$48+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Idaho with Cheapflights
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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 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 November 4, 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 November 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:30 am -
Nonstop2h 08m
Sun 12/1312:08 pm -
Nonstop2h 11m
Deal found 11/2![Allegiant Air logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Thu 11/262:18 pm -
Nonstop2h 01m
Fri 11/275:43 pm -
Nonstop2h 03m
Deal found 11/3![Allegiant Air logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/47:30 am -
Nonstop2h 08m
Sun 12/612:08 pm -
Nonstop2h 11m
Deal found 11/3![Allegiant Air logo]()
$180
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:06 pm -
Nonstop2h 05m
Tue 1/51:55 pm -
Nonstop2h 06m
Deal found 11/2![Allegiant Air logo]()
$198
This Super.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/136:00 am -
Nonstop2h 02m
Sun 11/159:02 am -
Nonstop2h 02m
Deal found 11/3![Allegiant Air logo]()
$212
This Expedia deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/2510:44 am -
1 stop6h 04m
Fri 1/17:12 am -
Nonstop2h 16m
Deal found 10/30![Multiple Airlines logo]()
$214
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/208:59 pm -
1 stop22h 01m
Sun 11/227:55 pm -
1 stop15h 30m
Deal found 10/31![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Tue 12/228:56 pm -
1 stop19h 52m
Mon 12/285:33 pm -
1 stop18h 24m
Deal found 11/1![Frontier logo]()
$217
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:35 pm -
1 stop4h 23m
Tue 12/156:45 pm -
1 stop4h 23m
Deal found 11/3![Delta logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Mon 12/147:30 am -
Nonstop2h 08m
Sat 12/1911:05 am -
Nonstop2h 06m
Deal found 11/3![Allegiant Air logo]()
$220
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/38:05 am -
1 stop5h 20m
Tue 1/56:44 pm -
1 stop16h 54m
Deal found 11/2![Alaska Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/238:50 am -
Nonstop2h 11m
Sat 11/283:05 pm -
Nonstop2h 07m
Deal found 11/3![Allegiant Air logo]()
$227
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 November 4, 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 November 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:30 am -
Nonstop2h 08m
Sun 12/1312:08 pm -
Nonstop2h 11m
Deal found 11/2![Allegiant Air logo]()
$103
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/57:20 am -
1 stop5h 57m
Tue 12/83:44 pm -
1 stop5h 37m
Deal found 11/1![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/168:25 am -
1 stop5h 50m
Sun 12/206:10 pm -
Nonstop2h 00m
Deal found 10/31![Southwest logo]()
$238
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/226:23 pm -
1 stop3h 57m
Sat 1/307:30 am -
1 stop5h 44m
Deal found 10/31![Delta logo]()
$345
This WAYA deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Fri 12/44:12 pm -
Nonstop2h 16m
Sun 12/68:45 pm -
1 stop17h 05m
Deal found 10/31![Multiple Airlines logo]()
$385
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:18 pm -
Nonstop2h 01m
Fri 11/275:43 pm -
Nonstop2h 03m
Deal found 11/2![Allegiant Air logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Mon 12/147:30 am -
Nonstop2h 08m
Sat 12/1911:05 am -
Nonstop2h 06m
Deal found 11/3![Allegiant Air logo]()
$220
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/156:20 am -
1 stop7h 33m
Thu 11/192:34 pm -
1 stop7h 03m
Deal found 10/31![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/47:25 pm -
Nonstop2h 15m
Sun 12/65:00 am -
Nonstop2h 00m
Deal found 11/1![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/710:01 am -
Nonstop2h 20m
Sat 1/97:00 am -
Nonstop2h 19m
Deal found 11/1![Alaska Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 pm -
Nonstop2h 12m
Sun 12/68:00 am -
1 stop7h 18m
Deal found 11/3![American Airlines logo]()
$535
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/1810:55 pm -
Nonstop2h 15m
Mon 12/216:10 pm -
Nonstop2h 00m
Deal found 10/30![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/208:50 am -
Nonstop2h 11m
Tue 11/245:32 pm -
1 stop6h 05m
Deal found 11/1![Allegiant Air logo]()
$247
This Southwest deal was found by Cheapflights users on 11/3. 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 12/1612:55 pm -
1 stop5h 05m
Tue 12/223:10 pm -
2 stops7h 15m
Deal found 11/3![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sun 1/179:00 am -
