$105+ Cheap flights from Utah 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Cheapest flights from Utah to IdahoExplore the most affordable flight options available from Utah to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
Explore the most affordable flight options available from Utah to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 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 8/117:00 am
SLC
- GEG
1 stop8h 09m
American Airlines
Tue 8/185:20 am
GEG
- SLC
1 stop5h 09m
American Airlines
Deal found 7/7![American Airlines logo]()
$159
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.
Thu 7/2311:10 am
SLC
- WYS
Nonstop1h 16m
Delta
Sun 7/261:10 pm
WYS
- SLC
Nonstop1h 14m
Delta
Deal found 7/7![Delta logo]()
$188
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 8/139:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Thu 8/207:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/6![Delta logo]()
$199
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.
Fri 8/147:00 am
SLC
- WYS
1 stop6h 20m
United Airlines
Fri 8/214:44 pm
WYS
- SLC
1 stop4h 18m
United Airlines
Deal found 7/7![United Airlines logo]()
$208
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 8/46:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/7![Frontier logo]()
$210
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop25h 31m
Frontier
Deal found 7/6![Frontier logo]()
$220
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 10/277:25 am
SLC
- GEG
1 stop15h 15m
Alaska Airlines
Wed 10/287:16 am
GEG
- SLC
1 stop10h 43m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$224
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.
Sat 8/19:30 pm
SLC
- IDA
Nonstop1h 02m
Delta
Thu 8/611:35 am
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 7/6![Delta logo]()
$229
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Tue 8/41:24 pm
BOI
- SLC
1 stop18h 07m
Frontier
Deal found 7/3![Frontier logo]()
$230
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.
Sat 9/127:06 am
SLC
- GEG
1 stop17h 47m
Alaska Airlines
Sat 9/196:00 am
GEG
- SLC
1 stop11h 56m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$234
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:06 pm
SLC
- GEG
1 stop6h 01m
Alaska Airlines
Thu 8/207:03 am
GEG
- SLC
1 stop12h 56m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$238
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/6![Frontier logo]()
$240
Best flights from Utah to IdahoDiscover carefully curated flight deals from Utah to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
Discover carefully curated flight deals from Utah to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
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 8/1411:10 am
SLC
- WYS
Nonstop1h 17m
Delta
Fri 8/211:09 pm
WYS
- SLC
Nonstop1h 15m
Delta
Deal found 7/7![Delta logo]()
$188
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.
Tue 8/117:20 am
SLC
- BOI
1 stop6h 30m
Southwest
Wed 8/123:40 pm
BOI
- SLC
1 stop6h 45m
Southwest
Deal found 7/7![Southwest logo]()
$291
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 10/272:15 pm
SLC
- GEG
2 stops9h 18m
Alaska Airlines
Wed 10/287:16 am
GEG
- SLC
1 stop10h 43m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$299
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 7/2311:10 am
SLC
- WYS
Nonstop1h 16m
Delta
Sun 7/261:10 pm
WYS
- SLC
Nonstop1h 14m
Delta
Deal found 7/5![Delta logo]()
$188
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
SLC
- WYS
1 stop6h 20m
United Airlines
Tue 9/151:55 pm
WYS
- SLC
1 stop7h 07m
United Airlines
Deal found 7/6![United Airlines logo]()
$390
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.
Thu 7/231:47 pm
SLC
- IDA
1 stop26h 13m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- SLC
1 stop10h 39m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$415
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Thu 8/207:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/3![Delta logo]()
$199
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:36 pm
SGU
- BOI
1 stop6h 05m
American Airlines
Mon 9/146:30 am
BOI
- SGU
1 stop4h 30m
American Airlines
Deal found 7/3![American Airlines logo]()
$535
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.
Mon 7/279:30 pm
SLC
- IDA
Nonstop1h 02m
Delta
Thu 8/63:17 pm
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 7/5![Delta logo]()
$229
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.
Tue 8/41:27 pm
SLC
- IDA
Nonstop1h 08m
Delta
Tue 8/117:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/6![Delta logo]()
$229
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.
