$57+ Cheap flights from Phoenix 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix 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 to Boise Air Term. Gowen Fld are usually found in January or October, booked 86 days in advance, depart on a Friday or Wednesday and return on a Wednesday
Cheap flight deals from Phoenix to Boise
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Cheapest flights from Phoenix to BoiseExplore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Southwest deal was found by Cheapflights users on 8/23. 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 10/158:10 am -
1 stop4h 10m
Sat 10/245:30 am -
Nonstop2h 00m
Deal found 8/23![Southwest logo]()
$213
This Expedia deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
1 stop4h 55m
Sat 9/195:42 pm -
Nonstop2h 13m
Deal found 8/20![Multiple Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 am -
1 stop5h 31m
Sat 9/194:00 pm -
1 stop6h 25m
Deal found 8/18![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:56 pm -
2 stops15h 59m
Fri 9/182:50 pm -
1 stop8h 57m
Deal found 8/18![Frontier logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:05 am -
Nonstop2h 13m
Mon 10/197:20 am -
1 stop27h 06m
Deal found 8/22![Alaska Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 am -
1 stop4h 05m
Wed 9/233:30 pm -
2 stops6h 30m
Deal found 8/19![Southwest logo]()
$222
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:37 pm -
Nonstop2h 08m
Sun 9/202:50 pm -
1 stop8h 57m
Deal found 8/18![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:24 pm -
1 stop17h 31m
Mon 9/142:50 pm -
2 stops30h 44m
Deal found 8/21![Frontier logo]()
$224
This Booking.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:28 pm -
Nonstop2h 15m
Sun 10/182:30 pm -
Nonstop2h 16m
Deal found 8/19![Alaska Airlines logo]()
$225
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
1 stop4h 55m
Thu 9/245:42 pm -
Nonstop2h 13m
Deal found 8/18![Multiple Airlines logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:37 pm -
Nonstop2h 08m
Sat 9/194:20 pm -
1 stop6h 40m
Deal found 8/18![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:10 am -
1 stop4h 10m
Fri 10/166:50 pm -
1 stop4h 20m
Deal found 8/22![Southwest logo]()
$228
Best flights from Phoenix to BoiseDiscover carefully curated flight deals from Phoenix to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Phoenix to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:37 pm -
Nonstop2h 08m
Sun 9/206:00 am -
1 stop4h 51m
Deal found 8/20![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:45 am -
1 stop3h 32m
Sat 9/194:00 pm -
1 stop6h 25m
Deal found 8/19![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:10 am -
1 stop4h 10m
Fri 10/3012:45 pm -
2 stops6h 25m
Deal found 8/22![Southwest logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/54:08 pm -
Nonstop2h 20m
Sun 2/72:51 pm -
1 stop7h 35m
Deal found 8/21![Allegiant Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 10/309:31 am -
Nonstop2h 09m
Sun 11/12:49 pm -
2 stops8h 13m
Deal found 8/23![Multiple Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:37 pm -
Nonstop2h 08m
Mon 9/215:52 pm -
1 stop6h 52m
Deal found 8/18![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:45 am -
1 stop3h 32m
Mon 9/216:44 pm -
1 stop6h 12m
Deal found 8/18![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:13 pm -
1 stop7h 07m
Thu 9/175:42 pm -
Nonstop2h 13m
Deal found 8/18![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:00 pm -
1 stop5h 45m
Thu 9/179:05 am -
2 stops7h 55m
Deal found 8/18![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:37 pm -
Nonstop2h 08m
Fri 9/185:42 pm -
Nonstop2h 13m
Deal found 8/18![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:20 pm -
1 stop3h 34m
Wed 9/1611:12 am -
1 stop5h 58m
Deal found 8/18![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am -
1 stop5h 20m
Sun 9/136:00 am -
Nonstop2h 10m
Deal found 8/21![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/201:02 pm -
1 stop4h 49m
Wed 12/309:19 pm -
Nonstop2h 10m
Deal found 8/19![Allegiant Air logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 am -
1 stop5h 28m
Mon 9/284:56 pm -
2 stops40h 45m
Deal found 8/21![Multiple Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:30 am -
Nonstop2h 00m
Thu 9/104:55 pm -
Nonstop2h 15m
Deal found 8/22![Southwest logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:30 am -
