$71+ Cheap flights from Sky Harbor Intl (PHX) to Boise (BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Aug 13 — Aug 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sky Harbor Intl to Boise 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 Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld are usually found in January or October, booked 59 days in advance, depart on a Friday or Saturday and return on a Wednesday
Cheap flight deals from Sky Harbor Intl to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to BoiseExplore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:29 pm
PHX
- BOI
1 stop8h 15m
Alaska Airlines
Mon 9/145:42 pm
BOI
- PHX
Nonstop2h 13m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$246
This Expedia deal was found by Cheapflights users on 7/10. 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 8/285:30 pm
PHX
- BOI
Nonstop2h 12m
Multiple Airlines
Sun 8/3012:24 pm
BOI
- PHX
1 stop22h 47m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$247
This Frontier deal was found by Cheapflights users on 7/9. 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 9/187:05 am
PHX
- BOI
1 stop6h 52m
Frontier
Sun 9/2012:59 pm
BOI
- PHX
1 stop11h 50m
Frontier
Deal found 7/9![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/36:53 pm
PHX
- BOI
1 stop16h 36m
Frontier
Tue 8/111:24 pm
BOI
- PHX
1 stop11h 03m
Frontier
Deal found 7/11![Frontier logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Tue 8/186:53 pm
PHX
- BOI
1 stop24h 27m
Alaska Airlines
Wed 8/263:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 7/10. 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 8/18:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Wed 8/511:30 am
BOI
- PHX
2 stops7h 45m
Southwest
Deal found 7/10![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 7/11. 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 9/810:35 am
PHX
- BOI
Nonstop2h 05m
Southwest
Sat 9/1211:35 am
BOI
- PHX
2 stops8h 20m
Southwest
Deal found 7/11![Southwest logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Tue 8/112:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Wed 8/59:58 pm
PHX
- BOI
2 stops13h 31m
Frontier
Tue 8/111:24 pm
BOI
- PHX
1 stop11h 03m
Frontier
Deal found 7/11![Frontier logo]()
$254
This Delta deal was found by Cheapflights users on 7/10. 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 8/15:15 pm
PHX
- BOI
1 stop4h 26m
Delta
Wed 8/55:00 pm
BOI
- PHX
1 stop7h 00m
Delta
Deal found 7/10![Delta logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:37 pm
PHX
- BOI
Nonstop2h 08m
Alaska Airlines
Sun 9/204:20 pm
BOI
- PHX
1 stop8h 24m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 7/13. 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.
Thu 8/208:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Sun 8/236:00 am
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 7/13![Southwest logo]()
$257
Best flights from Sky Harbor Intl to BoiseDiscover carefully curated flight deals from Sky Harbor Intl to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 14, 2026.
This Delta deal was found by Cheapflights users on 7/10. 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.
Sun 8/25:05 pm
PHX
- BOI
1 stop6h 08m
Delta
Wed 8/511:12 am
BOI
- PHX
1 stop5h 52m
Delta
Deal found 7/10![Delta logo]()
$255
This Expedia deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Sun 7/261:24 pm
BOI
- PHX
1 stop19h 16m
Frontier
Deal found 7/8![Frontier logo]()
$258
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:20 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Tue 8/113:40 pm
BOI
- PHX
Nonstop2h 15m
Southwest
Deal found 7/11![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Mon 9/77:20 am
BOI
- PHX
1 stop16h 13m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 7/11. 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 8/157:35 am
PHX
- BOI
2 stops6h 10m
Southwest
Thu 8/209:05 am
BOI
- PHX
2 stops7h 55m
Southwest
Deal found 7/11![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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 8/273:15 pm
PHX
- BOI
2 stops6h 12m
Alaska Airlines
Sun 8/306:00 am
BOI
- PHX
1 stop4h 58m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Sat 9/125:42 pm
BOI
- PHX
Nonstop2h 13m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/8. 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 9/312:15 pm
PHX
- BOI
2 stops9h 35m
Southwest
Mon 9/1410:50 am
BOI
- PHX
2 stops8h 20m
Southwest
Deal found 7/8![Southwest logo]()
$327
Last-minute flights from Sky Harbor Intl to BoiseDiscover last-minute flight deals from Sky Harbor Intl to Boise. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Boise. Data last updated July 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Sun 7/261:24 pm
BOI
- PHX
1 stop19h 16m
Frontier
Deal found 7/8![Frontier logo]()
$258
This Southwest deal was found by Cheapflights users on 7/10. 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 8/18:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Wed 8/511:30 am
BOI
- PHX
2 stops7h 45m
Southwest
Deal found 7/10![Southwest logo]()
$251
This Delta deal was found by Cheapflights users on 7/10. 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 8/15:15 pm
PHX
- BOI
1 stop4h 26m
Delta
Wed 8/55:00 pm
BOI
- PHX
1 stop7h 00m
Delta
Deal found 7/10![Delta logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/36:53 pm
PHX
- BOI
1 stop16h 36m
Frontier
Tue 8/111:24 pm
BOI
- PHX
1 stop11h 03m
Frontier
Deal found 7/11![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Wed 8/59:58 pm
PHX
- BOI
2 stops13h 31m
Frontier
Tue 8/111:24 pm
BOI
- PHX
1 stop11h 03m
Frontier
Deal found 7/11![Frontier logo]()
$254
This Super.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Sun 8/91:24 pm
BOI
- PHX
1 stop11h 03m
Frontier
Deal found 7/11![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:40 am
PHX
- BOI
1 stop4h 49m
Multiple Airlines
Tue 8/112:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 8/139:58 pm
PHX
- BOI
2 stops38h 26m
Multiple Airlines
Thu 8/2012:24 pm
BOI
- PHX
1 stop20h 16m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Tue 8/186:53 pm
PHX
- BOI
1 stop24h 27m
Alaska Airlines
