$109+ Cheap flights from Boise (BOI) to Sky Harbor Intl (PHX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Sky Harbor Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl are usually found in September or July, booked 84 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from Boise to Sky Harbor Intl
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Best
Last-minute
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Cheapest flights from Boise to Sky Harbor IntlExplore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
Explore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
This CheapOair deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Wed 7/154:56 pm
PHX
- BOI
Nonstop2h 14m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 5/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:42 pm
BOI
- PHX
Nonstop2h 08m
American Airlines
Wed 9/168:20 pm
PHX
- BOI
Nonstop2h 12m
American Airlines
Deal found 5/20![American Airlines logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
Wed 10/287:10 am
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Mon 11/29:53 am
PHX
- BOI
Nonstop2h 16m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$247
This Expedia deal was found by Cheapflights users on 5/24. 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 7/91:24 pm
BOI
- PHX
1 stop9h 04m
Multiple Airlines
Wed 7/154:56 pm
PHX
- BOI
Nonstop2h 14m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$253
This CheapOair deal was found by Cheapflights users on 5/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:03 pm
BOI
- PHX
Nonstop2h 16m
Alaska Airlines
Mon 10/269:05 am
PHX
- BOI
Nonstop2h 13m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:21 pm
BOI
- PHX
Nonstop2h 14m
American Airlines
Mon 11/29:20 pm
PHX
- BOI
Nonstop2h 17m
American Airlines
Deal found 5/24![American Airlines logo]()
$261
This CheapOair deal was found by Cheapflights users on 5/24. 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.
Sat 10/107:10 am
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Mon 10/127:01 pm
PHX
- BOI
Nonstop2h 17m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:36 pm
BOI
- PHX
Nonstop2h 07m
American Airlines
Tue 7/211:44 pm
PHX
- BOI
Nonstop2h 05m
American Airlines
Deal found 5/22![American Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
BOI
- PHX
1 stop5h 35m
Delta
Sun 8/306:00 am
PHX
- BOI
1 stop5h 10m
Delta
Deal found 5/20![Delta logo]()
$267
This CheapOair deal was found by Cheapflights users on 5/20. 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.
Tue 8/41:25 pm
BOI
- PHX
1 stop24h 52m
Frontier
Sat 8/86:53 pm
PHX
- BOI
1 stop16h 36m
Frontier
Deal found 5/20![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 8/93:14 pm
BOI
- PHX
1 stop25h 39m
Multiple Airlines
Wed 8/124:48 pm
PHX
- BOI
1 stop18h 41m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
Wed 8/263:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Sun 8/305:30 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$271
Best flights from Boise to Sky Harbor IntlDiscover carefully curated flight deals from Boise to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Boise to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This Southwest deal was found by Cheapflights users on 5/22. 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 6/265:10 am
BOI
- PHX
Nonstop2h 05m
Southwest
Mon 6/2910:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/22![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 5/24. 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 6/196:42 pm
BOI
- PHX
1 stop5h 54m
Delta
Mon 6/227:20 pm
PHX
- BOI
1 stop3h 49m
Delta
Deal found 5/24![Delta logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 6/122:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Mon 6/152:37 pm
PHX
- BOI
1 stop8h 27m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 5/23. 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.
Wed 8/1211:30 am
BOI
- PHX
2 stops7h 45m
Southwest
Sun 8/165:05 pm
PHX
- BOI
1 stop5h 00m
Southwest
Deal found 5/23![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 5/19. 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.
Fri 6/195:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Sun 6/217:05 pm
PHX
- BOI
1 stop5h 15m
Southwest
Deal found 5/19![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 5/19. 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.
Thu 6/185:10 am
BOI
- PHX
Nonstop2h 05m
Southwest
Sat 6/207:50 am
PHX
- BOI
Nonstop2h 05m
Southwest
Deal found 5/19![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 5/22. 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 8/147:00 am
BOI
- PHX
2 stops6h 50m
Southwest
Mon 8/1710:10 am
PHX
- BOI
1 stop4h 05m
Southwest
Deal found 5/22![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 5/19. 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.
