$66+ Cheap flights from Phoenix to Boise (BOI)
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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
mar. 5 — mar. 121
1 adult, Economy
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Find cheap flights from Phoenix to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix to Boise Air Term. Gowen Fld are usually found in January or September, booked 88 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Phoenix to Boise
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Cheapest flights from Phoenix to BoiseExplore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 3, 2026.
Explore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 2/272:35 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/25:37 pm
BOI
- AZA
Nonstop2h 16m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$114
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/27:00 pm
PHX
- BOI
Nonstop2h 05m
Southwest
sáb. 5/167:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 1/31![Southwest logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 3/272:01 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/306:03 pm
BOI
- AZA
Nonstop2h 10m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
jue. 3/56:00 am
PHX
- BOI
1 stop5h 51m
Frontier
dom. 3/812:15 pm
BOI
- PHX
1 stop8h 59m
Frontier
Deal found 2/1![Frontier logo]()
$147
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/265:35 pm
PHX
- BOI
1 stop5h 10m
Delta
jue. 4/27:30 pm
BOI
- PHX
1 stop5h 28m
Delta
Deal found 2/2![Delta logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 4/293:18 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
sáb. 5/21:25 pm
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 2/2. 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.
jue. 2/196:00 am
PHX
- BOI
1 stop5h 51m
Multiple Airlines
dom. 3/17:15 am
BOI
- PHX
Nonstop2h 22m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 1/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/98:25 pm
PHX
- BOI
Nonstop2h 16m
American Airlines
sáb. 4/112:14 pm
BOI
- PHX
Nonstop2h 11m
American Airlines
Deal found 1/31![American Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/264:42 pm
PHX
- BOI
1 stop7h 03m
Delta
lun. 3/210:41 am
BOI
- PHX
1 stop8h 23m
Delta
Deal found 2/2![Delta logo]()
$174
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
lun. 2/165:41 pm
BOI
- AZA
Nonstop2h 17m
Allegiant Air
Deal found 2/2![Allegiant Air logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
lun. 2/27:00 am
AZA
- BOI
Nonstop2h 20m
Allegiant Air
lun. 2/910:10 am
BOI
- AZA
Nonstop2h 16m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
lun. 3/162:01 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
jue. 3/195:20 pm
BOI
- AZA
1 stop6h 50m
Allegiant Air
Deal found 1/31![Allegiant Air logo]()
$226
Best flights from Phoenix to BoiseDiscover carefully curated flight deals from Phoenix to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 3, 2026.
Discover carefully curated flight deals from Phoenix to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 2/272:35 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/25:37 pm
BOI
- AZA
Nonstop2h 16m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$114
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/27:00 pm
PHX
- BOI
Nonstop2h 05m
Southwest
sáb. 5/167:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 1/31![Southwest logo]()
$140
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/25:20 pm
PHX
- BOI
1 stop5h 36m
Delta
jue. 7/92:45 pm
BOI
- PHX
1 stop6h 52m
Delta
Deal found 2/2![Delta logo]()
$151
This CheapOair deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/267:52 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
lun. 3/27:15 am
BOI
- PHX
Nonstop2h 22m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 3/272:01 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/306:03 pm
BOI
- AZA
Nonstop2h 10m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$141
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/264:42 pm
PHX
- BOI
1 stop7h 03m
Delta
lun. 3/210:41 am
BOI
- PHX
1 stop8h 23m
Delta
Deal found 2/2![Delta logo]()
$174
This Southwest deal was found by Cheapflights users on 2/2. 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.
jue. 4/309:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
dom. 5/33:25 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 2/2![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/293:50 pm
PHX
- BOI
1 stop7h 27m
Delta
sáb. 5/28:00 am
BOI
- PHX
1 stop5h 07m
Delta
Deal found 2/2![Delta logo]()
$177
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
lun. 2/165:41 pm
BOI
- AZA
Nonstop2h 17m
Allegiant Air
Deal found 2/2![Allegiant Air logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Multiple Airlines
dom. 2/1511:56 am
BOI
- AZA
2 stops10h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/109:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
sáb. 4/117:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 1/31![Southwest logo]()
$186
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/23:50 pm
PHX
- BOI
1 stop5h 34m
Delta
dom. 5/35:40 am
BOI
- PHX
1 stop6h 10m
Delta
Deal found 2/2![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 2/1. 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.
jue. 4/210:10 am
PHX
- BOI
1 stop6h 20m
Southwest
mar. 4/710:05 am
BOI
- PHX
2 stops7h 25m
Southwest
Deal found 2/1![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 2/1. 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.
