$99+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Jul 22 — Jul 291
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 47 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Boise to Phoenix
Cheapest
Best
Last-minute
One-way
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 June 22, 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 June 22, 2026.
This CheapOair deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:10 am
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Mon 11/28:15 pm
PHX
- BOI
Nonstop2h 13m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$247
This Priceline deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:52 pm
BOI
- PHX
1 stop6h 43m
Multiple Airlines
Mon 11/98:15 pm
PHX
- BOI
Nonstop2h 13m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$249
This CheapOair deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- PHX
1 stop9h 04m
Frontier
Mon 7/138:40 am
PHX
- BOI
1 stop26h 49m
Frontier
Deal found 6/18![Frontier logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:49 pm
BOI
- PHX
1 stop4h 38m
Alaska Airlines
Tue 9/227:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:30 am
BOI
- PHX
2 stops7h 45m
Southwest
Tue 8/2510:35 am
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 6/17![Southwest logo]()
$252
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:24 pm
BOI
- PHX
1 stop11h 08m
Multiple Airlines
Tue 7/211:05 pm
PHX
- BOI
1 stop6h 20m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$253
This Priceline deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sun 8/26:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Mon 9/77:20 am
BOI
- PHX
1 stop16h 13m
Alaska Airlines
Tue 9/227:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:49 pm
BOI
- PHX
1 stop4h 38m
Alaska Airlines
Fri 9/187:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 11/55:00 am
BOI
- PHX
Nonstop2h 00m
Southwest
Mon 11/91:05 pm
PHX
- BOI
Nonstop2h 10m
Southwest
Deal found 6/21![Southwest logo]()
$257
This CheapOair deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Wed 7/84:48 pm
PHX
- BOI
1 stop18h 41m
Frontier
Deal found 6/17![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- PHX
1 stop11h 08m
Multiple Airlines
Sat 7/184:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$259
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 June 22, 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 June 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Mon 9/77:20 am
BOI
- PHX
1 stop16h 13m
Alaska Airlines
Tue 9/227:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 10/26:05 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Mon 10/510:40 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 6/21![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
BOI
- PHX
1 stop3h 50m
Delta
Tue 10/65:20 pm
PHX
- BOI
1 stop5h 44m
Delta
Deal found 6/21![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:03 pm
BOI
- PHX
Nonstop2h 16m
Alaska Airlines
Mon 10/269:05 am
PHX
- BOI
Nonstop2h 13m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:40 pm
BOI
- PHX
Nonstop2h 15m
Southwest
Wed 8/1210:35 am
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 6/19![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 pm
BOI
- PHX
1 stop6h 57m
Delta
Mon 10/265:20 pm
PHX
- BOI
1 stop5h 44m
Delta
Deal found 6/19![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 pm
BOI
- PHX
Nonstop2h 12m
Alaska Airlines
Wed 12/96:30 pm
PHX
- BOI
Nonstop2h 07m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:35 am
BOI
- PHX
2 stops8h 20m
Southwest
Sat 9/125:25 am
PHX
- BOI
1 stop5h 50m
Southwest
Deal found 6/20![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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 11/56:41 pm
BOI
- PHX
1 stop4h 45m
Alaska Airlines
Mon 11/93:56 pm
PHX
- BOI
1 stop21h 32m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 6/17![Alaska Airlines logo]()
$281
Last-minute flights from Boise to PhoenixDiscover last-minute flight deals from Boise to Phoenix. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Phoenix. Data last updated June 22, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sun 6/286:40 am
PHX
- BOI
1 stop4h 50m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$332
This Super.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:25 pm
BOI
- PHX
1 stop21h 56m
Frontier
Mon 7/64:48 pm
PHX
- BOI
1 stop18h 41m
Frontier
Deal found 6/19![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:25 pm
BOI
- PHX
1 stop8h 56m
Frontier
Sun 7/56:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Deal found 6/18![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:25 pm
BOI
- PHX
1 stop19h 20m
Frontier
Wed 7/111:21 am
PHX
- BOI
1 stop24h 09m
Frontier
Deal found 6/19![Frontier logo]()
$322
This Expedia deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Sun 7/56:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Deal found 6/18![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:25 pm
BOI
- PHX
1 stop21h 51m
Frontier
Mon 7/66:53 pm
PHX
- BOI
1 stop16h 36m
Frontier
Deal found 6/17![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:25 pm
BOI
- PHX
1 stop27h 23m
Multiple Airlines
Mon 7/64:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$309
This Priceline deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sun 7/56:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Tue 7/72:37 pm
PHX
- BOI
1 stop8h 27m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$311
This Expedia deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Sat 7/46:53 pm
PHX
- BOI
1 stop16h 36m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$315
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 June 22, 2026.