Sun 6/77:50 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Wed 6/105:00 am
PHX
- BOI
1 stop6h 30m
Southwest
Deal found 5/19![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 5/23. 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 6/253:25 pm
BOI
- PHX
2 stops6h 35m
Southwest
Mon 6/296:15 pm
PHX
- BOI
1 stop5h 05m
Southwest
Deal found 5/23![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 5/23. 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 7/1612:20 pm
BOI
- PHX
2 stops8h 20m
Southwest
Fri 7/176:15 pm
PHX
- BOI
1 stop5h 10m
Southwest
Deal found 5/23![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 6/263:25 pm
BOI
- PHX
2 stops6h 35m
Southwest
Sun 6/288:40 am
PHX
- BOI
1 stop9h 30m
Southwest
Deal found 5/21![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 5/22. 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 6/45:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Mon 6/810:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/22![Southwest logo]()
$363
Last-minute flights from Boise to Sky Harbor IntlDiscover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sky Harbor Intl. Data last updated May 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:45 am
BOI
- PHX
1 stop4h 24m
Delta
Fri 5/295:16 pm
PHX
- BOI
1 stop5h 48m
Delta
Deal found 5/20![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 5/21. 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.
Thu 5/281:20 pm
BOI
- PHX
1 stop8h 30m
Southwest
Thu 6/2510:45 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/21![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:15 pm
BOI
- PHX
1 stop5h 59m
Delta
Wed 6/171:20 pm
PHX
- BOI
1 stop3h 32m
Delta
Deal found 5/20![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/132:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Wed 6/171:05 pm
PHX
- BOI
1 stop6h 20m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 6/155:55 pm
BOI
- PHX
Nonstop2h 10m
Southwest
Wed 6/179:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/21![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 5/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:30 am
BOI
- PHX
Nonstop2h 05m
Southwest
Wed 6/249:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/20![Southwest logo]()
$267
This CheapOair deal was found by Cheapflights users on 5/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Sat 6/206:53 pm
PHX
- BOI
1 stop16h 37m
Frontier
Deal found 5/23![Frontier logo]()
$278
This Expedia deal was found by Cheapflights users on 5/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:25 pm
BOI
- PHX
1 stop8h 56m
Frontier
Thu 6/256:40 am
PHX
- BOI
1 stop4h 50m
Frontier
Deal found 5/21![Frontier logo]()
$294
This Delta deal was found by Cheapflights users on 5/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:11 pm
BOI
- PHX
1 stop6h 00m
Delta
Tue 6/303:59 pm
PHX
- BOI
1 stop6h 05m
Delta
Deal found 5/22![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:15 pm
BOI
- PHX
1 stop5h 59m
Delta
Tue 6/309:45 am
PHX
- BOI
1 stop6h 07m
Delta
Deal found 5/21![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 5/24. 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 6/232:05 pm
BOI
- PHX
2 stops6h 20m
Southwest
Tue 6/309:30 pm
PHX
- BOI
Nonstop2h 00m
Southwest
Deal found 5/24![Southwest logo]()
$272
One-way flights from Boise to Sky Harbor IntlSearch for one-way flight options from Boise to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Boise to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 7/152:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 8/193:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$119
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Thu 8/203:30 pm
BOI
- PHX
Nonstop2h 18m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sat 6/272:22 pm
BOI
- PHX
1 stop26h 26m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
Tue 6/162:55 pm
BOI
- PHX
Nonstop2h 19m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$134
This Frontier deal was found by Cheapflights users on 5/24. 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.
