$62+ Cheap flights from Phoenix to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 September 7, 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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/228:16 am -
1 stop10h 22m
Sun 10/257:20 pm -
1 stop27h 58m
Deal found 9/3![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/3![Multiple Airlines logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Fri 11/208:50 am -
Nonstop2h 11m
Mon 11/303:29 pm -
Nonstop2h 07m
Deal found 9/3![Allegiant Air logo]()
$206
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 9/247:37 pm -
Nonstop2h 08m
Mon 9/282:50 pm -
1 stop8h 57m
Deal found 9/3![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/297:30 am -
1 stop5h 24m
Mon 11/27:00 am -
Nonstop2h 11m
Deal found 9/3![Multiple Airlines logo]()
$208
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Wed 11/117:05 am -
1 stop5h 25m
Tue 11/178:22 am -
1 stop7h 38m
Deal found 9/3![Alaska Airlines logo]()
$210
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/32:41 pm -
1 stop8h 18m
Thu 10/82:50 pm -
1 stop4h 43m
Deal found 9/3![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/79:05 am -
Nonstop2h 13m
Thu 10/82:50 pm -
1 stop4h 43m
Deal found 9/7![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/88:16 am -
1 stop4h 39m
Sat 10/104:18 pm -
1 stop6h 30m
Deal found 9/4![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/81:12 pm -
2 stops25h 48m
Mon 10/129:33 pm -
1 stop18h 56m
Deal found 9/4![Multiple Airlines logo]()
$217
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/154:28 pm -
Nonstop2h 15m
Thu 11/192:49 pm -
1 stop8h 20m
Deal found 9/3![Multiple Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/262:05 pm -
1 stop9h 06m
Tue 9/292:03 pm -
1 stop4h 52m
Deal found 9/2![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 September 7, 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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/239:31 am -
Nonstop2h 09m
Sun 10/255:58 pm -
1 stop5h 30m
Deal found 9/7![Allegiant Air logo]()
$223
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/116:05 pm -
Nonstop2h 50m
Tue 11/176:05 am -
Nonstop2h 45m
Deal found 9/3![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/1312:45 pm -
1 stop20h 11m
Sun 10/186:43 am -
1 stop18h 09m
Deal found 9/6![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/227:35 pm -
1 stop27h 31m
Tue 10/2712:19 pm -
2 stops22h 00m
Deal found 9/6![Delta logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/611:44 am -
Nonstop2h 09m
Sun 11/82:49 pm -
2 stops8h 13m
Deal found 9/3![Multiple Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:20 am -
1 stop7h 33m
Thu 10/292:34 pm -
1 stop5h 21m
Deal found 9/3![United Airlines logo]()
$401
This Cheapflightsfares deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Fri 11/208:50 am -
Nonstop2h 11m
Mon 11/303:29 pm -
Nonstop2h 07m
Deal found 9/6![Allegiant Air logo]()
$236
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/308:25 pm -
Nonstop2h 35m
Wed 10/710:50 am -
1 stop5h 00m
Deal found 9/2![Southwest logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Fri 10/29:31 am -
Nonstop2h 09m
Mon 10/51:30 pm -
Nonstop2h 05m
Deal found 9/3![Allegiant Air logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/16:38 pm -
1 stop5h 21m
Tue 10/64:41 pm -
1 stop5h 07m
Deal found 9/5![Alaska Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/288:55 pm -
Nonstop2h 00m
Sat 10/34:55 pm -
Nonstop2h 05m
Deal found 9/2![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 11/37:35 am -
2 stops29h 04m
Mon 11/912:24 pm -
2 stops10h 32m
Deal found 9/6![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 12/48:50 pm -
Nonstop2h 07m
Sun 12/66:00 pm -
Nonstop2h 12m
Deal found 9/6![Alaska Airlines logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Fri 10/29:31 am -
Nonstop2h 09m
Fri 10/91:30 pm -
Nonstop2h 05m
Deal found 9/4![Allegiant Air logo]()
$264
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/238:55 pm -
Nonstop2h 50m
Mon 10/262:30 pm -
1 stop5h 45m
Deal found 9/3![Southwest logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/4![Multiple Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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
Thu 10/15:52 pm -
1 stop6h 52m
Deal found 9/3![Alaska Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/169:31 am -
Nonstop2h 09m
Sun 10/185:58 pm -
1 stop5h 30m
Deal found 9/2![Allegiant Air logo]()
$268
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/2310:35 pm -
Nonstop2h 10m
Sun 10/253:30 pm -
Nonstop2h 05m
Deal found 9/3![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/96:36 pm -
1 stop5h 27m
Tue 11/109:08 am -
1 stop5h 35m
Deal found 9/4![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/287:49 pm -
1 stop17h 13m
Sat 10/38:57 am -
2 stops12h 44m
Deal found 9/2![Alaska Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/29:31 am -
Nonstop2h 09m
Mon 10/52:50 pm -
2 stops24h 04m
Deal found 9/3![Multiple Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/2310:35 pm -
Nonstop2h 10m
Mon 10/265:40 am -
Nonstop2h 00m
Deal found 9/5![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/96:20 am -
1 stop7h 05m
Thu 11/124:10 pm -
1 stop6h 43m
Deal found 9/2![United Airlines logo]()
$421
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/2110:26 am -
3 stops48h 34m
Mon 10/261:45 pm -
2 stops25h 18m
Deal found 9/4![Breeze Airways logo]()
$863
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/169:55 am -
1 stop3h 40m
Mon 10/191:00 pm -
1 stop4h 14m
Deal found 9/6![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/93:42 pm -
1 stop7h 08m
Fri 10/234:41 pm -
1 stop5h 07m
Deal found 9/3![Alaska Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/77:35 am -
2 stops6h 35m
Mon 11/98:30 pm -
1 stop3h 35m
Deal found 9/2![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/237:30 am -
1 stop4h 14m
Sun 10/257:00 am -
1 stop4h 44m
Deal found 9/6![United Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/2510:30 am -
Nonstop2h 11m
Sat 11/283:05 pm -
Nonstop2h 07m
Deal found 9/4![Allegiant Air logo]()
$334
