$77+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jul 15 — Jul 221
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 June 15, 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 June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:20 pm
PHX
- IDA
1 stop8h 44m
Multiple Airlines
Mon 8/245:33 pm
IDA
- PHX
1 stop18h 51m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:20 pm
PHX
- IDA
1 stop8h 37m
Multiple Airlines
Mon 7/2010:47 pm
IDA
- PHX
1 stop15h 12m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:45 am
PHX
- IDA
1 stop7h 20m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- PHX
1 stop25h 11m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:45 am
PHX
- IDA
1 stop7h 15m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- PHX
1 stop25h 18m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 10/39:30 am
PHX
- BOI
Nonstop2h 15m
Southwest
Sat 10/104:50 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 6/13![Southwest logo]()
$247
This Booking.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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.
Thu 8/64:56 pm
PHX
- BOI
Nonstop2h 14m
Alaska Airlines
Mon 8/102:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$248
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/306:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Sat 8/82:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:20 pm
PHX
- IDA
1 stop8h 37m
Multiple Airlines
Fri 8/710:54 pm
IDA
- PHX
1 stop25h 11m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Wed 7/151:35 pm
PHX
- BOI
1 stop21h 54m
Frontier
Sun 7/191:24 pm
BOI
- PHX
1 stop19h 16m
Frontier
Deal found 6/12![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/88:20 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Tue 9/1511:30 am
BOI
- PHX
2 stops7h 45m
Southwest
Deal found 6/13![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/65:10 pm
PHX
- BOI
1 stop3h 50m
Delta
Mon 8/106:45 pm
BOI
- PHX
1 stop6h 27m
Delta
Deal found 6/10![Delta logo]()
$253
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/263:45 pm
PHX
- BOI
2 stops5h 40m
Southwest
Sun 8/304:35 pm
BOI
- PHX
1 stop6h 35m
Southwest
Deal found 6/11![Southwest logo]()
$255
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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:30 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Wed 8/53:40 pm
BOI
- PHX
Nonstop2h 15m
Southwest
Deal found 6/13![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/1612:20 pm
PHX
- TWF
2 stops22h 40m
Multiple Airlines
Fri 8/211:45 pm
TWF
- PHX
1 stop22h 39m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:02 pm
PHX
- BOI
1 stop5h 56m
Delta
Mon 7/201:05 pm
BOI
- PHX
1 stop6h 02m
Delta
Deal found 6/14![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 6/216:00 am
PHX
- SUN
1 stop6h 16m
United Airlines
Thu 6/258:00 am
SUN
- PHX
1 stop5h 14m
United Airlines
Deal found 6/11![United Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Sun 7/193:13 pm
PHX
- GEG
1 stop7h 54m
Alaska Airlines
Fri 7/245:00 am
GEG
- PHX
1 stop4h 49m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Thu 7/165:25 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 6/11![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/45:15 pm
PHX
- SUN
1 stop3h 54m
Delta
Fri 7/103:15 pm
SUN
- PHX
1 stop3h 52m
Delta
Deal found 6/10![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/75:10 pm
PHX
- SUN
1 stop3h 58m
Delta
Tue 8/181:06 pm
SUN
- PHX
1 stop3h 58m
Delta
Deal found 6/15![Delta logo]()
$281
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/38:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Mon 9/77:00 am
BOI
- PHX
1 stop4h 05m
Southwest
Deal found 6/12![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sun 11/83:56 pm
PHX
- GEG
1 stop6h 40m
Alaska Airlines
Wed 11/117:02 am
GEG
- PHX
1 stop7h 12m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 11/610:50 am
PHX
- JAC
1 stop4h 22m
United Airlines
Mon 11/94:25 pm
JAC
- PHX
1 stop6h 26m
United Airlines
Deal found 6/12![United Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:00 am
PHX
- BOI
1 stop5h 25m
Southwest
Mon 8/33:25 pm
BOI
- PHX
2 stops6h 35m
Southwest
Deal found 6/11![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:20 pm
PHX
- BOI
1 stop3h 45m
Delta
Sun 7/196:00 am
BOI
- PHX
1 stop3h 44m
Delta
Deal found 6/13![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/58:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Fri 7/1012:20 pm
BOI
- PHX
2 stops8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/136:53 pm
PHX
- GEG
1 stop5h 06m
Alaska Airlines
Mon 7/207:24 pm
GEG
- PHX
1 stop20h 50m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sun 7/56:00 am
