$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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jun 19 — Jun 261
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 May 20, 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 May 20, 2026.
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/1211:10 am
SLC
- WYS
Nonstop1h 18m
Delta
Sun 6/141:10 pm
WYS
- SLC
Nonstop1h 16m
Delta
Deal found 5/17![Delta logo]()
$188
This Booking.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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.
Thu 6/1110:50 pm
SLC
- GEG
1 stop13h 46m
Frontier
Wed 6/1712:31 pm
GEG
- SLC
1 stop8h 24m
Frontier
Deal found 5/17![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/91:50 pm
SLC
- GEG
1 stop7h 34m
Multiple Airlines
Sun 8/169:14 pm
GEG
- SLC
1 stop11h 12m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$226
This Mytrip deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:41 pm
SLC
- BOI
1 stop20h 49m
Frontier
Sun 7/51:25 pm
BOI
- SLC
1 stop10h 19m
Frontier
Deal found 5/16![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/91:50 pm
SLC
- GEG
1 stop7h 11m
Multiple Airlines
Sun 7/128:51 pm
GEG
- SLC
1 stop11h 35m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/209:30 pm
SLC
- IDA
Nonstop1h 01m
Delta
Mon 6/226:00 am
IDA
- SLC
Nonstop1h 01m
Delta
Deal found 5/18![Delta logo]()
$259
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/1710:50 pm
SLC
- BOI
1 stop13h 40m
Frontier
Sun 6/211:25 pm
BOI
- SLC
1 stop25h 31m
Frontier
Deal found 5/18![Frontier logo]()
$260
This Orbitz deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:37 pm
SLC
- GEG
1 stop8h 30m
Multiple Airlines
Wed 8/1212:34 pm
GEG
- SLC
1 stop27h 02m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/91:50 pm
SLC
- GEG
1 stop7h 11m
Multiple Airlines
Thu 7/168:51 pm
GEG
- SLC
1 stop11h 35m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/191:50 pm
SLC
- GEG
1 stop7h 11m
Multiple Airlines
Sun 7/268:51 pm
GEG
- SLC
1 stop11h 35m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/119:30 pm
SLC
- IDA
Nonstop1h 01m
Delta
Wed 6/173:25 pm
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 5/16![Delta logo]()
$279
This Expedia deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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.
Mon 6/227:39 pm
SLC
- GEG
1 stop4h 20m
Multiple Airlines
Wed 6/2412:31 pm
GEG
- SLC
1 stop8h 24m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$280
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 May 20, 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 May 20, 2026.
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/179:35 am
SLC
- IDA
Nonstop1h 08m
Delta
Wed 6/247:00 pm
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 5/19![Delta logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/67:17 am
SLC
- GEG
1 stop15h 28m
Alaska Airlines
Mon 6/87:25 pm
GEG
- SLC
1 stop24h 19m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/128:30 am
SLC
- WYS
1 stop7h 32m
United Airlines
Sun 6/145:45 pm
WYS
- SLC
1 stop4h 59m
United Airlines
Deal found 5/19![United Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/197:00 pm
SLC
- GEG
1 stop7h 20m
Southwest
Mon 6/226:05 pm
GEG
- SLC
1 stop5h 00m
Southwest
Deal found 5/18![Southwest logo]()
$399
This American Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/17:25 am
SGU
- BOI
1 stop9h 44m
American Airlines
Thu 7/28:11 am
BOI
- SGU
1 stop27h 10m
American Airlines
Deal found 5/19![American Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/811:10 am
SLC
- WYS
Nonstop1h 18m
Delta
Tue 6/91:10 pm
WYS
- SLC
Nonstop1h 16m
Delta
Deal found 5/19![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/29:40 pm
SLC
- IDA
Nonstop1h 02m
Delta
Tue 6/911:25 am
IDA
- SLC
Nonstop1h 06m
Delta
Deal found 5/15![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/57:00 am
SLC
- WYS
1 stop6h 32m
United Airlines
Sat 6/65:45 pm
WYS
- SLC
1 stop4h 59m
United Airlines
Deal found 5/20![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/258:30 pm
SLC
- GEG
1 stop5h 00m
Southwest
Sat 6/273:25 pm
GEG
- SLC
1 stop7h 45m
Southwest
Deal found 5/15![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/268:15 am
SLC
- BOI
Nonstop1h 17m
Delta
Mon 6/2911:59 am
BOI
- SLC
Nonstop1h 15m
Delta
Deal found 5/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/137:00 am
SLC
- WYS
1 stop6h 32m
United Airlines
Wed 6/172:19 pm
WYS
- SLC
1 stop6h 37m
United Airlines
Deal found 5/16![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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.
