$62+ Cheap flights from Idaho to Phoenix
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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Phoenix with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Idaho to PhoenixExplore the most affordable flight options available from Idaho to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
Explore the most affordable flight options available from Idaho to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop9h 28m
Thu 10/228:08 am -
1 stop4h 47m
Deal found 8/25![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 10/92:50 pm -
1 stop9h 28m
Mon 10/128:16 am -
1 stop4h 39m
Deal found 8/27![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/162:50 pm -
1 stop9h 28m
Wed 10/214:34 pm -
1 stop20h 21m
Deal found 8/26![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/82:49 pm -
1 stop27h 38m
Wed 11/117:21 pm -
1 stop18h 33m
Deal found 8/25![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop18h 00m
Thu 10/291:56 pm -
1 stop22h 38m
Deal found 8/26![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:50 pm -
1 stop22h 27m
Wed 10/219:20 pm -
1 stop15h 35m
Deal found 8/26![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:50 pm -
1 stop22h 32m
Thu 10/18:00 am -
1 stop4h 55m
Deal found 8/25![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:50 pm -
1 stop22h 09m
Mon 9/288:00 am -
1 stop4h 55m
Deal found 8/24![Frontier logo]()
$194
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am -
Nonstop2h 10m
Tue 9/296:50 pm -
Nonstop2h 13m
Deal found 8/25![American Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/182:50 pm -
1 stop8h 57m
Mon 9/218:00 am -
1 stop4h 55m
Deal found 8/26![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop18h 00m
Fri 10/3012:54 pm -
1 stop5h 44m
Deal found 8/27![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/82:50 pm -
1 stop9h 28m
Sun 10/1112:25 pm -
2 stops24h 30m
Deal found 8/26![Frontier logo]()
$206
Best flights from Idaho to PhoenixDiscover carefully curated flight deals from Idaho to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from Idaho to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 11/47:00 am -
Nonstop2h 11m
Wed 11/118:22 pm -
1 stop17h 06m
Deal found 8/27![Alaska Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm -
1 stop4h 20m
Tue 10/65:35 pm -
1 stop4h 35m
Deal found 8/24![Southwest logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/251:45 pm -
1 stop23h 14m
Sun 9/277:24 pm -
1 stop15h 36m
Deal found 8/27![Multiple Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/227:23 pm -
1 stop4h 35m
Mon 10/266:40 am -
1 stop5h 38m
Deal found 8/24![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 12/305:00 am -
1 stop5h 43m
Wed 1/1310:50 am -
1 stop5h 29m
Deal found 8/25![United Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:37 pm -
1 stop24h 05m
Wed 10/2110:12 am -
1 stop26h 35m
Deal found 8/28![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:25 pm -
Nonstop2h 15m
Mon 9/218:55 pm -
Nonstop2h 00m
Deal found 8/28![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 12/108:54 am -
1 stop7h 06m
Mon 12/147:01 am -
1 stop16h 12m
Deal found 8/25![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/910:30 am -
2 stops7h 50m
Wed 11/116:45 am -
2 stops8h 25m
Deal found 8/25![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/1711:10 am -
1 stop5h 40m
Sat 10/245:40 am -
2 stops6h 15m
Deal found 8/28![Southwest logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 11/124:55 pm -
Nonstop2h 09m
Sun 11/157:23 am -
1 stop5h 34m
Deal found 8/27![Alaska Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/1911:44 am -
1 stop5h 26m
Wed 9/235:45 am -
1 stop3h 46m
Deal found 8/26![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 12/47:58 pm -
2 stops23h 15m
Thu 12/106:00 am -
1 stop9h 15m
Deal found 8/28![Multiple Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:10 pm -
1 stop6h 50m
Wed 9/308:25 pm -
Nonstop2h 35m
Deal found 8/26![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 10/92:38 pm -
1 stop5h 54m
Mon 10/126:33 am -
1 stop7h 05m
Deal found 8/27![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/306:04 am -
1 stop3h 42m
Tue 11/36:29 pm -
1 stop3h 19m
Deal found 8/26![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:50 pm -
1 stop4h 20m
Fri 10/301:45 pm -
1 stop4h 20m
Deal found 8/27![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 12/210:51 am -
1 stop4h 36m
Tue 12/86:20 am -
1 stop7h 09m
Deal found 8/27![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/145:38 pm -
1 stop5h 40m
Sun 10/185:45 am -
1 stop6h 34m
Deal found 8/24![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:49 pm -
1 stop4h 46m
Mon 10/53:42 pm -
1 stop7h 08m
Deal found 8/28![Alaska Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 12/15:45 am -
Nonstop2h 05m
Tue 12/87:25 pm -
Nonstop2h 10m