vie. 5/86:00 am
PHX
- BOI
1 stop7h 43m
Delta
mar. 5/1912:16 pm
BOI
- PHX
1 stop5h 24m
Delta
Deal found 2/1![Delta logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
lun. 3/162:01 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
jue. 3/195:20 pm
BOI
- AZA
1 stop6h 50m
Allegiant Air
Deal found 1/31![Allegiant Air logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 3/62:35 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
dom. 3/82:50 pm
BOI
- AZA
1 stop6h 24m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
dom. 2/152:48 pm
BOI
- AZA
1 stop6h 26m
Allegiant Air
Deal found 2/2![Allegiant Air logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
vie. 2/202:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
dom. 2/222:48 pm
BOI
- AZA
1 stop6h 26m
Allegiant Air
Deal found 2/2![Allegiant Air logo]()
$403
Last-minute flights from Phoenix to BoiseDiscover last-minute flight deals from Phoenix to Boise. Data last updated febrero 3, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Boise. Data last updated febrero 3, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
lun. 2/165:41 pm
BOI
- AZA
Nonstop2h 17m
Allegiant Air
Deal found 2/2![Allegiant Air logo]()
$182
This Expedia deal was found by Cheapflights users on 2/2. 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.
jue. 2/196:00 am
PHX
- BOI
1 stop5h 51m
Multiple Airlines
dom. 3/17:15 am
BOI
- PHX
Nonstop2h 22m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/197:52 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
dom. 2/227:15 am
BOI
- PHX
Nonstop2h 22m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$178
This Frontier deal was found by Cheapflights users on 2/1. 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.
jue. 2/196:00 am
PHX
- BOI
1 stop5h 51m
Frontier
dom. 2/2211:56 am
BOI
- PHX
1 stop6h 35m
Frontier
Deal found 2/1![Frontier logo]()
$195
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/264:42 pm
PHX
- BOI
1 stop7h 03m
Delta
lun. 3/210:41 am
BOI
- PHX
1 stop8h 23m
Delta
Deal found 2/2![Delta logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
jue. 2/267:52 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
lun. 3/27:15 am
BOI
- PHX
Nonstop2h 22m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 2/272:35 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/25:37 pm
BOI
- AZA
Nonstop2h 16m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$114
This Expedia deal was found by Cheapflights users on 2/1. 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.
dom. 3/16:00 am
PHX
- BOI
1 stop5h 11m
Multiple Airlines
dom. 3/87:15 am
BOI
- PHX
Nonstop2h 22m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 2/2. 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.
lun. 3/27:20 am
PHX
- BOI
2 stops5h 55m
Southwest
lun. 3/95:25 am
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 2/2![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
jue. 3/56:00 am
PHX
- BOI
1 stop5h 51m
Frontier
dom. 3/812:15 pm
BOI
- PHX
1 stop8h 59m
Frontier
Deal found 2/1![Frontier logo]()
$147
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/265:35 pm
PHX
- BOI
1 stop5h 10m
Delta
jue. 4/27:30 pm
BOI
- PHX
1 stop5h 28m
Delta
Deal found 2/2![Delta logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
vie. 3/272:01 pm
AZA
- BOI
Nonstop2h 12m
Allegiant Air
lun. 3/306:03 pm
BOI
- AZA
Nonstop2h 10m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$141
One-way flights from Phoenix to BoiseSearch for one-way flight options from Phoenix to Boise. Find affordable one-way fares based on user searches. Data last updated febrero 3, 2026.
Search for one-way flight options from Phoenix to Boise. Find affordable one-way fares based on user searches. Data last updated febrero 3, 2026.
This Southwest deal was found by Cheapflights users on 2/1. 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.
sáb. 2/288:55 am
PHX
- BOI
Nonstop2h 10m
Southwest
Deal found 2/1![Southwest logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 3/46:51 pm
PHX
- BOI
1 stop17h 00m
Frontier
Deal found 2/2![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/266:00 am
PHX
- BOI
1 stop5h 51m
Frontier
Deal found 2/2![Frontier logo]()
$74
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/289:22 am
PHX
- BOI
1 stop25h 49m
Frontier
Deal found 2/1![Frontier logo]()
$76
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
mar. 3/318:40 pm
PHX
- BOI
Nonstop2h 18m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/132:38 pm
AZA
- BOI
Nonstop2h 13m
Allegiant Air
Deal found 2/3![Allegiant Air logo]()
$80
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/196:00 am
PHX
- BOI
1 stop5h 51m
Frontier
Deal found 2/2![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2110:51 pm
PHX
- BOI
1 stop12h 20m
Frontier
Deal found 2/2![Frontier logo]()
$88
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
vie. 2/277:52 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
mar. 3/38:00 pm
PHX
- BOI
2 stops39h 51m
Frontier
Deal found 2/1![Frontier logo]()
$91
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/165:15 pm
PHX
- BOI
1 stop5h 42m
Delta
Deal found 2/2![Delta logo]()
$99
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/126:00 am
PHX
- BOI
1 stop5h 51m
Frontier
Deal found 2/2![Frontier logo]()
$101
Find flight deals from Phoenix to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 3, 2026.
