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$75+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Boise Air Term. Gowen Fld are usually found in January or September, booked 88 days in advance, depart on a Thursday or Tuesday 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 March 22, 2026.

This CheapOair deal was found by Cheapflights users on 3/17. 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.
Wed 5/276:53 pm
PHX
-
BOI
1 stop16h 37m
Frontier
Tue 6/21:25 pm
BOI
-
PHX
1 stop26h 58m
Frontier
Deal found 3/17$191
This Expedia deal was found by Cheapflights users on 3/21. 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.
Fri 4/178:40 pm
PHX
-
BOI
Nonstop2h 18m
Multiple Airlines
Sun 4/1911:53 am
BOI
-
PHX
1 stop20h 43m
Multiple Airlines
Deal found 3/21$194
This Frontier deal was found by Cheapflights users on 3/17. 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 6/45:15 am
PHX
-
BOI
1 stop6h 15m
Frontier
Tue 6/912:21 pm
BOI
-
PHX
1 stop6h 02m
Frontier
Deal found 3/17$201
This Expedia deal was found by Cheapflights users on 3/18. 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.
Tue 4/148:40 pm
PHX
-
BOI
Nonstop2h 18m
Multiple Airlines
Tue 5/51:22 pm
BOI
-
PHX
1 stop27h 01m
Multiple Airlines
Deal found 3/18$204
This WAYA deal was found by Cheapflights users on 3/17. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:40 pm
PHX
-
BOI
Nonstop2h 18m
Multiple Airlines
Wed 4/157:20 am
BOI
-
PHX
1 stop6h 35m
Multiple Airlines
Deal found 3/17$209
This CheapOair deal was found by Cheapflights users on 3/17. 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.
Wed 5/136:53 pm
PHX
-
BOI
1 stop16h 34m
Frontier
Tue 5/191:22 pm
BOI
-
PHX
1 stop11h 09m
Frontier
Deal found 3/17$212
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Wed 5/206:53 pm
PHX
-
BOI
1 stop16h 37m
Frontier
Sun 5/241:25 pm
BOI
-
PHX
1 stop19h 19m
Frontier
Deal found 3/19$216
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/158:40 pm
PHX
-
BOI
Nonstop2h 18m
Alaska Airlines
Sat 4/181:02 pm
BOI
-
PHX
Nonstop2h 10m
Alaska Airlines
Deal found 3/19$217
This Orbitz deal was found by Cheapflights users on 3/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:15 am
PHX
-
BOI
1 stop6h 15m
Multiple Airlines
Tue 6/26:08 pm
BOI
-
PHX
Nonstop2h 09m
Multiple Airlines
Deal found 3/17$219
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Sat 5/22:35 pm
PHX
-
BOI
Nonstop2h 18m
American Airlines
Sat 5/166:45 am
BOI
-
PHX
Nonstop2h 20m
American Airlines
Deal found 3/17$224
This Frontier deal was found by Cheapflights users on 3/17. 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 5/285:15 am
PHX
-
BOI
1 stop6h 15m
Frontier
Sun 5/311:25 pm
BOI
-
PHX
1 stop11h 06m
Frontier
Deal found 3/17$225
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:01 pm
AZA
-
BOI
Nonstop2h 12m
Allegiant Air
Mon 3/306:03 pm
BOI
-
AZA
Nonstop2h 10m
Allegiant Air
Deal found 3/20$235

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 March 22, 2026.

Round-trip from

$191
(CheapOair)

One-way from

$75
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$318
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. 3% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 22, 2026.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 4/18

7:00 pm-10:05 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Sat 4/25

7:05 am-8:10 am

Nonstop2h 05m

$217

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 4/15

8:40 pm-11:58 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Sat 4/18

6:48 pm-7:58 pm

Nonstop2h 10m

$217

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 4/28

6:00 am-12:35 pm

1 stop5h 35m

Boise Air Term. Gowen Fld

Wed 4/29

6:08 pm-11:59 pm

1 stop6h 51m

$237

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 5/15

9:55 pm-1:00 am

Nonstop2h 05m

Boise Air Term. Gowen Fld

Mon 5/18

4:20 pm-10:10 pm

1 stop6h 50m

$247

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 4/10

6:00 pm-11:30 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

Sun 4/12

3:25 pm-4:30 pm

Nonstop2h 05m

$247

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 4/2

10:00 am-4:23 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Mon 4/6

5:54 pm-7:03 pm

Nonstop2h 09m

$252

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 4/14

3:21 pm-11:47 pm

1 stop7h 26m

Boise Air Term. Gowen Fld

Tue 4/21

6:32 am-2:39 pm

1 stop9h 07m

$260

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 4/8

3:35 pm-11:20 pm

2 stops6h 45m

Boise Air Term. Gowen Fld

Wed 4/15

10:05 am-4:30 pm

2 stops7h 25m

$292

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 5/8

5:00 am-11:02 pm

1 stop17h 02m

Boise Air Term. Gowen Fld

Sun 5/10

6:00 am-11:59 pm

1 stop18h 59m

$303

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 5/19

7:35 am-2:40 pm

2 stops6h 05m

Boise Air Term. Gowen Fld

Sat 5/23

7:05 am-8:10 am

Nonstop2h 05m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 37 resultsSorted by cheapest first
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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 March 13, 2026.

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 $179). 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 March 22, 2026.

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 36% 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 14, 2026.

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.

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 March 22, 2026.

The most flights from PH1 to BOI are scheduled on a Saturday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 March 22, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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.
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,325 reviews
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Alaska Airlines
7.9
Good
12,093 reviews
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Delta
7.9
Good
8,315 reviews
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Hawaiian Airlines
7.8
Good
2,841 reviews
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,487 reviews
Southwest
8.0
Very good
4,325 reviews

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 7 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to Boise?

    Airlines like Southwest, Alaska Airlines, and Allegiant Air fly from Phoenix to Boise in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 3h 18m. 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 $81. Other airlines that can offer you cheap pricing are Allegiant Air, from $82, and Hawaiian Airlines, from $124. These flights start at 67% 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 $48. Users have also found prices from $78 and $78 on Delta 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 SkyWest Airlines (86%), American Airlines (82%) or Hawaiian Airlines (80%) 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 $66. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $217 on average, our data indicates $282 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 $179). 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$81Average$176FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$82Average$132FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$124Average$207FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$137Average$236FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$151Average$255FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$156Average$274FlexibilityNo cancel feeOn-time71%

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