Deal found 8/27![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/164:28 pm -
1 stop6h 31m
Mon 10/197:30 am -
1 stop4h 14m
Deal found 8/25![United Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/67:03 am -
1 stop8h 07m
Wed 11/118:22 pm -
1 stop26h 07m
Deal found 8/28![Alaska Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/106:05 am -
1 stop11h 25m
Tue 10/136:45 am -
2 stops8h 00m
Deal found 8/26![Southwest logo]()
$268
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 10/2311:44 am -
2 stops8h 11m
Mon 10/265:45 am -
1 stop3h 53m
Deal found 8/27![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/109:04 am -
1 stop6h 31m
Mon 10/126:33 am -
1 stop7h 05m
Deal found 8/28![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/610:55 am -
1 stop5h 25m
Wed 11/117:00 am -
2 stops6h 50m
Deal found 8/24![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/77:20 am -
1 stop5h 56m
Thu 10/89:55 am -
1 stop3h 40m
Deal found 8/25![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/235:35 pm -
1 stop6h 40m
Mon 10/265:20 am -
1 stop7h 05m
Deal found 8/28![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 11/62:35 pm -
1 stop7h 20m
Mon 11/97:30 am -
2 stops7h 45m
Deal found 8/26![Southwest logo]()
$288
Last-minute flights from Idaho to PhoenixDiscover last-minute flight deals from Idaho to Phoenix. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Phoenix. Data last updated August 29, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/165:42 pm -
Nonstop2h 13m
Mon 9/217:37 pm -
Nonstop2h 08m
Deal found 8/25![Alaska Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/182:50 pm -
1 stop8h 57m
Mon 9/218:00 am -
1 stop4h 55m
Deal found 8/26![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/182:50 pm -
1 stop8h 57m
Sun 9/205:23 pm -
1 stop19h 32m
Deal found 8/24![Frontier logo]()
$209
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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.
Sat 9/196:30 am -
Nonstop2h 50m
Thu 9/248:26 pm -
Nonstop2h 41m
Deal found 8/27![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:50 pm -
1 stop22h 09m
Mon 9/288:00 am -
1 stop4h 55m
Deal found 8/24![Frontier logo]()
$194
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/217:20 am -
1 stop5h 11m
Tue 9/227:37 pm -
Nonstop2h 08m
Deal found 8/25![Alaska Airlines logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:39 pm -
1 stop6h 09m
Mon 9/287:49 pm -
1 stop28h 04m
Deal found 8/27![Alaska Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am -
Nonstop2h 10m
Tue 9/296:50 pm -
Nonstop2h 13m
Deal found 8/25![American Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/227:05 am -
Nonstop2h 05m
Tue 9/297:00 am -
2 stops7h 00m
Deal found 8/25![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/2211:40 am -
1 stop6h 45m
Thu 9/248:55 pm -
Nonstop2h 00m
Deal found 8/24![Southwest logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:50 pm -
1 stop22h 32m
Thu 10/18:00 am -
1 stop4h 55m
Deal found 8/25![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:09 am -
1 stop6h 09m
Thu 10/18:00 am -
1 stop7h 34m
Deal found 8/25![Multiple Airlines logo]()
$211
One-way flights from Idaho to PhoenixSearch for one-way flight options from Idaho to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from Idaho to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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.
Mon 10/122:50 pm -
1 stop9h 28m
Deal found 8/26![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:50 pm -
1 stop27h 36m
Deal found 8/26![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop8h 57m
Deal found 8/26![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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.
Mon 9/212:50 pm -
1 stop8h 57m
Deal found 8/26![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 10/292:49 pm -
1 stop27h 46m
Deal found 8/26![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:20 pm -
1 stop27h 58m
Deal found 8/25![Multiple Airlines logo]()
$84
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” 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 9/172:50 pm -
1 stop8h 57m
Deal found 8/26![Frontier logo]()
$88
This WAYA deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop4h 48m
Deal found 8/27![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 pm -
1 stop16h 52m
Deal found 8/26![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:45 pm -
1 stop10h 02m
Deal found 8/25![Multiple Airlines logo]()
$92
This WAYA deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:21 pm -
1 stop5h 26m
Deal found 8/28![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/87:28 pm -
1 stop17h 02m
Deal found 8/24![Multiple Airlines logo]()
$92
Find flight deals from Idaho to Phoenix
Keep the following information in mind while searching for Idaho to Phoenix flight deals. Data was last updated August 29, 2026.
