$87+ Cheap flights from Boise (BOI) to Phoenix
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Phoenix 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 Boise Air Term. Gowen Fld to Phoenix are usually found in September or January, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Boise to Phoenix
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Best
Last-minute
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Cheapest flights from Boise to PhoenixExplore the most affordable flight options available from Boise to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from Boise to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/218:01 am
BOI
- PHX
Nonstop2h 22m
American Airlines
Sun 8/2310:09 am
PHX
- BOI
Nonstop2h 15m
American Airlines
Deal found 7/2![American Airlines logo]()
$257
This Mytrip deal was found by Cheapflights users on 7/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:24 pm
BOI
- PHX
1 stop12h 15m
Frontier
Sat 9/56:35 am
PHX
- BOI
1 stop27h 54m
Frontier
Deal found 7/5![Frontier logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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.
Thu 10/225:03 pm
BOI
- PHX
Nonstop2h 16m
Alaska Airlines
Mon 10/267:01 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 9/185:42 pm
BOI
- PHX
Nonstop2h 13m
Alaska Airlines
Mon 9/213:15 pm
PHX
- BOI
1 stop21h 47m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/3. 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.
Sat 10/107:10 am
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Mon 10/129:05 am
PHX
- BOI
Nonstop2h 13m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 7/5. 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.
Sat 10/104:55 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Sun 10/1110:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 7/5![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/88:00 pm
BOI
- PHX
1 stop4h 33m
Alaska Airlines
Mon 8/106:53 pm
PHX
- BOI
1 stop24h 32m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$263
This Travelocity deal was found by Cheapflights users on 7/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Thu 8/66:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 7/1. 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.
Sat 8/82:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sun 8/166:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 8/2611:12 am
BOI
- PHX
1 stop5h 52m
Delta
Sun 8/307:20 pm
PHX
- BOI
1 stop3h 39m
Delta
Deal found 7/1![Delta logo]()
$267
This CheapOair deal was found by Cheapflights users on 7/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- PHX
1 stop21h 47m
Frontier
Wed 7/224:48 pm
PHX
- BOI
1 stop18h 41m
Frontier
Deal found 7/5![Frontier logo]()
$268
This Traveloka deal was found by Cheapflights users on 7/2. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Sun 8/235:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$269
Best flights from Boise to PhoenixDiscover carefully curated flight deals from Boise to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from Boise to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 10/225:03 pm
BOI
- PHX
Nonstop2h 16m
Alaska Airlines
Mon 10/269:05 am
PHX
- BOI
Nonstop2h 13m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/1. 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 8/187:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Thu 8/208:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 7/1![Southwest logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/187:57 am
BOI
- PHX
1 stop16h 36m
Alaska Airlines
Thu 8/205:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 10/207:10 am
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Wed 10/214:13 pm
PHX
- BOI
1 stop6h 45m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 7/5. 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.
Fri 9/42:45 pm
BOI
- PHX
1 stop6h 40m
Southwest
Mon 9/711:20 am
PHX
- BOI
2 stops6h 50m
Southwest
Deal found 7/5![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/147:57 am
BOI
- PHX
1 stop7h 34m
Alaska Airlines
Mon 8/176:53 pm
PHX
- BOI
1 stop24h 32m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/3. 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.
Mon 7/2012:20 pm
BOI
- PHX
2 stops8h 20m
Southwest
Sat 7/258:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 7/3![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 7/1. 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.
Sun 11/228:30 pm
BOI
- PHX
1 stop4h 35m
Southwest
Fri 11/276:35 am
PHX
- BOI
1 stop5h 15m
Southwest
Deal found 7/1![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/316:23 am
BOI
- PHX
1 stop7h 38m
Alaska Airlines
Mon 8/34:00 pm
PHX
- BOI
1 stop7h 04m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/5. 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.
Fri 7/316:30 am
BOI
- PHX
2 stops6h 55m
Southwest
Mon 8/39:40 am
PHX
- BOI
1 stop5h 20m
Southwest
Deal found 7/5![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 7/5. 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 7/224:20 pm
BOI
- PHX
Nonstop2h 15m
Southwest
Fri 7/2410:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 7/5![Southwest logo]()
$337
Last-minute flights from Boise to PhoenixDiscover last-minute flight deals from Boise to Phoenix. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Phoenix. Data last updated July 6, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- PHX
1 stop21h 47m
Frontier
Wed 7/224:48 pm
PHX
- BOI
1 stop18h 41m
Frontier
Deal found 7/5![Frontier logo]()
$268
This Travelocity deal was found by Cheapflights users on 7/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Thu 8/66:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 7/3. 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 7/301:24 pm
BOI
- PHX
1 stop21h 47m
Multiple Airlines
Tue 8/44:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/88:00 pm
BOI
- PHX
1 stop4h 33m
Alaska Airlines
Mon 8/106:53 pm
PHX
- BOI
1 stop24h 32m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$263
This Expedia deal was found by Cheapflights users on 7/1. 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.
