$75+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Oct 1 — Oct 81
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 Saturday 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 September 1, 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 September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/92:50 pm -
1 stop9h 28m
Mon 10/128:16 am -
1 stop4h 39m
Deal found 8/27![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop9h 28m
Sun 11/158:30 am -
1 stop5h 24m
Deal found 9/1![Frontier logo]()
$210
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/296:30 am -
Nonstop2h 10m
Tue 10/610:04 am -
Nonstop2h 18m
Deal found 8/30![American Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:20 am -
1 stop8h 40m
Sat 10/319:05 am -
Nonstop2h 13m
Deal found 8/31![Alaska Airlines logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/197:37 pm -
1 stop20h 23m
Wed 10/219:05 am -
Nonstop2h 13m
Deal found 8/27![Alaska Airlines logo]()
$220
This Expedia deal was found by Cheapflights users on 8/27. 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.
Fri 9/182:50 pm -
1 stop22h 09m
Sun 9/205:23 pm -
1 stop19h 32m
Deal found 8/27![Frontier logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/197:37 pm -
1 stop26h 04m
Thu 10/227:38 am -
1 stop5h 09m
Deal found 8/28![Alaska Airlines logo]()
$223
This Priceline deal was found by Cheapflights users on 8/29. 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.
Thu 9/242:50 pm -
1 stop8h 57m
Sat 9/267:37 pm -
Nonstop2h 08m
Deal found 8/29![Multiple Airlines logo]()
$225
This Priceline deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
1 stop4h 43m
Tue 10/139:05 am -
Nonstop2h 13m
Deal found 9/1![Multiple Airlines logo]()
$228
This Priceline deal was found by Cheapflights users on 8/28. 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 11/24:55 pm -
Nonstop2h 09m
Thu 11/54:52 pm -
1 stop5h 39m
Deal found 8/28![Alaska Airlines logo]()
$230
This Priceline deal was found by Cheapflights users on 8/28. 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 10/162:50 pm -
1 stop4h 43m
Sat 10/247:38 am -
1 stop5h 09m
Deal found 8/28![Multiple Airlines logo]()
$231
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 September 1, 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 September 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/197:37 pm -
1 stop24h 05m
Wed 10/2110:12 am -
1 stop26h 35m
Deal found 8/29![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 8/28. 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 9/193:25 pm -
Nonstop2h 15m
Mon 9/218:55 pm -
Nonstop2h 00m
Deal found 8/28![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/15:42 pm -
Nonstop2h 13m
Sat 10/39:05 am -
Nonstop2h 13m
Deal found 8/29![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:10 am -
1 stop5h 40m
Sat 10/245:40 am -
2 stops6h 15m
Deal found 8/28![Southwest logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/167:37 pm -
1 stop20h 23m
Mon 10/197:25 pm -
1 stop17h 22m
Deal found 8/27![Alaska Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 8/28. 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
Mon 10/125:10 pm -
1 stop6h 55m
Deal found 8/28![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:03 am -
1 stop7h 57m
Mon 11/168:00 am -
1 stop5h 28m
Deal found 9/1![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:55 pm -
1 stop4h 00m
Tue 10/276:45 am -
2 stops6h 00m
Deal found 8/31![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 10/227:10 am -
Nonstop2h 11m
Mon 10/263:42 pm -
1 stop6h 09m
Deal found 8/30![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/15:42 pm -
Nonstop2h 13m
Mon 10/59:05 am -
Nonstop2h 13m
Deal found 8/27![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 8/28![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:37 pm -
1 stop4h 23m
Mon 10/264:28 pm -
Nonstop2h 15m
Deal found 9/1![Alaska Airlines logo]()
$267
Last-minute flights from Boise to Sky Harbor IntlDiscover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated September 1, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/27. 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.
Fri 9/182:50 pm -
1 stop22h 09m
Sun 9/205:23 pm -
1 stop19h 32m
Deal found 8/27![Frontier logo]()
$222
This Priceline deal was found by Cheapflights users on 8/29. 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.
