What is the cheapest airline that flies from Phoenix-Mesa Gateway to Idaho?

Allegiant Air is the most popular carrier operating from Phoenix-Mesa Gateway to Idaho

When did momondo last update prices for flights from Phoenix-Mesa Gateway Airport to Idaho?

Prices for flights from Phoenix-Mesa Gateway Airport to Idaho were last updated today.

How many operators does momondo search for flights from Phoenix-Mesa Gateway Airport to Idaho?

There is 1 operator available for flights from Phoenix-Mesa Gateway Airport to Idaho as of May 2026.

How old do you have to be to fly from Phoenix-Mesa Gateway Airport to Idaho?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix-Mesa Gateway Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$134 Cheap Flights from Phoenix-Mesa Gateway Airport to Idaho in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix-Mesa Gateway Airport to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 3:10 pm

AZA

BOI

5h 10m

1 stop

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$344Allegiant Air

Thu, May 28 - Thu, Jun 4

9:00 am - 3:10 pm

AZA

BOI

5h 10m

1 stop

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$348Allegiant Air

Sun, May 31 - Thu, Jun 4

9:00 am - 3:10 pm

AZA

BOI

5h 10m

1 stop

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$353Allegiant Air

Thu, May 28 - Thu, Jun 4

7:57 am - 1:17 pm

AZA

BOI

28h 20m

2 stops

3:07 pm - 10:46 pm

BOI

AZA

8h 39m

1 stop

$402Allegiant Air

Fri, Jun 5 - Sun, Jun 21

6:05 am - 12:38 pm

AZA

BOI

29h 33m

2 stops

3:07 pm - 10:46 pm

BOI

AZA

8h 39m

1 stop

$436Multiple Airlines

Sat, Jun 6 - Sun, Jun 14

7:57 am - 1:17 pm

AZA

BOI

28h 20m

2 stops

3:07 pm - 10:46 pm

BOI

AZA

8h 39m

1 stop

$439Allegiant Air

Fri, Jun 5 - Thu, Jun 11

8:30 am - 12:30 pm

AZA

BOI

27h 00m

2 stops

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$485Multiple Airlines

Mon, Jun 1 - Thu, Jun 4

8:30 am - 12:30 pm

AZA

BOI

27h 00m

2 stops

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$539Multiple Airlines

Mon, Jun 1 - Sun, Jun 7

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Allegiant Air flights from Phoenix-Mesa Gateway Airport to Idaho

Our best Allegiant Air deals on Phoenix-Mesa Gateway Airport to Idaho flight tickets