Search for one-way flight options from Boise to Phoenix. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:52 pm
BOI
- PHX
1 stop25h 58m
Frontier
Deal found 6/20![Frontier logo]()
$99
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” 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.
Sat 10/172:21 pm
BOI
- PHX
Nonstop2h 14m
American Airlines
Deal found 6/21![American Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 pm
BOI
- PHX
1 stop5h 41m
Frontier
Deal found 6/20![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:24 pm
BOI
- PHX
1 stop9h 04m
Frontier
Deal found 6/18![Frontier logo]()
$124
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:49 pm
BOI
- PHX
1 stop4h 38m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
BOI
- PHX
1 stop3h 59m
Delta
Deal found 6/19![Delta logo]()
$129
This CheapOair deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:00 pm
BOI
- PHX
1 stop4h 23m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$132
This Super.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:24 pm
BOI
- PHX
1 stop27h 19m
Frontier
Deal found 6/19![Frontier logo]()
$133
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$134
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 6/18![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:10 am
BOI
- PHX
1 stop5h 56m
Delta
Deal found 6/19![Delta logo]()
$139
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 June 22, 2026.
Round-trip from | $247 (Priceline) |
|---|---|
One-way from | $99 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $362 |
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 June 22, 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
Mon 9/7
7:20 am-10:33 pm
1 stop16h 13m
Phoenix Sky Harbor Intl
Tue 9/22
7:37 pm-10:45 pm
Nonstop2h 08m
$255
Quickest round-trip
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 10/2
6:05 pm-7:10 pm
Nonstop2h 05m
Phoenix Sky Harbor Intl
Mon 10/5
10:40 pm-1:45 am
Nonstop2h 05m
$257
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sat 9/19
6:00 am-8:50 am
1 stop3h 50m
Phoenix Sky Harbor Intl
Tue 10/6
5:20 pm-12:04 am
1 stop5h 44m
$257
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 8/11
3:40 pm-4:55 pm
Nonstop2h 15m
Phoenix Sky Harbor Intl
Wed 8/12
10:35 am-1:40 pm
Nonstop2h 05m
$267
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Tue 12/8
6:00 pm-8:12 pm
Nonstop2h 12m
Phoenix Sky Harbor Intl
Wed 12/9
6:30 pm-8:37 pm
Nonstop2h 07m
$267
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 11/5
6:41 pm-11:26 pm
1 stop4h 45m
Phoenix Sky Harbor Intl
Mon 11/9
3:56 pm-1:28 pm
1 stop21h 32m
$268
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sat 9/5
11:35 am-6:55 pm
2 stops8h 20m
Phoenix Sky Harbor Intl
Sat 9/12
5:25 am-12:15 pm
1 stop5h 50m
$272
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 10/22
5:45 pm-11:42 pm
1 stop6h 57m
Phoenix Sky Harbor Intl
Mon 10/26
5:20 pm-12:04 am
1 stop5h 44m
$277
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
$281
Showing 1-10 of 19 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 June 22, 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 June 22, 2026.
The most flights from BOI to PH1 are scheduled on a Thursday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 June 22, 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.
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
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 June 22, 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 June 22, 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 June 22, 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$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$267 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$160 | Average$313 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$270 | FlexibilityNo cancel fee | On-time69% |