Round-trip from | $114 (Kiwi.com) |
|---|---|
One-way from | $66 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $252 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix to Boise 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 febrero 3, 2026.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.
Fly from
Phoenix
Fly to
Boise
Route
Depart
Return
Price
PhoenixBoise
AZA - BOI
AZABOI
Phoenix-Mesa Gateway
vie. 2/27
2:35 pm-4:47 pm
Nonstop2h 12m
Boise Air Term. Gowen Fld
lun. 3/2
5:37 pm-7:53 pm
Nonstop2h 16m
$114
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 5/2
7:00 pm-10:05 pm
Nonstop2h 05m
Boise Air Term. Gowen Fld
sáb. 5/16
7:05 am-8:10 am
Nonstop2h 05m
$140
PhoenixBoise
AZA - BOI
AZABOI
Phoenix-Mesa Gateway
vie. 3/27
2:01 pm-5:13 pm
Nonstop2h 12m
Boise Air Term. Gowen Fld
lun. 3/30
6:03 pm-7:13 pm
Nonstop2h 10m
$141
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
jue. 7/2
5:20 pm-11:56 pm
1 stop5h 36m
Boise Air Term. Gowen Fld
jue. 7/9
2:45 pm-8:37 pm
1 stop6h 52m
$151
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
jue. 2/26
4:42 pm-11:45 pm
1 stop7h 03m
Boise Air Term. Gowen Fld
lun. 3/2
10:41 am-7:04 pm
1 stop8h 23m
$174
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
jue. 2/26
7:52 pm-10:09 pm
Nonstop2h 17m
Boise Air Term. Gowen Fld
lun. 3/2
7:15 am-9:37 am
Nonstop2h 22m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
jue. 4/30
9:55 pm-1:00 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
dom. 5/3
3:25 pm-4:30 pm
Nonstop2h 05m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
mié. 4/29
3:50 pm-12:17 am
1 stop7h 27m
Boise Air Term. Gowen Fld
sáb. 5/2
8:00 am-12:07 pm
1 stop5h 07m
$177
PhoenixBoise
AZA - BOI
AZABOI
Phoenix-Mesa Gateway
vie. 2/13
2:38 pm-4:51 pm
Nonstop2h 13m
Boise Air Term. Gowen Fld
lun. 2/16
5:41 pm-7:58 pm
Nonstop2h 17m
$182
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
vie. 4/10
9:55 pm-1:00 am
Nonstop2h 05m
Boise Air Term. Gowen Fld
sáb. 4/11
7:05 am-8:10 am
Nonstop2h 05m
$186
Showing 1-10 of 33 results
Best time to book a flight from Phoenix to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Phoenix with our price prediction graph.
PH1-BOI
PHX-BOI
AZA-BOI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix to Boise
PH1-BOI
PHX-BOI
AZA-BOI
How far ahead should I book a flight from Phoenix to Boise?
Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Boise. Price data was last updated on January 30, 2026.
To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Phoenix to Boise?
Currently, October is the cheapest month in which you can book a flight from Phoenix to Boise (average of $84). Flying from Phoenix to Boise in May is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to BOI?
Find hourly flight availability from Phoenix to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 3, 2026.
One of the essential ways to save on airfare from Phoenix to Boise is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.
What is the cheapest day to fly from Phoenix to Boise?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boise. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their Phoenix to Boise flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Phoenix to Boise
Explore weekly flight availability from Phoenix to Boise. 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 febrero 3, 2026.
The most flights from PH1 to BOI are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated febrero 3, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Phoenix to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
McCall
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Phoenix to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Phoenix to Boise
Discover the top 6 airlines that operate flights from Phoenix to Boise. 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 febrero 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$120 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$81 | Average$187 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$197 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$238 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$252 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$282 | FlexibilityNo cancel fee | On-time71% |