Last-minute flights from Phoenix to IdahoDiscover last-minute flight deals from Phoenix to Idaho. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Idaho. Data last updated September 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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
Thu 10/222:50 pm -
1 stop9h 28m
Deal found 9/4![Frontier logo]()
$218
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 9/247:37 pm -
Nonstop2h 08m
Mon 9/282:50 pm -
1 stop8h 57m
Deal found 9/3![Multiple Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/262:05 pm -
1 stop9h 06m
Tue 9/292:03 pm -
1 stop4h 52m
Deal found 9/2![Alaska Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/3![Multiple Airlines logo]()
$202
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Fri 10/27:37 pm -
Nonstop2h 08m
Mon 10/52:50 pm -
1 stop8h 57m
Deal found 9/3![Multiple Airlines logo]()
$219
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/32:41 pm -
1 stop8h 18m
Thu 10/82:50 pm -
1 stop4h 43m
Deal found 9/3![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/79:05 am -
Nonstop2h 13m
Thu 10/82:50 pm -
1 stop4h 43m
Deal found 9/7![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/88:16 am -
1 stop4h 39m
Sat 10/104:18 pm -
1 stop6h 30m
Deal found 9/4![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/81:12 pm -
2 stops25h 48m
Mon 10/129:33 pm -
1 stop18h 56m
Deal found 9/4![Multiple Airlines logo]()
$217
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/154:28 pm -
Nonstop2h 15m
Thu 11/192:49 pm -
1 stop8h 20m
Deal found 9/3![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/228:16 am -
1 stop10h 22m
Sun 10/257:20 pm -
1 stop27h 58m
Deal found 9/3![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/297:30 am -
1 stop5h 24m
Mon 11/27:00 am -
Nonstop2h 11m
Deal found 9/3![Multiple Airlines logo]()
$208
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 September 7, 2026.
Search for one-way flight options from Phoenix to Idaho. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Thu 10/88:16 am -
1 stop4h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:21 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$67
This CheapOair deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/269:31 am -
Nonstop2h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$68
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/47:21 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 stop4h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/308:30 am -
1 stop28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$75
This CheapOair deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Allegiant Air logo]()
$80
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 12/36:00 am -
1 stop12h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/88:16 am -
1 stop7h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/58:30 am -
1 stop5h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/47:21 pm -
1 stop24h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$91
This Cheapflightsfares deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Fri 10/169:31 am -
Nonstop2h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Allegiant Air logo]()
$99
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 September 7, 2026.
Round-trip from | $189 (Kiwi.com) |
|---|---|
One-way from | $62 (Super.com) |
Popular in | September |
Cheapest in | January |
Average price | $357 |
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 September 7, 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
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
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$68
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Mon 11/9
10:01 am-12:10 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$68
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Mon 11/16
10:01 am-12:10 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$80
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Mon 10/12
9:31 am-12:40 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$107
PhoenixSpokane
PHX Phoenix Sky Harbor Intl - GEG Spokane
PHXGEG
Phoenix Sky Harbor Intl
Tue 11/3
6:44 pm-10:51 pm
1 stop5h 07m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
PhoenixSpokane
PHX Phoenix Sky Harbor Intl - GEG Spokane
PHXGEG
Phoenix Sky Harbor Intl
Sat 10/31
8:02 am-2:40 pm
1 stop6h 38m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Mon 10/5
9:31 am-12:40 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$118
PhoenixSpokane
PHX Phoenix Sky Harbor Intl - GEG Spokane
PHXGEG
Phoenix Sky Harbor Intl
Mon 11/2
7:50 am-9:30 am
Nonstop2h 40m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
PhoenixSpokane
PHX Phoenix Sky Harbor Intl - GEG Spokane
PHXGEG
Phoenix Sky Harbor Intl
Tue 12/1
10:55 am-5:57 pm
1 stop8h 02m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Mon 10/12
8:16 am-1:55 pm
1 stop4h 39m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
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.
AZA-BOI
PHX-GEG
PHX-BOI
PHX-SUN
PHX-JAC
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
AZA-BOI
PHX-GEG
PHX-BOI
PHX-SUN
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 September 7, 2026.
It’s typically best to fly out from Phoenix to Idaho in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the evening, which is usually more expensive.
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 $257 and $442 in November.The cheapest round-trip price found within the last 5 days was $206 on Allegiant Air (Nov 20-Nov 30).
How far ahead should I book a flight from Phoenix to Idaho?
Booking 77 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 September 5, 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 September 7, 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.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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 September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$217 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$90 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$276 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$304 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$175 | Average$380 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$365 | FlexibilityNo cancel fee | On-time71% |