$62+ Cheap flights from Phoenix 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Idaho with Cheapflights
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Cheapest flights from Phoenix to IdahoExplore the most affordable flight options available from Phoenix to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from Phoenix to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
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 10/18:27 am -
1 stop7h 07m
Sun 10/47:30 pm -
1 stop16h 52m
Deal found 8/26![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Thu 9/245:23 pm -
1 stop17h 35m
Mon 9/286:21 pm -
1 stop18h 38m
Deal found 8/22![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:23 pm -
1 stop17h 41m
Mon 9/216:21 pm -
1 stop18h 38m
Deal found 8/23![Multiple Airlines logo]()
$193
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.
Thu 10/228:08 am -
1 stop10h 30m
Thu 10/297:28 pm -
1 stop17h 02m
Deal found 8/24![Multiple Airlines logo]()
$194
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.
Wed 10/78:39 pm -
1 stop18h 55m
Sun 10/115:00 pm -
1 stop6h 18m
Deal found 8/25![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:23 pm -
1 stop21h 37m
Mon 10/57:42 pm -
1 stop17h 17m
Deal found 8/23![Multiple Airlines logo]()
$204
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.
Fri 10/98:08 am -
1 stop6h 52m
Mon 10/129:33 pm -
1 stop15h 50m
Deal found 8/25![Multiple Airlines logo]()
$212
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.
Wed 9/237:10 am -
2 stops8h 00m
Tue 9/293:40 pm -
Nonstop2h 15m
Deal found 8/25![Southwest logo]()
$212
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.
Fri 9/258:00 am -
1 stop4h 55m
Mon 9/282:50 pm -
2 stops30h 44m
Deal found 8/25![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Thu 10/82:49 pm -
1 stop24h 11m
Mon 10/129:33 pm -
1 stop18h 56m
Deal found 8/22![Multiple Airlines logo]()
$214
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 10/268:00 am -
1 stop4h 55m
Thu 10/292:49 pm -
1 stop8h 22m
Deal found 8/25![Frontier logo]()
$216
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:37 pm -
Nonstop2h 08m
Mon 9/285:42 pm -
Nonstop2h 13m
Deal found 8/26![Alaska Airlines logo]()
$217
Best flights from Phoenix to IdahoDiscover carefully curated flight deals from Phoenix to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Phoenix to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
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.
Fri 9/258:55 pm -
Nonstop2h 00m
Mon 9/287:30 am -
Nonstop2h 05m
Deal found 8/25![Southwest logo]()
$217
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:37 pm -
Nonstop2h 08m
Mon 9/284:27 pm -
1 stop5h 17m
Deal found 8/26![Alaska Airlines logo]()
$227
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 10/155:45 am -
1 stop3h 57m
Sun 10/186:49 pm -
1 stop6h 09m
Deal found 8/24![Delta logo]()
$237
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 10/269:31 am -
Nonstop2h 09m
Thu 10/295:58 pm -
1 stop5h 30m
Deal found 8/25![Allegiant Air logo]()
$240
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:13 pm -
1 stop7h 07m
Sun 9/202:50 pm -
1 stop22h 32m
Deal found 8/26![Multiple Airlines logo]()
$245
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:33 pm -
1 stop6h 42m
Thu 10/153:19 pm -
1 stop6h 30m
Deal found 8/26![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/23. 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.
Mon 10/125:10 pm -
1 stop6h 50m
Sat 10/174:55 pm -
Nonstop2h 05m
Deal found 8/23![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/23. 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.
Thu 10/158:10 am -
1 stop4h 10m
Sat 10/2411:10 am -
1 stop5h 40m
Deal found 8/23![Southwest logo]()
$222
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.
Sat 9/127:24 pm -
1 stop17h 31m
Wed 9/165:42 pm -
Nonstop2h 13m
Deal found 8/26![Multiple Airlines logo]()
$249
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.
Thu 9/249:15 am -
1 stop7h 54m
Thu 10/17:06 pm -
1 stop4h 50m
Deal found 8/25![Delta logo]()
$257
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.
Sat 10/177:38 am -
1 stop5h 09m
Wed 10/218:57 am -
2 stops10h 45m
Deal found 8/25![Alaska Airlines logo]()
$273
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 9/258:55 pm -
Nonstop2h 00m
Fri 10/24:45 pm -
Nonstop2h 05m
Deal found 8/26![Southwest logo]()
$237
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 10/99:31 am -
Nonstop2h 09m
Mon 10/122:50 pm -
2 stops24h 04m
Deal found 8/26![Multiple Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 8/22. 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.
Mon 10/268:10 am -
1 stop4h 10m
Fri 10/3012:45 pm -
2 stops6h 25m
Deal found 8/22![Southwest logo]()
$238
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 9/208:20 am -
1 stop5h 28m
Thu 10/16:15 pm -
1 stop5h 13m
Deal found 8/26![Allegiant Air logo]()
$335
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 9/107:22 am -
2 stops27h 38m
Mon 9/141:45 pm -
1 stop23h 14m
Deal found 8/25![Multiple Airlines logo]()
$277
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.