Round-trip from | $125 (Kiwi.com) |
|---|---|
One-way from | $62 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $287 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Phoenix 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 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from Idaho to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Wed 11/4
7:00 am-9:11 am
Nonstop2h 11m
Phoenix Sky Harbor Intl
Wed 11/11
8:22 pm-1:28 pm
1 stop17h 06m
$220
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 10/2
6:50 pm-10:10 pm
1 stop4h 20m
Phoenix Sky Harbor Intl
Tue 10/6
5:35 pm-11:10 pm
1 stop4h 35m
$222
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 10/19
7:37 pm-6:42 pm
1 stop24h 05m
Phoenix Sky Harbor Intl
Wed 10/21
10:12 am-1:47 pm
1 stop26h 35m
$223
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 12/10
8:54 am-4:00 pm
1 stop7h 06m
Phoenix Sky Harbor Intl
Mon 12/14
7:01 am-11:13 pm
1 stop16h 12m
$223
Quickest round-trip
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Sat 9/19
3:25 pm-4:40 pm
Nonstop2h 15m
Phoenix Sky Harbor Intl
Mon 9/21
8:55 pm-11:55 pm
Nonstop2h 00m
$227
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 11/9
10:30 am-6:20 pm
2 stops7h 50m
Phoenix Sky Harbor Intl
Wed 11/11
6:45 am-3:10 pm
2 stops8h 25m
$237
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Sat 10/17
11:10 am-3:50 pm
1 stop5h 40m
Phoenix Sky Harbor Intl
Sat 10/24
5:40 am-12:55 pm
2 stops6h 15m
$242
SpokanePhoenix
GEG Spokane - PHX Phoenix Sky Harbor Intl
GEGPHX
Spokane
Mon 9/28
1:10 pm-8:00 pm
1 stop6h 50m
Phoenix Sky Harbor Intl
Wed 9/30
8:25 pm-11:00 pm
Nonstop2h 35m
$247
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 11/12
4:55 pm-7:04 pm
Nonstop2h 09m
Phoenix Sky Harbor Intl
Sun 11/15
7:23 am-12:57 pm
1 stop5h 34m
$249
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 10/16
6:50 pm-10:10 pm
1 stop4h 20m
Phoenix Sky Harbor Intl
Fri 10/30
1:45 pm-7:05 pm
1 stop4h 20m
$252
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Idaho with our price prediction graph.
BOI-PHX
TWF-PHX
JAC-PHX
GEG-PHX
SUN-PHX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Phoenix
USID-PH1
BOI-PHX
TWF-PHX
JAC-PHX
GEG-PHX
What is the cheapest month to book a flight from Idaho to Phoenix?
Currently, January is the cheapest month in which you can book a flight from Idaho to Phoenix (average of $252). Flying from Idaho to Phoenix in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ID to PHX?
Find hourly flight availability from Idaho to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 29, 2026.
When flying from Idaho to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 64% versus a flight in the afternoon.
Weekly flight availability from Idaho to Phoenix
Explore weekly flight availability from Idaho to Phoenix. 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 August 29, 2026.
The most flights from USID to PH1 are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Idaho to Phoenix?
Airfare is below average for this route at the moment.
Idaho to Phoenix flights typically cost between $222 and $323 in October.The cheapest round-trip price found within the last 5 days was $125 on Frontier (Oct 19-Oct 22).
How far ahead should I book a flight from Idaho to Phoenix?
The best time to book flights from Idaho to Phoenix is 80 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 Idaho to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Idaho to Phoenix. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Idaho to Phoenix flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Phoenix. 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.
Alternative routes
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Alternative routes for Idaho to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Phoenix by cabin class
Find flights from Idaho to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Phoenix flights
Browse other Idaho and Phoenix flight options. Last updated on August 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Phoenix flights
Consider these flights traveling from Idaho to Phoenix.
Top 7 airlines flying from Idaho to Phoenix
Discover the top 7 airlines that operate flights from Idaho to Phoenix. 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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$194 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$98 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$143 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$291 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$167 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$169 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$381 | FlexibilityNo cancel fee | On-time69% |