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$69+ Cheap flights from Sky Harbor Intl (PHX) to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld are usually found in September or October, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Sky Harbor Intl to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 23, 2025.

Round-trip from

$157
(Delta)

One-way from

$69
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$273

Good round-trip deal

$183 or less

Good one-way deal

$98 or less
From Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld
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One-way flight from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld.
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Find flight deals from Sky Harbor Intl to Boise

Cheapest flights from Sky Harbor Intl to Boise
Explore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This American Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 8/84:56 pmPHX - BOI
Nonstop2h 14mAmerican Airlines
Fri 8/151:50 pmBOI - PHX
Nonstop2h 16mAmerican Airlines
Deal found 6/20$157
This Southwest deal was found by Cheapflights users on 6/22. 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.
Sat 9/61:15 pmPHX - BOI
2 stops7h 55mSouthwest
Thu 9/114:55 pmBOI - PHX
Nonstop2h 05mSouthwest
Deal found 6/22$162
This Delta deal was found by Cheapflights users on 6/20. 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.
Mon 8/183:46 pmPHX - BOI
1 stop5h 37mDelta
Tue 8/197:30 amBOI - PHX
1 stop6h 00mDelta
Deal found 6/20$167
This Hawaiian Airlines deal was found by Cheapflights users on 6/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amPHX - BOI
1 stop5h 18mHawaiian Airlines
Sun 8/316:35 amBOI - PHX
1 stop7h 19mHawaiian Airlines
Deal found 6/23$176
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 7/143:47 pmPHX - BOI
1 stop5h 59mAlaska Airlines
Tue 7/155:44 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Deal found 6/20$187
This WAYA deal was found by Cheapflights users on 6/22. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:52 pmPHX - BOI
1 stop5h 00mMultiple Airlines
Mon 8/45:45 pmBOI - PHX
Nonstop2h 12mMultiple Airlines
Deal found 6/22$222
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2310:32 amPHX - BOI
1 stop4h 27mUnited Airlines
Mon 6/305:42 pmBOI - PHX
1 stop5h 18mUnited Airlines
Deal found 6/22$370
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:18 amPHX - BOI
1 stop27h 29mFrontier
Sun 7/612:36 pmBOI - PHX
1 stop20h 51mFrontier
Deal found 6/21$428

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boise that are best for you.

Fly from

Sky Harbor Intl

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 8/8

4:56 pm-8:10 pm

Nonstop2h 14m

Boise Air Term. Gowen Fld

Fri 8/15

1:50 pm-3:06 pm

Nonstop2h 16m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 9/6

1:15 pm-10:10 pm

2 stops7h 55m

Boise Air Term. Gowen Fld

Thu 9/11

4:55 pm-6:00 pm

Nonstop2h 05m

$162

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 8/18

7:39 pm-10:46 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

Tue 8/19

3:10 pm-9:00 pm

1 stop6h 50m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 7/24

7:32 pm-12:09 am

1 stop3h 37m

Boise Air Term. Gowen Fld

Mon 7/28

5:45 am-8:34 am

1 stop3h 49m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 7/14

3:47 pm-10:46 pm

1 stop5h 59m

Boise Air Term. Gowen Fld

Tue 7/15

5:44 pm-6:56 pm

Nonstop2h 12m

$187

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 8/1

12:52 pm-6:52 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Mon 8/4

5:45 pm-6:57 pm

Nonstop2h 12m

$222

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 8/8

4:13 pm-4:40 pm

2 stops23h 27m

Boise Air Term. Gowen Fld

Fri 8/15

5:42 pm-10:00 pm

1 stop5h 18m

$386

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 7/2

7:18 am-11:47 am

1 stop27h 29m

Boise Air Term. Gowen Fld

Sun 7/6

12:36 pm-8:27 am

1 stop20h 51m

$428

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 9/2

7:59 pm-11:07 pm

Nonstop2h 08m

$69

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 8/19

3:15 pm-10:10 pm

1 stop5h 55m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 17 results
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Best time to book a flight from Sky Harbor Intl to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Boise

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Boise. Price data was last updated on June 20, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $314). Flying from Phoenix Sky Harbor Intl Airport to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to BOI?

Find hourly flight availability from Sky Harbor Intl to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Boise is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boise. Price data was last updated on June 22, 2025.

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

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Boise

Explore weekly flight availability from Sky Harbor Intl 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 June 23, 2025.

The most flights from PHX to BOI are scheduled on a Saturday (8 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 Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 23, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Phoenix to Boise by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

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

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

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
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

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
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

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 Sky Harbor Intl to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to Boise from Phoenix Sky Harbor Intl, you will be flying to Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise. There are 6 flights from Phoenix Sky Harbor Intl to Air Term. Gowen Fld per day from 8 different airlines.

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

    Delta, at $157, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Boise.Alternate airlines to your destination round-trip include Southwest and Alaska Airlines. Delta is currently priced 40% below the average price you’ll pay for this route.

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

    $69 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $78 and $79, respectively.

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

    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 Phoenix Sky Harbor Intl Airport to Boise on time: Horizon Air (95%), Hawaiian Airlines (93%), Alaska Airlines (91%).

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

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $137 on average our data indicates $176 when flying from Phoenix Sky Harbor Intl Airport to Boise.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Boise 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 Phoenix Sky Harbor Intl Airport to Boise?

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $314). Flying from Phoenix Sky Harbor Intl Airport to Boise in June is currently the most expensive (average of $398). 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

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 locations
Nampa
Meridian
Ontario
McCall
Caldwell

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Top 8 airlines flying from Sky Harbor Intl to Boise

Discover the top 8 airlines that operate flights from Sky Harbor Intl to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$63Average$114FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$96Average$171FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$124Average$198FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$145Average$239FlexibilityNo cancel feeOn-time75%
DeltaCheapest$156Average$262FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$159Average$288FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$170Average$264FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$276FlexibilityNo cancel feeOn-time69%

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