Allegiant Air

May 28

AZA9:00 amPhoenix-Mesa Gateway

5h 10m

1 stop

BOI3:10 pmBoise Air Term. Gowen Fld

Jun 4

BOI3:07 pmBoise Air Term. Gowen Fld

5h 17m

1 stop

AZA7:24 pmPhoenix-Mesa Gateway

$344

Allegiant Air

May 31

AZA9:00 amPhoenix-Mesa Gateway

5h 10m

1 stop

BOI3:10 pmBoise Air Term. Gowen Fld

Jun 4

BOI3:07 pmBoise Air Term. Gowen Fld

5h 17m

1 stop

AZA7:24 pmPhoenix-Mesa Gateway

$348

Allegiant Air

May 28

AZA9:00 amPhoenix-Mesa Gateway

5h 10m

1 stop

BOI3:10 pmBoise Air Term. Gowen Fld

Jun 4

BOI3:07 pmBoise Air Term. Gowen Fld

5h 17m

1 stop

AZA7:24 pmPhoenix-Mesa Gateway

$353

momondo 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

Cheapest round-trip

Quickest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/28

9:00 am-3:10 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Thu 6/4

3:07 pm-7:24 pm

1 stop5h 17m

$344

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 5/31

9:00 am-3:10 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Thu 6/4

3:07 pm-7:24 pm

1 stop5h 17m

$348

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 5/28

9:00 am-3:10 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Thu 6/4

3:07 pm-7:24 pm

1 stop5h 17m

$353

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 6/5

7:57 am-1:17 pm

2 stops28h 20m

Boise Air Term. Gowen Fld

Sun 6/21

3:07 pm-10:46 pm

1 stop8h 39m

$402

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sat 6/6

6:05 am-12:38 pm

2 stops29h 33m

Boise Air Term. Gowen Fld

Sun 6/14

3:07 pm-10:46 pm

1 stop8h 39m

$436

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 6/5

7:57 am-1:17 pm

2 stops28h 20m

Boise Air Term. Gowen Fld

Thu 6/11

3:07 pm-10:46 pm

1 stop8h 39m

$439

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 6/1

8:30 am-12:30 pm

2 stops27h 00m

Boise Air Term. Gowen Fld

Thu 6/4

3:07 pm-7:24 pm

1 stop5h 17m

$485

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 6/1

8:30 am-12:30 pm

2 stops27h 00m

Boise Air Term. Gowen Fld

Sun 6/7

3:07 pm-7:24 pm

1 stop5h 17m

$539

Cheapest one-way

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 9/6

8:20 am-4:28 pm

1 stop7h 08m

$145

Quickest one-way

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 5/31

9:00 am-3:10 pm

1 stop5h 10m

$186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix-Mesa Gateway Airport to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, October is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $82. If you don’t want to visit Idaho in October, then you should wait until September to fly from Phoenix-Mesa Gateway Airport, when ticket prices are also cheap, with an average price of $85.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $110. On the other hand, Monday is the most expensive day to depart from Phoenix-Mesa Gateway Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $186.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Phoenix-Mesa Gateway Airport to Idaho in the afternoon for as low as $110. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $279 per ticket.

What is the cheapest Phoenix-Mesa Gateway to Idaho flight route?

Fly from Phoenix-Mesa Gateway to Idaho Falls Fanning Field for the best Phoenix-Mesa Gateway - Idaho flight prices

Cheap Phoenix-Mesa Gateway Airport to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix-Mesa Gateway Airport to Idaho

Best Price Found	$80
Fastest flight time	2h 09m
Direct flights	None

The best one-way flight to Idaho from Phoenix-Mesa Gateway Airport in the past 72 hours is $80. The best round-trip flight deal from Phoenix-Mesa Gateway Airport to Idaho found on momondo in the last 72 hours is $183.

The fastest flight from Phoenix-Mesa Gateway Airport to Idaho takes 2h 09m

There are no direct flights from Phoenix-Mesa Gateway Airport to Idaho. There are no popular flight routes from Phoenix-Mesa Gateway Airport to Idaho.

Search flight deals

Frequently asked questions about flying from Phoenix-Mesa Gateway Airport to Idaho

When did momondo last update prices for flights from Phoenix-Mesa Gateway Airport to Idaho?
Prices for flights from Phoenix-Mesa Gateway Airport to Idaho were last updated today.
How many operators does momondo search for flights from Phoenix-Mesa Gateway Airport to Idaho?
There is 1 operator available for flights from Phoenix-Mesa Gateway Airport to Idaho as of May 2026.
How old do you have to be to fly from Phoenix-Mesa Gateway Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix-Mesa Gateway Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Phoenix-Mesa Gateway Airport to Idaho?
momondo data reveals that the most frequently booked plane model on the route from Phoenix-Mesa Gateway Airport to Idaho is Airbus A320-100/200, representing 51.22% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 9.76%, Canadair (Bombardier) Regional Jet 700 at 9.76%, and Embraer 175 at 7.32%.

Best airlines flying from Phoenix-Mesa Gateway Airport to Idaho

Compare and see reviews for airlines that fly from Phoenix-Mesa Gateway Airport to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $82	Free Cancellation	Rating 7.3 707 reviews		Search Allegiant Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Idaho?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Phoenix.

Can I find flights from Phoenix to Idaho with flexible booking policies on momondo?

Flights from Phoenix to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Phoenix to Idaho?

Once you have performed a search for Phoenix to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Phoenix to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Phoenix and alert you when they change.