Thu 9/242:50 pm -
1 stop8h 57m
Sat 9/267:37 pm -
Nonstop2h 08m
Deal found 8/29![Multiple Airlines logo]()
$225
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am -
Nonstop2h 10m
Tue 10/610:04 am -
Nonstop2h 18m
Deal found 9/1![American Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 9/291:31 pm -
1 stop5h 04m
Tue 10/67:25 pm -
1 stop17h 22m
Deal found 8/30![Alaska Airlines logo]()
$230
This Priceline deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
1 stop4h 43m
Tue 10/139:05 am -
Nonstop2h 13m
Deal found 9/1![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/92:50 pm -
1 stop9h 28m
Mon 10/128:16 am -
1 stop4h 39m
Deal found 8/27![Frontier logo]()
$171
This Priceline deal was found by Cheapflights users on 8/28. 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 10/162:50 pm -
1 stop4h 43m
Sat 10/247:38 am -
1 stop5h 09m
Deal found 8/28![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop9h 28m
Sun 11/158:30 am -
1 stop5h 24m
Deal found 9/1![Frontier logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/197:37 pm -
1 stop20h 23m
Wed 10/219:05 am -
Nonstop2h 13m
Deal found 8/27![Alaska Airlines logo]()
$220
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/197:37 pm -
1 stop26h 04m
Thu 10/227:38 am -
1 stop5h 09m
Deal found 8/28![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:20 am -
1 stop8h 40m
Sat 10/319:05 am -
Nonstop2h 13m
Deal found 8/31![Alaska Airlines logo]()
$219
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 September 1, 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 September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 stop22h 33m
Deal found 8/28![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/262:50 pm -
1 stop22h 40m
Deal found 8/27![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/292:49 pm -
1 stop27h 46m
Deal found 8/27![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Thu 10/222:50 pm -
1 stop9h 28m
Deal found 8/27![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 -
2 stops30h 44m
Deal found 8/28![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:50 pm -
1 stop22h 27m
Deal found 9/1![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/252:50 pm -
1 stop28h 43m
Deal found 8/27![Frontier logo]()
$108
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:10 am -
Nonstop2h 11m
Deal found 8/28![Alaska Airlines 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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (Kiwi.com) |
One-way from | $75 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $283 |
Good round-trip deal | $337 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 7,457,451 searches. Data last updated September 1, 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
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Mon 10/19
7:37 pm-6:42 pm
1 stop24h 05m
Phoenix Sky Harbor Intl
Wed 10/21
10:12 am-1:47 pm
1 stop26h 35m
$223
Quickest round-trip
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Sat 9/19
3:25 pm-4:40 pm
Nonstop2h 15m
Phoenix Sky Harbor Intl
Mon 9/21
8:55 pm-11:55 pm
Nonstop2h 00m
$227
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 10/1
5:42 pm-6:55 pm
Nonstop2h 13m
Phoenix Sky Harbor Intl
Sat 10/3
9:05 am-12:18 pm
Nonstop2h 13m
$227
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Fri 10/16
7:37 pm-3:00 pm
1 stop20h 23m
Phoenix Sky Harbor Intl
Mon 10/19
7:25 pm-1:47 pm
1 stop17h 22m
$240
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Sat 10/17
11:10 am-3:50 pm
1 stop5h 40m
Phoenix Sky Harbor Intl
Sat 10/24
5:40 am-12:55 pm
2 stops6h 15m
$242
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
Mon 10/12
5:10 pm-1:05 am
1 stop6h 55m
$247
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Wed 11/11
9:03 am-5:00 pm
1 stop7h 57m
Phoenix Sky Harbor Intl
Mon 11/16
8:00 am-1:28 pm
1 stop5h 28m
$247
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 10/22
7:10 am-8:21 am
Nonstop2h 11m
Phoenix Sky Harbor Intl
Mon 10/26
3:42 pm-10:51 pm
1 stop6h 09m
$247
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Sun 10/25
5:55 pm-8:55 pm
1 stop4h 00m
Phoenix Sky Harbor Intl
Tue 10/27
6:45 am-1:45 pm
2 stops6h 00m
$252
BoisePhoenix
BOI Boise Air Term. Gowen Fld - PHX Phoenix Sky Harbor Intl
BOIPHX
Boise Air Term. Gowen Fld
Thu 10/1
5:42 pm-6:55 pm
Nonstop2h 13m
Phoenix Sky Harbor Intl
Mon 10/5
9:05 am-12:18 pm
Nonstop2h 13m
$257
Showing 1-10 of 22 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 September.
| 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 September 1, 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 15% 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 September 1, 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.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
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
Payson
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
Guadalupe
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Boise to Sky Harbor Intl
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Boise and Sky Harbor Intl flights
Browse other Boise and Sky Harbor Intl flight options. Last updated on September 1, 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 September 1, 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 September 1, 2026.
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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$143 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$303 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$167 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$331 | FlexibilityNo cancel fee | On-time71% |