$79+ Cheap flights from Boise (BOI) to Sky Harbor Intl (PHX)
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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Mar 24 — Mar 311
1 adult, Economy
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Find cheap flights from Boise to Sky Harbor Intl 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 Sky Harbor Intl are usually found in September or August, booked 68 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Boise to Sky Harbor Intl
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Best
Last-minute
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Cheapest flights from Boise to Sky Harbor IntlExplore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
Explore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:48 pm
BOI
- PHX
Nonstop2h 10m
Alaska Airlines
Wed 4/14:02 pm
PHX
- BOI
1 stop5h 55m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 2/21. 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.
Wed 4/86:40 am
BOI
- PHX
Nonstop2h 05m
Southwest
Sat 4/1111:05 am
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/21![Southwest logo]()
$173
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
- PHX
1 stop20h 43m
Multiple Airlines
Tue 4/216:00 am
PHX
- BOI
1 stop5h 22m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/2510:35 am
BOI
- PHX
1 stop5h 08m
Delta
Wed 4/112:55 pm
PHX
- BOI
1 stop7h 06m
Delta
Deal found 2/19![Delta logo]()
$177
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:14 pm
BOI
- PHX
Nonstop2h 11m
American Airlines
Wed 4/292:35 pm
PHX
- BOI
Nonstop2h 18m
American Airlines
Deal found 2/19![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
- PHX
1 stop9h 03m
Frontier
Wed 3/46:51 pm
PHX
- BOI
1 stop17h 00m
Frontier
Deal found 2/19![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:56 am
BOI
- PHX
1 stop20h 16m
Frontier
Sat 2/2810:51 pm
PHX
- BOI
1 stop12h 20m
Frontier
Deal found 2/19![Frontier logo]()
$185
This SmartFares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:48 pm
BOI
- PHX
Nonstop2h 10m
Hawaiian Airlines
Tue 3/318:40 pm
PHX
- BOI
Nonstop2h 18m
Hawaiian Airlines
Deal found 2/22![Hawaiian Airlines logo]()
$186
This Southwest deal was found by Cheapflights users on 2/19. 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.
Wed 4/154:05 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Mon 4/209:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/19![Southwest logo]()
$187
This Orbitz deal was found by Cheapflights users on 2/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:15 pm
BOI
- PHX
1 stop6h 31m
Multiple Airlines
Wed 4/12:54 pm
PHX
- BOI
Nonstop2h 12m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$188
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:48 pm
BOI
- PHX
Nonstop2h 10m
Alaska Airlines
Tue 3/318:40 pm
PHX
- BOI
Nonstop2h 18m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$192
Best flights from Boise to Sky Harbor IntlDiscover carefully curated flight deals from Boise to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
Discover carefully curated flight deals from Boise to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2026.
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
BOI
- PHX
1 stop3h 29m
Delta
Wed 4/296:30 am
PHX
- BOI
1 stop5h 42m
Delta
Deal found 2/18![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/19. 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.
Fri 4/35:25 am
BOI
- PHX
Nonstop2h 10m
Southwest
Mon 4/610:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/19![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:25 pm
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Sat 5/26:00 am
PHX
- BOI
1 stop8h 33m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/244:40 pm
BOI
- PHX
1 stop8h 18m
Delta
Tue 3/316:15 am
PHX
- BOI
1 stop5h 50m
Delta
Deal found 2/19![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/19. 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.
Thu 4/305:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Sun 5/310:45 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/19![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 3/237:30 pm
BOI
- PHX
1 stop5h 28m
Delta
Tue 3/316:15 am
PHX
- BOI
1 stop5h 50m
Delta
Deal found 2/19![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:05 am
BOI
- PHX
2 stops7h 25m
Southwest
Mon 4/139:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/18![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:00 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Sat 3/1410:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/18![Southwest logo]()
$216
This Delta deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:34 am
BOI
- PHX
1 stop7h 03m
Delta
Sun 5/109:10 am
PHX
- BOI
1 stop6h 59m
Delta
Deal found 2/22![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:16 pm
BOI
- PHX
1 stop6h 22m
Delta
Mon 4/203:50 pm
PHX
- BOI
1 stop7h 27m
Delta
Deal found 2/18![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:55 pm
BOI
- PHX
1 stop5h 05m
Southwest
Sat 4/187:00 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/18![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 2/19. 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.
