$52+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Sep 16 — Sep 231
Round-trip
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 January or September, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Boise to Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
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 August 17, 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 August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop8h 57m
Wed 9/308:39 pm -
1 stop16h 16m
Deal found 8/17![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop9h 28m
Wed 10/219:20 pm -
1 stop15h 35m
Deal found 8/16![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 10/123:52 pm -
1 stop6h 43m
Wed 10/144:34 pm -
1 stop20h 21m
Deal found 8/12![Frontier logo]()
$150
This Expedia deal was found by Cheapflights users on 8/13. 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 10/12:50 pm -
1 stop22h 32m
Thu 10/82:49 pm -
1 stop22h 06m
Deal found 8/13![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/122:50 pm -
1 stop9h 28m
Thu 10/1512:25 pm -
2 stops24h 30m
Deal found 8/14![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/112:50 pm -
1 stop8h 57m
Wed 9/168:39 pm -
1 stop16h 16m
Deal found 8/13![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/242:50 pm -
1 stop8h 57m
Mon 9/288:00 am -
1 stop4h 55m
Deal found 8/15![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 8/13. 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 9/312:24 pm -
1 stop12h 15m
Thu 9/105:23 pm -
1 stop19h 32m
Deal found 8/13![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/282:50 pm -
1 stop22h 09m
Mon 10/57:22 am -
1 stop8h 25m
Deal found 8/14![Multiple Airlines logo]()
$171
This Frontier deal was found by Cheapflights users on 8/13. 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.
Fri 9/182:50 pm -
1 stop8h 57m
Mon 9/218:00 am -
1 stop4h 55m
Deal found 8/13![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/22:50 pm -
1 stop22h 09m
Mon 10/58:00 am -
1 stop4h 55m
Deal found 8/15![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/22:50 pm -
1 stop22h 09m
Wed 10/78:39 pm -
1 stop16h 16m
Deal found 8/13![Frontier logo]()
$181
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 August 17, 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 August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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 10/125:40 am -
Nonstop2h 00m
Thu 10/158:05 am -
Nonstop2h 15m
Deal found 8/12![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 10/127:37 pm -
1 stop14h 49m
Thu 10/152:41 pm -
1 stop8h 18m
Deal found 8/12![Alaska Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 8/13. 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 9/114:55 pm -
Nonstop2h 15m
Wed 9/168:20 pm -
Nonstop2h 05m
Deal found 8/13![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 8/12. 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 9/287:30 am -
Nonstop2h 05m
Mon 9/2811:20 am -
2 stops6h 50m
Deal found 8/12![Southwest logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/137:00 am -
Nonstop2h 11m
Tue 11/178:00 am -
1 stop11h 46m
Deal found 8/14![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/73:30 pm -
Nonstop2h 18m
Tue 9/227:37 pm -
Nonstop2h 08m
Deal found 8/13![Alaska Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 11/137:00 am -
Nonstop2h 11m
Mon 11/166:05 am -
1 stop6h 20m
Deal found 8/14![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 8/14. 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 11/134:40 pm -
1 stop6h 10m
Tue 11/178:30 am -
2 stops6h 20m
Deal found 8/14![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:45 pm -
2 stops6h 25m
Wed 10/216:45 am -
2 stops6h 00m
Deal found 8/16![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 11/126:43 pm -
1 stop24h 57m
Sun 11/157:23 am -
1 stop5h 34m
Deal found 8/16![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am -
2 stops7h 50m
Sun 11/158:45 am -
1 stop4h 50m
Deal found 8/16![Southwest logo]()
$302
Last-minute flights from Boise to Sky Harbor IntlDiscover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 9/11:24 pm -
1 stop11h 15m
Sat 9/56:57 pm -
1 stop15h 32m
Deal found 8/13![Frontier logo]()
$182
This CheapOair deal was found by Cheapflights users on 8/13. 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 9/312:24 pm -
1 stop12h 15m
Thu 9/105:23 pm -
1 stop19h 32m
Deal found 8/13![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/112:50 pm -
1 stop8h 57m
Wed 9/168:39 pm -
1 stop16h 16m
Deal found 8/13![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 8/13. 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.
