$60+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jun 4 — Jun 111
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 May 5, 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 May 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 5/318:45 pm
GEG
- LAS
Nonstop2h 15m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 6/78:47 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 5/248:45 pm
GEG
- LAS
Nonstop2h 15m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Sun 8/99:14 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:36 pm
LAS
- GEG
Nonstop2h 21m
Allegiant Air
Sun 6/148:47 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$143
This Expedia deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
LAS
- BOI
1 stop5h 08m
Frontier
Sun 6/71:33 pm
BOI
- LAS
1 stop7h 30m
Frontier
Deal found 5/4![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:59 am
LAS
- BOI
1 stop10h 31m
Frontier
Tue 6/301:25 pm
BOI
- LAS
1 stop11h 04m
Frontier
Deal found 5/4![Frontier logo]()
$190
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:30 pm
LAS
- BOI
1 stop23h 08m
Multiple Airlines
Mon 6/82:38 pm
BOI
- LAS
Nonstop1h 59m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:00 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 6/15:40 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 5/4![Southwest logo]()
$197
This Expedia deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:34 pm
LAS
- BOI
1 stop16h 56m
Frontier
Tue 6/231:25 pm
BOI
- LAS
1 stop25h 23m
Frontier
Deal found 5/3![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 5/1. 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.
Wed 5/1312:29 am
LAS
- BOI
1 stop10h 58m
Frontier
Sun 5/171:22 pm
BOI
- LAS
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 5/1. 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 5/145:15 am
PHX
- BOI
1 stop6h 12m
Frontier
Sun 5/171:22 pm
BOI
- PHX
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
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 May 5, 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 May 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:32 pm
LAS
- BOI
Nonstop2h 00m
Alaska Airlines
Sat 6/62:38 pm
BOI
- LAS
Nonstop1h 59m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:13 pm
LAS
- BOI
1 stop5h 42m
United Airlines
Mon 6/87:05 pm
BOI
- LAS
1 stop5h 05m
United Airlines
Deal found 5/2![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Mon 6/87:40 pm
BOI
- PHX
1 stop5h 05m
Southwest
Deal found 5/4![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 7/35:18 pm
PHX
- BOI
1 stop5h 51m
Delta
Tue 7/71:05 pm
BOI
- PHX
1 stop6h 02m
Delta
Deal found 5/1![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:07 pm
TUS
- IDA
1 stop5h 32m
American Airlines
Tue 5/2612:44 pm
IDA
- TUS
1 stop11h 13m
American Airlines
Deal found 5/3![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:30 am
LAS
- BOI
Nonstop1h 50m
Southwest
Sun 6/79:00 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 5/2![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:00 pm
PHX
- GEG
1 stop9h 45m
Alaska Airlines
Tue 6/21:59 pm
GEG
- PHX
1 stop4h 57m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:00 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 5/256:00 am
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 5/1![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:48 pm
LAS
- BOI
1 stop3h 16m
Delta
Mon 6/112:55 pm
BOI
- LAS
1 stop4h 05m
Delta
Deal found 5/4![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:53 pm
PHX
- GEG
1 stop25h 52m
Alaska Airlines
Sun 5/317:01 am
GEG
- PHX
1 stop16h 55m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:35 pm
PHX
- GEG
Nonstop2h 30m
Southwest
Wed 7/85:00 am
GEG
- PHX
1 stop5h 15m
Southwest
Deal found 5/5![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:00 pm
LAS
- BOI
1 stop6h 04m
Delta
Mon 5/2512:55 pm
BOI
- LAS
1 stop4h 05m
Delta
Deal found 5/4![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:10 pm
LAS
- GEG
Nonstop2h 20m
Southwest
Mon 6/89:50 am
GEG
- LAS
Nonstop2h 20m
Southwest
Deal found 5/5![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 8/96:00 am
PHX
- JAC
1 stop3h 48m
Delta
Fri 8/217:15 am
JAC
- PHX
1 stop5h 52m
Delta
Deal found 4/30![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 7/35:52 pm
LAS
- BOI
Nonstop1h 51m
Alaska Airlines
Sat 7/114:15 pm
BOI
- LAS
Nonstop1h 57m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 5/1. 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 7/711:37 am