Fri 4/106:55 pm
BOI
- PHX
1 stop5h 05m
Southwest
Mon 4/139:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/19![Southwest logo]()
$226
Last-minute flights from Boise to Sky Harbor IntlDiscover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated February 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated February 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:56 am
BOI
- PHX
1 stop20h 16m
Frontier
Sat 2/2810:51 pm
PHX
- BOI
1 stop12h 20m
Frontier
Deal found 2/19![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:56 am
BOI
- PHX
1 stop20h 16m
Frontier
Tue 3/311:59 pm
PHX
- BOI
2 stops35h 52m
Frontier
Deal found 2/18![Frontier logo]()
$258
This Southwest deal was found by Cheapflights users on 2/21. 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.
Sat 2/283:00 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Sat 3/1410:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/21![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:00 am
BOI
- PHX
1 stop4h 56m
United Airlines
Sat 3/143:35 pm
PHX
- BOI
1 stop5h 24m
United Airlines
Deal found 2/21![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 2/21. 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.
Sat 2/285:55 am
BOI
- PHX
Nonstop2h 15m
Southwest
Sat 3/711:50 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 2/21![Southwest logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
- PHX
1 stop20h 16m
Frontier
Wed 3/46:51 pm
PHX
- BOI
1 stop17h 00m
Frontier
Deal found 2/19![Frontier logo]()
$229
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:15 am
BOI
- PHX
Nonstop2h 22m
Alaska Airlines
Tue 3/174:02 pm
PHX
- BOI
Nonstop2h 15m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:15 am
BOI
- PHX
Nonstop2h 22m
Alaska Airlines
Fri 3/136:52 pm
PHX
- BOI
Nonstop2h 15m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$264
One-way flights from Boise to Sky Harbor IntlSearch for one-way flight options from Boise to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
Search for one-way flight options from Boise to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:26 pm
BOI
- PHX
Nonstop2h 15m
American Airlines
Deal found 2/18![American Airlines logo]()
$79
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:03 pm
BOI
- PHX
1 stop9h 11m
Frontier
Deal found 2/19![Frontier logo]()
$86
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:59 am
BOI
- PHX
1 stop6h 44m
Delta
Deal found 2/18![Delta logo]()
$89
This CheapOair deal was found by Cheapflights users on 2/18. 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 4/912:03 pm
BOI
- PHX
1 stop12h 49m
Frontier
Deal found 2/18![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:15 pm
BOI
- PHX
1 stop6h 31m
Frontier
Deal found 2/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/1911:53 am
BOI
- PHX
1 stop12h 54m
Frontier
Deal found 2/22![Frontier logo]()
$95
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:48 pm
BOI
- PHX
Nonstop2h 10m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$99
This Frontier deal was found by Cheapflights users on 2/20. 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.
Sun 5/1711:53 am
BOI
- PHX
1 stop6h 50m
Frontier
Deal found 2/20![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
- PHX
1 stop9h 03m
Frontier
Deal found 2/18![Frontier logo]()
$102
This Southwest deal was found by Cheapflights users on 2/19. 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 4/2110:05 am
BOI
- PHX
2 stops7h 25m
Southwest
Deal found 2/19![Southwest logo]()
$104
This Frontier deal was found by Cheapflights users on 2/20. 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.
