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$50+ Cheap flights from Phoenix to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Boise Air Term. Gowen Fld are usually found in September or October, booked 88 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Phoenix to Boise

Cheapest flights from Phoenix to Boise
Explore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:27 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Mon 1/1210:10 amBOI - AZA
Nonstop2h 16mAllegiant Air
Deal found 12/15$166
This Delta deal was found by Cheapflights users on 12/16. 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 12/255:37 pmPHX - BOI
1 stop5h 20mDelta
Wed 12/315:50 amBOI - PHX
1 stop4h 15mDelta
Deal found 12/16$175
This Delta deal was found by Cheapflights users on 12/14. 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 12/315:37 pmPHX - BOI
1 stop5h 20mDelta
Sat 1/106:15 pmBOI - PHX
1 stop4h 24mDelta
Deal found 12/14$176
This Delta deal was found by Cheapflights users on 12/14. 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 12/315:37 pmPHX - BOI
1 stop5h 20mDelta
Thu 1/85:40 amBOI - PHX
1 stop5h 28mDelta
Deal found 12/14$186
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:27 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Sun 12/219:30 pmBOI - AZA
Nonstop2h 09mAllegiant Air
Deal found 12/15$205
This Frontier deal was found by Cheapflights users on 12/15. 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 12/187:00 amPHX - BOI
1 stop4h 43mFrontier
Mon 1/1212:07 pmBOI - PHX
1 stop8h 06mFrontier
Deal found 12/15$213
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 12/312:43 pmPHX - BOI
Nonstop2h 19mAlaska Airlines
Sat 1/1012:21 pmBOI - PHX
Nonstop2h 08mAlaska Airlines
Deal found 12/14$218
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Thu 12/186:27 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Tue 12/233:20 pmBOI - AZA
Nonstop2h 10mAllegiant Air
Deal found 12/15$228
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 12/312:43 pmPHX - BOI
Nonstop2h 19mAlaska Airlines
Tue 1/63:45 pmBOI - PHX
1 stop6h 33mAlaska Airlines
Deal found 12/14$228
This Expedia deal was found by Cheapflights users on 12/15. 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.
Sun 12/287:00 amPHX - BOI
1 stop4h 43mFrontier
Sat 1/312:54 pmBOI - PHX
1 stop11h 50mFrontier
Deal found 12/15$233
This Frontier deal was found by Cheapflights users on 12/15. 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 12/187:00 amPHX - BOI
1 stop4h 43mFrontier
Thu 1/152:19 pmBOI - PHX
1 stop10h 40mFrontier
Deal found 12/15$234
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 12/312:43 pmPHX - BOI
Nonstop2h 19mAlaska Airlines
Mon 1/1210:00 amBOI - PHX
1 stop6h 12mAlaska Airlines
Deal found 12/14$238

Find flight deals from Phoenix to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Round-trip from

$127
(Kiwi.com)

One-way from

$62
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$373
From Phoenix to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Phoenix to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.

Fly from

Phoenix

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 1/16

7:00 am-9:20 am

Nonstop2h 20m

Boise Air Term. Gowen Fld

Mon 1/19

10:10 am-12:26 pm

Nonstop2h 16m

$127

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/17

8:55 am-11:05 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Tue 1/20

3:00 pm-5:05 pm

Nonstop2h 05m

$155

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 2/7

8:55 am-11:05 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Tue 2/10

3:00 pm-5:05 pm

Nonstop2h 05m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/17

3:17 pm-11:01 pm

1 stop7h 44m

Boise Air Term. Gowen Fld

Tue 1/20

12:21 pm-2:29 pm

Nonstop2h 08m

$165

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

9:00 am-11:10 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Wed 1/21

10:45 am-7:55 pm

2 stops9h 10m

$172

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Tue 1/20

3:43 pm-8:55 pm

1 stop5h 12m

$176

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/17

8:55 am-11:05 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Fri 1/23

4:00 pm-10:20 pm

1 stop6h 20m

$176

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 2/13

10:19 am-12:45 pm

Nonstop2h 26m

Boise Air Term. Gowen Fld

Sun 2/15

7:15 am-9:37 am

Nonstop2h 22m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/23

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Wed 1/28

3:43 pm-8:55 pm

1 stop5h 12m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 1/8

5:12 pm-11:59 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Mon 1/12

12:21 pm-2:29 pm

Nonstop2h 08m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 32 results
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Best time to book a flight from Phoenix to Boise

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

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Boise

How far ahead should I book a flight from Phoenix to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Boise. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix to Boise?

Currently, October is the cheapest month in which you can book a flight from Phoenix to Boise (average of $84). Flying from Phoenix to Boise in May is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Phoenix to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Phoenix to Boise is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 50% on airfare.

What is the cheapest day to fly from Phoenix to Boise?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boise. Price data was last updated on December 13, 2025.

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

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 December 18, 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. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,474 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,249 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,006 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,053 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly into when you book flights from Phoenix to Boise. 6 airlines have flights to Air Term. Gowen Fld from Phoenix on a regular basis. Booking flights from Phoenix to Boise Air Term. Gowen Fld should not be difficult; the airport handles an average of 3 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to Boise?

    Airlines like Allegiant Air, Southwest, and Alaska Airlines fly from Phoenix to Boise in about 2h 10m. The time it takes to get you to your destination can typically vary by up to 5h 34m. Phoenix and Boise are separated by a distance of 736 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to Boise round-trip?

    Cheapflights users have booked flights from Phoenix to Boise round-trip from $50. Other airlines that can offer you cheap pricing are Delta, from $81, and Hawaiian Airlines, from $136. These flights start at 80% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Phoenix to Boise one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $44. Users have also found prices from $78 and $78 on Alaska Airlines and Southwest, respectively.

  • What are the most reliable airlines from Phoenix to Boise?

    No one likes to see their flight delayed. When booking a flight from Phoenix to Boise consider choosing Envoy Air (92%), American Airlines (87%) or Hawaiian Airlines (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Phoenix 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 $156 on average, our data indicates $256 when flying from Phoenix to Boise.

  • Can I find deals for flights from Phoenix to Boise that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Boise?

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

  • Can I find deals for business class flights from Phoenix to Boise?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Boise?

    Currently, October is the cheapest month in which you can book a flight from Phoenix to Boise (average of $84). Flying from Phoenix to Boise in May is currently the most expensive (average of $177). 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
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 6 airlines flying from Phoenix to Boise

Discover the top 6 airlines that operate flights from Phoenix to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$133FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$197FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$206FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$142Average$246FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$148Average$262FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$156Average$285FlexibilityNo cancel feeOn-time71%

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