Fri 10/1610:33 am -
1 stop5h 11m
Sun 10/185:38 pm -
1 stop5h 40m
Deal found 8/25![Delta logo]()
$308
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:02 am -
1 stop6h 37m
Wed 9/165:12 am -
1 stop4h 39m
Deal found 8/26![Alaska Airlines logo]()
$325
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:30 am -
1 stop5h 23m
Thu 10/153:19 pm -
1 stop6h 30m
Deal found 8/26![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 8/22. 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.
Sat 9/198:00 am -
1 stop5h 00m
Sat 9/261:40 pm -
Nonstop2h 35m
Deal found 8/22![Southwest logo]()
$247
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.
Tue 9/2212:08 pm -
2 stops9h 10m
Tue 9/296:16 am -
2 stops10h 02m
Deal found 8/25![Delta logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:30 am -
Nonstop2h 11m
Mon 11/303:29 pm -
Nonstop2h 07m
Deal found 8/23![Allegiant Air logo]()
$358
This Southwest deal was found by Cheapflights users on 8/23. 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.
Sat 10/312:40 pm -
1 stop7h 40m
Wed 10/76:05 am -
Nonstop2h 35m
Deal found 8/23![Southwest logo]()
$247
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:00 am -
1 stop4h 45m
Sun 10/257:00 am -
1 stop4h 44m
Deal found 8/26![United Airlines logo]()
$369
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 11/512:46 pm -
1 stop5h 07m
Sun 11/82:49 pm -
2 stops8h 13m
Deal found 8/26![Multiple Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:40 am -
1 stop7h 06m
Fri 11/271:50 pm -
1 stop4h 51m
Deal found 8/23![Delta logo]()
$318
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.
Thu 10/223:30 pm -
1 stop4h 16m
Sat 10/244:28 pm -
1 stop4h 46m
Deal found 8/25![United Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:30 am -
1 stop5h 50m
Sat 11/283:05 pm -
Nonstop2h 07m
Deal found 8/23![Allegiant Air logo]()
$376
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:20 am -
1 stop24h 26m
Thu 10/110:28 am -
1 stop8h 17m
Deal found 8/24![Alaska Airlines logo]()
$376
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.
Wed 11/48:30 am -
2 stops7h 10m
Wed 11/111:35 pm -
1 stop8h 00m
Deal found 8/26![Southwest logo]()
$262
Last-minute flights from Phoenix to IdahoDiscover last-minute flight deals from Phoenix to Idaho. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Idaho. Data last updated August 27, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 8/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:00 am -
1 stop4h 55m
Wed 9/165:42 pm -
Nonstop2h 13m
Deal found 8/23![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:23 pm -
1 stop17h 41m
Mon 9/216:21 pm -
1 stop18h 38m
Deal found 8/23![Multiple Airlines logo]()
$193
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:13 pm -
1 stop7h 07m
Sat 9/267:20 am -
1 stop12h 47m
Deal found 8/26![Alaska Airlines logo]()
$223
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 9/207:24 pm -
1 stop17h 31m
Fri 9/252:50 pm -
1 stop8h 57m
Deal found 8/26![Frontier logo]()
$226
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:37 pm -
Nonstop2h 08m
Wed 9/307:20 am -
1 stop8h 13m
Deal found 8/26![Alaska Airlines logo]()
$220
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 9/223:00 pm -
2 stops6h 20m
Fri 9/254:55 pm -
Nonstop2h 15m
Deal found 8/25![Southwest logo]()
$222
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.
Wed 9/237:10 am -
2 stops8h 00m
Tue 9/293:40 pm -
Nonstop2h 15m
Deal found 8/25![Southwest logo]()
$212
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 9/237:37 pm -
Nonstop2h 08m
Wed 9/307:20 am -
1 stop8h 13m
Deal found 8/27![Alaska Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Thu 9/245:23 pm -
1 stop17h 35m
Mon 9/286:21 pm -
1 stop18h 38m
Deal found 8/22![Multiple Airlines logo]()
$180
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:02 am -
1 stop5h 33m
Tue 9/295:42 pm -
Nonstop2h 13m
Deal found 8/26![Alaska Airlines 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.
Fri 9/258:00 am -
1 stop4h 55m
Mon 9/282:50 pm -
2 stops30h 44m
Deal found 8/25![Frontier logo]()
$213
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.
Sat 9/263:15 pm -
1 stop8h 38m
Tue 9/296:00 am -
1 stop13h 07m
Deal found 8/25![Alaska Airlines logo]()
$223
One-way flights from Phoenix to IdahoSearch for one-way flight options from Phoenix to Idaho. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Phoenix to Idaho. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:20 pm -
1 stop15h 35m
Deal found 8/25![Frontier logo]()
$62
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.
