$80+ Cheap flights from Idaho to Utah
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Utah with Cheapflights
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Cheapest flights from Idaho to UtahExplore the most affordable flight options available from Idaho to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
Explore the most affordable flight options available from Idaho to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:00 pm
GEG
- SLC
1 stop7h 03m
American Airlines
Tue 8/117:00 am
SLC
- GEG
1 stop8h 09m
American Airlines
Deal found 7/7![American Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm
BOI
- SLC
1 stop10h 35m
Frontier
Wed 8/267:08 pm
SLC
- BOI
1 stop16h 21m
Frontier
Deal found 7/7![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:24 pm
BOI
- SLC
1 stop5h 59m
Frontier
Tue 8/256:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/8![Frontier logo]()
$170
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:20 am
GEG
- SLC
1 stop5h 09m
American Airlines
Mon 8/177:12 am
SLC
- GEG
1 stop7h 57m
American Airlines
Deal found 7/7![American Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:17 pm
TWF
- SLC
Nonstop1h 01m
Delta
Wed 8/129:45 am
SLC
- TWF
Nonstop1h 02m
Delta
Deal found 7/6![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:56 pm
IDA
- SLC
Nonstop1h 14m
Delta
Sat 12/125:10 pm
SLC
- IDA
Nonstop1h 04m
Delta
Deal found 7/8![Delta logo]()
$199
This Frontier deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Tue 8/116:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/8![Frontier logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:16 am
GEG
- SLC
1 stop13h 29m
Alaska Airlines
Wed 10/282:15 pm
SLC
- GEG
1 stop9h 36m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:15 am
TWF
- SLC
Nonstop0h 57m
Delta
Wed 7/229:20 pm
SLC
- TWF
Nonstop0h 57m
Delta
Deal found 7/4![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
IDA
- SLC
Nonstop1h 04m
Delta
Sun 8/95:11 pm
SLC
- IDA
Nonstop1h 09m
Delta
Deal found 7/5![Delta logo]()
$229
This Trip.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Wed 8/123:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/7![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Thu 8/136:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/7![Frontier logo]()
$234
Best flights from Idaho to UtahDiscover carefully curated flight deals from Idaho to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Idaho to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:37 am
TWF
- SLC
Nonstop0h 59m
Delta
Thu 8/209:20 pm
SLC
- TWF
Nonstop0h 58m
Delta
Deal found 7/6![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:03 am
GEG
- SLC
1 stop12h 56m
Alaska Airlines
Wed 8/262:34 pm
SLC
- GEG
1 stop9h 15m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:54 pm
IDA
- SLC
1 stop10h 32m
Multiple Airlines
Mon 8/106:05 am
SLC
- IDA
2 stops10h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Sun 8/25:46 pm
BOI
- SGU
1 stop5h 11m
United Airlines
Sat 8/85:10 am
SGU
- BOI
1 stop4h 43m
United Airlines
Deal found 7/4![United Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:50 pm
GEG
- SLC
1 stop7h 40m
Southwest
Mon 8/176:10 am
SLC
- GEG
1 stop6h 30m
Southwest
Deal found 7/7![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:25 pm
TWF
- SLC
Nonstop1h 00m
Delta
Mon 7/279:20 pm
SLC
- TWF
Nonstop0h 57m
Delta
Deal found 7/8![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:26 pm
TWF
- SLC
Nonstop1h 01m
Delta
Wed 8/121:40 pm
SLC
- TWF
Nonstop1h 00m
Delta
Deal found 7/6![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:35 am
TWF
- SLC
Nonstop0h 58m
Delta
Sun 7/269:20 pm
SLC
- TWF
Nonstop0h 57m
Delta
Deal found 7/8![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/4. 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 8/111:35 am
TWF
- SLC
Nonstop0h 58m
Delta
Sat 8/89:45 am
SLC
- TWF
Nonstop1h 02m
Delta
Deal found 7/4![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:25 pm
TWF
- SLC
Nonstop1h 00m
Delta
Wed 7/291:35 pm
SLC
- TWF
Nonstop0h 59m
Delta
Deal found 7/5![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:34 pm
GEG
- SLC
1 stop4h 21m
Alaska Airlines
Sat 10/179:40 am
SLC
- GEG
1 stop6h 00m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:55 pm
BOI
- SLC
1 stop4h 30m
Southwest
Tue 9/156:45 am
SLC
- BOI
2 stops6h 55m
Southwest
Deal found 7/7![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:05 pm
IDA
- SLC
Nonstop1h 09m
Delta
Sat 12/125:10 pm
SLC
- IDA
Nonstop1h 04m
Delta
Deal found 7/5![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:00 am
BOI
- SGU
1 stop4h 51m
United Airlines
Mon 7/275:41 pm
SGU
- BOI
1 stop4h 56m
United Airlines
Deal found 7/5![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:13 am
GEG
- SLC
1 stop4h 42m
Alaska Airlines
Mon 8/176:06 pm
SLC
- GEG
1 stop6h 01m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
BOI
- SGU
1 stop5h 20m
United Airlines
Sat 8/295:00 am
SGU
- BOI
1 stop4h 34m
United Airlines
Deal found 7/7![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:35 am
TWF
- SLC
Nonstop0h 58m
Delta
Tue 8/49:20 pm
SLC
- TWF
Nonstop0h 58m
Delta
Deal found 7/5![Delta logo]()
$229
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:40 pm
IDA
- SGU
1 stop4h 36m
United Airlines
Tue 11/175:00 am
SGU
- IDA
1 stop4h 53m
United Airlines
Deal found 7/7![United Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:49 pm
GEG
- SLC
1 stop4h 00m
Alaska Airlines
Mon 9/216:26 pm
SLC
- GEG
1 stop6h 27m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/4. 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.
