$43+ Cheap flights from Arizona 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Cheapest flights from Arizona to IdahoExplore the most affordable flight options available from Arizona to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Arizona to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/136:00 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 8/169:14 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/207:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/3010:12 am
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 10/151:06 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Sun 10/185:00 pm
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/177:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Sun 9/2010:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 6/20![Allegiant Air logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/224:10 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Sun 10/257:20 pm
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$123
This Frontier deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Sun 9/203:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 6/20![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/207:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 8/2710:12 am
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$134
This Frontier deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Sun 9/273:52 pm
BOI
- LAS
Nonstop1h 51m
Frontier
Deal found 6/16![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/305:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/28:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/265:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/28:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 9/310:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Thu 9/2410:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 6/20![Allegiant Air logo]()
$151
Best flights from Arizona to IdahoDiscover carefully curated flight deals from Arizona to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Arizona to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/1310:30 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 7/207:40 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:10 pm
LAS
- BOI
1 stop5h 48m
Delta
Sun 9/276:40 pm
BOI
- LAS
1 stop5h 34m
Delta
Deal found 6/19![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/315:52 pm
LAS
- BOI
Nonstop1h 51m
Alaska Airlines
Wed 8/57:57 am
BOI
- LAS
1 stop10h 42m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/112:56 pm
LAS
- SUN
1 stop5h 55m
United Airlines
Fri 7/171:57 pm
SUN
- LAS
1 stop7h 32m
United Airlines
Deal found 6/16![United Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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.
Mon 8/175:00 am
PHX
- JAC
1 stop8h 57m
American Airlines
Fri 8/214:30 pm
JAC
- PHX
1 stop6h 24m
American Airlines
Deal found 6/20![American Airlines logo]()
$372
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Mon 7/275:25 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 6/15![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/275:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Sun 8/305:52 pm
BOI
- PHX
1 stop6h 46m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$267
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:15 pm
LAS
- BOI
2 stops7h 35m
Southwest
Sun 8/236:00 am
BOI
- LAS
1 stop4h 30m
Southwest
Deal found 6/15![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/111:05 pm
PHX
- BOI
1 stop6h 20m
Alaska Airlines
Thu 8/132:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$271
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
PHX
- JAC
1 stop6h 48m
United Airlines
Wed 7/228:00 am
JAC
- PHX
1 stop5h 14m
United Airlines
Deal found 6/15![United Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/144:31 pm
TUS
- GEG
1 stop7h 24m
Delta
Tue 7/215:25 am
GEG
- TUS
1 stop6h 22m
Delta
Deal found 6/17![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/67:30 am
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 8/106:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 6/19![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:51 pm
LAS
- BOI
2 stops6h 34m
Alaska Airlines
Sun 9/64:17 pm
BOI
- LAS
1 stop6h 00m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/1610:30 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 7/207:40 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 6/17![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/66:00 am
PHX
- IDA
1 stop6h 25m
United Airlines
Fri 7/104:14 pm
IDA
- PHX
1 stop5h 18m
United Airlines
Deal found 6/17![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 6/18![Delta logo]()
$325
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:51 pm
LAS
- GEG
2 stops9h 08m
Alaska Airlines
Sat 10/34:38 pm
GEG
- LAS
1 stop7h 21m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 am
LAS
- BOI
Nonstop1h 45m
Southwest
Wed 9/306:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$272
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.
Wed 7/154:47 pm
TUS
- GEG
1 stop7h 15m
Delta
Mon 7/205:25 am
GEG
- TUS
1 stop6h 22m
Delta
Deal found 6/15![Delta logo]()
$345
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:59 am
LAS
- JAC
1 stop8h 15m
American Airlines
Fri 8/76:07 pm
JAC
- LAS
1 stop4h 53m
American Airlines
Deal found 6/15![American Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/1310:30 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Thu 7/165:55 pm
BOI
- LAS
1 stop7h 00m
Southwest
Deal found 6/18![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/157:11 am
PHX
- BOI
2 stops14h 22m
Alaska Airlines
Wed 7/222:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 11/176:20 am
PHX
- JAC
1 stop7h 09m
United Airlines
Wed 11/182:40 pm
JAC
- PHX
1 stop6h 47m
United Airlines
Deal found 6/18![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/76:20 am
TUS
- BOI
1 stop7h 26m
Delta
Fri 7/101:05 pm
BOI
- TUS
1 stop4h 01m
Delta
Deal found 6/16![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/119:45 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Wed 7/156:30 am
BOI
- LAS
2 stops5h 10m
Southwest
Deal found 6/17![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/257:00 am
TUS
- GEG
1 stop7h 47m
Alaska Airlines
Wed 8/268:31 am
GEG
- TUS
1 stop5h 34m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/74:47 pm
TUS
- BOI
1 stop5h 11m
Delta
Wed 7/156:42 pm
BOI
- TUS
1 stop3h 47m
Delta
Deal found 6/18![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/317:35 pm
LAS
- BOI
1 stop5h 15m
Southwest
Mon 8/33:25 pm
BOI
- LAS
1 stop3h 55m
Southwest
Deal found 6/16![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 12/111:05 am
PHX
- JAC
1 stop5h 24m
Delta
Sat 12/51:10 pm
JAC
- PHX
1 stop3h 47m
Delta
Deal found 6/19![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/253:03 pm
TUS
- BOI
1 stop7h 41m
Alaska Airlines
Wed 8/268:03 am
BOI
- TUS
1 stop7h 02m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$333
Last-minute flights from Arizona to IdahoDiscover last-minute flight deals from Arizona to Idaho. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Arizona to Idaho. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/75:00 pm
LAS
- BOI
1 stop6h 05m
Delta
Thu 7/96:00 am
BOI
- LAS
1 stop3h 50m
Delta
Deal found 6/16![Delta logo]()
$217
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 7/168:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/95:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 7/128:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/96:19 pm