1 stop5h 50m
Sat 11/283:05 pm -
Nonstop2h 07m
Deal found 8/19![Allegiant Air logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:20 am -
1 stop5h 28m
Thu 9/243:38 pm -
2 stops28h 54m
Deal found 8/18![Multiple Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 pm -
Nonstop2h 12m
Wed 9/96:49 pm -
1 stop4h 38m
Deal found 8/21![Alaska Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 am -
1 stop5h 28m
Sun 9/273:38 pm -
2 stops29h 54m
Deal found 8/21![Allegiant Air logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:30 am -
2 stops8h 28m
Mon 11/2311:51 am -
Nonstop2h 07m
Deal found 8/18![Multiple Airlines logo]()
$488
This Cheapflightsfares deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:00 am -
Nonstop2h 14m
Sat 12/268:05 pm -
Nonstop2h 10m
Deal found 8/21![Allegiant Air logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:30 am -
Nonstop2h 11m
Sun 11/2911:13 pm -
2 stops18h 58m
Deal found 8/18![Multiple Airlines logo]()
$504
Last-minute flights from Phoenix to BoiseDiscover last-minute flight deals from Phoenix to Boise. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Boise. Data last updated August 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:13 pm -
1 stop24h 49m
Sat 9/125:42 pm -
Nonstop2h 13m
Deal found 8/18![Alaska Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:56 pm -
2 stops15h 59m
Fri 9/182:50 pm -
1 stop8h 57m
Deal found 8/18![Frontier logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:37 pm -
Nonstop2h 08m
Sat 9/194:20 pm -
1 stop6h 40m
Deal found 8/18![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 am -
1 stop5h 31m
Sat 9/194:00 pm -
1 stop6h 25m
Deal found 8/18![Delta logo]()
$217
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:37 pm -
Nonstop2h 08m
Sun 9/202:50 pm -
1 stop8h 57m
Deal found 8/18![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:24 pm -
1 stop17h 31m
Mon 9/142:50 pm -
2 stops30h 44m
Deal found 8/21![Frontier logo]()
$224
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm -
2 stops6h 20m
Mon 9/287:30 am -
Nonstop2h 05m
Deal found 8/19![Southwest logo]()
$222
This Expedia deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
1 stop4h 55m
Sat 9/195:42 pm -
Nonstop2h 13m
Deal found 8/20![Multiple Airlines logo]()
$216
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:00 am -
1 stop4h 55m
Thu 9/245:42 pm -
Nonstop2h 13m
Deal found 8/18![Multiple Airlines logo]()
$226
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:37 pm -
Nonstop2h 08m
Mon 9/216:49 pm -
1 stop20h 44m
Deal found 8/21![Alaska Airlines logo]()
$220
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:37 pm -
Nonstop2h 08m
Sun 9/202:50 pm -
1 stop8h 57m
Deal found 8/18![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 am -
1 stop5h 28m
Sun 9/273:38 pm -
2 stops29h 54m
Deal found 8/21![Allegiant Air logo]()
$425
One-way flights from Phoenix to BoiseSearch for one-way flight options from Phoenix to Boise. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Phoenix to Boise. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:31 am -
Nonstop2h 09m
Deal found 8/21![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:39 pm -
1 stop16h 16m
Deal found 8/18![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:39 pm -
1 stop16h 16m
Deal found 8/20![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:34 pm -
1 stop20h 21m
Deal found 8/19![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:08 am -
1 stop4h 47m
Deal found 8/20![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:39 pm -
1 stop16h 16m
Deal found 8/22![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:39 pm -
1 stop16h 16m
Deal found 8/18![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:31 am -
Nonstop2h 09m
Deal found 8/18![Allegiant Air logo]()
$78
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:01 am -
Nonstop2h 09m
Deal found 8/19![Allegiant Air logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:31 am -
Nonstop2h 09m
Deal found 8/20![Allegiant Air logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:23 pm -
1 stop19h 32m
Deal found 8/20![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:23 pm -
1 stop19h 32m
Deal found 8/19![Frontier logo]()
$87
Find flight deals from Phoenix to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 August 23, 2026.
