$85+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jun 21 — Jun 281
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 May 22, 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 May 22, 2026.
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 8/610:27 pm
PHX
- IDA
1 stop16h 38m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- PHX
1 stop15h 01m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$177
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.
Thu 6/1110:32 pm
PHX
- IDA
1 stop16h 36m
Multiple Airlines
Mon 6/1510:56 pm
IDA
- PHX
1 stop14h 59m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$225
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.
Fri 7/177:45 am
PHX
- IDA
1 stop7h 15m
Multiple Airlines
Mon 7/2010:47 pm
IDA
- PHX
1 stop15h 12m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$228
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.
Mon 6/86:51 pm
PHX
- BOI
1 stop16h 39m
Frontier
Thu 6/111:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/18![Frontier logo]()
$235
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:26 pm
PHX
- BOI
Nonstop2h 14m
American Airlines
Wed 9/95:11 pm
BOI
- PHX
Nonstop2h 14m
American Airlines
Deal found 5/20![American Airlines logo]()
$237
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.
Fri 6/127:45 am
PHX
- IDA
1 stop7h 23m
Multiple Airlines
Mon 6/1510:56 pm
IDA
- PHX
1 stop25h 04m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$245
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.
Fri 6/1912:10 pm
PHX
- IDA
1 stop8h 56m
Multiple Airlines
Mon 6/2210:56 pm
IDA
- PHX
1 stop25h 04m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$246
This CheapOair deal was found by Cheapflights users on 5/22. 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.
Sat 9/198:20 am
PHX
- BOI
1 stop6h 10m
Alaska Airlines
Wed 9/235:42 pm
BOI
- PHX
Nonstop2h 13m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$247
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.
Sat 7/184:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Tue 7/211:25 pm
BOI
- PHX
1 stop24h 52m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$248
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Tue 7/71:25 pm
BOI
- PHX
1 stop27h 18m
Frontier
Deal found 5/17![Frontier logo]()
$249
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Thu 7/91:25 pm
BOI
- PHX
1 stop9h 03m
Frontier
Deal found 5/17![Frontier logo]()
$252
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Thu 6/251:25 pm
BOI
- PHX
1 stop11h 04m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$253
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 May 22, 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 May 22, 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.
Thu 6/45:16 pm
PHX
- SUN
1 stop3h 43m
Delta
Sat 6/131:10 pm
SUN
- PHX
1 stop3h 42m
Delta
Deal found 5/19![Delta logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 7/184:56 pm
PHX
- BOI
Nonstop2h 14m
Alaska Airlines
Tue 7/214:21 pm
BOI
- PHX
1 stop8h 28m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$277
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.
Tue 9/159:00 am
PHX
- GEG
2 stops6h 05m
Southwest
Tue 9/226:15 am
GEG
- PHX
2 stops6h 25m
Southwest
Deal found 5/18![Southwest logo]()
$287
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.
Wed 10/286:00 am
PHX
- SUN
1 stop6h 44m
United Airlines
Sat 10/312:29 pm
SUN
- PHX
1 stop5h 13m
United Airlines
Deal found 5/20![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 5/21. 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 6/35:16 pm
PHX
- SUN
1 stop3h 43m
Delta
Mon 6/81:10 pm
SUN
- PHX
1 stop3h 56m
Delta
Deal found 5/21![Delta logo]()
$271
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.
Fri 7/310:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Tue 7/75:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 5/17![Southwest logo]()
$291
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 6/135:15 pm
PHX
- SUN
1 stop3h 54m
Delta
Mon 6/223:15 pm
SUN
- PHX
1 stop3h 56m
Delta
Deal found 5/18![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 5/21. 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.
Wed 7/19:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Wed 7/82:05 pm
BOI
- PHX
1 stop7h 10m
Southwest
Deal found 5/21![Southwest logo]()
$292
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:31 pm
PHX
- IDA
1 stop8h 11m
Alaska Airlines
Sat 11/141:53 pm
IDA
- PHX
1 stop8h 56m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 5/21. 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 6/1210:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Sun 6/147:50 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 5/21![Southwest logo]()
$305
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
PHX
- JAC
1 stop3h 46m
Delta
Wed 7/296:05 pm
JAC
- PHX
1 stop6h 26m
Delta
Deal found 5/20![Delta logo]()
$311
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.
Mon 6/291:20 pm
PHX
- JAC
1 stop5h 22m
Delta
Wed 7/16:05 pm
JAC
- PHX
1 stop5h 09m
Delta
Deal found 5/17![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 6/278:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Sun 6/289:00 pm
BOI
- PHX
1 stop4h 10m
Southwest
Deal found 5/21![Southwest logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 9/267:00 am
PHX
- IDA
1 stop5h 24m
Alaska Airlines
Tue 9/296:18 am
IDA
- PHX
1 stop7h 44m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$379
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:08 am
PHX
- WYS
1 stop5h 54m
United Airlines
Sun 6/145:45 pm
WYS
- PHX
1 stop5h 14m
United Airlines
Deal found 5/17![United Airlines logo]()
$460
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Sun 7/129:00 pm
BOI
- PHX
1 stop4h 10m
Southwest
Deal found 5/20![Southwest logo]()
$315
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:45 am
PHX
- JAC
1 stop6h 15m
Delta
Sat 8/16:05 pm
JAC
- PHX
1 stop5h 06m
Delta
Deal found 5/20![Delta logo]()
$320
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.
