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$51+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
May 5 — May 121
Mon 5/5
Mon 5/12
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 67 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap 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 April 30, 2025.

Round-trip from

$177
(Delta)

One-way from

$51
(Booking.com)

Popular in

May

Cheapest in

September

Average price

$283
From Phoenix to Boise Air Term. Gowen Fld
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One-way flight from Phoenix to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 8% potential increase in price ($23 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 April 2025
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Find 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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3010:00 amPHX - BOI
1 stop5h 42mDelta
Mon 6/27:18 pmBOI - PHX
1 stop5h 30mDelta
Deal found 4/29$177
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 6/148:01 pmPHX - BOI
Nonstop2h 07mAlaska Airlines
Sat 6/216:07 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Deal found 4/27$178
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 6/207:38 pmPHX - BOI
Nonstop2h 07mHawaiian Airlines
Wed 6/255:44 pmBOI - PHX
Nonstop2h 12mHawaiian Airlines
Deal found 4/28$198
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:47 pmAZA - BOI
Nonstop2h 08mAllegiant Air
Mon 5/264:45 pmBOI - AZA
Nonstop2h 09mAllegiant Air
Deal found 4/28$200
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:24 pmAZA - BOI
1 stop11h 57mMultiple Airlines
Fri 5/234:45 pmBOI - AZA
Nonstop2h 09mMultiple Airlines
Deal found 4/29$203
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/288:20 pmPHX - BOI
Nonstop2h 12mAmerican Airlines
Sat 5/315:10 pmBOI - PHX
Nonstop2h 11mAmerican Airlines
Deal found 4/28$213
This Southwest deal was found by Cheapflights users on 4/28. 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 5/285:55 amPHX - BOI
1 stop7h 30mSouthwest
Fri 5/305:00 pmBOI - PHX
Nonstop2h 05mSouthwest
Deal found 4/28$229
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:00 amPHX - BOI
1 stop5h 39mUnited Airlines
Fri 5/234:40 pmBOI - PHX
1 stop4h 59mUnited Airlines
Deal found 4/29$245
This Mytrip deal was found by Cheapflights users on 4/28. 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 6/1212:54 pmPHX - BOI
1 stop18h 47mMultiple Airlines
Mon 6/169:36 amBOI - PHX
2 stops24h 34mMultiple Airlines
Deal found 4/28$300

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 April 30, 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

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 5/30

10:00 am-4:42 pm

1 stop5h 42m

Boise Air Term. Gowen Fld

Mon 6/2

7:18 pm-11:48 pm

1 stop5h 30m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 6/14

8:01 pm-11:08 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

Sat 6/21

6:07 pm-7:19 pm

Nonstop2h 12m

$178

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 6/20

7:38 pm-10:45 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

Wed 6/25

5:44 pm-6:56 pm

Nonstop2h 12m

$198

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 5/23

12:47 pm-3:55 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Mon 5/26

4:45 pm-5:54 pm

Nonstop2h 09m

$200

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/22

10:24 pm-11:21 am

1 stop11h 57m

Boise Air Term. Gowen Fld

Fri 5/23

4:45 pm-5:54 pm

Nonstop2h 09m

$203

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 5/28

8:20 pm-11:32 pm

Nonstop2h 12m

Boise Air Term. Gowen Fld

Sat 5/31

5:10 pm-6:21 pm

Nonstop2h 11m

$213

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 5/28

5:55 am-2:25 pm

1 stop7h 30m

Boise Air Term. Gowen Fld

Fri 5/30

5:00 pm-6:05 pm

Nonstop2h 05m

$229

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 5/21

6:00 am-12:39 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Fri 5/23

4:40 pm-8:39 pm

1 stop4h 59m

$245

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 6/12

12:54 pm-8:41 am

1 stop18h 47m

Boise Air Term. Gowen Fld

Mon 6/16

9:36 am-9:10 am

2 stops24h 34m

$300

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 6/23

6:45 pm-9:47 pm

Nonstop2h 02m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 20 results
1
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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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 67 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 $314). Flying from Phoenix to Boise in June is currently the most expensive (average of $406). 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 April 30, 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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 8% 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 March 30, 2025.

Travelers seeking maximum savings on their Phoenix to Boise flight should consider departing on Saturday at noon 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 Phoenix to Boise

Explore weekly flight availability from Phoenix 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 April 30, 2025.

The most flights from PH1 to BOI are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 April 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Phoenix to Boise to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
2,406 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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 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. 8 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 8 inbound flights from Phoenix per day.

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

    Cheapflights users have booked flights from Phoenix to Boise round-trip from $177. Other airlines that can offer you cheap pricing are Alaska Airlines, from $178, and Hawaiian Airlines, from $198. These flights start at 34% 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 $51. Users have also found prices from $87 and $90 on Spirit Airlines and Alaska Airlines, 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 Southwest (87%), American Airlines (81%) or Envoy Air (77%) 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 $88. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $187 on average our data indicates $210 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 $314). Flying from Phoenix to Boise in June is currently the most expensive (average of $406). 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?

Book flights to Phoenix if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario

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Top 8 airlines flying from Phoenix to Boise

Discover the top 8 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$182FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$92Average$170FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$151Average$255FlexibilityNo cancel feeOn-time75%
DeltaCheapest$158Average$280FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$159Average$289FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$171Average$260FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$177Average$217FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$196Average$474FlexibilityNo cancel feeOn-time69%

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