Sat 8/82:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sun 8/166:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$266
This Traveloka deal was found by Cheapflights users on 7/2. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Sun 8/235:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/187:57 am
BOI
- PHX
1 stop16h 36m
Alaska Airlines
Thu 8/205:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 7/1. 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 8/187:05 am
BOI
- PHX
Nonstop2h 05m
Southwest
Thu 8/208:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 7/1![Southwest logo]()
$270
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/218:01 am
BOI
- PHX
Nonstop2h 22m
American Airlines
Sun 8/2310:09 am
PHX
- BOI
Nonstop2h 15m
American Airlines
Deal found 7/2![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:12 am
BOI
- PHX
1 stop5h 52m
Delta
Sun 8/307:20 pm
PHX
- BOI
1 stop3h 39m
Delta
Deal found 7/3![Delta logo]()
$267
This Orbitz deal was found by Cheapflights users on 7/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:24 pm
BOI
- PHX
1 stop12h 15m
Multiple Airlines
Sat 9/57:00 am
PHX
- BOI
1 stop6h 02m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/303:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Wed 9/25:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$262
One-way flights from Boise to PhoenixSearch for one-way flight options from Boise to Phoenix. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from Boise to Phoenix. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Fri 10/23:52 pm
BOI
- PHX
1 stop19h 57m
Frontier
Deal found 7/1![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 8/305:18 pm
BOI
- PHX
1 stop23h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Mon 10/53:52 pm
BOI
- PHX
1 stop19h 57m
Frontier
Deal found 7/5![Frontier logo]()
$112
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$119
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:59 pm
BOI
- PHX
1 stop5h 41m
Frontier
Deal found 7/1![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 9/273:38 pm
BOI
- PHX
1 stop25h 13m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$122
This Priceline deal was found by Cheapflights users on 7/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:52 pm
BOI
- PHX
1 stop6h 43m
Frontier
Deal found 7/5![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/2. 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.
Tue 8/41:24 pm
BOI
- PHX
1 stop11h 08m
Frontier
Deal found 7/2![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/275:18 pm
BOI
- PHX
1 stop23h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$127
Find flight deals from Boise to Phoenix
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Phoenix (PH1). 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 July 6, 2026.
Round-trip from | $257 (American Airlines) |
|---|---|
One-way from | $87 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $347 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Phoenix 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 July 6, 2026.
Use the filters below to find and compare flights from Boise to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 10/22
5:03 pm-6:19 pm
Nonstop2h 16m
Phoenix Sky Harbor Intl
Mon 10/26
9:05 am-12:18 pm
Nonstop2h 13m
$257
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Tue 8/18
7:57 am-11:33 pm
1 stop16h 36m
Phoenix Sky Harbor Intl
Thu 8/20
5:30 pm-8:42 pm
Nonstop2h 12m
$260
Quickest round-trip
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Tue 8/18
7:05 am-8:10 am
Nonstop2h 05m
Phoenix Sky Harbor Intl
Thu 8/20
8:55 pm-11:55 pm
Nonstop2h 00m
$270
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Tue 10/20
7:10 am-8:21 am
Nonstop2h 11m
Phoenix Sky Harbor Intl
Wed 10/21
4:13 pm-11:58 pm
1 stop6h 45m
$272
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 8/14
7:57 am-2:31 pm
1 stop7h 34m
Phoenix Sky Harbor Intl
Mon 8/17
6:53 pm-8:25 pm
1 stop24h 32m
$285
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 7/31
6:23 am-1:01 pm
1 stop7h 38m
Phoenix Sky Harbor Intl
Mon 8/3
4:00 pm-12:04 am
1 stop7h 04m
$307
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 9/4
2:45 pm-8:25 pm
1 stop6h 40m
Phoenix Sky Harbor Intl
Mon 9/7
11:20 am-7:10 pm
2 stops6h 50m
$317
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Mon 7/20
12:20 pm-7:40 pm
2 stops8h 20m
Phoenix Sky Harbor Intl
Sat 7/25
8:55 pm-11:55 pm
Nonstop2h 00m
$327
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sun 11/22
8:30 pm-1:05 am
1 stop4h 35m
Phoenix Sky Harbor Intl
Fri 11/27
6:35 am-11:50 am
1 stop5h 15m
$327
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 7/31
6:30 am-12:25 pm
2 stops6h 55m
Phoenix Sky Harbor Intl
Mon 8/3
9:40 am-4:00 pm
1 stop5h 20m
$332
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Boise to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Boise with our price prediction graph.
BOI-PH1
BOI-PHX
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 Boise to Phoenix
BOI-PH1
BOI-PHX
What is the cheapest month to book a flight from Boise to Phoenix?
Currently, December is the cheapest month in which you can book a flight from Boise to Phoenix (average of $73). Flying from Boise to Phoenix in June is currently the most expensive (average of $202). 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 BOI to PHX?
Find hourly flight availability from Boise to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 6, 2026.
When flying from Boise to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the morning.
Weekly flight availability from Boise to Phoenix
Explore weekly flight availability from Boise to Phoenix. 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 July 6, 2026.
The most flights from BOI to PH1 are scheduled on a Sunday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Boise to Phoenix?
How far ahead should I book a flight from Boise to Phoenix?
To ensure you get the cheapest price possible for a flight from Boise to Phoenix, you should look to book at least 90 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.
Reviews of airlines servicing Phoenix
Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated July 6, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Boise to Phoenix have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Boise to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boise to Phoenix
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Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Phoenix by cabin class
Find flights from Boise to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Phoenix flights
Browse other Boise and Phoenix flight options. Last updated on July 6, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Boise to Phoenix
Discover the top 7 airlines that operate flights from Boise to Phoenix. 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$82 | Average$130 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$98 | Average$240 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$303 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$163 | Average$320 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$270 | FlexibilityNo cancel fee | On-time69% |