PHX
- WYS
1 stop5h 28m
Delta
Sat 7/1111:29 am
WYS
- PHX
1 stop5h 21m
Delta
Deal found 6/12![Delta logo]()
$294
This Mytrip deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:20 am
PHX
- TWF
2 stops25h 40m
Breeze Airways
Fri 8/211:45 pm
TWF
- PHX
2 stops27h 29m
Breeze Airways
Deal found 6/13![Breeze Airways logo]()
$787
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:12 pm
PHX
- SUN
1 stop7h 25m
United Airlines
Tue 9/12:50 pm
SUN
- PHX
1 stop6h 40m
United Airlines
Deal found 6/13![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Sun 7/127:50 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 6/12![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sun 7/121:20 pm
PHX
- BOI
1 stop3h 31m
Delta
Sun 7/196:00 am
BOI
- PHX
1 stop3h 44m
Delta
Deal found 6/12![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/156:53 pm
PHX
- GEG
1 stop5h 06m
Alaska Airlines
Sun 7/265:00 am
GEG
- PHX
1 stop4h 49m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:40 pm
PHX
- BOI
1 stop5h 35m
Southwest
Mon 7/1312:20 pm
BOI
- PHX
2 stops8h 20m
Southwest
Deal found 6/14![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
PHX
- JAC
1 stop6h 48m
United Airlines
Tue 6/308:00 am
JAC
- PHX
1 stop5h 14m
United Airlines
Deal found 6/14![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Sun 7/191:20 pm
PHX
- JAC
1 stop5h 17m
Delta
Fri 7/246:05 pm
JAC
- PHX
1 stop6h 26m
Delta
Deal found 6/11![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/142:37 pm
PHX
- IDA
1 stop7h 02m
Alaska Airlines
Tue 7/217:15 am
IDA
- PHX
1 stop8h 42m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/129:15 am
AZA
- BOI
2 stops50h 14m
Multiple Airlines
Sun 7/193:07 pm
BOI
- AZA
1 stop5h 22m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/38:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Sun 9/66:20 am
BOI
- PHX
1 stop4h 50m
Southwest
Deal found 6/12![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:45 am
PHX
- JAC
1 stop6h 15m
Delta
Thu 7/306:05 pm
JAC
- PHX
1 stop6h 26m
Delta
Deal found 6/14![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:16 pm
PHX
- JAC
1 stop7h 14m
United Airlines
Sat 7/47:00 am
JAC
- PHX
1 stop6h 25m
United Airlines
Deal found 6/14![United Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/154:00 pm
PHX
- GEG
1 stop6h 25m
Southwest
Wed 9/307:30 am
GEG
- PHX
Nonstop2h 35m
Southwest
Deal found 6/10![Southwest logo]()
$303
Last-minute flights from Phoenix to IdahoDiscover last-minute flight deals from Phoenix to Idaho. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Idaho. Data last updated June 15, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/87:11 am
PHX
- BOI
1 stop12h 14m
Alaska Airlines
Sat 7/112:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Tue 7/145:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 6/10![Southwest logo]()
$257
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Tue 7/141:24 pm
BOI
- PHX
1 stop11h 08m
Frontier
Deal found 6/10![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:20 pm
PHX
- IDA
1 stop8h 37m
Multiple Airlines
Mon 7/2010:47 pm
IDA
- PHX
1 stop15h 12m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$224
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Wed 7/151:35 pm
PHX
- BOI
1 stop21h 54m
Frontier
Sun 7/191:24 pm
BOI
- PHX
1 stop19h 16m
Frontier
Deal found 6/12![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:50 am
PHX
- BOI
1 stop3h 55m
Southwest
Thu 7/165:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 6/12![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:45 am
PHX
- IDA
1 stop7h 15m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- PHX
1 stop25h 18m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:05 am
PHX
- BOI
2 stops5h 35m
Southwest
Tue 8/1111:40 am
BOI
- PHX
2 stops7h 00m
Southwest
Deal found 6/10![Southwest logo]()
$260
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/294:56 pm
PHX
- BOI
Nonstop2h 14m
Alaska Airlines
Wed 8/57:57 am
BOI
- PHX
1 stop5h 26m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$255
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/294:48 pm
PHX
- BOI
1 stop18h 41m
Multiple Airlines
Sat 8/82:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$264
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/306:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Sat 8/82:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$249
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/306:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Mon 8/104:35 pm
BOI
- PHX
1 stop8h 14m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$259
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 June 15, 2026.
