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$124+ Cheap flights from Phoenix-Mesa Gateway (AZA) to Idaho

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
AZA — BOI
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Phoenix-Mesa Gateway to Idaho

Cheapest flights from Phoenix-Mesa Gateway to Idaho
Explore the most affordable flight options available from Phoenix-Mesa Gateway to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 4/102:28 pm
AZA
-
BOI
Nonstop2h 07m
Allegiant Air
Mon 4/136:25 pm
BOI
-
AZA
Nonstop2h 09m
Allegiant Air
Deal found 3/28$172
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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 4/31:57 pm
AZA
-
BOI
Nonstop2h 07m
Allegiant Air
Fri 4/106:25 pm
BOI
-
AZA
Nonstop2h 09m
Allegiant Air
Deal found 3/29$313
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sun 4/510:00 am
AZA
-
BOI
1 stop5h 26m
Allegiant Air
Thu 4/303:13 pm
BOI
-
AZA
1 stop6h 01m
Allegiant Air
Deal found 3/30$326
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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.
Mon 3/302:01 pm
AZA
-
BOI
Nonstop2h 12m
Allegiant Air
Fri 4/35:54 pm
BOI
-
AZA
Nonstop2h 09m
Allegiant Air
Deal found 3/29$358
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/212:32 pm
AZA
-
BOI
2 stops24h 51m
Multiple Airlines
Thu 5/73:13 pm
BOI
-
AZA
1 stop6h 01m
Multiple Airlines
Deal found 3/29$387
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/45:51 pm
AZA
-
BOI
2 stops21h 35m
Allegiant Air
Mon 4/65:54 pm
BOI
-
AZA
Nonstop2h 09m
Allegiant Air
Deal found 3/27$396
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/154:57 pm
AZA
-
BOI
2 stops20h 26m
Allegiant Air
Sun 4/195:38 pm
BOI
-
AZA
1 stop5h 26m
Allegiant Air
Deal found 3/31$416
This WAYA deal was found by Cheapflights users on 4/1. 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.
Sun 4/510:00 am
AZA
-
BOI
1 stop5h 26m
Allegiant Air
Mon 4/65:54 pm
BOI
-
AZA
Nonstop2h 09m
Allegiant Air
Deal found 4/1$432
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/219:00 am
AZA
-
BOI
1 stop5h 10m
Multiple Airlines
Sun 5/244:00 pm
BOI
-
AZA
2 stops16h 08m
Multiple Airlines
Deal found 3/31$461
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/910:00 am
AZA
-
BOI
1 stop5h 23m
Allegiant Air
Sun 4/125:13 pm
BOI
-
AZA
2 stops41h 29m
Allegiant Air
Deal found 3/27$480

Find flight deals from Phoenix-Mesa Gateway to Idaho

Keep the following information in mind while searching for Phoenix-Mesa Gateway to Idaho flight deals. Data was last updated April 1, 2026.

Round-trip from

$387
(Kiwi.com)

One-way from

$124
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$220

Good round-trip deal

$246 or less

Good one-way deal

$259 or less
From Phoenix-Mesa Gateway to Idaho
Search Deals
One-way flight from Phoenix-Mesa Gateway to Idaho
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 April 2026
Search Deals
Price to beat on a round-trip flight from Phoenix-Mesa Gateway to Idaho.
Search Deals
Price to beat on a one-way flight from Phoenix-Mesa Gateway to Idaho.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix-Mesa Gateway to Idaho 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 April 1, 2026.
Use the filters below to find and compare flights from Phoenix-Mesa Gateway Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sat 5/2

12:32 pm-2:23 pm

2 stops24h 51m

Boise Air Term. Gowen Fld

Thu 5/7

3:13 pm-8:14 pm

1 stop6h 01m

$387

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 4/15

4:57 pm-2:23 pm

2 stops20h 26m

Boise Air Term. Gowen Fld

Sun 4/19

5:38 pm-10:04 pm

1 stop5h 26m

$416
Quickest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/21

9:00 am-3:10 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Sun 5/24

4:00 pm-7:08 am

2 stops16h 08m

$461
Cheapest one-way
Quickest one-way

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 4/6

1:57 pm-5:04 pm

Nonstop2h 07m

$124

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/21

9:00 am-3:10 pm

1 stop5h 10m

$129

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 4/9

10:00 am-4:23 pm

1 stop5h 23m

$144

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sat 4/18

5:27 pm-4:48 pm

2 stops22h 21m

$197

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 4/8

4:57 pm-4:23 pm

2 stops22h 26m

$243

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/21

3:33 pm-11:03 am

3 stops18h 30m

$716

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 4/15

6:23 pm-10:57 pm

3 stops27h 34m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Sorted by cheapest first

Best time to book a flight from Phoenix-Mesa Gateway to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

What is the cheapest month to book a flight from Phoenix-Mesa Gateway Airport to Idaho?

Currently, October is the cheapest month in which you can book a flight from Phoenix-Mesa Gateway Airport to Idaho (average of $84). Flying from Phoenix-Mesa Gateway Airport to Idaho in December 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 AZA to ID?

Find hourly flight availability from Phoenix-Mesa Gateway to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2026.

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

How much does it cost to fly round-trip from Phoenix-Mesa Gateway Airport to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated April 1, 2026.
See what other customers who have flown with Allegiant Air from Phoenix-Mesa Gateway Airport to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.3
Good
709 reviews

Overall

7.3

Crew

8.1

Food

5.9

Comfort

6.9

Boarding

7.6

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Michael,Feb 2026

PIE - IND

I appreciate the low cost but the seating is ridiculous. So packed it feels dangerous. Actually it was so bad today, I'm going to look for another airline next time I fly.
Allegiant Air
7.3
Good
709 reviews
Allegiant Air
7.3
Good
709 reviews

Overall

7.3

Crew

8.1

Food

5.9

Comfort

6.9

Boarding

7.6

Entertainment

5.5

Reviews

1 / 20
4.0
Okay

Michael,Feb 2026

PIE - IND

I appreciate the low cost but the seating is ridiculous. So packed it feels dangerous. Actually it was so bad today, I'm going to look for another airline next time I fly.

Related info for your journey

Find useful and relevant information for your journey from Phoenix-Mesa Gateway to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix-Mesa Gateway Airport to Idaho?

    There are many flights that can get you from Phoenix-Mesa Gateway Airport to Idaho in 20h 26m. Fly via Allegiant Air to get the fastest option. The distance between Phoenix-Mesa Gateway Airport and Idaho is about 750 mi.

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

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

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

    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 Idaho.

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

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

    Currently, October is the cheapest month in which you can book a flight from Phoenix-Mesa Gateway Airport to Idaho (average of $84). Flying from Phoenix-Mesa Gateway Airport to Idaho in December 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

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Top airline flying from Phoenix-Mesa Gateway to Idaho

Discover the top airline that operate flights from Phoenix-Mesa Gateway to Idaho. 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$82Average$165FlexibilityNo cancel feeOn-time88%

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