Thu 8/66:10 am
SLC
- GEG
2 stops7h 25m
Southwest
Thu 8/135:35 pm
GEG
- SLC
1 stop4h 25m
Southwest
Deal found 7/7![Southwest logo]()
$335
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.
Fri 9/116:26 pm
SLC
- GEG
1 stop6h 27m
Alaska Airlines
Sun 9/136:00 am
GEG
- SLC
1 stop11h 56m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$341
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:55 am
SLC
- LWS
Nonstop1h 48m
Delta
Mon 9/712:23 pm
LWS
- SLC
Nonstop1h 45m
Delta
Deal found 7/3![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:34 pm
SLC
- BOI
1 stop23h 28m
Alaska Airlines
Wed 8/266:49 pm
BOI
- SLC
1 stop24h 07m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$345
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.
Thu 9/248:44 am
SLC
- GEG
1 stop4h 04m
Alaska Airlines
Sun 9/276:00 am
GEG
- SLC
1 stop29h 02m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$350
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:47 pm
SLC
- IDA
2 stops25h 13m
Multiple Airlines
Fri 7/2410:47 pm
IDA
- SLC
1 stop10h 39m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$438
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:15 pm
SLC
- GEG
2 stops9h 05m
Southwest
Tue 10/136:05 am
GEG
- SLC
1 stop5h 55m
Southwest
Deal found 7/4![Southwest logo]()
$404
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.
Mon 7/279:30 pm
SLC
- IDA
Nonstop1h 02m
Delta
Fri 8/77:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/5![Delta logo]()
$289
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.
Sat 8/110:39 am
SLC
- WYS
1 stop5h 50m
United Airlines
Wed 8/52:07 pm
WYS
- SLC
1 stop6h 49m
United Airlines
Deal found 7/5![United Airlines logo]()
$481
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am
SLC
- GEG
2 stops9h 05m
Southwest
Tue 9/81:55 pm
GEG
- SLC
1 stop5h 35m
Southwest
Deal found 7/5![Southwest logo]()
$404
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:20 pm
SLC
- LWS
1 stop6h 48m
Delta
Mon 9/2112:14 pm
LWS
- SLC
Nonstop1h 41m
Delta
Deal found 7/3![Delta logo]()
$298
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 7/247:40 am
SLC
- GEG
1 stop16h 27m
Alaska Airlines
Thu 7/303:49 pm
GEG
- SLC
1 stop6h 47m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$408
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 8/285:00 am
SGU
- BOI
1 stop4h 35m
United Airlines
Sun 8/308:15 am
BOI
- SGU
2 stops32h 00m
United Airlines
Deal found 7/4![United Airlines logo]()
$502
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:31 pm
SLC
- LWS
1 stop6h 28m
Delta
Mon 8/2412:23 pm
LWS
- SLC
Nonstop1h 45m
Delta
Deal found 7/3![Delta logo]()
$318
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.
Tue 10/278:30 am
SGU
- IDA
1 stop5h 01m
United Airlines
Sat 10/315:40 pm
IDA
- SGU
1 stop4h 36m
United Airlines
Deal found 7/4![United Airlines logo]()
$516
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
SGU
- BOI
1 stop4h 34m
United Airlines
Sun 8/308:15 am
BOI
- SGU
2 stops32h 00m
United Airlines
Deal found 7/6![United Airlines logo]()
$517
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.
Mon 8/39:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Mon 8/107:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/6![Delta logo]()
$328
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.
Sat 9/197:06 am
SLC
- JAC
1 stop7h 24m
Alaska Airlines
Sat 9/263:10 pm
JAC
- SLC
1 stop27h 46m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$487
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.
Sat 10/248:20 am
SLC
- IDA
2 stops7h 15m
Alaska Airlines
Tue 10/274:12 pm
IDA
- SLC
2 stops26h 47m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$496
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.
