HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$51+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
AZA — BOI
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix-Mesa Gateway to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 November 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/27. 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 12/186:27 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Fri 1/910:10 amBOI - AZA
Nonstop2h 16mAllegiant Air
Deal found 11/27$157
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:14 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Mon 1/1210:10 amBOI - AZA
Nonstop2h 16mAllegiant Air
Deal found 11/28$179
This Kiwi.com deal was found by Cheapflights users on 11/27. 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.
Sun 12/146:14 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Fri 1/910:10 amBOI - AZA
Nonstop2h 16mAllegiant Air
Deal found 11/27$196
This Cheapflightsfares deal was found by Cheapflights users on 11/28. 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.
Tue 12/2312:18 pmAZA - BOI
Nonstop2h 12mAllegiant Air
Sat 12/273:36 pmBOI - AZA
Nonstop2h 10mAllegiant Air
Deal found 11/28$329
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:18 pmAZA - BOI
Nonstop2h 12mMultiple Airlines
Sat 12/272:12 pmBOI - AZA
2 stops17h 30mMultiple Airlines
Deal found 11/28$525
This Mytrip deal was found by Cheapflights users on 11/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:27 pmAZA - BOI
Nonstop2h 13mAllegiant Air
Fri 12/263:49 pmBOI - AZA
2 stops16h 53mAllegiant Air
Deal found 11/28$541
This Mytrip deal was found by Cheapflights users on 11/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:27 pmAZA - BOI
2 stops21h 37mAllegiant Air
Tue 12/303:20 pmBOI - AZA
Nonstop2h 10mAllegiant Air
Deal found 11/28$556
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:45 pmAZA - BOI
2 stops21h 02mMultiple Airlines
Sat 12/273:36 pmBOI - AZA
Nonstop2h 10mMultiple Airlines
Deal found 11/28$631

Cheap 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 November 29, 2025.

Round-trip from

$156
(Kiwi.com)

One-way from

$51
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$318

Good round-trip deal

$210 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. 12% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip 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 November 29, 2025.
Use the filters below to find and compare flights from Phoenix-Mesa Gateway Airport to Idaho that are best for you.

Fly from

Phoenix-Mesa Gateway

Fly to

Idaho

Route

Depart

Return

Price

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 2/16

2:38 pm-4:51 pm

Nonstop2h 13m

Boise Air Term. Gowen Fld

Mon 2/23

5:41 pm-7:58 pm

Nonstop2h 17m

$156

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 2/16

2:38 pm-4:51 pm

Nonstop2h 13m

Boise Air Term. Gowen Fld

Fri 2/20

5:41 pm-7:58 pm

Nonstop2h 17m

$161

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 12/11

6:14 pm-8:27 pm

Nonstop2h 13m

$51

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 12/23

12:18 pm-2:30 pm

Nonstop2h 12m

$117

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 12/7

6:14 pm-8:27 pm

Nonstop2h 13m

$139

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 12/1

12:16 pm-2:27 pm

Nonstop2h 11m

$176

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 12/11

8:45 pm-9:51 pm

2 stops25h 06m

$301

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 12/23

10:05 pm-12:52 pm

2 stops14h 47m

$367

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 12/7

11:13 am-9:51 pm

3 stops34h 38m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

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 February is currently the most expensive (average of $209). 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 November 29, 2025.

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.

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 November 29, 2025.
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
7.2
Good
700 reviews

Comfort

6.8

Overall

7.2

Entertainment

5.4

Food

5.9

Boarding

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.
Allegiant Air
7.2
Good
700 reviews
Allegiant Air
7.2
Good
700 reviews

Comfort

6.8

Overall

7.2

Entertainment

5.4

Food

5.9

Boarding

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.

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 2h 13m. Fly via Allegiant Air to get the fastest option. The distance between Phoenix-Mesa Gateway Airport and Idaho is about 750 mi. Most flights are nonstop.

  • 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 February is currently the most expensive (average of $209). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix-Mesa Gateway to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to John F Kennedy Intl flights
Sky Harbor Intl to Newark flights
Sky Harbor Intl to O'Hare Intl flights
Sky Harbor Intl to Seattle flights
Sky Harbor Intl to Fort Lauderdale flights
Sky Harbor Intl to Denver flights
Sky Harbor Intl to Orlando flights
Sky Harbor Intl to Honolulu flights
Sky Harbor Intl to Las Vegas flights
Sky Harbor Intl to LaGuardia flights
Sky Harbor Intl to Atlanta flights
Sky Harbor Intl to Dallas/Fort Worth flights
Sky Harbor Intl to Los Angeles flights
Sky Harbor Intl to Miami flights
Sky Harbor Intl to Ontario flights
Sky Harbor Intl to Hobby flights
Sky Harbor Intl to Dulles Intl flights
Sky Harbor Intl to San Francisco flights
Sky Harbor Intl to Boston flights
Sky Harbor Intl to Minneapolis flights
Sky Harbor Intl to Nashville flights
Sky Harbor Intl to Salt Lake City flights
Sky Harbor Intl to George Bush Intcntl flights
Sky Harbor Intl to Midway flights
Sky Harbor Intl to Kahului flights
Sky Harbor Intl to Austin flights
Sky Harbor Intl to Baltimore flights
Sky Harbor Intl to Tampa flights
Sky Harbor Intl to Santa Ana flights
Sky Harbor Intl to Reagan-National flights
Sky Harbor Intl to Detroit flights
Sky Harbor Intl to Portland flights
Sky Harbor Intl to New Orleans flights
Sky Harbor Intl to Philadelphia flights
Sky Harbor Intl to Kailua-Kona flights
Sky Harbor Intl to St. Louis flights
Sky Harbor Intl to Lihue flights
Sky Harbor Intl to Everett flights
Sky Harbor Intl to Cleveland flights
Sky Harbor Intl to Burbank flights
Sky Harbor Intl to Cincinnati flights
Sky Harbor Intl to Raleigh flights
Sky Harbor Intl to Love Field flights
Sky Harbor Intl to Sacramento flights
Sky Harbor Intl to San Diego flights
Sky Harbor Intl to Boise flights
Phoenix-Mesa Gateway to Las Vegas flights
Sky Harbor Intl to San Antonio flights
Sky Harbor Intl to Reno flights
Sky Harbor Intl to Kansas City flights

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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$82Average$172FlexibilityNo cancel feeOn-time88%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights