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$51+ Cheap flights from Phoenix-Mesa Gateway (AZA) 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
AZA — BOI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Phoenix-Mesa Gateway to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix-Mesa Gateway (AZA) 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 August 14, 2025.

Round-trip from

$142
(Cheapflightsfares)

One-way from

$51
(Cheapflightsfares)

Popular in

May

Cheapest in

September

Average price

$246

Good one-way deal

$51 or less
From Phoenix-Mesa Gateway to Boise Air Term. Gowen Fld
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One-way flight from Phoenix-Mesa Gateway to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 6% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Phoenix-Mesa Gateway to Boise Air Term. Gowen Fld.
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Find flight deals from Phoenix-Mesa Gateway to Boise

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

This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/264:08 pmAZA - BOI
Nonstop2h 02mAllegiant Air
Fri 10/109:54 pmBOI - AZA
Nonstop2h 05mAllegiant Air
Deal found 8/14$142
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:14 pmAZA - BOI
Nonstop2h 05mAllegiant Air
Mon 10/1310:34 pmBOI - AZA
Nonstop2h 05mAllegiant Air
Deal found 8/13$158
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 8/296:31 pmAZA - BOI
Nonstop2h 08mAllegiant Air
Mon 9/110:29 pmBOI - AZA
Nonstop2h 09mAllegiant Air
Deal found 8/14$173
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 11/266:00 amAZA - BOI
Nonstop2h 11mAllegiant Air
Mon 12/13:17 pmBOI - AZA
Nonstop2h 07mAllegiant Air
Deal found 8/13$239
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 8/308:47 pmAZA - BOI
2 stops20h 11mAllegiant Air
Mon 9/110:29 pmBOI - AZA
Nonstop2h 09mAllegiant Air
Deal found 8/13$343
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 8/289:19 amAZA - BOI
2 stops30h 52mMultiple Airlines
Mon 9/110:29 pmBOI - AZA
Nonstop2h 09mMultiple Airlines
Deal found 8/14$386
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:51 pmAZA - BOI
2 stops26h 05mMultiple Airlines
Sun 10/262:25 pmBOI - AZA
3 stops26h 34mMultiple Airlines
Deal found 8/12$475
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 8/156:31 pmAZA - BOI
Nonstop2h 08mAllegiant Air
Sat 8/162:40 pmBOI - AZA
2 stops48h 35mAllegiant Air
Deal found 8/14$602
This Mytrip deal was found by Cheapflights users on 8/14. 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 9/113:56 pmAZA - BOI
3 stops27h 35mMultiple Airlines
Sun 9/142:16 pmBOI - AZA
3 stops24h 38mMultiple Airlines
Deal found 8/14$653
This Mytrip deal was found by Cheapflights users on 8/14. 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 8/289:19 amAZA - BOI
3 stops30h 52mMultiple Airlines
Sun 8/316:06 pmBOI - AZA
2 stops29h 44mMultiple Airlines
Deal found 8/14$929

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix-Mesa Gateway 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 August 14, 2025.
Use the filters below to find and compare flights from Phoenix-Mesa Gateway Airport to Boise that are best for you.

Fly from

Phoenix-Mesa Gateway

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 9/26

4:08 pm-7:10 pm

Nonstop2h 02m

Boise Air Term. Gowen Fld

Fri 10/10

9:54 pm-10:59 pm

Nonstop2h 05m

$142

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 10/10

12:14 pm-3:19 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Mon 10/13

10:34 pm-11:39 pm

Nonstop2h 05m

$158

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 8/29

6:31 pm-9:39 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

Mon 9/1

10:29 pm-11:38 pm

Nonstop2h 09m

$173

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 11/26

6:00 am-8:11 am

Nonstop2h 11m

Boise Air Term. Gowen Fld

Mon 12/1

3:17 pm-5:24 pm

Nonstop2h 07m

$239

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sat 8/30

8:47 pm-5:58 pm

2 stops20h 11m

Boise Air Term. Gowen Fld

Mon 9/1

10:29 pm-11:38 pm

Nonstop2h 09m

$343

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 8/28

9:19 am-5:11 pm

2 stops30h 52m

Boise Air Term. Gowen Fld

Mon 9/1

10:29 pm-11:38 pm

Nonstop2h 09m

$386

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 10/23

4:51 pm-7:56 pm

2 stops26h 05m

Boise Air Term. Gowen Fld

Sun 10/26

2:25 pm-3:59 pm

3 stops26h 34m

$475

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 9/11

3:56 pm-8:31 pm

3 stops27h 35m

Boise Air Term. Gowen Fld

Sun 9/14

2:16 pm-1:54 pm

3 stops24h 38m

$653

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 8/28

9:19 am-5:11 pm

3 stops30h 52m

Boise Air Term. Gowen Fld

Sun 8/31

6:06 pm-10:50 pm

2 stops29h 44m

$929

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 12/4

6:14 pm-8:28 pm

Nonstop2h 14m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 results
1
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Best time to book a flight from Phoenix-Mesa Gateway to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Phoenix-Mesa Gateway 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-Mesa Gateway Airport to Boise

What is the cheapest time of day to fly from AZA to BOI?

Find hourly flight availability from Phoenix-Mesa Gateway 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 August 14, 2025.

When flying from Phoenix-Mesa Gateway Airport to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 14, 2025.
Peruse reviews from past customers who have flown with Allegiant Air from Phoenix-Mesa Gateway Airport to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
701 reviews

Entertainment

5.5

Crew

8.1

Overall

7.2

Boarding

7.6

Comfort

6.8

Food

5.9

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
701 reviews
Allegiant Air
7.2
Good
701 reviews

Entertainment

5.5

Crew

8.1

Overall

7.2

Boarding

7.6

Comfort

6.8

Food

5.9

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Related info for your journey

Find useful and relevant information for your journey from Phoenix-Mesa Gateway 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-Mesa Gateway?

    If you book a flight to Boise from Phoenix-Mesa Gateway, you will be flying to Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise. There are 0 flights from Phoenix-Mesa Gateway to Air Term. Gowen Fld per day from 1 airline.

  • What is the cheapest airline to fly from Phoenix-Mesa Gateway Airport to Boise round-trip?

    Flying on Allegiant Air is currently your cheapest option to Boise, with prices starting at $101. Allegiant Air is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Phoenix-Mesa Gateway Airport to Boise?

    Looking for the cheapest flight from Phoenix-Mesa Gateway Airport to Boise? While on average our users pay $92, our data indicates the cheapest price to be $51. The most popular route (Phoenix-Mesa Gateway - Boise Air Term. Gowen Fld), is priced around $92.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix-Mesa Gateway 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-Mesa Gateway Airport to Boise?

    Currently, October is the cheapest month in which you can book a flight from Phoenix-Mesa Gateway Airport to Boise (average of $314). Flying from Phoenix-Mesa Gateway Airport to Boise in June is currently the most expensive (average of $399). 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 airline flying from Phoenix-Mesa Gateway to Boise

Discover the top airline that operate flights from Phoenix-Mesa Gateway 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$101Average$213FlexibilityNo cancel feeOn-time88%

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