TUS
- BOI
1 stop4h 12m
American Airlines
Fri 7/105:40 pm
BOI
- TUS
1 stop6h 02m
American Airlines
Deal found 5/1![American Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:40 pm
PHX
- BOI
1 stop5h 30m
Southwest
Wed 6/102:05 pm
BOI
- PHX
2 stops6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 8/185:40 am
TUS
- IDA
1 stop6h 44m
United Airlines
Wed 8/194:10 pm
IDA
- TUS
1 stop5h 05m
United Airlines
Deal found 4/30![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 5/1. 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 8/1710:05 am
PHX
- JAC
1 stop5h 23m
Delta
Fri 8/217:15 am
JAC
- PHX
1 stop5h 52m
Delta
Deal found 5/1![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:29 pm
TUS
- IDA
1 stop7h 10m
Alaska Airlines
Wed 6/247:15 am
IDA
- TUS
1 stop7h 16m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:40 am
LAS
- BOI
2 stops5h 50m
Southwest
Mon 6/85:55 pm
BOI
- LAS
1 stop6h 55m
Southwest
Deal found 5/2![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:16 pm
PHX
- BOI
1 stop5h 48m
Delta
Sun 5/246:41 pm
BOI
- PHX
1 stop3h 40m
Delta
Deal found 5/4![Delta logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:37 pm
LAS
- GEG
1 stop25h 08m
Alaska Airlines
Sun 5/3112:46 pm
GEG
- LAS
1 stop6h 11m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Fri 6/195:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 4/30![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:50 am
PHX
- WYS
1 stop5h 17m
United Airlines
Sat 5/162:03 pm
WYS
- PHX
1 stop7h 16m
United Airlines
Deal found 5/4![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 6/149:45 am
PHX
- JAC
1 stop6h 15m
Delta
Fri 6/196:05 pm
JAC
- PHX
2 stops7h 05m
Delta
Deal found 4/30![Delta logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 am
PHX
- GEG
Nonstop2h 43m
Alaska Airlines
Wed 8/2612:46 pm
GEG
- PHX
1 stop8h 00m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Mon 6/157:40 pm
BOI
- PHX
1 stop4h 00m
Southwest
Deal found 5/2![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:20 pm
PHX
- JAC
1 stop5h 22m
Delta
Mon 6/156:05 pm
JAC
- PHX
1 stop6h 31m
Delta
Deal found 5/5![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 6/121:20 pm
PHX
- JAC
1 stop5h 22m
Delta
Tue 6/236:05 pm
JAC
- PHX
1 stop6h 31m
Delta
Deal found 4/30![Delta logo]()
$320
Last-minute flights from Arizona to IdahoDiscover last-minute flight deals from Arizona to Idaho. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Arizona to Idaho. Data last updated May 5, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/1. 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.
Wed 5/1312:29 am
LAS
- BOI
1 stop10h 58m
Frontier
Sun 5/171:22 pm
BOI
- LAS
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 5/1. 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 5/145:15 am
PHX
- BOI
1 stop6h 12m
Frontier
Sun 5/171:22 pm
BOI
- PHX
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 5/248:45 pm
GEG
- LAS
Nonstop2h 15m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 5/318:45 pm
GEG
- LAS
Nonstop2h 15m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Sun 6/78:47 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$122
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:00 pm
LAS
- BOI
Nonstop1h 45m
Southwest
Mon 6/15:40 pm
BOI
- LAS
Nonstop1h 45m
Southwest
Deal found 5/4![Southwest logo]()
$197
This Expedia deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
LAS
- BOI
1 stop5h 08m
Frontier
Sun 6/71:33 pm
BOI
- LAS
1 stop7h 30m
Frontier
Deal found 5/4![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 am
PHX
- BOI
1 stop6h 23m
Multiple Airlines
Mon 6/86:08 pm
BOI
- PHX
Nonstop2h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$209
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:30 pm
LAS
- BOI
1 stop23h 08m
Multiple Airlines
Mon 6/82:38 pm
BOI
- LAS
Nonstop1h 59m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:36 pm
LAS
- GEG
Nonstop2h 21m
Allegiant Air
Sun 6/148:47 pm
GEG
- LAS
Nonstop2h 21m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$138
This Expedia deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:34 pm
LAS
- BOI
1 stop16h 56m
Frontier
Tue 6/231:25 pm
BOI
- LAS
1 stop25h 23m
Frontier
Deal found 5/3![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:59 am
LAS
- BOI
1 stop10h 31m
Frontier
Tue 6/301:25 pm
BOI
- LAS
1 stop11h 04m
Frontier
Deal found 5/4![Frontier logo]()
$190
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 May 5, 2026.