Nonstop2h 15m
Mon 1/186:15 pm -
Nonstop2h 00m
Deal found 11/3![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 2/21:28 pm -
1 stop5h 49m
Sat 2/611:38 am -
1 stop5h 59m
Deal found 11/3![Alaska Airlines logo]()
$342
This CheapOair deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:00 am -
Nonstop2h 01m
Mon 11/2311:51 am -
Nonstop2h 03m
Deal found 11/1![Allegiant Air logo]()
$292
This WAYA deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Fri 12/44:12 pm -
Nonstop2h 16m
Mon 12/77:00 am -
1 stop6h 50m
Deal found 11/1![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/247:25 pm -
Nonstop2h 15m
Thu 12/312:50 pm -
Nonstop2h 10m
Deal found 11/1![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/2610:52 am -
1 stop8h 03m
Fri 1/2911:23 am -
2 stops11h 14m
Deal found 10/31![Alaska Airlines logo]()
$356
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares 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 11/2![Allegiant Air logo]()
$307
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/192:05 pm -
2 stops8h 25m
Sun 1/241:40 pm -
1 stop7h 35m
Deal found 11/1![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/2110:52 am -
1 stop8h 03m
Mon 2/111:23 am -
1 stop6h 16m
Deal found 10/31![Alaska Airlines logo]()
$361
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:30 am -
1 stop5h 34m
Wed 12/162:45 pm -
1 stop5h 02m
Deal found 11/2![United Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/209:34 pm -
2 stops19h 14m
Sat 12/268:05 pm -
Nonstop2h 10m
Deal found 10/31![Multiple Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 12/36:28 pm -
1 stop3h 58m
Thu 12/101:17 pm -
2 stops6h 15m
Deal found 11/4![Delta logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 12/1211:09 am -
2 stops24h 00m
Wed 12/1611:51 am -
1 stop5h 44m
Deal found 11/2![Alaska Airlines logo]()
$367
This WAYA deal was found by Cheapflights users on 11/3. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:10 am -
1 stop7h 57m
Mon 12/147:00 am -
1 stop6h 50m
Deal found 11/3![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/209:34 pm -
2 stops21h 25m
Tue 1/51:55 pm -
Nonstop2h 06m
Deal found 11/2![Allegiant Air logo]()
$359
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/145:04 pm -
1 stop6h 59m
Wed 11/189:08 am -
1 stop5h 51m
Deal found 10/30![Delta logo]()
$526
Last-minute flights from Phoenix to IdahoDiscover last-minute flight deals from Phoenix to Idaho. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Idaho. Data last updated November 4, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/136:00 am -
Nonstop2h 02m
Sun 11/159:02 am -
Nonstop2h 02m
Deal found 11/3![Allegiant Air logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/208:59 pm -
1 stop22h 01m
Sun 11/227:55 pm -
1 stop15h 30m
Deal found 10/31![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/238:50 am -
Nonstop2h 11m
Sat 11/283:05 pm -
Nonstop2h 07m
Deal found 11/3![Allegiant Air logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Thu 11/262:18 pm -
Nonstop2h 01m
Fri 11/275:43 pm -
Nonstop2h 03m
Deal found 11/3![Allegiant Air logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/38:05 am -
1 stop5h 20m
Tue 1/56:44 pm -
1 stop16h 54m
Deal found 11/2![Alaska Airlines logo]()
$223
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/47:30 am -
Nonstop2h 08m
Sun 12/612:08 pm -
Nonstop2h 11m
Deal found 11/3![Allegiant Air logo]()
$180
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:35 pm -
1 stop4h 23m
Tue 12/156:45 pm -
1 stop4h 23m
Deal found 11/3![Delta logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:30 am -
Nonstop2h 08m
Sun 12/1312:08 pm -
Nonstop2h 11m
Deal found 11/2![Allegiant Air logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Mon 12/147:30 am -
Nonstop2h 08m
Sat 12/1911:05 am -
Nonstop2h 06m
Deal found 11/3![Allegiant Air logo]()
$220
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:06 pm -
Nonstop2h 05m
Tue 1/51:55 pm -
Nonstop2h 06m
Deal found 11/2![Allegiant Air logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Tue 12/228:56 pm -
1 stop19h 52m
Mon 12/285:33 pm -
1 stop18h 24m
Deal found 11/1![Frontier logo]()
$217
This Expedia deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/2510:44 am -
1 stop6h 04m
Fri 1/17:12 am -
Nonstop2h 16m
Deal found 10/30![Multiple Airlines logo]()
$214
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 November 4, 2026.