Tue 6/161:25 pm
BOI
- PHX
1 stop11h 04m
Frontier
Deal found 5/24![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:11 am
BOI
- PHX
Nonstop2h 18m
American Airlines
Deal found 5/24![American Airlines logo]()
$136
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:11 am
BOI
- PHX
Nonstop2h 18m
American Airlines
Deal found 5/24![American Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:59 am
BOI
- PHX
1 stop5h 14m
Delta
Deal found 5/20![Delta logo]()
$139
This Frontier deal was found by Cheapflights users on 5/24. 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 6/181:25 pm
BOI
- PHX
1 stop8h 56m
Frontier
Deal found 5/24![Frontier logo]()
$140
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:05 pm
BOI
- PHX
1 stop5h 38m
United Airlines
Deal found 5/19![United Airlines logo]()
$144
Find flight deals from Boise to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (CheapOair) |
One-way from | $109 (Alaska Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $321 |
Good round-trip deal | $324 or less |
Good one-way deal | $169 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 24, 2026.
Use the filters below to find and compare flights from Boise to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 6/26
5:10 am-6:15 am
Nonstop2h 05m
Phoenix Sky Harbor Intl
Mon 6/29
10:45 pm-1:45 am
Nonstop2h 00m
$305
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Wed 8/12
11:30 am-6:15 pm
2 stops7h 45m
Phoenix Sky Harbor Intl
Sun 8/16
5:05 pm-11:05 pm
1 stop5h 00m
$311
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 6/19
5:55 pm-7:05 pm
Nonstop2h 10m
Phoenix Sky Harbor Intl
Sun 6/21
7:05 pm-1:20 am
1 stop5h 15m
$315
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 6/18
5:10 am-6:15 am
Nonstop2h 05m
Phoenix Sky Harbor Intl
Sat 6/20
7:50 am-10:55 am
Nonstop2h 05m
$315
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 6/19
6:42 pm-11:36 pm
1 stop5h 54m
Phoenix Sky Harbor Intl
Mon 6/22
7:20 pm-12:09 am
1 stop3h 49m
$325
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 8/14
7:00 am-12:50 pm
2 stops6h 50m
Phoenix Sky Harbor Intl
Mon 8/17
10:10 am-3:15 pm
1 stop4h 05m
$330
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Sun 6/7
7:50 pm-8:55 pm
Nonstop2h 05m
Phoenix Sky Harbor Intl
Wed 6/10
5:00 am-12:30 pm
1 stop6h 30m
$330
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 6/25
3:25 pm-9:00 pm
2 stops6h 35m
Phoenix Sky Harbor Intl
Mon 6/29
6:15 pm-12:20 am
1 stop5h 05m
$340
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Thu 7/16
12:20 pm-7:40 pm
2 stops8h 20m
Phoenix Sky Harbor Intl
Fri 7/17
6:15 pm-12:25 am
1 stop5h 10m
$340
BoisePhoenix
BOI - PHX
BOIPHX
Boise Air Term. Gowen Fld
Fri 6/26
3:25 pm-9:00 pm
2 stops6h 35m
Phoenix Sky Harbor Intl
Sun 6/28
8:40 am-7:10 pm
1 stop9h 30m
$346
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Boise to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Sky Harbor Intl in May.
| 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*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Boise with our price prediction graph.
BOI-PHX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Phoenix Sky Harbor Intl Airport
Prices
Airlines
How far ahead should I book a flight from Boise to Phoenix Sky Harbor Intl Airport?
The price you pay for your flight from Boise to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boise to Phoenix Sky Harbor Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $206). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOI to PHX?
Find hourly flight availability from Boise to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 24, 2026.
When flying from Boise to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the evening.
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated May 24, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from Boise to Phoenix Sky Harbor Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Boise to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGlendale
Goodyear
Paradise Valley
Buckeye
Peoria
Chandler
Payson
Casa Grande
Camp Verde
Globe
Surprise
Guadalupe
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Complete your trip to Sky Harbor Intl by adding a car rental and/or hotel reservation to your travel itinerary.
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Boise and Sky Harbor Intl flights
Browse other Boise and Sky Harbor Intl flight options. Last updated on May 24, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on May 24, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 24, 2026.
Top 6 airlines flying from Boise to Sky Harbor Intl
Discover the top 6 airlines that operate flights from Boise to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$91 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$157 | Average$301 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$274 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$302 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$270 | FlexibilityNo cancel fee | On-time69% |