Thu 7/26:53 pm
PHX
- GEG
1 stop28h 14m
Alaska Airlines
Wed 7/85:00 am
GEG
- PHX
1 stop4h 49m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$407
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 7/210:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Tue 7/76:00 am
BOI
- PHX
1 stop7h 40m
Southwest
Deal found 5/17![Southwest logo]()
$321
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.
Mon 5/256:00 am
PHX
- WYS
1 stop6h 32m
United Airlines
Sun 5/315:45 pm
WYS
- PHX
1 stop5h 14m
United Airlines
Deal found 5/19![United Airlines logo]()
$505
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.
Mon 6/16:05 am
PHX
- SUN
1 stop4h 52m
Delta
Thu 6/412:39 pm
SUN
- PHX
1 stop4h 20m
Delta
Deal found 5/17![Delta logo]()
$346
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.
Wed 6/245:50 am
PHX
- BOI
1 stop3h 55m
Southwest
Tue 6/306:30 am
BOI
- PHX
2 stops6h 40m
Southwest
Deal found 5/18![Southwest logo]()
$321
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.
Wed 7/291:16 pm
PHX
- JAC
1 stop7h 14m
United Airlines
Mon 8/34:23 pm
JAC
- PHX
1 stop6h 36m
United Airlines
Deal found 5/20![United Airlines logo]()
$528
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.
Tue 7/289:35 pm
PHX
- GEG
Nonstop2h 30m
Southwest
Sat 8/15:00 am
GEG
- PHX
2 stops7h 55m
Southwest
Deal found 5/18![Southwest logo]()
$332
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:37 pm
PHX
- IDA
1 stop7h 02m
Alaska Airlines
Mon 8/104:14 pm
IDA
- PHX
1 stop5h 23m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$509
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 6/35:16 pm
PHX
- SUN
1 stop3h 43m
Delta
Sun 6/77:20 am
SUN
- PHX
1 stop5h 55m
Delta
Deal found 5/19![Delta logo]()
$385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:16 pm
PHX
- JAC
1 stop7h 14m
United Airlines
Mon 8/104:23 pm
JAC
- PHX
1 stop6h 36m
United Airlines
Deal found 5/17![United Airlines logo]()
$528
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 8/57:00 am
PHX
- IDA
1 stop5h 06m
Alaska Airlines
Sun 8/94:14 pm
IDA
- PHX
1 stop5h 23m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$509
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.
Wed 7/159:20 am
PHX
- GEG
1 stop7h 35m
Delta
Sun 7/266:20 am
GEG
- PHX
1 stop5h 14m
Delta
Deal found 5/17![Delta logo]()
$393
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.
Tue 6/26:00 am
PHX
- JAC
1 stop6h 48m
United Airlines
Sat 6/68:00 am
JAC
- PHX
1 stop7h 52m
United Airlines
Deal found 5/18![United Airlines logo]()
$531
Last-minute flights from Sky Harbor Intl to IdahoDiscover last-minute flight deals from Sky Harbor Intl to Idaho. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Idaho. Data last updated May 22, 2026 and is based on user searches.
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.
Wed 6/35:16 pm
PHX
- SUN
1 stop3h 43m
Delta
Mon 6/83:15 pm
SUN
- PHX
1 stop3h 56m
Delta
Deal found 5/18![Delta logo]()
$271
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.
Mon 6/86:51 pm
PHX
- BOI
1 stop16h 39m
Frontier
Thu 6/111:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/18![Frontier logo]()
$235
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.
Mon 6/810:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Thu 6/115:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 5/18![Southwest logo]()
$271
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.
Thu 6/1110:32 pm
PHX
- IDA
1 stop16h 36m
Multiple Airlines
Mon 6/1510:56 pm
IDA
- PHX
1 stop14h 59m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$225
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Thu 6/181:25 pm
BOI
- PHX
1 stop19h 20m
Frontier
Deal found 5/17![Frontier logo]()
$254
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.
Fri 6/127:45 am
PHX
- IDA
1 stop7h 23m
Multiple Airlines
Mon 6/1510:56 pm
IDA
- PHX
1 stop25h 04m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$245
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Thu 6/251:25 pm
BOI
- PHX
1 stop11h 04m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$253
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Wed 6/245:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 5/20![Southwest logo]()
$267
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.