Fri 9/182:50 pm -
1 stop8h 57m
Mon 9/218:00 am -
1 stop4h 55m
Deal found 8/13![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/242:50 pm -
1 stop8h 57m
Mon 9/288:00 am -
1 stop4h 55m
Deal found 8/15![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/242:50 pm -
1 stop8h 57m
Sun 9/277:24 pm -
1 stop17h 31m
Deal found 8/14![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/272:50 pm -
1 stop8h 57m
Mon 9/288:00 am -
1 stop4h 55m
Deal found 8/14![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop8h 57m
Wed 9/308:39 pm -
1 stop16h 16m
Deal found 8/17![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/282:50 pm -
1 stop22h 09m
Mon 10/57:22 am -
1 stop8h 25m
Deal found 8/14![Multiple Airlines logo]()
$171
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 August 17, 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 August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 11/163:52 pm -
1 stop19h 57m
Deal found 8/15![Frontier logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop8h 57m
Deal found 8/17![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:50 pm -
1 stop8h 57m
Deal found 8/17![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 8/13. 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 9/102:50 pm -
1 stop8h 57m
Deal found 8/13![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/112:50 pm -
1 stop8h 57m
Deal found 8/12![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:24 pm -
1 stop11h 15m
Deal found 8/16![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/22:50 pm -
1 stop22h 09m
Deal found 8/15![Frontier logo]()
$92
This Faresmojo deal was found by Cheapflights users on 8/12. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:20 pm -
1 stop5h 53m
Deal found 8/12![JetBlue logo]()
$95
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $141 (Kiwi.com) |
One-way from | $52 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $287 |
Good round-trip deal | $315 or less |
Good one-way deal | $168 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 August 17, 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
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 10/12
5:40 am-6:40 am
Nonstop2h 00m
Phoenix Sky Harbor Intl
Thu 10/15
8:05 am-11:20 am
Nonstop2h 15m
$203
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 9/11
4:55 pm-6:10 pm
Nonstop2h 15m
Phoenix Sky Harbor Intl
Wed 9/16
8:20 pm-11:25 pm
Nonstop2h 05m
$207
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 9/28
7:30 am-8:35 am
Nonstop2h 05m
Phoenix Sky Harbor Intl
Mon 9/28
11:20 am-7:10 pm
2 stops6h 50m
$218
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 10/12
7:37 pm-9:26 am
1 stop14h 49m
Phoenix Sky Harbor Intl
Thu 10/15
2:41 pm-11:59 pm
1 stop8h 18m
$268
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 11/13
7:00 am-9:11 am
Nonstop2h 11m
Phoenix Sky Harbor Intl
Tue 11/17
8:00 am-7:46 pm
1 stop11h 46m
$270
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 9/7
3:30 pm-4:48 pm
Nonstop2h 18m
Phoenix Sky Harbor Intl
Tue 9/22
7:37 pm-10:45 pm
Nonstop2h 08m
$279
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 11/13
7:00 am-9:11 am
Nonstop2h 11m
Phoenix Sky Harbor Intl
Mon 11/16
6:05 am-12:25 pm
1 stop6h 20m
$287
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 11/13
4:40 pm-10:50 pm
1 stop6h 10m
Phoenix Sky Harbor Intl
Tue 11/17
8:30 am-2:50 pm
2 stops6h 20m
$292
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 10/19
12:45 pm-6:10 pm
2 stops6h 25m
Phoenix Sky Harbor Intl
Wed 10/21
6:45 am-1:45 pm
2 stops6h 00m
$297
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 11/12
6:43 pm-7:40 pm
1 stop24h 57m
Phoenix Sky Harbor Intl
Sun 11/15
7:23 am-12:57 pm
1 stop5h 34m
$297
Showing 1-10 of 23 resultsSorted by cheapest first
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 August.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | 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?
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 90 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, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $254). Flying from Boise to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $380). 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 August 17, 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 16% 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 August 17, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 locationsGlendale
Buckeye
Goodyear
Payson
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
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Boise and Sky Harbor Intl flights
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Top 5 airlines flying from Boise to Sky Harbor Intl
Discover the top 5 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$240 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$143 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$302 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$167 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$325 | FlexibilityNo cancel fee | On-time71% |