Fri 9/119:30 am
SLC
- WYS
Nonstop1h 17m
Delta
Sun 9/1311:29 am
WYS
- SLC
Nonstop1h 14m
Delta
Deal found 7/4![Delta logo]()
$339
Last-minute flights from Utah to IdahoDiscover last-minute flight deals from Utah to Idaho. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Idaho. Data last updated July 7, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/6![Frontier logo]()
$240
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Tue 8/41:24 pm
BOI
- SLC
1 stop18h 07m
Frontier
Deal found 7/3![Frontier logo]()
$230
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Sun 8/21:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/3![Frontier logo]()
$260
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.
Sat 8/19:30 pm
SLC
- IDA
Nonstop1h 02m
Delta
Thu 8/611:35 am
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 7/6![Delta logo]()
$229
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 8/46:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop10h 20m
Frontier
Deal found 7/7![Frontier logo]()
$210
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Tue 8/111:24 pm
BOI
- SLC
1 stop25h 31m
Frontier
Deal found 7/6![Frontier logo]()
$220
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.
Thu 8/66:55 pm
SLC
- GEG
1 stop4h 15m
Southwest
Thu 8/135:10 pm
GEG
- SLC
1 stop5h 05m
Southwest
Deal found 7/7![Southwest logo]()
$260
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 8/139:41 am
SLC
- IDA
Nonstop1h 09m
Delta
Thu 8/207:00 pm
IDA
- SLC
Nonstop1h 10m
Delta
Deal found 7/6![Delta logo]()
$199
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Thu 8/2012:24 pm
BOI
- SLC
1 stop11h 35m
Frontier
Deal found 7/5![Frontier logo]()
$258
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.
Fri 8/147:00 am
SLC
- WYS
1 stop6h 20m
United Airlines
Fri 8/214:44 pm
WYS
- SLC
1 stop4h 18m
United Airlines
Deal found 7/7![United Airlines logo]()
$208
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.
Tue 8/1811:10 am
SLC
- WYS
Nonstop1h 17m
Delta
Tue 8/251:09 pm
WYS
- SLC
Nonstop1h 15m
Delta
Deal found 7/4![Delta logo]()
$188
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am
SLC
- BOI
1 stop5h 24m
Frontier
Sun 8/2312:24 pm
BOI
- SLC
1 stop11h 35m
Frontier
Deal found 7/5![Frontier logo]()
$264
One-way flights from Utah to IdahoSearch for one-way flight options from Utah to Idaho. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
Search for one-way flight options from Utah to Idaho. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
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 8/46:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/7![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:05 am
SLC
- BOI
1 stop6h 24m
Frontier
Deal found 7/2![Frontier logo]()
$115
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/7![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/2![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:25 am
SLC
- BOI
1 stop28h 39m
Frontier
Deal found 7/2![Frontier logo]()
$119
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.
Thu 9/31:51 pm
SLC
- IDA
1 stop19h 03m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$120
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/2![Frontier logo]()
$126
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:51 pm
SLC
- GEG
1 stop25h 43m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$127
This Frontier deal was found by Cheapflights users on 7/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:28 am
SLC
- BOI
1 stop4h 29m
Frontier
Deal found 7/2![Frontier logo]()
$129
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.
Sat 9/56:30 am
SLC
- GEG
1 stop5h 15m
Southwest
Deal found 7/7![Southwest logo]()
$130
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:41 pm
SLC
- BOI
1 stop20h 48m
Frontier
Deal found 7/4![Frontier logo]()
$131
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.
Thu 9/36:05 am
SLC
- BOI
1 stop5h 24m
Frontier
Deal found 7/7![Frontier logo]()
$134
Find flight deals from Utah to Idaho
Keep the following information in mind while searching for Utah to Idaho flight deals. Data was last updated July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (American Airlines) |
One-way from | $105 (Frontier) |
Popular in | April |
Cheapest in | November |
Average price | $479 |
Good round-trip deal | $288 or less |
Good one-way deal | $152 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Utah 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 July 7, 2026.
