$90+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jun 3 — Jun 101
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 88 days in advance, depart on a Tuesday or Thursday and return on a Thursday
Cheap flight deals from Phoenix to Boise
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Last-minute
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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 May 4, 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 May 4, 2026.
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:15 am
PHX
- BOI
1 stop6h 12m
Frontier
Sun 5/171:22 pm
BOI
- PHX
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 am
PHX
- BOI
1 stop6h 23m
Multiple Airlines
Mon 6/86:08 pm
BOI
- PHX
Nonstop2h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$209
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Tue 6/231:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/1![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
PHX
- BOI
Nonstop2h 12m
Multiple Airlines
Thu 6/41:33 pm
BOI
- PHX
1 stop19h 11m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$214
This Expedia deal was found by Cheapflights users on 5/3. 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 5/215:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Sun 5/241:25 pm
BOI
- PHX
1 stop19h 19m
Frontier
Deal found 5/3![Frontier logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/307:59 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Tue 6/26:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 am
PHX
- BOI
1 stop6h 15m
Multiple Airlines
Mon 6/16:12 pm
BOI
- PHX
1 stop6h 44m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$219
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 am
PHX
- BOI
1 stop6h 23m
Multiple Airlines
Sat 6/132:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$224
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Tue 6/21:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 4/29![Frontier logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/307:59 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Sun 5/316:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$227
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Sun 6/141:25 pm
BOI
- PHX
1 stop21h 56m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 6/26:00 am
PHX
- BOI
1 stop8h 34m
Alaska Airlines
Tue 6/26:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$231
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 May 4, 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 May 4, 2026.
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:04 pm
PHX
- BOI
1 stop4h 00m
Delta
Wed 6/312:55 pm
BOI
- PHX
1 stop4h 04m
Delta
Deal found 4/29![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 6/36:00 am
PHX
- BOI
1 stop8h 34m
Alaska Airlines
Sat 6/66:07 pm
BOI
- PHX
1 stop6h 52m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 5/3. 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 6/46:40 pm
PHX
- BOI
1 stop5h 30m
Southwest
Mon 6/83:25 pm
BOI
- PHX
2 stops6h 35m
Southwest
Deal found 5/3![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/289:00 am
AZA
- BOI
1 stop5h 10m
Allegiant Air
Thu 6/43:07 pm
BOI
- AZA
1 stop5h 17m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/66:05 am
AZA
- BOI
2 stops29h 33m
Multiple Airlines
Sun 6/143:07 pm
BOI
- AZA
1 stop8h 39m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:05 am
PHX
- BOI
1 stop4h 51m
Delta
Wed 5/276:00 pm
BOI
- PHX
1 stop6h 18m
Delta
Deal found 4/29![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 5/3. 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 6/46:40 pm
PHX
- BOI
1 stop5h 30m
Southwest
Wed 6/102:05 pm
BOI
- PHX
2 stops6h 20m
Southwest
Deal found 5/3![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/23:54 pm
PHX
- BOI
1 stop7h 04m
Alaska Airlines
Wed 6/36:07 pm
BOI
- PHX
1 stop6h 52m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 5/2. 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 7/35:18 pm
PHX
- BOI
1 stop5h 51m
Delta
Tue 7/76:42 pm
BOI
- PHX
1 stop5h 49m
Delta
Deal found 5/2![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:45 am
PHX
- BOI
1 stop4h 40m
Southwest
Fri 7/175:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Deal found 4/30![Southwest logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/319:00 am
AZA
- BOI
1 stop5h 10m
Allegiant Air
Thu 6/43:07 pm
BOI
- AZA
1 stop5h 17m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$348
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:05 pm
PHX
- BOI
1 stop6h 00m
Delta
Sun 7/191:05 pm
BOI
- PHX
1 stop3h 59m
Delta
Deal found 5/3![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:05 pm
PHX
- BOI
1 stop5h 15m
Southwest
Wed 6/102:05 pm
BOI
- PHX
2 stops6h 20m
Southwest
Deal found 5/1![Southwest logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:57 am
AZA
- BOI
2 stops28h 20m
Allegiant Air
Sun 6/213:07 pm
BOI
- AZA
1 stop8h 39m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/18:30 am
AZA
- BOI
2 stops27h 00m
Multiple Airlines
Thu 6/43:07 pm
BOI
- AZA
1 stop5h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/57:57 am
AZA
- BOI
2 stops28h 20m
Allegiant Air
Thu 6/113:07 pm
BOI
- AZA
1 stop8h 39m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/18:30 am
AZA
- BOI
2 stops27h 00m
Multiple Airlines
Sun 6/73:07 pm
BOI
- AZA
1 stop5h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$539
Last-minute flights from Phoenix to BoiseDiscover last-minute flight deals from Phoenix to Boise. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Boise. Data last updated May 4, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:15 am
PHX
- BOI
1 stop6h 12m
Frontier
Sun 5/171:22 pm
BOI
- PHX
1 stop11h 07m
Frontier
Deal found 5/1![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 5/3. 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 5/215:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Sun 5/241:25 pm
BOI
- PHX
1 stop19h 19m
Frontier
Deal found 5/3![Frontier logo]()
$215
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
PHX
- BOI
Nonstop2h 12m
Multiple Airlines
Thu 6/41:33 pm
BOI
- PHX
1 stop19h 11m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$214
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 am
PHX
- BOI
1 stop6h 15m
Multiple Airlines
Mon 6/16:12 pm
BOI
- PHX
1 stop6h 44m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/307:59 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Tue 6/26:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/307:59 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Sun 5/316:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$227
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Tue 6/21:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 4/29![Frontier logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 6/26:00 am
PHX
- BOI
1 stop8h 34m
Alaska Airlines
Tue 6/26:08 pm
BOI
- PHX
Nonstop2h 09m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$231
This Expedia deal was found by Cheapflights users on 5/3. 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 6/45:15 am
PHX
- BOI
1 stop6h 23m
Multiple Airlines
Mon 6/86:08 pm
BOI
- PHX
Nonstop2h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$209
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 am
PHX
- BOI
1 stop6h 23m
Multiple Airlines
Sat 6/132:55 pm
BOI
- PHX
Nonstop2h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$224
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Sun 6/141:25 pm
BOI
- PHX
1 stop21h 56m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Tue 6/231:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/1![Frontier logo]()
$210
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 May 4, 2026.