Search for one-way flight options from Arizona to Idaho. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com 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
Deal found 5/5![Allegiant Air logo]()
$65
This Cheapflightsfares deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
- GEG
Nonstop2h 24m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/215:36 pm
LAS
- GEG
Nonstop2h 21m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:39 pm
LAS
- GEG
Nonstop2h 22m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$87
This Frontier deal was found by Cheapflights users on 5/1. 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 5/285:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Deal found 5/1![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 5/2710:27 pm
PHX
- GEG
1 stop21h 28m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$91
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:15 am
LAS
- BOI
1 stop5h 14m
Frontier
Deal found 5/4![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:29 am
LAS
- BOI
1 stop11h 01m
Frontier
Deal found 5/4![Frontier logo]()
$96
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 May 5, 2026.
Round-trip from | $85 (Cheapflightsfares) |
|---|---|
One-way from | $60 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $301 |
Good round-trip deal | $183 or less |
Good one-way deal | $80 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 May 5, 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 VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Tue 6/2
2:32 pm-5:32 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
Sat 6/6
2:38 pm-3:37 pm
Nonstop1h 59m
$207
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Sat 6/6
5:13 pm-11:55 pm
1 stop5h 42m
Boise Air Term. Gowen Fld
Mon 6/8
7:05 pm-11:10 pm
1 stop5h 05m
$217
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 6/5
10:45 pm-1:45 am
Nonstop2h 00m
Boise Air Term. Gowen Fld
Mon 6/8
7:40 pm-11:45 pm
1 stop5h 05m
$247
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Sun 5/31
8:30 am-11:20 am
Nonstop1h 50m
Boise Air Term. Gowen Fld
Sun 6/7
9:00 pm-9:45 pm
Nonstop1h 45m
$247
Quickest round-trip
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Fri 5/22
10:00 pm-12:45 am
Nonstop1h 45m
Boise Air Term. Gowen Fld
Mon 5/25
6:00 am-6:45 am
Nonstop1h 45m
$247
PhoenixSpokane
PHX - GEG
PHXGEG
Phoenix Sky Harbor Intl
Sat 5/30
12:00 pm-9:45 pm
1 stop9h 45m
Spokane
Tue 6/2
1:59 pm-6:56 pm
1 stop4h 57m
$261
PhoenixSpokane
PHX - GEG
PHXGEG
Phoenix Sky Harbor Intl
Wed 6/24
9:35 pm-12:05 am
Nonstop2h 30m
Spokane
Wed 7/8
5:00 am-10:15 am
1 stop5h 15m
$267
Las VegasSpokane
LAS - GEG
LASGEG
Las Vegas Harry Reid Intl
Thu 6/4
10:10 pm-12:30 am
Nonstop2h 20m
Spokane
Mon 6/8
9:50 am-12:10 pm
Nonstop2h 20m
$271
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 6/4
6:40 pm-1:10 am
1 stop5h 30m
Boise Air Term. Gowen Fld
Wed 6/10
2:05 pm-7:25 pm
2 stops6h 20m
$272
Las VegasBoise
LAS - BOI
LASBOI
Las Vegas Harry Reid Intl
Sat 6/6
9:40 am-4:30 pm
2 stops5h 50m
Boise Air Term. Gowen Fld
Mon 6/8
5:55 pm-11:50 pm
1 stop6h 55m
$274
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
PHX-BOI
LAS-GEG
PHX-JAC
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
PHX-BOI
LAS-GEG
PHX-JAC
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 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 January is currently the most expensive (average of $122). 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 May 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 26% on flights from Arizona to Idaho by exploring options for tickets in the afternoon.
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 May 2, 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.
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 May 5, 2026.
The most flights from USAZ to USID are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Arizona to Idaho?
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 May 5, 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.
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 May 5, 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$82 | Average$166 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$124 | Average$198 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$395 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$304 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$456 | FlexibilityNo cancel fee | On-time69% |