$82+ Cheap flights from Sky Harbor Intl (PHX) 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from Sky Harbor Intl to IdahoExplore the most affordable flight options available from Sky Harbor Intl to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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.
Wed 4/2912:50 pm
PHX
- GEG
1 stop21h 59m
Frontier
Sun 5/311:44 am
GEG
- PHX
1 stop19h 52m
Frontier
Deal found 3/21![Frontier logo]()
$176
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/148:25 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Wed 4/1511:35 am
BOI
- PHX
1 stop9h 10m
Southwest
Deal found 3/22![Southwest logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/79:42 am
PHX
- GEG
1 stop10h 47m
Multiple Airlines
Sun 5/109:19 pm
GEG
- PHX
1 stop11h 28m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$182
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:53 pm
PHX
- BOI
1 stop16h 37m
Frontier
Tue 6/21:25 pm
BOI
- PHX
1 stop26h 58m
Frontier
Deal found 3/20![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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.
Fri 4/178:40 pm
PHX
- BOI
Nonstop2h 18m
Multiple Airlines
Sun 4/1911:53 am
BOI
- PHX
1 stop20h 43m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$194
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Tue 6/91:04 pm
BOI
- PHX
1 stop11h 30m
Frontier
Deal found 3/20![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:40 pm
PHX
- BOI
Nonstop2h 18m
Multiple Airlines
Tue 5/51:22 pm
BOI
- PHX
1 stop27h 01m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$204
This Expedia deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 5/75:15 am
PHX
- BOI
1 stop6h 12m
Frontier
Tue 5/121:22 pm
BOI
- PHX
1 stop11h 09m
Frontier
Deal found 3/22![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/239:00 am
PHX
- GEG
1 stop11h 29m
Multiple Airlines
Sun 4/269:19 pm
GEG
- PHX
1 stop23h 33m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$205
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 6/34:29 pm
PHX
- BOI
1 stop19h 01m
Frontier
Tue 6/91:04 pm
BOI
- PHX
1 stop11h 30m
Frontier
Deal found 3/22![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/19. 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 5/206:53 pm
PHX
- BOI
1 stop16h 37m
Frontier
Sun 5/241:25 pm
BOI
- PHX
1 stop19h 19m
Frontier
Deal found 3/19![Frontier logo]()
$216
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:53 pm
PHX
- GEG
1 stop16h 45m
Frontier
Mon 5/1112:33 pm
GEG
- PHX
1 stop10h 58m
Frontier
Deal found 3/20![Frontier logo]()
$217
Best flights from Sky Harbor Intl to IdahoDiscover carefully curated flight deals from Sky Harbor Intl to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/18. 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.
Sat 4/187:00 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Sat 4/257:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 3/18![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/146:40 am
PHX
- BOI
1 stop7h 23m
Delta
Tue 4/216:16 pm
BOI
- PHX
1 stop6h 22m
Delta
Deal found 3/22![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:40 pm
PHX
- BOI
Nonstop2h 18m
Alaska Airlines
Mon 4/206:00 am
BOI
- PHX
1 stop7h 52m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/37:10 am
PHX
- JAC
1 stop5h 46m
United Airlines
Tue 4/74:15 pm
JAC
- PHX
1 stop5h 04m
United Airlines
Deal found 3/19![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/309:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Mon 5/47:55 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 3/22![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:16 pm
PHX
- BOI
1 stop5h 48m
Delta
Sat 5/166:00 am
BOI
- PHX
1 stop3h 28m
Delta
Deal found 3/22![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 4/157:00 am
PHX
- BOI
1 stop15h 47m
Alaska Airlines
Sat 4/188:04 pm
BOI
- PHX
1 stop4h 23m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/159:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Mon 5/187:55 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 3/21![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 3/18. 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 4/174:40 pm
PHX
- BOI
1 stop5h 20m
Delta
Mon 4/203:44 pm
BOI
- PHX
1 stop8h 34m
Delta
Deal found 3/18![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 5/19:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Mon 5/42:15 pm
BOI
- PHX
1 stop4h 30m
Southwest
Deal found 3/22![Southwest logo]()
$243
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:25 am
PHX
- GEG
1 stop5h 48m
Delta
Tue 5/269:30 am
GEG
- PHX
1 stop7h 07m
Delta
Deal found 3/20![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Thu 4/161:45 pm
PHX
- JAC
1 stop6h 08m
United Airlines
Mon 4/202:35 pm
JAC
- PHX
1 stop6h 44m
United Airlines
Deal found 3/20![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/146:28 pm
PHX
- GEG
1 stop21h 06m
Alaska Airlines
Tue 4/289:20 am
GEG
- PHX
1 stop5h 16m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 3/17. 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.