Search for one-way flight options from Phoenix to Boise. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Deal found 5/1![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 5/2. 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 5/278:25 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 5/2![Southwest logo]()
$109
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:40 am
PHX
- BOI
1 stop4h 49m
Frontier
Deal found 4/30![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:43 pm
PHX
- BOI
1 stop16h 44m
Frontier
Deal found 4/30![Frontier logo]()
$116
This Southwest deal was found by Cheapflights users on 5/4. 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 6/19:55 pm
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 5/4![Southwest logo]()
$119
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:00 am
PHX
- BOI
1 stop24h 27m
Frontier
Deal found 4/30![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/156:53 pm
PHX
- BOI
1 stop16h 37m
Frontier
Deal found 5/4![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:04 pm
PHX
- BOI
1 stop4h 00m
Delta
Deal found 4/30![Delta logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/312:10 pm
PHX
- BOI
1 stop24h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$131
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:15 am
PHX
- BOI
1 stop6h 15m
Frontier
Deal found 4/29![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/17:40 am
PHX
- BOI
2 stops27h 50m
Frontier
Deal found 5/4![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:15 pm
PHX
- BOI
1 stop4h 30m
Delta
Deal found 5/1![Delta logo]()
$139
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 May 4, 2026.
Round-trip from | $206 (Frontier) |
|---|---|
One-way from | $90 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $301 |
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 2,558,603 searches. Data last updated May 4, 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 - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 5/27
7:04 pm-12:04 am
1 stop4h 00m
Boise Air Term. Gowen Fld
Wed 6/3
12:55 pm-3:59 pm
1 stop4h 04m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 5/26
6:05 am-11:56 am
1 stop4h 51m
Boise Air Term. Gowen Fld
Wed 5/27
6:00 pm-11:18 pm
1 stop6h 18m
$237
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 6/3
6:00 am-3:34 pm
1 stop8h 34m
Boise Air Term. Gowen Fld
Sat 6/6
6:07 pm-11:59 pm
1 stop6h 52m
$257
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 6/4
6:40 pm-1:10 am
1 stop5h 30m
Boise Air Term. Gowen Fld
Mon 6/8
3:25 pm-9:00 pm
2 stops6h 35m
$262
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Thu 6/4
6:40 pm-1:10 am
1 stop5h 30m
Boise Air Term. Gowen Fld
Wed 6/10
2:05 pm-7:25 pm
2 stops6h 20m
$272
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 7/3
5:18 pm-12:09 am
1 stop5h 51m
Boise Air Term. Gowen Fld
Tue 7/7
6:42 pm-11:31 pm
1 stop5h 49m
$277
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Tue 6/2
3:54 pm-11:58 pm
1 stop7h 04m
Boise Air Term. Gowen Fld
Wed 6/3
6:07 pm-11:59 pm
1 stop6h 52m
$286
Quickest round-trip
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Fri 7/3
5:45 am-11:25 am
1 stop4h 40m
Boise Air Term. Gowen Fld
Fri 7/17
5:55 pm-7:05 pm
Nonstop2h 10m
$296
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Wed 7/15
5:05 pm-12:05 am
1 stop6h 00m
Boise Air Term. Gowen Fld
Sun 7/19
1:05 pm-4:04 pm
1 stop3h 59m
$296
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
Sun 6/7
7:05 pm-1:20 am
1 stop5h 15m
Boise Air Term. Gowen Fld
Wed 6/10
2:05 pm-7:25 pm
2 stops6h 20m
$311
Showing 1-10 of 35 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
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 86 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 month to book a flight from Phoenix to Boise?
Currently, August is the cheapest month in which you can book a flight from Phoenix to Boise (average of $78). Flying from Phoenix to Boise in May is currently the most expensive (average of $141). 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 May 4, 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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 40% on airfare.
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 May 2, 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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 May 4, 2026.
The most flights from PH1 to BOI are scheduled on a Sunday (9 on average). You will have fewer flight options on Tuesday, 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?
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 May 4, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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
McCall
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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 May 4, 2026.
Complete your trip
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Phoenix and Boise flights
Browse other Phoenix and Boise flight options. Last updated on May 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Phoenix to Boise
Discover the top 6 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 2,558,603 searches. Data last updated May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$187 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$82 | Average$132 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$124 | Average$198 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$243 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$262 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$285 | FlexibilityNo cancel fee | On-time71% |