Wed 8/52:45 pm
SLC
- GEG
2 stops8h 20m
Southwest
Wed 8/125:45 am
GEG
- SLC
2 stops8h 15m
Southwest
Deal found 5/17![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/188:15 am
SLC
- BOI
Nonstop1h 17m
Delta
Sun 6/218:25 am
BOI
- SLC
Nonstop1h 28m
Delta
Deal found 5/17![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 10/286:05 am
SLC
- SUN
1 stop5h 06m
Alaska Airlines
Sat 10/3111:53 am
SUN
- SLC
1 stop5h 53m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/178:15 am
SLC
- BOI
Nonstop1h 17m
Delta
Sun 6/218:25 am
BOI
- SLC
Nonstop1h 28m
Delta
Deal found 5/16![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/1910:39 am
SLC
- WYS
1 stop5h 23m
United Airlines
Fri 6/265:45 pm
WYS
- SLC
1 stop19h 33m
United Airlines
Deal found 5/18![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/195:35 am
SLC
- BOI
1 stop4h 10m
Southwest
Mon 6/225:55 pm
BOI
- SLC
1 stop7h 30m
Southwest
Deal found 5/18![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/198:15 am
SLC
- BOI
Nonstop1h 17m
Delta
Mon 6/221:11 pm
BOI
- SLC
Nonstop1h 16m
Delta
Deal found 5/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/48:30 am
SLC
- WYS
1 stop5h 02m
United Airlines
Sat 6/65:45 pm
WYS
- SLC
1 stop4h 59m
United Airlines
Deal found 5/19![United Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/187:00 pm
SLC
- BOI
1 stop6h 45m
Southwest
Sun 6/216:15 am
BOI
- SLC
1 stop5h 20m
Southwest
Deal found 5/19![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/151:30 pm
SLC
- IDA
Nonstop1h 07m
Delta
Sun 6/213:25 pm
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 5/18![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/107:40 am
SLC
- IDA
2 stops29h 26m
Alaska Airlines
Tue 6/167:15 am
IDA
- SLC
2 stops11h 47m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$566
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/187:00 pm
SLC
- BOI
1 stop6h 45m
Southwest
Mon 6/225:10 am
BOI
- SLC
1 stop5h 15m
Southwest
Deal found 5/17![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/135:45 pm
SLC
- BOI
Nonstop1h 20m
Delta
Sun 6/141:11 pm
BOI
- SLC
Nonstop1h 16m
Delta
Deal found 5/15![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/187:25 am
SGU
- GEG
1 stop7h 42m
American Airlines
Sun 6/216:30 am
GEG
- SGU
1 stop16h 45m
American Airlines
Deal found 5/18![American Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/175:05 am
SGU
- BOI
1 stop4h 40m
United Airlines
Wed 6/242:40 pm
BOI
- SGU
1 stop22h 33m
United Airlines
Deal found 5/18![United Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/215:50 am
SLC
- BOI
1 stop5h 15m
Southwest
Fri 7/317:20 pm
BOI
- SLC
2 stops6h 15m
Southwest
Deal found 5/19![Southwest logo]()
$456
This Alaska Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/277:39 pm
SLC
- IDA
1 stop17h 27m
Alaska Airlines
Sat 7/47:15 am
IDA
- SLC
1 stop10h 33m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/165:20 pm
SLC
- LWS
1 stop6h 59m
Delta
Tue 6/2312:16 pm
LWS
- SLC
Nonstop1h 44m
Delta
Deal found 5/18![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/22:50 pm
SLC
- BOI
2 stops8h 05m
Southwest
Sun 7/57:50 pm
BOI
- SLC
1 stop4h 20m
Southwest
Deal found 5/16![Southwest logo]()
$456
Last-minute flights from Utah to IdahoDiscover last-minute flight deals from Utah to Idaho. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Idaho. Data last updated May 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/41:32 pm
SLC
- IDA
1 stop26h 36m
Multiple Airlines
Mon 6/810:56 pm
IDA
- SLC
1 stop10h 39m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$297
This Booking.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Thu 6/410:54 pm
SLC
- GEG
1 stop13h 44m
Frontier
Mon 6/812:33 pm
GEG
- SLC
1 stop8h 26m
Frontier
Deal found 5/18![Frontier logo]()
$307
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/811:10 am
SLC
- WYS
Nonstop1h 18m
Delta
Tue 6/91:10 pm
WYS
- SLC
Nonstop1h 16m
Delta
Deal found 5/19![Delta logo]()
$290
This Booking.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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.
Thu 6/1110:50 pm
SLC
- GEG
1 stop13h 46m
Frontier
Wed 6/1712:31 pm
GEG
- SLC
1 stop8h 24m
Frontier
Deal found 5/17![Frontier logo]()
$221
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/119:30 pm
SLC
- IDA
Nonstop1h 01m
Delta
Wed 6/173:25 pm
IDA
- SLC
Nonstop1h 09m
Delta
Deal found 5/16![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/1211:10 am
SLC
- WYS
Nonstop1h 18m
Delta
Sun 6/141:10 pm
WYS
- SLC
Nonstop1h 16m
Delta
Deal found 5/17![Delta logo]()
$188
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/1710:50 pm
SLC
- BOI
1 stop13h 40m
Frontier
Sun 6/211:25 pm
BOI
- SLC
1 stop25h 31m
Frontier
Deal found 5/18![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/195:50 am
SGU
- BOI
1 stop3h 42m
Delta
Thu 6/256:42 pm
BOI
- SGU
1 stop3h 14m
Delta
Deal found 5/19![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/209:30 pm
SLC
- IDA
Nonstop1h 01m
Delta
Mon 6/226:00 am
IDA
- SLC
Nonstop1h 01m
Delta
Deal found 5/18![Delta logo]()
$259
This Expedia deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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.
