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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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$137
(Hawaiian Airlines)

One-way from

$69
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$241

Good round-trip deal

$167 or less

Good one-way deal

$78 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. 7% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:00 amPHX - BOI
Nonstop2h 10mSouthwest
Thu 8/286:15 amBOI - PHX
Nonstop2h 05mSouthwest
Deal found 7/29$137
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 9/47:59 pmPHX - BOI
Nonstop2h 08mAlaska Airlines
Sun 9/76:05 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Deal found 7/27$147
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:52 amPHX - BOI
1 stop6h 14mDelta
Tue 9/167:51 amBOI - PHX
1 stop4h 44mDelta
Deal found 7/27$157
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:59 pmPHX - BOI
Nonstop2h 08mHawaiian Airlines
Sun 9/76:05 pmBOI - PHX
Nonstop2h 12mHawaiian Airlines
Deal found 7/29$167
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Sat 8/28:21 pmPHX - BOI
1 stop14h 25mFrontier
Sun 8/1012:36 pmBOI - PHX
1 stop20h 51mFrontier
Deal found 7/27$215
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/57:15 amPHX - BOI
1 stop5h 43mUnited Airlines
Wed 8/202:45 pmBOI - PHX
1 stop4h 57mUnited Airlines
Deal found 7/27$250

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 July 29, 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

Tue 8/19

7:39 pm-10:46 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

Tue 8/26

6:05 pm-7:17 pm

Nonstop2h 12m

$137

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 9/4

7:59 pm-11:07 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Sun 9/7

6:05 pm-7:17 pm

Nonstop2h 12m

$147

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 9/5

5:52 am-1:06 pm

1 stop6h 14m

Boise Air Term. Gowen Fld

Tue 9/16

7:51 am-11:35 am

1 stop4h 44m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 9/24

9:00 am-12:10 pm

Nonstop2h 10m

Boise Air Term. Gowen Fld

Tue 9/30

7:25 am-3:30 pm

2 stops9h 05m

$158

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 8/27

7:59 pm-11:07 pm

Nonstop2h 08m

$69

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 10/27

10:10 am-4:50 pm

1 stop5h 40m

$78

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 8/27

5:52 am-1:06 pm

1 stop6h 14m

$79

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sun 10/12

6:00 am-11:53 am

1 stop4h 53m

$103

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 9/1

8:20 pm-11:31 pm

Nonstop2h 11m

$124

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sun 9/21

10:59 pm-8:21 pm

2 stops20h 22m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
1
2

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 July 25, 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 July 29, 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 16% 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 July 27, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boise flight should consider departing on Friday 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.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport 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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Phoenix Sky Harbor Intl Airport to Boise have to say. 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

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 4 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?

    Hawaiian Airlines, at $137, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Boise.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Hawaiian Airlines is currently priced 46% 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 Alaska Airlines. You may also be able to find cheap deals on Southwest and Delta, 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: Envoy Air (95%), Alaska Airlines (94%), Horizon Air (94%).

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $137 on average our data indicates $291 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$63Average$114FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$87Average$172FlexibilityNo cancel feeOn-time65%
DeltaCheapest$88Average$218FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$210FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$142Average$235FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$159Average$282FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$159Average$253FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$259FlexibilityNo cancel feeOn-time69%

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