LAS
- GEG
1 stop4h 48m
Multiple Airlines
Thu 7/168:51 pm
GEG
- LAS
Nonstop2h 16m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$214
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:40 am
LAS
- BOI
Nonstop1h 50m
Southwest
Tue 7/142:05 pm
BOI
- LAS
1 stop5h 25m
Southwest
Deal found 6/15![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/1310:30 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 7/207:40 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$197
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:52 pm
LAS
- BOI
Nonstop1h 51m
Multiple Airlines
Tue 7/211:24 pm
BOI
- LAS
1 stop22h 43m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 7/265:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/28:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$145
This CheapOair deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Sun 7/265:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 8/69:14 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$149
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 7/308:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/265:39 pm
LAS
- GEG
Nonstop2h 22m
Multiple Airlines
Wed 7/298:53 am
GEG
- LAS
1 stop8h 19m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$210
This CheapOair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/305:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/28:51 pm
GEG
- LAS
Nonstop2h 16m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$143
One-way flights from Arizona to IdahoSearch for one-way flight options from Arizona to Idaho. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Arizona to Idaho. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$43
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/207:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$47
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 6/15![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 9/137:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/177:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/136:00 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$55
This Cheapflightsfares deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/37:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$56
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 6/19![Frontier logo]()
$59
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 6/19![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 8/166:00 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$66
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 6/19![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 9/1610:55 pm
PHX
- GEG
1 stop10h 24m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$76
Find flight deals from Arizona to Idaho
Keep the following information in mind while searching for Arizona to Idaho flight deals. Data was last updated June 20, 2026.
Round-trip from | $106 (Cheapflightsfares) |
|---|---|
One-way from | $43 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $334 |
Good round-trip deal | $194 or less |
Good one-way deal | $188 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Arizona 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 20, 2026.
Use the filters below to find and compare flights from Arizona to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Mon 7/13
10:30 pm-1:15 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Mon 7/20
7:40 pm-8:25 pm
Nonstop1h 45m
$197
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 9/24
5:10 pm-11:58 pm
1 stop5h 48m
Boise Air Term. Gowen Fld
Sun 9/27
6:40 pm-11:14 pm
1 stop5h 34m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 7/24
10:45 pm-1:50 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
Mon 7/27
5:25 am-6:30 am
Nonstop2h 05m
$257
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 8/21
2:15 pm-10:50 pm
2 stops7h 35m
Boise Air Term. Gowen Fld
Sun 8/23
6:00 am-9:30 am
1 stop4h 30m
$262
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 7/31
5:52 pm-8:43 pm
Nonstop1h 51m
Boise Air Term. Gowen Fld
Wed 8/5
7:57 am-5:39 pm
1 stop10h 42m
$265
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 8/27
5:30 pm-8:42 pm
Nonstop2h 12m
Boise Air Term. Gowen Fld
Sun 8/30
5:52 pm-11:38 pm
1 stop6h 46m
$267
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 8/6
7:30 am-10:15 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Mon 8/10
6:00 am-6:45 am
Nonstop1h 45m
$267
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 7/16
10:30 pm-1:15 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Mon 7/20
7:40 pm-8:25 pm
Nonstop1h 45m
$267
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 8/11
1:05 pm-8:25 pm
1 stop6h 20m
Boise Air Term. Gowen Fld
Thu 8/13
2:55 pm-4:14 pm
Nonstop2h 19m
$271
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 9/4
7:30 am-10:15 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Wed 9/30
6:00 am-6:45 am
Nonstop1h 45m
$272
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Arizona to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Arizona with our price prediction graph.
LAS-BOI
LAS-SUN
PHX-JAC
PHX-BOI
TUS-GEG
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 Arizona to Idaho
USAZ-USID
LAS-BOI
LAS-SUN
PHX-JAC
PHX-BOI
What is the cheapest month to book a flight from Arizona to Idaho?
Currently, August is the cheapest month in which you can book a flight from Arizona to Idaho (average of $78). Flying from Arizona 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 AZ to ID?
Find hourly flight availability from Arizona 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 20, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 38% on flights from Arizona to Idaho by exploring options for tickets in the morning.
Weekly flight availability from Arizona to Idaho
Explore weekly flight availability from Arizona 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 20, 2026.
The most flights from USAZ to USID are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Arizona to Idaho?
How far ahead should I book a flight from Arizona to Idaho?
The best time to book flights from Arizona to Idaho is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Arizona to Idaho?
Use this chart to determine the cheapest time to fly round-trip from Arizona to Idaho. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Arizona 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 20, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Arizona to Idaho to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Food
7.1
Overall
7.9
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Arizona 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 Arizona 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 Arizona to Idaho by cabin class
Find flights from Arizona to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Arizona and Idaho flights
Browse other Arizona and Idaho flight options. Last updated on June 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Arizona after your stay in Idaho
Arizona to Idaho flights
Consider these flights traveling from Arizona to Idaho.
Top 7 airlines flying from Arizona to Idaho
Discover the top 7 airlines that operate flights from Arizona 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$381 | 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$370 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$149 | Average$310 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$163 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$459 | FlexibilityNo cancel fee | On-time69% |