Search for one-way flight options from Phoenix to Idaho. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/910:55 pm
PHX
- GEG
1 stop10h 24m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$77
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/48:20 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 6/10![Southwest logo]()
$87
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:58 pm
PHX
- IDA
1 stop17h 02m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:45 am
PHX
- IDA
1 stop7h 15m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$95
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/116:00 am
PHX
- BOI
1 stop5h 14m
Delta
Deal found 6/12![Delta logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:58 pm
PHX
- GEG
1 stop22h 26m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:58 pm
PHX
- IDA
1 stop17h 07m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$105
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Thu 8/207:26 pm
PHX
- BOI
Nonstop2h 14m
American Airlines
Deal found 6/10![American Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:20 pm
PHX
- IDA
1 stop8h 44m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/610:27 pm
PHX
- IDA
1 stop14h 22m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$113
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/87:45 am
PHX
- BOI
1 stop5h 00m
Southwest
Deal found 6/11![Southwest logo]()
$114
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/84:02 pm
PHX
- BOI
1 stop5h 57m
Delta
Deal found 6/12![Delta logo]()
$115
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 June 15, 2026.
Round-trip from | $197 (Kiwi.com) |
|---|---|
One-way from | $77 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $337 |
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 2,558,603 searches. Data last updated June 15, 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
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 7/29
9:30 pm-12:35 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Wed 8/5
3:40 pm-4:55 pm
Nonstop2h 15m
$257
Quickest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 7/9
10:45 pm-1:50 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Thu 7/16
5:25 am-6:30 am
Nonstop2h 05m
$257
PhoenixTwin Falls
PHX - TWF
PHXTWF
Phoenix Sky Harbor Intl
Sun 8/16
12:20 pm-12:00 pm
2 stops22h 40m
Twin Falls Joslin
Fri 8/21
1:45 pm-11:24 am
1 stop22h 39m
$265
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Mon 7/13
4:02 pm-10:58 pm
1 stop5h 56m
Boise Air Term. Gowen Fld
Mon 7/20
1:05 pm-6:07 pm
1 stop6h 02m
$277
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Sun 6/21
6:00 am-1:16 pm
1 stop6h 16m
Hailey Sun Valley-Friedman
Thu 6/25
8:00 am-12:14 pm
1 stop5h 14m
$281
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Sat 7/4
5:15 pm-10:09 pm
1 stop3h 54m
Hailey Sun Valley-Friedman
Fri 7/10
3:15 pm-6:07 pm
1 stop3h 52m
$281
PhoenixHailey
PHX - SUN
PHXSUN
Phoenix Sky Harbor Intl
Fri 8/7
5:10 pm-10:08 pm
1 stop3h 58m
Hailey Sun Valley-Friedman
Tue 8/18
1:06 pm-4:04 pm
1 stop3h 58m
$281
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 9/3
8:55 pm-11:55 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
Mon 9/7
7:00 am-10:05 am
1 stop4h 05m
$282
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 7/29
7:00 am-1:25 pm
1 stop5h 25m
Boise Air Term. Gowen Fld
Mon 8/3
3:25 pm-9:00 pm
2 stops6h 35m
$282
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sun 7/5
8:50 pm-11:55 pm
Nonstop2h 05m
Boise Air Term. Gowen Fld
Fri 7/10
12:20 pm-7:40 pm
2 stops8h 20m
$287
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-GEG
PHX-BOI
PHX-IDA
PHX-TWF
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
PHX-GEG
PHX-BOI
PHX-IDA
PHX-TWF
What is the cheapest month to book a flight from Phoenix to Idaho?
Currently, August is the cheapest month in which you can book a flight from Phoenix to Idaho (average of $78). Flying from Phoenix to Idaho in March is currently the most expensive (average of $154). 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 June 15, 2026.
It’s typically best to fly out from Phoenix to Idaho in the morning. Doing so could potentially save you 38% 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 June 15, 2026.
The most flights from PH1 to USID are scheduled on a Friday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Phoenix to Idaho?
How far ahead should I book a flight from Phoenix to Idaho?
Booking 86 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 June 13, 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. Monday evenings 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 June 15, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, 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.
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Crew
8.5
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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 June 15, 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$82 | Average$192 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$124 | Average$196 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$261 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$149 | Average$275 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$163 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$459 | FlexibilityNo cancel fee | On-time69% |