Fri 5/15:45 am
PHX
- GEG
2 stops7h 05m
Southwest
Mon 5/42:50 pm
GEG
- PHX
2 stops8h 20m
Southwest
Deal found 3/17![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
PHX
- GEG
1 stop8h 34m
Alaska Airlines
Tue 4/216:20 am
GEG
- PHX
1 stop7h 52m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 3/18. 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 6/271:20 pm
PHX
- JAC
1 stop4h 37m
Delta
Sat 7/45:30 pm
JAC
- PHX
1 stop5h 11m
Delta
Deal found 3/18![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 4/26:00 am
PHX
- SUN
1 stop6h 35m
United Airlines
Mon 4/62:24 pm
SUN
- PHX
1 stop5h 21m
United Airlines
Deal found 3/18![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:05 am
PHX
- SUN
1 stop4h 52m
Delta
Tue 5/1212:39 pm
SUN
- PHX
1 stop4h 20m
Delta
Deal found 3/21![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/56:00 am
PHX
- SUN
1 stop7h 22m
United Airlines
Thu 4/92:24 pm
SUN
- PHX
1 stop6h 55m
United Airlines
Deal found 3/21![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 6/28:20 pm
PHX
- GEG
Nonstop2h 35m
Southwest
Sat 6/63:20 pm
GEG
- PHX
1 stop4h 20m
Southwest
Deal found 3/21![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:13 pm
PHX
- JAC
1 stop22h 54m
Alaska Airlines
Sat 6/272:11 pm
JAC
- PHX
1 stop5h 00m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/276:05 am
PHX
- JAC
1 stop3h 43m
Delta
Sun 5/315:59 pm
JAC
- PHX
1 stop6h 30m
Delta
Deal found 3/21![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 3/17. 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.
Mon 6/810:50 pm
PHX
- GEG
Nonstop2h 30m
Southwest
Sat 6/136:25 am
GEG
- PHX
Nonstop2h 35m
Southwest
Deal found 3/17![Southwest logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:54 pm
PHX
- GEG
1 stop7h 23m
Alaska Airlines
Sat 4/189:08 am
GEG
- PHX
1 stop5h 04m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 4/286:00 am
PHX
- SUN
1 stop6h 35m
United Airlines
Sat 5/22:30 pm
SUN
- PHX
1 stop6h 49m
United Airlines
Deal found 3/19![United Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 6/246:00 am
PHX
- JAC
2 stops9h 59m
Delta
Mon 6/296:06 pm
JAC
- PHX
1 stop5h 08m
Delta
Deal found 3/21![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 3/19. 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.