Thu 9/248:00 am -
1 stop4h 55m
Deal found 8/24![Frontier logo]()
$63
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 9/178:00 am -
1 stop4h 55m
Deal found 8/25![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Wed 9/238:39 pm -
1 stop16h 16m
Deal found 8/22![Frontier logo]()
$65
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 9/218:00 am -
1 stop4h 55m
Deal found 8/25![Frontier logo]()
$74
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.
Wed 9/168:30 am -
1 stop24h 49m
Deal found 8/25![Multiple Airlines logo]()
$76
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:01 am -
Nonstop2h 09m
Deal found 8/25![Allegiant Air logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:39 pm -
1 stop12h 40m
Deal found 8/23![Multiple Airlines logo]()
$84
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:31 am -
Nonstop2h 09m
Deal found 8/26![Allegiant Air logo]()
$91
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.
Thu 11/128:30 am -
1 stop11h 43m
Deal found 8/24![Multiple Airlines logo]()
$91
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.
Wed 10/219:20 pm -
1 stop21h 18m
Deal found 8/25![Multiple Airlines logo]()
$96
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.
Thu 9/247:24 pm -
1 stop15h 34m
Deal found 8/27![Multiple Airlines logo]()
$98
Find flight deals from Phoenix to Idaho
Keep the following information in mind while searching for Phoenix to Idaho flight deals. Data was last updated August 27, 2026.
Round-trip from | $178 (Kiwi.com) |
|---|---|
One-way from | $62 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $256 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 7,457,451 searches. Data last updated August 27, 2026.
Use the filters below to find and compare flights from Phoenix to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/25
8:55 pm-11:55 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
Mon 9/28
7:30 am-8:35 am
Nonstop2h 05m
$217
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Mon 10/12
5:10 pm-1:00 am
1 stop6h 50m
Boise Air Term. Gowen Fld
Sat 10/17
4:55 pm-6:00 pm
Nonstop2h 05m
$217
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Thu 10/15
8:10 am-1:20 pm
1 stop4h 10m
Boise Air Term. Gowen Fld
Sat 10/24
11:10 am-3:50 pm
1 stop5h 40m
$222
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/25
7:37 pm-10:45 pm
Nonstop2h 08m
Boise Air Term. Gowen Fld
Mon 9/28
4:27 pm-8:44 pm
1 stop5h 17m
$227
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Thu 10/15
5:45 am-10:42 am
1 stop3h 57m
Boise Air Term. Gowen Fld
Sun 10/18
6:49 pm-11:58 pm
1 stop6h 09m
$237
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/25
8:55 pm-11:55 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
Fri 10/2
4:45 pm-5:50 pm
Nonstop2h 05m
$237
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Mon 10/26
8:10 am-1:20 pm
1 stop4h 10m
Boise Air Term. Gowen Fld
Fri 10/30
12:45 pm-6:10 pm
2 stops6h 25m
$238
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Mon 10/26
9:31 am-12:40 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Thu 10/29
5:58 pm-10:28 pm
1 stop5h 30m
$240
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/18
12:13 pm-8:20 pm
1 stop7h 07m
Boise Air Term. Gowen Fld
Sun 9/20
2:50 pm-12:22 pm
1 stop22h 32m
$245
PhoenixSpokane
PHX Phoenix Sky Harbor Intl - GEG Spokane
PHXGEG
Phoenix Sky Harbor Intl
Sat 9/19
8:00 am-1:00 pm
1 stop5h 00m
Spokane
Sat 9/26
1:40 pm-4:15 pm
Nonstop2h 35m
$247
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Phoenix to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Phoenix with our price prediction graph.
PHX-BOI
AZA-BOI
PHX-GEG
PHX-JAC
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 to Idaho
PH1-USID
PHX-BOI
AZA-BOI
PHX-GEG
PHX-JAC
What is the cheapest month to book a flight from Phoenix to Idaho?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Idaho (average of $180). Flying from Phoenix to Idaho in July is currently the most expensive (average of $368). 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 Phoenix 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 August 27, 2026.
It’s typically best to fly out from Phoenix to Idaho in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Phoenix to Idaho
Explore weekly flight availability from Phoenix 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 August 27, 2026.
The most flights from PH1 to USID are scheduled on a Tuesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Phoenix to Idaho?
Airfare is below average for this route at the moment.
Phoenix to Idaho flights typically cost between $217 and $395 in September.The cheapest round-trip price found within the last 5 days was $212 on Southwest (Sep 23-Sep 29).
How far ahead should I book a flight from Phoenix to Idaho?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Phoenix to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Idaho. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Phoenix to Idaho flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings 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 August 27, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Phoenix to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Phoenix 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 Phoenix to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Phoenix to Idaho by cabin class
Find flights from Phoenix to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Idaho flights
Browse other Phoenix and Idaho flight options. Last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Phoenix to Idaho flights
Consider these flights traveling from Phoenix to Idaho.
Top 7 airlines flying from Phoenix to Idaho
Discover the top 7 airlines that operate flights from Phoenix 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$215 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$90 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$301 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$276 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$175 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$363 | FlexibilityNo cancel fee | On-time71% |