Sun 8/27:00 pm
IDA
- SLC
Nonstop1h 09m
Delta
Sat 8/89:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Deal found 7/4![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:45 pm
TWF
- SLC
1 stop19h 41m
Multiple Airlines
Sun 7/261:47 pm
SLC
- TWF
1 stop22h 13m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:41 am
BOI
- SLC
1 stop14h 04m
Alaska Airlines
Wed 10/287:25 am
SLC
- BOI
1 stop6h 22m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Fri 7/245:54 pm
IDA
- SGU
1 stop5h 03m
United Airlines
Sun 7/265:10 am
SGU
- IDA
1 stop4h 40m
United Airlines
Deal found 7/4![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:23 pm
LWS
- SLC
Nonstop1h 45m
Delta
Tue 8/1110:55 am
SLC
- LWS
Nonstop1h 48m
Delta
Deal found 7/5![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:42 pm
GEG
- SLC
1 stop6h 59m
Alaska Airlines
Sat 8/87:40 am
SLC
- GEG
1 stop16h 27m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:35 am
IDA
- SGU
1 stop7h 37m
United Airlines
Sat 9/510:55 am
SGU
- IDA
1 stop4h 28m
United Airlines
Deal found 7/7![United Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:16 am
GEG
- SLC
1 stop10h 43m
Alaska Airlines
Wed 10/287:25 am
SLC
- GEG
2 stops8h 15m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:23 pm
LWS
- SLC
Nonstop1h 45m
Delta
Wed 8/265:31 pm
SLC
- LWS
1 stop6h 28m
Delta
Deal found 7/7![Delta logo]()
$258
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:30 am
BOI
- SGU
1 stop6h 43m
United Airlines
Sat 8/155:00 am
SGU
- BOI
1 stop4h 34m
United Airlines
Deal found 7/5![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 7/4. 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.
Sun 8/212:18 pm
LWS
- SLC
Nonstop1h 44m
Delta
Sat 8/810:55 am
SLC
- LWS
Nonstop1h 48m
Delta
Deal found 7/4![Delta logo]()
$269
Last-minute flights from Idaho to UtahDiscover last-minute flight deals from Idaho to Utah. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Utah. Data last updated July 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:15 am
TWF
- SLC
Nonstop0h 57m
Delta
Wed 7/229:20 pm
SLC
- TWF
Nonstop0h 57m
Delta
Deal found 7/4![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
IDA
- SLC
Nonstop1h 04m
Delta
Sun 8/95:11 pm
SLC
- IDA
Nonstop1h 09m
Delta
Deal found 7/5![Delta logo]()
$229
This Frontier deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Tue 8/116:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/8![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:17 pm
TWF
- SLC
Nonstop1h 01m
Delta
Wed 8/129:45 am
SLC
- TWF
Nonstop1h 02m
Delta
Deal found 7/6![Delta logo]()
$179
This Trip.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Wed 8/123:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/7![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Thu 8/136:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/7![Frontier logo]()
$234
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Thu 8/206:05 am
SLC
- BOI
1 stop5h 24m
Frontier
Deal found 7/3![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:24 pm
BOI
- SLC
1 stop10h 35m
Frontier
Sun 8/236:05 am
SLC
- BOI
1 stop5h 24m
Frontier
Deal found 7/7![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:24 pm
BOI
- SLC
1 stop5h 59m
Frontier
Tue 8/256:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/8![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Fri 8/289:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Deal found 7/7![Delta logo]()
$199
This Booking.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:24 pm
BOI
- SLC
1 stop11h 35m
Frontier
Wed 8/267:08 pm
SLC
- BOI
1 stop16h 21m
Frontier
Deal found 7/5![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm
BOI
- SLC
1 stop10h 35m
Frontier
Wed 8/267:08 pm
SLC
- BOI
1 stop16h 21m
Frontier
Deal found 7/7![Frontier logo]()
$167
One-way flights from Idaho to UtahSearch for one-way flight options from Idaho to Utah. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Idaho to Utah. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:20 am
GEG
- SLC
1 stop5h 09m
American Airlines
Deal found 7/7![American Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 pm
BOI
- SLC
1 stop23h 37m
Frontier
Deal found 7/8![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:54 pm
IDA
- SLC
1 stop10h 32m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$102
This Priceline deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:59 pm
BOI
- SLC
1 stop7h 34m
Frontier
Deal found 7/7![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/8![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 pm
GEG
- SLC
1 stop24h 33m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
TWF
- SLC
1 stop19h 41m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:47 pm
IDA
- SLC
1 stop10h 39m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$113
This Trip.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- SLC
1 stop25h 31m
Frontier
Deal found 7/5![Frontier logo]()
$115
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:16 am
GEG
- SLC
1 stop27h 31m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:45 pm
TWF
- SLC
1 stop24h 11m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:14 pm
GEG
- SLC
1 stop11h 12m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$121
Find flight deals from Idaho to Utah
Keep the following information in mind while searching for Idaho to Utah flight deals. Data was last updated July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (American Airlines) |
One-way from | $80 (American Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $459 |
Good round-trip deal | $357 or less |
Good one-way deal | $203 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Utah 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 July 9, 2026.
