$33+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Arizona to Idaho with Cheapflights
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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 August 2, 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 August 2, 2026.
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Thu 10/12:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$67
This CheapOair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/107:00 am
LAS
- GEG
Nonstop2h 19m
Allegiant Air
Sun 9/1310:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 7/28![Allegiant Air logo]()
$71
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 9/202:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 10/42:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Thu 10/12:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/282:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$81
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Mon 9/212:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 7/31![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 9/202:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Sun 10/42:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Thu 9/242:50 pm
BOI
- LAS
Nonstop1h 55m
Frontier
Deal found 8/1![Frontier logo]()
$87
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 August 2, 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 August 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 11/45:44 pm
LAS
- GEG
1 stop6h 15m
Alaska Airlines
Sun 11/812:57 pm
GEG
- LAS
1 stop8h 03m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 8/1. 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 9/157:40 pm
LAS
- BOI
Nonstop1h 50m
Southwest
Tue 9/2211:30 am
BOI
- LAS
2 stops6h 20m
Southwest
Deal found 8/1![Southwest logo]()
$172
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/187:16 pm
LAS
- GEG
1 stop4h 43m
Delta
Sat 8/224:16 pm
GEG
- LAS
1 stop4h 52m
Delta
Deal found 7/28![Delta logo]()
$229
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:30 pm
TUS
- BOI
1 stop7h 54m
United Airlines
Sun 8/302:44 pm
BOI
- TUS
1 stop6h 46m
United Airlines
Deal found 7/30![United Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/3112:20 pm
PHX
- IDA
1 stop6h 23m
Multiple Airlines
Mon 9/78:36 pm
IDA
- PHX
2 stops17h 41m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 11/147:25 am
LAS
- BOI
2 stops5h 45m
Southwest
Mon 11/1611:25 am
BOI
- LAS
Nonstop1h 50m
Southwest
Deal found 8/1![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 12/78:10 am
LAS
- BOI
2 stops5h 35m
Southwest
Wed 12/96:15 am
BOI
- LAS
Nonstop1h 50m
Southwest
Deal found 7/29![Southwest logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/282:51 pm
LAS
- BOI
1 stop4h 29m
Alaska Airlines
Sun 8/301:30 pm
BOI
- LAS
Nonstop2h 01m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$222
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:15 am
LAS
- JAC
1 stop5h 10m
American Airlines
Mon 9/284:11 pm
JAC
- LAS
1 stop7h 15m
American Airlines
Deal found 8/2![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/2410:10 am
LAS
- BOI
2 stops8h 00m
Southwest
Mon 9/283:50 pm
BOI
- LAS
Nonstop1h 55m
Southwest
Deal found 7/29![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/306:00 am
PHX
- BOI
1 stop5h 14m
Delta
Sun 9/65:15 pm
BOI
- PHX
1 stop5h 56m
Delta
Deal found 7/31![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/246:02 am
LAS
- BOI
1 stop5h 33m
Alaska Airlines
Mon 9/286:49 pm
BOI
- LAS
1 stop15h 53m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/305:10 pm
PHX
- BOI
1 stop5h 49m
Delta
Mon 8/316:00 am
BOI
- PHX
1 stop3h 44m
Delta
Deal found 7/31![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/207:30 am
LAS
- BOI
Nonstop1h 45m
Southwest
Fri 8/216:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 7/28![Southwest logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 9/1812:13 pm
PHX
- BOI
1 stop7h 07m
Alaska Airlines
Sun 9/206:00 am
BOI
- PHX
1 stop4h 51m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:54 am
TUS
- GEG
1 stop7h 20m
Delta
Thu 8/205:15 am
GEG
- TUS
1 stop6h 38m
Delta
Deal found 8/1![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/103:55 pm
LAS
- BOI
2 stops6h 00m
Southwest
Mon 9/147:00 am
BOI
- LAS
2 stops5h 25m
Southwest
Deal found 7/29![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Sun 9/276:00 am
BOI
- PHX