Fri 5/89:55 pm
PHX
- GEG
Nonstop2h 35m
Southwest
Mon 5/115:35 pm
GEG
- PHX
1 stop5h 25m
Southwest
Deal found 3/19![Southwest logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:41 pm
PHX
- IDA
1 stop7h 11m
Alaska Airlines
Sat 4/184:59 pm
IDA
- PHX
1 stop7h 01m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/86:00 am
PHX
- WYS
1 stop6h 28m
United Airlines
Mon 5/112:03 pm
WYS
- PHX
1 stop5h 59m
United Airlines
Deal found 3/21![United Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 3/19. 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 4/37:05 am
PHX
- JAC
2 stops8h 42m
Delta
Tue 4/75:50 pm
JAC
- PHX
1 stop6h 49m
Delta
Deal found 3/19![Delta logo]()
$362
Last-minute flights from Sky Harbor Intl to IdahoDiscover last-minute flight deals from Sky Harbor Intl to Idaho. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Idaho. Data last updated March 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/148:25 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Wed 4/1511:35 am
BOI
- PHX
1 stop9h 10m
Southwest
Deal found 3/22![Southwest logo]()
$182
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:40 pm
PHX
- BOI
Nonstop2h 18m
Multiple Airlines
Tue 5/51:22 pm
BOI
- PHX
1 stop27h 01m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$204
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/156:51 pm
PHX
- BOI
1 stop15h 17m
Frontier
Sun 4/1911:53 am
BOI
- PHX
1 stop20h 43m
Frontier
Deal found 3/19![Frontier logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 4/158:40 pm
PHX
- BOI
Nonstop2h 18m
Alaska Airlines
Sat 4/181:02 pm
BOI
- PHX
Nonstop2h 10m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/158:07 pm
PHX
- GEG
1 stop24h 22m
Multiple Airlines
Sun 4/199:19 pm
GEG
- PHX
2 stops18h 49m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/1612:13 pm
PHX
- GEG
1 stop8h 16m
Multiple Airlines
Sun 4/199:19 pm
GEG
- PHX
1 stop12h 49m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/169:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Mon 4/207:55 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 3/22![Southwest logo]()
$229
This Expedia deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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.
Fri 4/178:40 pm
PHX
- BOI
Nonstop2h 18m
Multiple Airlines
Sun 4/1911:53 am
BOI
- PHX
1 stop20h 43m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$194
This Orbitz deal was found by Cheapflights users on 3/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:21 pm
PHX
- GEG
1 stop8h 38m
Alaska Airlines
Sat 4/257:27 am
GEG
- PHX
1 stop7h 34m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/239:00 am
PHX
- GEG
1 stop11h 29m
Multiple Airlines
Sun 4/269:19 pm
GEG
- PHX
1 stop23h 33m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$205
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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.
Wed 4/2912:50 pm
PHX
- GEG
1 stop21h 59m
Frontier
Sun 5/311:44 am
GEG
- PHX
1 stop19h 52m
Frontier
Deal found 3/21![Frontier logo]()
$176
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/292:35 pm
PHX
- BOI
Nonstop2h 18m
American Airlines
Sat 5/26:45 am
BOI
- PHX
Nonstop2h 20m
American Airlines
Deal found 3/22![American Airlines logo]()
$224
One-way flights from Sky Harbor Intl to IdahoSearch for one-way flight options from Sky Harbor Intl to Idaho. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Sky Harbor Intl to Idaho. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:17 pm
PHX
- BOI
1 stop19h 10m
Frontier
Deal found 3/23![Frontier logo]()
$82
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:25 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 3/23![Southwest logo]()
$84
This Super.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:50 am
PHX
- GEG
1 stop27h 59m
Frontier
Deal found 3/22![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:29 pm
PHX
- GEG
1 stop19h 09m
Frontier
Deal found 3/20![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Deal found 3/19![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:15 am
PHX
- GEG
1 stop6h 23m
Frontier
Deal found 3/19![Frontier logo]()
$99
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Sat 4/189:52 am
PHX
- BOI
1 stop24h 16m
Frontier
Deal found 3/19![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/2312:13 pm
PHX
- IDA
1 stop26h 14m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$103
This Super.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:24 pm
PHX
- GEG
1 stop13h 25m
Frontier
Deal found 3/21![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/158:07 pm
PHX
- GEG
1 stop24h 22m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$107
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:40 pm
PHX
- BOI
Nonstop2h 18m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$109
This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:51 pm
PHX
- GEG
1 stop15h 58m
Frontier
Deal found 3/19![Frontier logo]()
$109
Find flight deals from Sky Harbor Intl to Idaho
Keep the following information in mind while searching for Sky Harbor Intl to Idaho flight deals. Data was last updated March 23, 2026.