Round-trip from | $213 (Southwest) |
|---|---|
One-way from | $57 (CheapOair) |
Popular in | July |
Cheapest in | January |
Average price | $256 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Sat 9/12
7:37 pm-10:45 pm
Nonstop2h 08m
Boise Air Term. Gowen Fld
Sun 9/20
6:00 am-9:51 am
1 stop4h 51m
$217
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/18
5:45 am-10:17 am
1 stop3h 32m
Boise Air Term. Gowen Fld
Sat 9/19
4:00 pm-9:25 pm
1 stop6h 25m
$227
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Sun 9/13
7:37 pm-10:45 pm
Nonstop2h 08m
Boise Air Term. Gowen Fld
Mon 9/21
5:52 pm-11:44 pm
1 stop6h 52m
$227
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Wed 9/9
12:13 pm-8:20 pm
1 stop7h 07m
Boise Air Term. Gowen Fld
Thu 9/17
5:42 pm-6:55 pm
Nonstop2h 13m
$227
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/11
5:45 am-10:17 am
1 stop3h 32m
Boise Air Term. Gowen Fld
Mon 9/21
6:44 pm-11:56 pm
1 stop6h 12m
$237
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Wed 9/9
7:37 pm-10:45 pm
Nonstop2h 08m
Boise Air Term. Gowen Fld
Fri 9/18
5:42 pm-6:55 pm
Nonstop2h 13m
$237
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Mon 10/26
8:10 am-1:20 pm
1 stop4h 10m
Boise Air Term. Gowen Fld
Fri 10/30
12:45 pm-6:10 pm
2 stops6h 25m
$238
PhoenixBoise
AZA Phoenix-Mesa Gateway - BOI Boise Air Term. Gowen Fld
AZABOI
Phoenix-Mesa Gateway
Fri 2/5
4:08 pm-6:28 pm
Nonstop2h 20m
Boise Air Term. Gowen Fld
Sun 2/7
2:51 pm-10:26 pm
1 stop7h 35m
$246
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Thu 9/10
2:00 pm-8:45 pm
1 stop5h 45m
Boise Air Term. Gowen Fld
Thu 9/17
9:05 am-4:00 pm
2 stops7h 55m
$282
PhoenixBoise
PHX Phoenix Sky Harbor Intl - BOI Boise Air Term. Gowen Fld
PHXBOI
Phoenix Sky Harbor Intl
Fri 9/11
1:20 pm-5:54 pm
1 stop3h 34m
Boise Air Term. Gowen Fld
Wed 9/16
11:12 am-4:10 pm
1 stop5h 58m
$285
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Phoenix to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Phoenix with our price prediction graph.
PH1-BOI
PHX-BOI
AZA-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 to Boise
PH1-BOI
PHX-BOI
AZA-BOI
What is the cheapest month to book a flight from Phoenix to Boise?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Boise (average of $177). Flying from Phoenix to Boise in July is currently the most expensive (average of $354). 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 Phoenix 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 August 23, 2026.
One of the essential ways to save on airfare from Phoenix to Boise is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 41% on airfare.
Weekly flight availability from Phoenix to Boise
Explore weekly flight availability from Phoenix to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 23, 2026.
The most flights from PH1 to BOI are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Phoenix to Boise?
Airfare is below average for this route at the moment.
Phoenix to Boise flights typically cost between $227 and $365 in October.The cheapest round-trip price found within the last 5 days was $213 on Southwest (Oct 15-Oct 24).
How far ahead should I book a flight from Phoenix to Boise?
To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Phoenix to Boise?
Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boise. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Phoenix to Boise flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings 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 August 23, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Phoenix to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
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 Phoenix 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 locationsOntario
Meridian
Nampa
Caldwell
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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 August 23, 2026.
Complete your trip
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Phoenix and Boise flights
Browse other Phoenix and Boise flight options. Last updated on August 23, 2026.
Popular flight searches
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Top 5 airlines flying from Phoenix to Boise
Discover the top 5 airlines that operate flights from Phoenix 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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$209 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$99 | Average$257 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$299 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$176 | Average$324 | FlexibilityNo cancel fee | On-time71% |