1 stop4h 51m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:29 pm
TUS
- BOI
1 stop7h 08m
United Airlines
Sat 8/292:44 pm
BOI
- TUS
1 stop6h 46m
United Airlines
Deal found 8/1![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 9/75:10 pm
PHX
- GEG
1 stop5h 21m
Delta
Mon 9/143:59 pm
GEG
- PHX
1 stop7h 37m
Delta
Deal found 7/30![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/115:45 am
LAS
- BOI
1 stop6h 30m
Southwest
Fri 9/182:45 pm
BOI
- LAS
1 stop6h 20m
Southwest
Deal found 7/28![Southwest logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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
PHX
- BOI
1 stop12h 20m
Alaska Airlines
Thu 8/273:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/249:15 am
LAS
- GEG
Nonstop2h 25m
Southwest
Mon 9/286:55 am
GEG
- LAS
Nonstop2h 20m
Southwest
Deal found 7/28![Southwest logo]()
$219
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:20 pm
PHX
- BOI
1 stop3h 35m
Delta
Tue 9/811:03 am
BOI
- PHX
1 stop6h 07m
Delta
Deal found 8/1![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/238:50 am
PHX
- JAC
1 stop6h 49m
United Airlines
Thu 9/248:00 am
JAC
- PHX
1 stop8h 00m
United Airlines
Deal found 7/28![United Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/236:02 am
LAS
- GEG
1 stop5h 01m
Alaska Airlines
Sat 8/2910:36 am
GEG
- LAS
1 stop3h 55m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:20 pm
PHX
- BOI
1 stop3h 35m
Delta
Wed 8/261:06 pm
BOI
- PHX
1 stop3h 58m
Delta
Deal found 8/1![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:20 am
LAS
- GEG
Nonstop2h 30m
Southwest
Mon 11/161:35 pm
GEG
- LAS
1 stop7h 00m
Southwest
Deal found 7/29![Southwest logo]()
$229
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am
LAS
- JAC
1 stop5h 21m
American Airlines
Fri 10/95:59 pm
JAC
- LAS
1 stop5h 15m
American Airlines
Deal found 8/1![American Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
PHX
- SUN
1 stop6h 54m
United Airlines
Thu 9/107:00 am
SUN
- PHX
1 stop6h 28m
United Airlines
Deal found 7/30![United Airlines logo]()
$381
Last-minute flights from Arizona to IdahoDiscover last-minute flight deals from Arizona to Idaho. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Arizona to Idaho. Data last updated August 2, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 7/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:57 am
LAS
- BOI
1 stop9h 32m
Multiple Airlines
Mon 8/241:30 pm
BOI
- LAS
Nonstop2h 01m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/207:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/2310:12 am
GEG
- LAS
Nonstop2h 23m
Allegiant Air
Deal found 7/29![Allegiant Air logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/209:03 am
PHX
- IDA
1 stop24h 44m
Multiple Airlines
Mon 8/245:33 pm
IDA
- PHX
1 stop6h 51m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$176
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:34 pm
LAS
- BOI
1 stop15h 55m
Frontier
Thu 8/2712:24 pm
BOI
- LAS
1 stop23h 36m
Frontier
Deal found 7/31![Frontier logo]()
$158
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:11 pm
LAS
- BOI
Nonstop1h 58m
Multiple Airlines
Thu 8/2712:24 pm
BOI
- LAS
1 stop19h 45m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$183
This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 am
LAS
- GEG
Nonstop2h 22m
Multiple Airlines
Sat 8/2910:36 am
GEG
- LAS
1 stop3h 55m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 7/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:28 pm
LAS
- GEG
1 stop5h 21m
Alaska Airlines
Tue 9/18:31 am
GEG
- LAS
1 stop6h 57m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/268:00 am
LAS
- BOI
Nonstop1h 50m
Southwest
Wed 9/26:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 7/29![Southwest logo]()
$149
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Thu 9/310:09 am
GEG
- LAS
Nonstop2h 18m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$122
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 8/273:11 pm
LAS
- BOI
Nonstop1h 58m
Alaska Airlines
Sun 8/301:30 pm
BOI
- LAS
Nonstop2h 01m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 8/299:20 am
LAS
- BOI
Nonstop1h 55m
Southwest
Sat 9/53:10 pm
BOI
- LAS
Nonstop1h 50m
Southwest
Deal found 8/1![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:17 pm
LAS
- BOI
1 stop4h 43m
Delta
Sat 9/56:44 pm
BOI
- LAS
1 stop4h 52m
Delta
Deal found 8/1![Delta logo]()
$177
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 August 2, 2026.