Round-trip from | $176 (Trip.com) |
|---|---|
One-way from | $82 (CheapOair) |
Popular in | December |
Cheapest in | January |
Average price | $318 |
Good round-trip deal | $247 or less |
Good one-way deal | $175 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 March 23, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sat 4/18
7:00 pm-10:05 pm
Nonstop2h 05m
Boise Air Term. Gowen Fld
Sat 4/25
7:05 am-8:10 am
Nonstop2h 05m
$217
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 4/30
9:55 pm-1:00 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Mon 5/4
7:55 pm-9:00 pm
Nonstop2h 05m
$229
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 4/14
6:40 am-3:03 pm
1 stop7h 23m
Boise Air Term. Gowen Fld
Tue 4/21
6:16 pm-11:38 pm
1 stop6h 22m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 5/12
5:16 pm-12:04 am
1 stop5h 48m
Boise Air Term. Gowen Fld
Sat 5/16
6:00 am-8:28 am
1 stop3h 28m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 5/15
9:55 pm-1:00 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Mon 5/18
7:55 pm-9:00 pm
Nonstop2h 05m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 5/1
9:55 pm-1:00 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Mon 5/4
2:15 pm-5:45 pm
1 stop4h 30m
$243
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 4/17
8:40 pm-11:58 pm
Nonstop2h 18m
Boise Air Term. Gowen Fld
Mon 4/20
6:00 am-12:52 pm
1 stop7h 52m
$247
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 4/17
4:40 pm-11:00 pm
1 stop5h 20m
Boise Air Term. Gowen Fld
Mon 4/20
3:44 pm-11:18 pm
1 stop8h 34m
$257
PhoenixSpokane
PHX - GEG
PHXGEG
Phoenix Sky Harbor Intl
Wed 5/20
6:25 am-12:13 pm
1 stop5h 48m
Spokane
Tue 5/26
9:30 am-4:37 pm
1 stop7h 07m
$257
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 4/15
7:00 am-11:47 pm
1 stop15h 47m
Boise Air Term. Gowen Fld
Sat 4/18
8:04 pm-11:27 pm
1 stop4h 23m
$260
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Sky Harbor Intl to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Sky Harbor Intl with our price prediction graph.
PHX-BOI
PHX-JAC
PHX-GEG
PHX-SUN
PHX-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Idaho
PHX-USID
PHX-BOI
PHX-JAC
PHX-GEG
PHX-SUN
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Idaho?
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Idaho (average of $115). Flying from Phoenix Sky Harbor Intl Airport to Idaho in March is currently the most expensive (average of $180). 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 PHX to ID?
Find hourly flight availability from Sky Harbor Intl 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 March 23, 2026.
It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Idaho in the morning. Doing so could potentially save you 5% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Idaho. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Idaho flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Idaho
Explore weekly flight availability from Sky Harbor Intl 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 March 23, 2026.
The most flights from PHX to USID are scheduled on a Friday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
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 March 23, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Phoenix Sky Harbor Intl Airport to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Sky Harbor Intl to Idaho
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Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
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Sky Harbor Intl and Idaho flights
Browse other Sky Harbor Intl and Idaho flight options. Last updated on March 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Sky Harbor Intl to Idaho flights
Consider these flights traveling from Sky Harbor Intl to Idaho.
Top 6 airlines flying from Sky Harbor Intl to Idaho
Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$207 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$237 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$151 | Average$253 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$445 | FlexibilityNo cancel fee | On-time69% |