sioux Falls to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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
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Complete your trip
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Sioux Falls and Idaho flights
Browse other Sioux Falls and Idaho flight options. Last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Sioux Falls to Idaho flights
Consider these flights traveling from Sioux Falls to Idaho.
Top 3 airlines flying from Sioux Falls to Idaho
Discover the top 3 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 2,558,603 searches. Data last updated April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$334 | Average$413 | FlexibilityNo cancel fee | On-time71% |