Search for one-way flight options from Phoenix to Idaho. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Thu 1/286:00 am -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Allegiant Air logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 1/254:08 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/2510:44 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/219:00 am -
Nonstop2h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Allegiant Air logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 12/912:45 pm -
1 stop28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 2/39:03 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/306:15 pm -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$82
This Super.com deal was found by Cheapflights users on 11/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:23 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$82
This WAYA deal was found by Cheapflights users on 11/3. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/284:21 pm -
1 stop19h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$83
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$83
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/314:21 pm -
1 stop19h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/144:12 pm -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Allegiant Air logo]()
$88
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 November 4, 2026.
Round-trip from | $103 (Cheapflightsfares) |
|---|---|
One-way from | $48 (CheapOair) |
Popular in | December |
Cheapest in | January |
Average price | $305 |
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 November 4, 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
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Thu 1/28
6:00 am-8:11 am
Nonstop2h 11m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$48
Quickest round-trip
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Thu 11/19
9:10 am-11:11 am
Nonstop2h 01m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Fri 11/13
6:00 am-8:02 am
Nonstop2h 02m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Fri 11/20
9:00 am-11:01 am
Nonstop2h 01m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Fri 11/13
11:44 am-1:53 pm
Nonstop2h 09m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Sun 1/31
6:00 am-8:11 am
Nonstop2h 11m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$96
PhoenixIdaho Falls
PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field
PHXIDA
Phoenix Sky Harbor Intl
Wed 12/2
6:24 pm-3:15 pm
1 stop20h 51m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$98
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Thu 2/4
6:00 am-8:11 am
Nonstop2h 11m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$98
PhoenixIdaho Falls
AZA Phoenix-Mesa Gateway - IDA Idaho Falls Fanning Field
AZAIDA
Phoenix-Mesa Gateway
Sun 2/7
6:00 am-8:11 am
Nonstop2h 11m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$98
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Tue 12/29
6:05 pm-8:15 pm
Nonstop2h 10m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
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-IDA
AZA-BOI
PHX-BOI
PHX-IDA
PHX-SUN
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-IDA
AZA-BOI
PHX-BOI
PHX-IDA
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 $177). Flying from Phoenix to Idaho in July is currently the most expensive (average of $372). 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 November 4, 2026.
It’s typically best to fly out from Phoenix to Idaho at noon. Doing so could potentially save you 31% 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 November 4, 2026.
The most flights from PH1 to USID are scheduled on a Monday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 $272 and $393 in December.The cheapest round-trip price found within the last 5 days was $214 on Multiple Airlines (Dec 25-Jan 1).
How far ahead should I book a flight from Phoenix to Idaho?
Booking 58 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 October 31, 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 November 4, 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
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
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.
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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 November 4, 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$258 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$90 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$474 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$375 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$285 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$177 | Average$333 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$332 | FlexibilityNo cancel fee | On-time63% |