In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

If weather is an important factor for your trip to Idaho, 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).

How far in advance should I book a flight from Phoenix-Mesa Gateway Airport to Idaho?

Travelers have found it’s best to book a flight 56 days in advance to save up to 125% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Phoenix-Mesa Gateway Airport to Idaho 1-2 weeks in advance for as low as $282, or $521 for flights within the next 24 hours.

What is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Idaho?

September is one of the best times of the year to fly to Idaho from Phoenix-Mesa Gateway Airport. Prices for September average $262 per person but you can even find prices for as low as $113. The most expensive prices can be found in the month of December. Opting for a September flight can save you 17% on your journey compared to booking in December

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.

$51+ Flights from Phoenix-Mesa Gateway Airport to Idaho

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Cheap flight deals from Phoenix-Mesa Gateway to Idaho

Round-trip from	$253 (Mytrip)
One-way from	$51 (Gotogate)
Popular in	December
Cheapest in	September
Average price	$262
Good round-trip deal	$225 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. 5% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Phoenix-Mesa Gateway to Idaho.

Search Deals

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 July 2, 2025.

Sat 8/308:47 pmAZA - BOI

2 stops20h 11mAllegiant Air

Mon 9/110:29 pmBOI - AZA

Nonstop2h 09mAllegiant Air

Deal found 7/1

$253

Mon 7/146:39 pmAZA - BOI

Nonstop2h 02mMultiple Airlines

Fri 7/187:48 pmBOI - AZA

3 stops20h 02mMultiple Airlines

Deal found 7/1

$307

Best flights from Phoenix-Mesa Gateway to Idaho
Discover carefully curated flight deals from Phoenix-Mesa Gateway to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Sat 8/308:47 pmAZA - BOI

2 stops20h 11mAllegiant Air

Mon 9/110:29 pmBOI - AZA

Nonstop2h 09mAllegiant Air

Deal found 7/1

$253

Mon 7/146:39 pmAZA - BOI

Nonstop2h 02mMultiple Airlines

Fri 7/187:48 pmBOI - AZA

3 stops20h 02mMultiple Airlines

Deal found 7/1

$307

Last-minute flights from Phoenix-Mesa Gateway to Idaho
Discover last-minute flight deals from Phoenix-Mesa Gateway to Idaho. Data last updated July 2, 2025 and is based on user searches.

Mon 7/146:39 pmAZA - BOI

Nonstop2h 02mMultiple Airlines

Fri 7/187:48 pmBOI - AZA

3 stops20h 02mMultiple Airlines

Deal found 7/1

$307

Sat 8/308:47 pmAZA - BOI

2 stops20h 11mAllegiant Air

Mon 9/110:29 pmBOI - AZA

Nonstop2h 09mAllegiant Air

Deal found 7/1

$253

One-way flights from Phoenix-Mesa Gateway to Idaho
Search for one-way flight options from Phoenix-Mesa Gateway to Idaho. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Mon 9/84:08 pmAZA - BOI

Nonstop2h 02mAllegiant Air

Deal found 6/30

$51

Thu 9/255:24 pmAZA - BOI

2 stops25h 57mMultiple Airlines

Deal found 6/30

$195

Cheapflights Fare Finder

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

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

$253

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 7/14

6:39 pm-9:41 pm

Nonstop2h 02m

Boise Air Term. Gowen Fld

Fri 7/18

7:48 pm-2:50 pm

3 stops20h 02m

$307

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 10/31

12:14 pm-3:19 pm

Nonstop2h 05m

$51

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 10/8

8:10 am-2:57 pm

1 stop5h 47m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $314). Flying from Phoenix-Mesa Gateway Airport to Idaho in June is currently the most expensive (average of $398). 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?

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

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

709 reviews

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

709 reviews

Allegiant Air

7.2

Good

709 reviews

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

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 $314). Flying from Phoenix-Mesa Gateway Airport to Idaho in June is currently the most expensive (average of $398). 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

Alternative routes for Phoenix-Mesa Gateway to Idaho

Sky Harbor Intl to O'Hare Intl flights

Sky Harbor Intl to Seattle flights

Sky Harbor Intl to John F Kennedy Intl flights

Sky Harbor Intl to San Francisco flights

Sky Harbor Intl to Newark flights

Sky Harbor Intl to Las Vegas flights

Sky Harbor Intl to Los Angeles flights

Sky Harbor Intl to Denver flights

Sky Harbor Intl to San Diego flights

Sky Harbor Intl to Midway flights

Sky Harbor Intl to Honolulu flights

Sky Harbor Intl to Minneapolis flights

Sky Harbor Intl to Boston flights

Sky Harbor Intl to Dallas/Fort Worth flights

Sky Harbor Intl to Atlanta flights

Sky Harbor Intl to Miami flights

Sky Harbor Intl to Orlando flights

Sky Harbor Intl to LaGuardia flights

Sky Harbor Intl to Hobby flights

Sky Harbor Intl to Detroit flights

Sky Harbor Intl to Santa Ana flights

Sky Harbor Intl to Portland flights

Sky Harbor Intl to Everett flights

Sky Harbor Intl to Salt Lake City flights

Sky Harbor Intl to Ontario flights

Sky Harbor Intl to George Bush Intcntl flights

Sky Harbor Intl to Spokane flights

Sky Harbor Intl to Baltimore flights

Sky Harbor Intl to Reno flights

Sky Harbor Intl to Nashville flights

Sky Harbor Intl to Philadelphia flights

Sky Harbor Intl to Reagan-National flights

Sky Harbor Intl to Tampa flights

Sky Harbor Intl to Dulles Intl flights

Sky Harbor Intl to Kahului flights

Sky Harbor Intl to Fort Lauderdale flights

Sky Harbor Intl to Cleveland flights

Sky Harbor Intl to Milwaukee flights

Sky Harbor Intl to Sacramento flights

Sky Harbor Intl to Lihue flights

Sky Harbor Intl to St. Louis flights

Sky Harbor Intl to San Jose flights

Sky Harbor Intl to Raleigh flights

Sky Harbor Intl to Austin flights

Sky Harbor Intl to Love Field flights

Sky Harbor Intl to Kailua-Kona flights

Sky Harbor Intl to Charlotte flights

Sky Harbor Intl to Pittsburgh flights

Sky Harbor Intl to Anchorage flights

Sky Harbor Intl to Kansas City flights

Complete your trip

Idaho car rentals

Boise Air Term. Gowen Fld Airport car rentals

Idaho Falls Fanning Field Airport car rentals

Hailey Sun Valley-Friedman Airport car rentals

Lewiston Nez Perce Rgnl Airport car rentals

Twin Falls Joslin Airport car rentals

Pocatello Airport car rentals

Boise car rentals

Idaho Falls car rentals

Twin Falls car rentals

Lewiston car rentals

Top airline flying from Phoenix-Mesa Gateway to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$100	Average$194	FlexibilityNo cancel fee	On-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.

$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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 2, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from Phoenix-Mesa Gateway to Idaho

Cheapest flights from Phoenix-Mesa Gateway to IdahoExplore 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 July 2, 2025.

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 July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix-Mesa Gateway Airport to Idaho that are best for you.

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.

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?

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 July 2, 2025.

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 July 2, 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.

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.

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

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

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

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

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.

Top airline flying from Phoenix-Mesa Gateway to Idaho

100% Free

Book with Flexibility

Travel Smart

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 July 2, 2025.