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$89+ Cheap flights from Boise (BOI) to Phoenix

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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The best prices from Boise Air Term. Gowen Fld to Phoenix are usually found in September or October, booked 54 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Boise to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Phoenix (PH1). 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 March 14, 2025.

Round-trip from

$187
(Southwest)

One-way from

$89
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$360
From Boise Air Term. Gowen Fld to Phoenix
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One-way flight from Boise Air Term. Gowen Fld to Phoenix
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Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($18 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 Boise to Phoenix

Cheapest flights from Boise to Phoenix
Explore the most affordable flight options available from Boise to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2025.

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.
Mon 4/215:35 amBOI - PHX
Nonstop2h 05mSouthwest
Sat 4/267:00 amPHX - BOI
1 stop6h 10mSouthwest
Deal found 3/13$187
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/292:41 pmBOI - PHX
1 stop7h 18mHawaiian Airlines
Wed 4/307:00 amPHX - BOI
1 stop5h 47mHawaiian Airlines
Deal found 3/13$196
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.
Mon 4/215:59 pmBOI - PHX
1 stop6h 34mDelta
Sat 4/2610:05 amPHX - BOI
1 stop5h 55mDelta
Deal found 3/13$197
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.
Wed 4/95:18 pmBOI - PHX
Nonstop2h 10mAmerican Airlines
Sat 4/1210:04 amPHX - BOI
Nonstop2h 17mAmerican Airlines
Deal found 3/13$219
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.
Wed 4/2312:22 pmBOI - PHX
Nonstop2h 15mAlaska Airlines
Mon 4/287:59 pmPHX - BOI
Nonstop2h 16mAlaska Airlines
Deal found 3/13$223
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.
Fri 5/91:35 pmBOI - PHX
1 stop5h 29mUnited Airlines
Sun 5/116:00 amPHX - BOI
1 stop5h 39mUnited Airlines
Deal found 3/13$229
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/99:49 pmBOI - PHX
1 stop23h 12mSpirit Airlines
Thu 6/128:56 pmPHX - BOI
1 stop22h 48mSpirit Airlines
Deal found 3/13$233
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.
Fri 4/44:26 pmBOI - PHX
2 stops23h 41mMultiple Airlines
Sun 4/611:48 amPHX - BOI
1 stop23h 48mMultiple Airlines
Deal found 3/13$250

Find flights from Boise to Phoenix within your budget

Customize your flight search to find flights from Boise to Phoenix 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 March 14, 2025.

Fly from

Boise

Fly to

Phoenix

Route

Depart

Return

Price

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 4/21

2:47 pm-8:12 pm

1 stop6h 25m

Phoenix Sky Harbor Intl

Mon 4/28

7:59 pm-11:15 pm

Nonstop2h 16m

$187

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 5/21

5:25 pm-9:55 pm

1 stop5h 30m

Phoenix Sky Harbor Intl

Sun 5/25

9:05 pm-12:05 am

Nonstop2h 00m

$188

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 4/29

2:41 pm-8:59 pm

1 stop7h 18m

Phoenix Sky Harbor Intl

Wed 4/30

7:00 am-1:47 pm

1 stop5h 47m

$196

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 4/21

5:59 pm-11:33 pm

1 stop6h 34m

Phoenix Sky Harbor Intl

Sat 4/26

10:05 am-5:00 pm

1 stop5h 55m

$197

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 4/9

5:18 pm-6:28 pm

Nonstop2h 10m

Phoenix Sky Harbor Intl

Sat 4/12

10:04 am-1:21 pm

Nonstop2h 17m

$219

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 5/9

1:35 pm-6:04 pm

1 stop5h 29m

Phoenix Sky Harbor Intl

Sun 5/11

6:00 am-12:39 pm

1 stop5h 39m

$229

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 6/9

9:49 pm-8:01 pm

1 stop23h 12m

Phoenix Sky Harbor Intl

Thu 6/12

8:56 pm-8:44 pm

1 stop22h 48m

$233

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 4/4

4:26 pm-3:07 pm

2 stops23h 41m

Phoenix Sky Harbor Intl

Sun 4/6

11:48 am-12:36 pm

1 stop23h 48m

$250

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 4/2

8:18 am-9:27 am

Nonstop2h 09m

$89

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 6/10

12:36 pm-5:17 pm

1 stop5h 41m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 17 results
1
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Best time to book a flight from Boise to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Boise 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 Boise to Phoenix

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Phoenix. Price data was last updated on March 7, 2025.

To ensure you get the cheapest price possible for a flight from Boise to Phoenix, you should look to book at least 54 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 Boise to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix (average of $258). Flying from Boise to Phoenix in March is currently the most expensive (average of $337). 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 BOI to PHX?

Find hourly flight availability from Boise to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2025.

When flying from Boise to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Phoenix. Price data was last updated on March 9, 2025.

Travelers seeking maximum savings on their Boise to Phoenix flight should consider departing on Wednesday evenings 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 Boise to Phoenix

Explore weekly flight availability from Boise to Phoenix. 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 March 14, 2025.

The most flights from BOI to PH1 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 (4 on average).

Rainfall in Phoenix by month

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

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

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

If weather is an important factor for your trip to Phoenix, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated March 14, 2025.
Read through reviews of airlines operating flights from Boise to Phoenix, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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
4,290 reviews
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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
9,740 reviews
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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
7,936 reviews
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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
2,316 reviews
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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
8,620 reviews
Southwest
8.1
Very good
4,290 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

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 Boise to Phoenix. 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 from for flights from Boise to Phoenix?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Phoenix. On average, Air Term. Gowen Fld has 6 outbound flights to Phoenix per day from 7 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

    Our cheapest airline available from Boise to Phoenix is Southwest. Our recent data shows that you can find tickets from as low as $187 on this airline. Additional options worth looking into are Hawaiian Airlines and Delta, starting at $196 and $197 round-trip. Southwest is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Boise to Phoenix are Hawaiian Airlines ($89), Frontier ($90), and Delta ($99).

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

    Before booking your flight to Phoenix from Boise, check out the most reliable airlines to get you to your destination on time: Horizon Air (100%), Southwest (95%), Envoy Air( 90%).

  • What are the cheapest flights from Boise to Phoenix?

    Looking for the cheapest flight from Boise to Phoenix? While on average our users pay $968, our data indicates the cheapest price to be $98. The most popular route (Boise Air Term. Gowen Fld - Phoenix Sky Harbor Intl), is priced around $177.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Phoenix 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 Boise to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Boise to Phoenix (average of $258). Flying from Boise to Phoenix in March is currently the most expensive (average of $337). 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.

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Top 7 airlines flying from Boise to Phoenix

Discover the top 7 airlines that operate flights from Boise to Phoenix. 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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$162FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$85Average$187FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$156Average$291FlexibilityNo cancel feeOn-time75%
DeltaCheapest$161Average$261FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$168Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$187Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$602FlexibilityNo cancel feeOn-time69%
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