Search for one-way flight options from Arizona to Idaho. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 8/1![Frontier logo]()
$33
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:01 pm
LAS
- BOI
Nonstop1h 56m
Frontier
Deal found 7/30![Frontier logo]()
$45
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Thu 8/277:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$50
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:10 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sun 8/307:00 am
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$58
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/298:02 am
LAS
- GEG
1 stop6h 45m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$59
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 am
LAS
- BOI
Nonstop1h 55m
Frontier
Deal found 7/30![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 10/11:06 pm
LAS
- GEG
Nonstop2h 28m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/288:00 am
PHX
- BOI
1 stop4h 55m
Frontier
Deal found 7/31![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 10/2810:40 pm
PHX
- BOI
1 stop15h 17m
Frontier
Deal found 7/31![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 am
PHX
- BOI
1 stop4h 55m
Frontier
Deal found 7/29![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
LAS
- BOI
1 stop5h 29m
Frontier
Deal found 7/31![Frontier logo]()
$71
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 August 2, 2026.
Round-trip from | $66 (Expedia) |
|---|---|
One-way from | $33 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $246 |
Good round-trip deal | $246 or less |
Good one-way deal | $74 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 August 2, 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
Las VegasSpokane
LAS - GEG
LASGEG
Las Vegas Harry Reid Intl
Wed 11/4
5:44 pm-11:59 pm
1 stop6h 15m
Spokane
Sun 11/8
12:57 pm-9:00 pm
1 stop8h 03m
$137
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Tue 9/15
7:40 pm-10:30 pm
Nonstop1h 50m
Boise Air Term. Gowen Fld
Tue 9/22
11:30 am-4:50 pm
2 stops6h 20m
$172
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Sat 11/14
7:25 am-2:10 pm
2 stops5h 45m
Boise Air Term. Gowen Fld
Mon 11/16
11:25 am-12:15 pm
Nonstop1h 50m
$172
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Mon 12/7
8:10 am-2:45 pm
2 stops5h 35m
Boise Air Term. Gowen Fld
Wed 12/9
6:15 am-7:05 am
Nonstop1h 50m
$174
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 9/24
10:10 am-7:10 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Mon 9/28
3:50 pm-4:45 pm
Nonstop1h 55m
$192
Quickest round-trip
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 8/20
7:30 am-10:15 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Fri 8/21
6:00 am-6:45 am
Nonstop1h 45m
$199
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Thu 9/10
3:55 pm-10:55 pm
2 stops6h 00m
Boise Air Term. Gowen Fld
Mon 9/14
7:00 am-11:25 am
2 stops5h 25m
$207
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 9/11
5:45 am-1:15 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Fri 9/18
2:45 pm-8:05 pm
1 stop6h 20m
$213
Las VegasSpokane
LAS - GEG
LASGEG
Las Vegas Harry Reid Intl
Thu 9/24
9:15 am-11:40 am
Nonstop2h 25m
Spokane
Mon 9/28
6:55 am-9:15 am
Nonstop2h 20m
$219
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 8/28
2:51 pm-8:20 pm
1 stop4h 29m
Boise Air Term. Gowen Fld
Sun 8/30
1:30 pm-2:31 pm
Nonstop2h 01m
$222
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-GEG
LAS-BOI
LAS-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-GEG
LAS-BOI
LAS-JAC
PHX-BOI
What is the cheapest month to book a flight from Arizona to Idaho?
Currently, January is the cheapest month in which you can book a flight from Arizona to Idaho (average of $186). Flying from Arizona to Idaho in July is currently the most expensive (average of $366). 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 August 2, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 29% on flights from Arizona to Idaho by exploring options for tickets at noon.
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 August 2, 2026.
The most flights from USAZ to USID are scheduled on a Saturday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Arizona to Idaho?
Airfare is typical for this route at the moment.
Arizona to Idaho flights typically cost between $236 and $298 in October.The cheapest round-trip price found within the last 5 days was $236 on Frontier (Oct 30-Nov 1).
How far ahead should I book a flight from Arizona to Idaho?
The best time to book flights from Arizona to Idaho is 78 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 July 25, 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 August 2, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, 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
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 August 2, 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$193 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$82 | Average$215 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$99 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$385 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$311 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$173 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$175 | Average$450 | FlexibilityNo cancel fee | On-time69% |