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Sky Harbor Intl

$68+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Jun 15 — Jun 221
Sun 6/15
Sun 6/22
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl are usually found in September or October, booked 89 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap 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 June 10, 2025.

Round-trip from

$157
(Hawaiian Airlines)

One-way from

$68
(Priceline)

Popular in

December

Cheapest in

September

Average price

$273

Good round-trip deal

$260 or less

Good one-way deal

$124 or less
From Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
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One-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 19% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Find flight deals from Boise to Sky Harbor Intl

Cheapest flights from Boise to Sky Harbor Intl
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 June 10, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/245:44 pmBOI - PHX
Nonstop2h 12mHawaiian Airlines
Sun 7/277:38 pmPHX - BOI
Nonstop2h 07mHawaiian Airlines
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:53 pmBOI - PHX
Nonstop2h 09mAmerican Airlines
Mon 9/810:04 amPHX - BOI
Nonstop2h 09mAmerican Airlines
Deal found 6/8$160
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:05 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Mon 9/87:59 pmPHX - BOI
Nonstop2h 08mAlaska Airlines
Deal found 6/10$161
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:10 pmBOI - PHX
1 stop5h 27mDelta
Mon 7/77:32 pmPHX - BOI
1 stop3h 37mDelta
Deal found 6/9$177
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:30 pmBOI - PHX
Nonstop2h 10mSouthwest
Sat 7/55:50 pmPHX - BOI
1 stop4h 55mSouthwest
Deal found 6/8$178
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1512:36 pmBOI - PHX
1 stop20h 51mFrontier
Sat 6/288:21 pmPHX - BOI
1 stop14h 26mFrontier
Deal found 6/8$246
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:36 pmBOI - PHX
1 stop7h 50mMultiple Airlines
Sun 6/2212:54 pmPHX - BOI
1 stop18h 54mMultiple Airlines
Deal found 6/9$344
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/234:40 pmBOI - PHX
1 stop4h 59mUnited Airlines
Tue 6/2410:32 amPHX - BOI
1 stop4h 27mUnited Airlines
Deal found 6/8$373
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:48 pmBOI - PHX
2 stops27h 46mSpirit Airlines
Thu 7/244:57 pmPHX - BOI
2 stops24h 55mSpirit Airlines
Deal found 6/10$392

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 June 10, 2025.
Use the filters below to find and compare flights from Boise to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Boise

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 7/24

5:44 pm-6:56 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Sun 7/27

7:38 pm-10:45 pm

Nonstop2h 07m

$157

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 9/4

1:53 pm-3:02 pm

Nonstop2h 09m

Phoenix Sky Harbor Intl

Mon 9/8

10:04 am-1:13 pm

Nonstop2h 09m

$160

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 9/4

6:05 pm-7:17 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Mon 9/8

7:59 pm-11:07 pm

Nonstop2h 08m

$161

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 6/30

6:10 pm-10:37 pm

1 stop5h 27m

Phoenix Sky Harbor Intl

Mon 7/7

7:32 pm-12:09 am

1 stop3h 37m

$177

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 7/1

5:30 pm-6:40 pm

Nonstop2h 10m

Phoenix Sky Harbor Intl

Sat 7/5

5:50 pm-11:45 pm

1 stop4h 55m

$178

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sun 7/13

12:36 pm-9:19 pm

2 stops33h 43m

Phoenix Sky Harbor Intl

Sat 7/19

12:06 pm-11:46 am

1 stop22h 40m

$325

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 8/4

7:48 pm-10:34 pm

2 stops27h 46m

Phoenix Sky Harbor Intl

Thu 8/7

4:57 pm-6:52 pm

2 stops24h 55m

$362

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 6/23

4:40 pm-8:39 pm

1 stop4h 59m

Phoenix Sky Harbor Intl

Tue 6/24

10:32 am-3:59 pm

1 stop4h 27m

$373

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 6/23

9:43 am-10:57 am

3 stops26h 14m

Phoenix Sky Harbor Intl

Sun 6/29

12:54 pm-8:48 am

1 stop18h 54m

$379

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 8/7

12:36 pm-7:27 pm

1 stop7h 51m

$68

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 17 results
1
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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.
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

How far ahead should I book a flight from Boise to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Sky Harbor Intl. Price data was last updated on June 9, 2025.

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 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boise to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 June 10, 2025.

When flying from Boise to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the morning.

What is the cheapest day to fly from Boise to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boise to Sky Harbor Intl. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Boise to Phoenix Sky Harbor Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boise to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Boise to Sky Harbor Intl. 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 June 10, 2025.

The most flights from BOI to PHX are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 June 10, 2025.
To help decide which airline to fly from Boise to Phoenix, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,492 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,784 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from Boise to Phoenix Sky Harbor Intl?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Phoenix Sky Harbor Intl. On average, Air Term. Gowen Fld has 5 outbound flights to Phoenix Sky Harbor Intl per day from 8 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • What are the cheapest airlines flying from Boise to Phoenix Sky Harbor Intl Airport round-trip?

    Hawaiian Airlines, at $157, was found to be the cheapest airline from Boise to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Alaska Airlines. Hawaiian Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boise to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $68. Users have also found prices from $71 and $79 on Alaska Airlines and Southwest, respectively.

  • What are the most reliable airlines from Boise to Phoenix Sky Harbor Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boise to Phoenix Sky Harbor Intl Airport on time: Horizon Air (94%), Southwest (90%), Alaska Airlines (89%).

  • What are the cheapest flights from Boise to Phoenix Sky Harbor Intl Airport?

    The cheapest flight price from Boise to Phoenix Sky Harbor Intl Airport is $88. On average you can expect to pay $768. The most popular route, (Boise Air Term. Gowen Fld - Phoenix Sky Harbor Intl), can usually be booked for $126.

  • Can I find deals for flights from Boise to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Boise to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Sky Harbor Intl.

  • Can I find deals for business class flights from Boise to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Boise to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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.

See more FAQs

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Top 8 airlines flying from Boise to Sky Harbor Intl

Discover the top 8 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 June 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$82Average$189FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$98Average$250FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$102Average$169FlexibilityNo cancel feeOn-time65%
DeltaCheapest$156Average$249FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$158Average$298FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$168Average$293FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$186Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$570FlexibilityNo cancel feeOn-time69%

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