Mon 6/227:39 pm
SLC
- GEG
1 stop4h 20m
Multiple Airlines
Wed 6/2412:31 pm
GEG
- SLC
1 stop8h 24m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/2710:50 pm
SLC
- BOI
1 stop13h 40m
Multiple Airlines
Sat 7/42:20 pm
BOI
- SLC
2 stops19h 06m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$301
This Mytrip deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:41 pm
SLC
- BOI
1 stop20h 49m
Frontier
Sun 7/51:25 pm
BOI
- SLC
1 stop10h 19m
Frontier
Deal found 5/16![Frontier logo]()
$238
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 May 20, 2026.
Search for one-way flight options from Utah to Idaho. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/91:50 pm
SLC
- IDA
1 stop26h 10m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$105
This CheapOair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/15![Frontier logo]()
$106
This Booking.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/1810:41 pm
SLC
- GEG
1 stop13h 52m
Frontier
Deal found 5/17![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 7/91:50 pm
SLC
- GEG
1 stop7h 11m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/121:50 pm
SLC
- IDA
1 stop26h 10m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 8/1210:41 pm
SLC
- BOI
1 stop13h 48m
Frontier
Deal found 5/19![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/91:50 pm
SLC
- IDA
1 stop26h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$118
This CheapOair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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.
Sat 7/1110:41 pm
SLC
- BOI
1 stop13h 48m
Frontier
Deal found 5/15![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/131:50 pm
SLC
- GEG
1 stop7h 34m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/161:50 pm
SLC
- IDA
1 stop26h 10m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$124
This Flightnetwork deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:50 pm
SLC
- BOI
1 stop13h 40m
Frontier
Deal found 5/17![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/810:41 pm
SLC
- BOI
1 stop13h 48m
Frontier
Deal found 5/19![Frontier logo]()
$126
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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $188 (Delta) |
One-way from | $105 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $424 |
Good round-trip deal | $379 or less |
Good one-way deal | $318 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 May 20, 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 CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Wed 6/17
9:35 am-10:43 am
Nonstop1h 08m
Idaho Falls Fanning Field
Wed 6/24
7:00 pm-8:09 pm
Nonstop1h 09m
$279
Salt Lake CityWest Yellowstone
SLC - WYS
SLCWYS
Salt Lake City
Mon 6/8
11:10 am-12:28 pm
Nonstop1h 18m
West Yellowstone
Tue 6/9
1:10 pm-2:26 pm
Nonstop1h 16m
$290
Quickest round-trip
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Tue 6/2
9:40 pm-10:42 pm
Nonstop1h 02m
Idaho Falls Fanning Field
Tue 6/9
11:25 am-12:31 pm
Nonstop1h 06m
$329
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Fri 6/26
8:15 am-9:32 am
Nonstop1h 17m
Boise Air Term. Gowen Fld
Mon 6/29
11:59 am-1:14 pm
Nonstop1h 15m
$339
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Thu 6/18
8:15 am-9:32 am
Nonstop1h 17m
Boise Air Term. Gowen Fld
Sun 6/21
8:25 am-9:53 am
Nonstop1h 28m
$339
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Wed 6/17
8:15 am-9:32 am
Nonstop1h 17m
Boise Air Term. Gowen Fld
Sun 6/21
8:25 am-9:53 am
Nonstop1h 28m
$339
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Fri 6/19
8:15 am-9:32 am
Nonstop1h 17m
Boise Air Term. Gowen Fld
Mon 6/22
1:11 pm-2:27 pm
Nonstop1h 16m
$339
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Mon 6/15
1:30 pm-2:37 pm
Nonstop1h 07m
Idaho Falls Fanning Field
Sun 6/21
3:25 pm-4:34 pm
Nonstop1h 09m
$339
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Sat 6/13
5:45 pm-7:05 pm
Nonstop1h 20m
Boise Air Term. Gowen Fld
Sun 6/14
1:11 pm-2:27 pm
Nonstop1h 16m
$359
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Sat 6/6
7:17 am-9:45 pm
1 stop15h 28m
Spokane
Mon 6/8
7:25 pm-8:44 pm
1 stop24h 19m
$363
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-GEG
SLC-BOI
SLC-IDA
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-GEG
SLC-BOI
SLC-IDA
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 April is currently the most expensive (average of $282). 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 May 20, 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 26% 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 May 20, 2026.
The most flights from USUT to USID are scheduled on a Wednesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Utah 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 May 20, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Utah to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 May 20, 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 2 airlines flying from Utah to Idaho
Discover the top 2 airlines 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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$308 | FlexibilityNo cancel fee | On-time69% |