Wed 8/263:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 8/205:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Sun 8/233:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 7/10. 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 8/285:30 pm
PHX
- BOI
Nonstop2h 12m
Multiple Airlines
Sun 8/3012:24 pm
BOI
- PHX
1 stop22h 47m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:29 pm
PHX
- BOI
1 stop8h 15m
Alaska Airlines
Mon 9/145:42 pm
BOI
- PHX
Nonstop2h 13m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$246
One-way flights from Sky Harbor Intl to BoiseSearch for one-way flight options from Sky Harbor Intl to Boise. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
Search for one-way flight options from Sky Harbor Intl to Boise. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 9/910:55 pm
PHX
- BOI
1 stop15h 02m
Frontier
Deal found 7/13![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 9/1010:55 pm
PHX
- BOI
1 stop15h 02m
Frontier
Deal found 7/9![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 10/810:40 pm
PHX
- BOI
1 stop15h 17m
Frontier
Deal found 7/13![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 10/75:55 pm
PHX
- BOI
1 stop20h 02m
Frontier
Deal found 7/13![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/176:53 pm
PHX
- BOI
1 stop16h 36m
Frontier
Deal found 7/10![Frontier logo]()
$89
This Southwest deal was found by Cheapflights users on 7/9. 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 8/208:55 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 7/9![Southwest logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sat 9/1210:55 pm
PHX
- BOI
1 stop15h 02m
Frontier
Deal found 7/13![Frontier logo]()
$98
Find flight deals from Sky Harbor Intl to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (Alaska Airlines) |
One-way from | $71 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $331 |
Good round-trip deal | $287 or less |
Good one-way deal | $143 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sun 8/2
5:05 pm-12:13 am
1 stop6h 08m
Boise Air Term. Gowen Fld
Wed 8/5
11:12 am-4:04 pm
1 stop5h 52m
$255
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 7/23
6:40 am-12:29 pm
1 stop4h 49m
Boise Air Term. Gowen Fld
Sun 7/26
1:24 pm-7:40 am
1 stop19h 16m
$258
Quickest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 8/4
8:20 pm-11:20 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
Tue 8/11
3:40 pm-4:55 pm
Nonstop2h 15m
$287
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 9/3
5:30 pm-8:42 pm
Nonstop2h 12m
Boise Air Term. Gowen Fld
Mon 9/7
7:20 am-10:33 pm
1 stop16h 13m
$291
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sat 8/15
7:35 am-2:45 pm
2 stops6h 10m
Boise Air Term. Gowen Fld
Thu 8/20
9:05 am-4:00 pm
2 stops7h 55m
$302
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 8/27
3:15 pm-10:27 pm
2 stops6h 12m
Boise Air Term. Gowen Fld
Sun 8/30
6:00 am-9:58 am
1 stop4h 58m
$318
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/4
5:30 pm-8:42 pm
Nonstop2h 12m
Boise Air Term. Gowen Fld
Sat 9/12
5:42 pm-6:55 pm
Nonstop2h 13m
$319
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 9/3
12:15 pm-10:50 pm
2 stops9h 35m
Boise Air Term. Gowen Fld
Mon 9/14
10:50 am-6:10 pm
2 stops8h 20m
$327
Cheapest one-way
Quickest one-way
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 8/11
8:20 pm-11:20 pm
Nonstop2h 00m
$93
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 8/6
4:56 pm-8:10 pm
Nonstop2h 14m
$93
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Boise
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 Sky Harbor Intl to Boise in July.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise 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 Phoenix Sky Harbor Intl Airport-Boise 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 Sky Harbor Intl to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Sky Harbor Intl with our price prediction graph.
PHX-BOI
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 Phoenix Sky Harbor Intl Airport to Boise
Prices
Airlines
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Boise?
The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 58 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 Phoenix Sky Harbor Intl Airport to Boise?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $177). Flying from Phoenix Sky Harbor Intl Airport to Boise in June is currently the most expensive (average of $351). 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 PHX to BOI?
Find hourly flight availability from Sky Harbor Intl to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2026.
One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Boise is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 11% on airfare.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Boise?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boise. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boise flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 14, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Phoenix Sky Harbor Intl Airport to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
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 Sky Harbor Intl to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsMeridian
Nampa
Caldwell
Ontario
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boise flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Sky Harbor Intl
Popular flights
Alternative routes for Sky Harbor Intl to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 14, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sky Harbor Intl to Boise by cabin class
Find flights from Sky Harbor Intl to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sky Harbor Intl and Boise flights
Browse other Sky Harbor Intl and Boise flight options. Last updated on July 14, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Sky Harbor Intl to Boise
Discover the top 5 airlines that operate flights from Sky Harbor Intl to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$249 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$207 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$147 | Average$286 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$151 | Average$278 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$168 | Average$316 | FlexibilityNo cancel fee | On-time71% |