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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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 67 days in advance, depart on a Wednesday or Thursday 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 June 12, 2025.

Round-trip from

$159
(Alaska Airlines)

One-way from

$50
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$269
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. 4% potential increase in price ($10 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 June 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/77:38 pmPHX - BOI
Nonstop2h 07mAlaska Airlines
Sat 8/96:07 pmBOI - PHX
Nonstop2h 12mAlaska Airlines
Deal found 6/11$159
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/257:59 pmPHX - BOI
Nonstop2h 08mHawaiian Airlines
Tue 8/266:05 pmBOI - PHX
Nonstop2h 12mHawaiian Airlines
Deal found 6/10$161
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 7/87:32 pmPHX - BOI
1 stop3h 37mDelta
Tue 7/157:30 amBOI - PHX
1 stop6h 00mDelta
Deal found 6/10$177
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/98:20 pmPHX - BOI
Nonstop2h 13mAmerican Airlines
Sat 7/125:17 pmBOI - PHX
Nonstop2h 16mAmerican Airlines
Deal found 6/10$179
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 7/157:00 pmPHX - BOI
1 stop4h 25mSouthwest
Fri 7/185:05 pmBOI - PHX
Nonstop2h 05mSouthwest
Deal found 6/11$198
This Mytrip deal was found by Cheapflights users on 6/10. 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 8/86:41 pmAZA - BOI
Nonstop2h 02mMultiple Airlines
Sat 8/92:29 pmBOI - AZA
2 stops25h 26mMultiple Airlines
Deal found 6/10$223
This Mytrip deal was found by Cheapflights users on 6/10. 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 8/226:31 pmAZA - BOI
Nonstop2h 08mAllegiant Air
Sun 8/246:48 pmBOI - AZA
2 stops27h 42mAllegiant Air
Deal found 6/10$295
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/217:10 amPHX - BOI
1 stop5h 39mUnited Airlines
Sat 8/238:15 amBOI - PHX
1 stop5h 13mUnited Airlines
Deal found 6/10$315
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Sun 6/2212:54 pmPHX - BOI
1 stop18h 54mMultiple Airlines
Thu 6/267:14 pmBOI - PHX
1 stop28h 30mMultiple Airlines
Deal found 6/9$346

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 June 12, 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

Thu 8/7

7:38 pm-10:45 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

Sat 8/9

6:07 pm-7:19 pm

Nonstop2h 12m

$159

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 8/25

7:59 pm-11:07 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Tue 8/26

6:05 pm-7:17 pm

Nonstop2h 12m

$161

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 7/8

7:32 pm-12:09 am

1 stop3h 37m

Boise Air Term. Gowen Fld

Tue 7/15

7:30 am-12:30 pm

1 stop6h 00m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 7/9

8:20 pm-11:33 pm

Nonstop2h 13m

Boise Air Term. Gowen Fld

Sat 7/12

5:17 pm-6:33 pm

Nonstop2h 16m

$179

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 7/15

7:00 pm-12:25 am

1 stop4h 25m

Boise Air Term. Gowen Fld

Fri 7/18

5:05 pm-6:10 pm

Nonstop2h 05m

$198

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 8/8

6:41 pm-9:43 pm

Nonstop2h 02m

Boise Air Term. Gowen Fld

Sat 8/9

2:29 pm-2:55 pm

2 stops25h 26m

$223

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 8/22

6:31 pm-9:39 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Sun 8/24

6:48 pm-9:30 pm

2 stops27h 42m

$295

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 8/21

7:10 am-1:49 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Sat 8/23

8:15 am-12:28 pm

1 stop5h 13m

$315

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sun 6/22

12:54 pm-8:48 am

1 stop18h 54m

Boise Air Term. Gowen Fld

Thu 6/26

7:14 pm-10:44 pm

1 stop28h 30m

$346

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 10/31

12:14 pm-3:19 pm

Nonstop2h 05m

$50

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 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 June 9, 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 $395). 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 June 12, 2025.

One of the essential ways to save on airfare from Phoenix 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 11% 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 June 8, 2025.

Travelers seeking maximum savings on their Phoenix to Boise 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 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 June 12, 2025.

The most flights from PH1 to BOI are scheduled on a Tuesday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 June 12, 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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 6 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 $159. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $161, and Delta, from $177. These flights start at 39% 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 $50. Users have also found prices from $67 and $69 on Hawaiian 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 American Airlines (92%), Hawaiian Airlines (90%) or Envoy Air (89%) 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 $82. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $137 on average our data indicates $191 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 $395). 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
Ontario
McCall
Caldwell

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Alternative routes for Phoenix to Boise

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$164FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$92Average$172FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$136Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$146Average$245FlexibilityNo cancel feeOn-time75%
DeltaCheapest$156Average$262FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$288FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$170Average$264FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$282FlexibilityNo cancel feeOn-time69%

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