Thu 4/1611:53 am
BOI
- PHX
1 stop9h 17m
Frontier
Deal found 2/20![Frontier logo]()
$107
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:44 pm
BOI
- PHX
1 stop7h 07m
Delta
Deal found 2/20![Delta logo]()
$109
Find flight deals from Boise to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sky Harbor Intl (PHX). 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 February 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Alaska Airlines) |
One-way from | $79 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $306 |
Good round-trip deal | $289 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Sky Harbor Intl 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 February 22, 2026.
Use the filters below to find and compare flights from Boise to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Boise
Fly to
Sky Harbor Intl
Route
Depart
Return
Price
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sat 4/25
6:00 am-8:29 am
1 stop3h 29m
Phoenix Sky Harbor Intl
Wed 4/29
6:30 am-1:12 pm
1 stop5h 42m
$177
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Tue 3/24
4:40 pm-11:58 pm
1 stop8h 18m
Phoenix Sky Harbor Intl
Tue 3/31
6:15 am-1:05 pm
1 stop5h 50m
$177
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 4/3
5:25 am-6:35 am
Nonstop2h 10m
Phoenix Sky Harbor Intl
Mon 4/6
10:50 pm-1:55 am
Nonstop2h 05m
$197
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 4/30
5:30 am-6:35 am
Nonstop2h 05m
Phoenix Sky Harbor Intl
Sun 5/3
10:45 pm-1:50 am
Nonstop2h 05m
$197
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Mon 3/23
7:30 pm-11:58 pm
1 stop5h 28m
Phoenix Sky Harbor Intl
Tue 3/31
6:15 am-1:05 pm
1 stop5h 50m
$197
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Wed 4/8
10:05 am-4:30 pm
2 stops7h 25m
Phoenix Sky Harbor Intl
Mon 4/13
9:55 pm-1:00 am
Nonstop2h 05m
$212
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sat 3/7
3:00 pm-5:05 pm
Nonstop2h 05m
Phoenix Sky Harbor Intl
Sat 3/14
10:50 pm-1:55 am
Nonstop2h 05m
$216
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 5/8
10:34 am-4:37 pm
1 stop7h 03m
Phoenix Sky Harbor Intl
Sun 5/10
9:10 am-5:09 pm
1 stop6h 59m
$217
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 4/16
6:16 pm-11:38 pm
1 stop6h 22m
Phoenix Sky Harbor Intl
Mon 4/20
3:50 pm-12:17 am
1 stop7h 27m
$217
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 5/1
1:25 pm-2:36 pm
Nonstop2h 11m
Phoenix Sky Harbor Intl
Sat 5/2
6:00 am-3:33 pm
1 stop8h 33m
$222
Showing 1-10 of 24 results
Compare providers for flights from Boise to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Sky Harbor Intl in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Boise with our price prediction graph.
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 Sky Harbor Intl Airport
Prices
Airlines
How far ahead should I book a flight from Boise to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Boise to Sky Harbor Intl. Price data was last updated on February 20, 2026.
The price you pay for your flight from Boise to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boise to Phoenix Sky Harbor Intl Airport?
Currently, June is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $107). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $176). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2026.
When flying from Boise to Phoenix Sky Harbor Intl Airport, 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 26% versus a flight in the evening.
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated February 22, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Boise to Phoenix Sky Harbor Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Boise to Sky Harbor Intl. 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 Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGoodyear
Glendale
Paradise Valley
Casa Grande
Globe
Payson
Camp Verde
Peoria
Chandler
Surprise
Buckeye
Guadalupe
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Complete your trip to Sky Harbor Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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Boise and Sky Harbor Intl flights
Browse other Boise and Sky Harbor Intl flight options. Last updated on February 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 February 22, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 22, 2026.
Top 7 airlines flying from Boise to Sky Harbor Intl
Discover the top 7 airlines that operate flights from Boise to Sky Harbor Intl. 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 February 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$241 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$88 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$235 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$297 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$266 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$287 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$269 | FlexibilityNo cancel fee | On-time69% |