Fri 6/1912:10 pm
PHX
- IDA
1 stop8h 56m
Multiple Airlines
Mon 6/2210:56 pm
IDA
- PHX
1 stop25h 04m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$246
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.
Wed 6/249:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Tue 6/305:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 5/18![Southwest logo]()
$262
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:21 am
PHX
- BOI
1 stop24h 09m
Frontier
Tue 7/71:25 pm
BOI
- PHX
1 stop24h 52m
Frontier
Deal found 5/19![Frontier logo]()
$270
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Tue 6/301:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/20![Frontier logo]()
$263
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 May 22, 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 May 22, 2026.
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.
Mon 7/1312:20 pm
PHX
- IDA
1 stop8h 37m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$85
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 8/1210:27 pm
PHX
- GEG
1 stop21h 57m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$91
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.
Fri 8/1412:20 pm
PHX
- IDA
1 stop8h 44m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$95
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 7/810:27 pm
PHX
- GEG
1 stop21h 34m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$95
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:21 am
PHX
- GEG
1 stop24h 15m
Frontier
Deal found 5/18![Frontier logo]()
$98
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 8/1310:27 pm
PHX
- IDA
1 stop16h 38m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:20 pm
PHX
- IDA
1 stop8h 44m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 8/1910:27 pm
PHX
- GEG
1 stop10h 55m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$106
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.
Fri 7/1012:20 pm
PHX
- IDA
1 stop8h 37m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$107
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/18![Southwest logo]()
$109
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.
Mon 8/107:45 am
PHX
- IDA
1 stop7h 20m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$110
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Deal found 5/17![Frontier logo]()
$114
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 May 22, 2026.
Round-trip from | $177 (Kiwi.com) |
|---|---|
One-way from | $85 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $309 |
Good round-trip deal | $255 or less |
Good one-way deal | $157 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 May 22, 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
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Thu 6/4
5:16 pm-9:59 pm
1 stop3h 43m
Hailey Sun Valley-Friedman
Sat 6/13
1:10 pm-3:52 pm
1 stop3h 42m
$271
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Wed 6/3
5:16 pm-9:59 pm
1 stop3h 43m
Hailey Sun Valley-Friedman
Mon 6/8
1:10 pm-4:06 pm
1 stop3h 56m
$271
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Sat 6/13
5:15 pm-10:09 pm
1 stop3h 54m
Hailey Sun Valley-Friedman
Mon 6/22
3:15 pm-6:11 pm
1 stop3h 56m
$271
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sat 7/18
4:56 pm-8:10 pm
Nonstop2h 14m
Boise Air Term. Gowen Fld
Tue 7/21
4:21 pm-11:49 pm
1 stop8h 28m
$277
PhoenixSpokane
PHX - GEG
PHXGEG
Phoenix Sky Harbor Intl
Tue 9/15
9:00 am-3:05 pm
2 stops6h 05m
Spokane
Tue 9/22
6:15 am-12:40 pm
2 stops6h 25m
$287
Quickest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 7/3
10:45 pm-1:45 am
Nonstop2h 00m
Boise Air Term. Gowen Fld
Tue 7/7
5:30 am-6:35 am
Nonstop2h 05m
$291
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 7/1
9:30 pm-12:30 am
Nonstop2h 00m
Boise Air Term. Gowen Fld
Wed 7/8
2:05 pm-8:15 pm
1 stop7h 10m
$292
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 6/12
10:45 pm-1:45 am
Nonstop2h 00m
Boise Air Term. Gowen Fld
Sun 6/14
7:50 pm-8:55 pm
Nonstop2h 05m
$305
PhoenixJackson
PHX - JAC
PHXJAC
Phoenix Sky Harbor Intl
Mon 7/27
6:00 am-10:46 am
1 stop3h 46m
Jackson Hole
Wed 7/29
6:05 pm-11:31 pm
1 stop6h 26m
$311
PhoenixJackson
PHX - JAC
PHXJAC
Phoenix Sky Harbor Intl
Mon 6/29
1:20 pm-7:42 pm
1 stop5h 22m
Jackson Hole
Wed 7/1
6:05 pm-10:14 pm
1 stop5h 09m
$311
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-IDA
PHX-BOI
PHX-GEG
PHX-SUN
PHX-TWF
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-IDA
PHX-BOI
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 $78). Flying from Phoenix Sky Harbor Intl Airport to Idaho in May is currently the most expensive (average of $177). 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 May 22, 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 8% on the flight price compared to flying in the evening, which is usually more expensive.
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 May 22, 2026.
The most flights from PHX to USID are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Idaho?
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Idaho?
The best time to book flights from Phoenix Sky Harbor Intl Airport to Idaho is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 May 16, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Idaho flight should consider departing on Friday afternoons 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.
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 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 May 22, 2026.
Popular flight searches
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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$207 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$248 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$267 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$158 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$459 | FlexibilityNo cancel fee | On-time69% |