Use the filters below to find and compare flights from Utah to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CityWest Yellowstone
SLC - WYS
SLCWYS
Salt Lake City
Fri 8/14
11:10 am-12:27 pm
Nonstop1h 17m
West Yellowstone
Fri 8/21
1:09 pm-2:24 pm
Nonstop1h 15m
$188
Salt Lake CityWest Yellowstone
SLC - WYS
SLCWYS
Salt Lake City
Thu 7/23
11:10 am-12:26 pm
Nonstop1h 16m
West Yellowstone
Sun 7/26
1:10 pm-2:24 pm
Nonstop1h 14m
$188
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Thu 8/13
9:41 am-10:50 am
Nonstop1h 09m
Idaho Falls Fanning Field
Thu 8/20
7:00 pm-8:10 pm
Nonstop1h 10m
$199
Quickest round-trip
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Mon 7/27
9:30 pm-10:32 pm
Nonstop1h 02m
Idaho Falls Fanning Field
Thu 8/6
3:17 pm-4:26 pm
Nonstop1h 09m
$229
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Tue 8/4
1:27 pm-2:35 pm
Nonstop1h 08m
Idaho Falls Fanning Field
Tue 8/11
7:00 pm-8:10 pm
Nonstop1h 10m
$229
Salt Lake CityLewiston
SLC - LWS
SLCLWS
Salt Lake City
Fri 9/4
10:55 am-11:43 am
Nonstop1h 48m
Lewiston Nez Perce Rgnl
Mon 9/7
12:23 pm-3:08 pm
Nonstop1h 45m
$249
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Mon 7/27
9:30 pm-10:32 pm
Nonstop1h 02m
Idaho Falls Fanning Field
Fri 8/7
7:00 pm-8:10 pm
Nonstop1h 10m
$289
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Tue 8/11
7:20 am-1:50 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Wed 8/12
3:40 pm-10:25 pm
1 stop6h 45m
$291
Salt Lake CityLewiston
SLC - LWS
SLCLWS
Salt Lake City
Fri 9/18
5:20 pm-11:08 pm
1 stop6h 48m
Lewiston Nez Perce Rgnl
Mon 9/21
12:14 pm-2:55 pm
Nonstop1h 41m
$298
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Tue 10/27
2:15 pm-10:33 pm
2 stops9h 18m
Spokane
Wed 10/28
7:16 am-6:59 pm
1 stop10h 43m
$299
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Utah to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Utah with our price prediction graph.
SLC-WYS
SLC-IDA
SLC-BOI
SLC-GEG
SGU-BOI
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 Utah to Idaho
USUT-USID
SLC-WYS
SLC-IDA
SLC-BOI
SLC-GEG
What is the cheapest month to book a flight from Utah to Idaho?
Currently, January is the cheapest month in which you can book a flight from Utah to Idaho (average of $160). Flying from Utah to Idaho in June is currently the most expensive (average of $328). 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 UT to ID?
Find hourly flight availability from Utah to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 7, 2026.
When flying from Utah to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the afternoon.
Weekly flight availability from Utah to Idaho
Explore weekly flight availability from Utah to Idaho. 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 7, 2026.
The most flights from USUT to USID are scheduled on a Tuesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
What is the cheapest day to fly from Utah to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Utah to Idaho. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their Utah to Idaho flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 7, 2026.
Read reviews from past customers who have flown Delta from Utah to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAllan,Aug 2023
SLC - MCO
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAllan,Aug 2023
SLC - MCO
Related info for your journey
Find useful and relevant information for your journey from Utah 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Utah 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 Utah to Idaho by cabin class
Find flights from Utah to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Utah and Idaho flights
Browse other Utah and Idaho flight options. Last updated on July 7, 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 Utah after your stay in Idaho
Utah to Idaho flights
Consider these flights traveling from Utah to Idaho.
Top airline flying from Utah to Idaho
Discover the top airline that operate flights from Utah 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$422 | FlexibilityNo cancel fee | On-timeN/A |