Use the filters below to find and compare flights from Idaho to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Thu 8/13
11:37 am-12:36 pm
Nonstop0h 59m
Salt Lake City
Thu 8/20
9:20 pm-10:18 pm
Nonstop0h 58m
$179
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Thu 7/23
3:25 pm-4:25 pm
Nonstop1h 00m
Salt Lake City
Mon 7/27
9:20 pm-10:17 pm
Nonstop0h 57m
$179
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Wed 8/5
3:26 pm-4:27 pm
Nonstop1h 01m
Salt Lake City
Wed 8/12
1:40 pm-2:40 pm
Nonstop1h 00m
$179
Quickest round-trip
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Fri 7/24
11:35 am-12:33 pm
Nonstop0h 58m
Salt Lake City
Sun 7/26
9:20 pm-10:17 pm
Nonstop0h 57m
$179
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Sat 8/1
11:35 am-12:33 pm
Nonstop0h 58m
Salt Lake City
Sat 8/8
9:45 am-10:47 am
Nonstop1h 02m
$179
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Wed 7/22
3:25 pm-4:25 pm
Nonstop1h 00m
Salt Lake City
Wed 7/29
1:35 pm-2:34 pm
Nonstop0h 59m
$179
Idaho FallsSalt Lake City
IDA - SLC
IDASLC
Idaho Falls Fanning Field
Thu 11/5
1:05 pm-2:14 pm
Nonstop1h 09m
Salt Lake City
Sat 12/12
5:10 pm-6:14 pm
Nonstop1h 04m
$199
Twin FallsSalt Lake City
TWF - SLC
TWFSLC
Twin Falls Joslin
Sat 7/18
11:35 am-12:33 pm
Nonstop0h 58m
Salt Lake City
Tue 8/4
9:20 pm-10:18 pm
Nonstop0h 58m
$229
Idaho FallsSalt Lake City
IDA - SLC
IDASLC
Idaho Falls Fanning Field
Sun 8/2
7:00 pm-8:09 pm
Nonstop1h 09m
Salt Lake City
Sat 8/8
9:41 am-10:50 am
Nonstop1h 09m
$229
SpokaneSalt Lake City
GEG - SLC
GEGSLC
Spokane
Mon 8/24
7:03 am-8:59 pm
1 stop12h 56m
Salt Lake City
Wed 8/26
2:34 pm-10:49 pm
1 stop9h 15m
$237
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from Idaho with our price prediction graph.
GEG-SLC
BOI-SLC
IDA-SLC
TWF-SLC
BOI-SGU
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 Utah
USID-USUT
GEG-SLC
BOI-SLC
IDA-SLC
TWF-SLC
What is the cheapest month to book a flight from Idaho to Utah?
Currently, January is the cheapest month in which you can book a flight from Idaho to Utah (average of $138). Flying from Idaho to Utah in March is currently the most expensive (average of $242). 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.
What is the cheapest time of day to fly from ID to UT?
Find hourly flight availability from Idaho to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2026.
It’s typically best to fly out from Idaho to Utah in the evening. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Idaho to Utah
Explore weekly flight availability from Idaho to Utah. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 9, 2026.
The most flights from USID to USUT are scheduled on a Wednesday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Idaho to Utah?
How far ahead should I book a flight from Idaho to Utah?
To ensure you get the cheapest price possible for a flight from Idaho to Utah, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Idaho to Utah?
Use this chart to determine the cheapest time to fly round-trip from Idaho to Utah. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their Idaho to Utah flight should consider departing on Sunday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated July 9, 2026.
Read through reviews of airlines operating flights from Idaho to Utah, such as Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Idaho to Utah. 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 Idaho to Utah
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Utah by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Utah by cabin class
Find flights from Idaho to Utah, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Utah flights
Browse other Idaho and Utah flight options. Last updated on July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Utah
Find the right flight back to Idaho after your stay in Utah
Idaho to Utah flights
Consider these flights traveling from Idaho to Utah.
Top 2 airlines flying from Idaho to Utah
Discover the top 2 airlines that operate flights from Idaho to Utah. 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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$178 | Average$545 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$278 | FlexibilityNo cancel fee | On-time69% |