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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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
mar. 19 — mar. 261
mié. 3/19
mié. 3/26
1 adult, Economy
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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 Wednesday or Friday 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 marzo 14, 2025.

Round-trip from

$172
(Frontier)

One-way from

$51
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$336
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. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 14, 2025.

This Frontier deal was found by Cheapflights users on 3/13. 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.
mar. 5/205:50 amPHX - BOI
1 stop6h 47mFrontier
jue. 5/2912:36 pmBOI - PHX
1 stop5h 46mFrontier
Deal found 3/13$172
This Hawaiian Airlines deal was found by Cheapflights users on 3/12. 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.
mié. 3/267:31 pmPHX - BOI
Nonstop2h 09mHawaiian Airlines
sáb. 3/298:18 amBOI - PHX
Nonstop2h 09mHawaiian Airlines
Deal found 3/12$177
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
lun. 5/1912:47 pmAZA - BOI
Nonstop2h 08mAllegiant Air
vie. 5/234:45 pmBOI - AZA
Nonstop2h 09mAllegiant Air
Deal found 3/13$183
This Southwest deal was found by Cheapflights users on 3/13. 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.
mar. 4/17:15 pmPHX - BOI
Nonstop2h 10mSouthwest
mié. 4/212:30 pmBOI - PHX
2 stops6h 55mSouthwest
Deal found 3/13$192
This Delta deal was found by Cheapflights users on 3/13. 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.
sáb. 5/2410:00 amPHX - BOI
1 stop6h 02mDelta
mar. 5/2711:30 amBOI - PHX
1 stop5h 50mDelta
Deal found 3/13$197
This Expedia deal was found by Cheapflights users on 3/13. 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.
sáb. 5/2410:31 amPHX - BOI
Nonstop2h 09mMultiple Airlines
mar. 5/2712:36 pmBOI - PHX
1 stop5h 46mMultiple Airlines
Deal found 3/13$204
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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.
jue. 3/277:31 pmPHX - BOI
Nonstop2h 09mAlaska Airlines
sáb. 7/126:07 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Deal found 3/13$217
This United Airlines deal was found by Cheapflights users on 3/13. 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.
jue. 3/273:25 pmPHX - BOI
1 stop6h 50mUnited Airlines
sáb. 7/125:22 pmBOI - PHX
1 stop5h 37mUnited Airlines
Deal found 3/13$218
This Mytrip deal was found by Cheapflights users on 3/13. 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.
jue. 3/275:15 amPHX - BOI
2 stops30h 21mSpirit Airlines
lun. 3/311:31 pmBOI - PHX
2 stops33h 31mSpirit Airlines
Deal found 3/13$266
This Mytrip deal was found by Cheapflights users on 3/13. 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.
vie. 3/286:30 pmAZA - BOI
Nonstop2h 10mMultiple Airlines
vie. 4/41:31 pmBOI - AZA
1 stop21h 23mMultiple Airlines
Deal found 3/13$268
This American Airlines deal was found by Cheapflights users on 3/13. 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.
dom. 4/271:35 pmPHX - BOI
Nonstop2h 13mAmerican Airlines
mar. 4/295:18 pmBOI - PHX
Nonstop2h 10mAmerican Airlines
Deal found 3/13$321

Find flights from Phoenix to Boise within your budget

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 marzo 14, 2025.

Fly from

Phoenix

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

mar. 5/20

5:50 am-1:37 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

jue. 5/29

12:36 pm-5:22 pm

1 stop5h 46m

$172

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

mié. 3/26

7:31 pm-10:40 pm

Nonstop2h 09m

Boise Air Term. Gowen Fld

sáb. 3/29

8:18 am-9:27 am

Nonstop2h 09m

$177

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

lun. 5/19

12:47 pm-3:55 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

vie. 5/23

4:45 pm-5:54 pm

Nonstop2h 09m

$183

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

mar. 4/1

7:15 pm-10:25 pm

Nonstop2h 10m

Boise Air Term. Gowen Fld

mié. 4/2

12:30 pm-6:25 pm

2 stops6h 55m

$192

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

sáb. 5/24

10:00 am-5:02 pm

1 stop6h 02m

Boise Air Term. Gowen Fld

mar. 5/27

11:30 am-4:20 pm

1 stop5h 50m

$197

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

sáb. 5/24

10:31 am-1:40 pm

Nonstop2h 09m

Boise Air Term. Gowen Fld

mar. 5/27

12:36 pm-5:22 pm

1 stop5h 46m

$204

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

jue. 3/27

7:31 pm-10:40 pm

Nonstop2h 09m

Boise Air Term. Gowen Fld

sáb. 7/12

6:07 pm-7:19 pm

Nonstop2h 12m

$217

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

jue. 3/27

3:25 pm-11:15 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

sáb. 7/12

5:22 pm-9:59 pm

1 stop5h 37m

$218

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

jue. 3/27

5:15 am-12:36 pm

2 stops30h 21m

Boise Air Term. Gowen Fld

lun. 3/31

1:31 pm-10:02 pm

2 stops33h 31m

$266

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

vie. 3/28

6:30 pm-9:40 pm

Nonstop2h 10m

Boise Air Term. Gowen Fld

vie. 4/4

1:31 pm-9:54 am

1 stop21h 23m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 22 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.

Travel insights for flights from Phoenix to Boise

Get recent, data-driven insights about flights from Phoenix to Boise including ideal travel times, pricing trends, and more.

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 March 7, 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 $429). 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 marzo 14, 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 9% 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 9, 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 marzo 14, 2025.

The most flights from PH1 to BOI are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 marzo 14, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,292 reviews
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,734 reviews
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,944 reviews
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,292 reviews

Boarding

8.2

Overall

8.1

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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. 7 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 $172. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $177, and Allegiant Air, from $183. These flights start at 38% 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 $80 and $81 on Frontier and Spirit 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 Horizon Air (100%), United Airlines (100%) or Envoy Air (90%) 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 $156 on average our data indicates $507 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 $429). 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 7 airlines flying from Phoenix to Boise

Discover the top 7 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 marzo 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$167FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$92Average$166FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$150Average$266FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$165Average$295FlexibilityNo cancel feeOn-time71%
DeltaCheapest$168Average$281FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$169Average$253FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$454FlexibilityNo cancel feeOn-time69%
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