How many flights depart from Phoenix to Idaho on average per week?

As of May 2025, 84 flights take off from Phoenix and land in Idaho each week. The most common flight departure day for this route is Mon, with 24% of weekly flights taking off on this day.

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

Allegiant Air, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Phoenix to Idaho

What airlines fly to Idaho?

American Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to Idaho from Phoenix according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 8 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How many flights depart from Phoenix to Idaho on average per day?

As of May 2025, 12 flights take off from Phoenix and land in Idaho each day. The most common flight departure time for this route is 7:00PM, with 49% of daily flights taking off in the evening.

When did momondo last update prices for flights from Phoenix to Idaho?

Prices for flights from Phoenix to Idaho were last updated today.

How many operators does momondo search for flights from Phoenix to Idaho?

As of May 2025, there are 8 operators available to choose from for flights from Phoenix to Idaho.

How old do you have to be to fly from Phoenix to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix 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.

$51 Cheap Flights from Phoenix to Idaho - Save in Minutes

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Phoenix to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

These are some of the best round-trip flight deals from Phoenix to Idaho that have been recently found on momondo from popular airlines, departing in the coming months.

6:41 pm - 9:43 pmAZA-BOI

2h 02mnonstop

10:29 pm - 11:38 pmBOI-AZA

2h 09mnonstop

$93Allegiant Air

Find Deal

Fri, Aug 8 - Fri, Aug 15

12:47 pm - 3:55 pmAZA-BOI

2h 08mnonstop

4:45 pm - 5:54 pmBOI-AZA

2h 09mnonstop

$97Allegiant Air

Find Deal

Fri, May 30 - Mon, Jun 2

5:25 pm - 12:23 amPHX-BOI

5h 58m1 stop

5:45 am - 10:14 amBOI-PHX

5h 29m1 stop

$177Delta

Find Deal

Fri, May 30 - Sun, Jun 1

1:35 pm - 4:40 pmPHX-BOI

2h 05mnonstop

5:10 pm - 6:21 pmBOI-PHX

2h 11mnonstop

$179American Airlines

Find Deal

Wed, May 14 - Tue, May 20

7:38 pm - 10:45 pmPHX-BOI

2h 07mnonstop

5:44 pm - 6:56 pmBOI-PHX

2h 12mnonstop

$187Alaska Airlines

Find Deal

Thu, Jun 12 - Tue, Jun 17

11:10 am - 8:35 pmPHX-BOI

8h 25m1 stop

5:40 am - 8:36 amBOI-PHX

3h 56m1 stop

$188Delta

Find Deal

Wed, Jun 18 - Sun, Jun 22

6:00 am - 12:28 pmPHX-GEG

6h 28m1 stop

6:00 am - 12:55 pmGEG-PHX

6h 55m1 stop

$197Alaska Airlines

Find Deal

Tue, Jul 29 - Thu, Jul 31

1:35 pm - 4:42 pmPHX-BOI

2h 07mnonstop

5:18 pm - 6:25 pmBOI-PHX

2h 07mnonstop

$198American Airlines

Find Deal

Fri, Sep 5 - Sat, Sep 6

9:50 pm - 12:50 amPHX-BOI

2h 00mnonstop

7:00 pm - 10:10 pmBOI-PHX

4h 10m1 stop

$222Southwest

Find Deal

Fri, May 23 - Sun, May 25

7:15 pm - 1:05 amPHX-BOI

4h 50m1 stop

5:30 pm - 6:40 pmBOI-PHX

2h 10mnonstop

$232Southwest

Find Deal

Thu, Jun 12 - Tue, Jun 17

Allegiant Air flights from Phoenix to Idaho

Our best Allegiant Air deals on Phoenix to Idaho flight tickets

Allegiant Air

Aug 8

AZA6:41 pmPhoenix-Mesa Gateway

2h 02m

BOI9:43 pmBoise Air Term. Gowen Fld

Aug 15

BOI10:29 pmBoise Air Term. Gowen Fld

2h 09m

AZA11:38 pmPhoenix-Mesa Gateway

$93

Find similar

Allegiant Air

May 30

AZA12:47 pmPhoenix-Mesa Gateway

2h 08m

BOI3:55 pmBoise Air Term. Gowen Fld

Jun 2

BOI4:45 pmBoise Air Term. Gowen Fld

2h 09m

AZA5:54 pmPhoenix-Mesa Gateway

$97

Find similar

Allegiant Air

May 16

AZA12:47 pmPhoenix-Mesa Gateway

2h 08m

BOI3:55 pmBoise Air Term. Gowen Fld

May 19

BOI4:45 pmBoise Air Term. Gowen Fld

2h 09m

AZA5:54 pmPhoenix-Mesa Gateway

$122

Find similar

Hawaiian Airlines flights from Phoenix to Idaho

Our best Hawaiian Airlines deals on Phoenix to Idaho flight tickets

Hawaiian Airlines

Aug 14

PHX7:38 pmPhoenix Sky Harbor Intl

2h 07m

BOI10:45 pmBoise Air Term. Gowen Fld

Aug 17

BOI5:44 pmBoise Air Term. Gowen Fld

2h 12m

PHX6:56 pmPhoenix Sky Harbor Intl

$157

Find similar

Hawaiian Airlines

Jul 28

PHX7:05 amPhoenix Sky Harbor Intl

6h 59m

1 stop

BOI3:04 pmBoise Air Term. Gowen Fld

Jul 31

BOI5:43 pmBoise Air Term. Gowen Fld

7h 11m

1 stop

PHX11:54 pmPhoenix Sky Harbor Intl

$206

Find similar

Hawaiian Airlines

May 30

PHX10:31 amPhoenix Sky Harbor Intl

2h 09m

BOI1:40 pmBoise Air Term. Gowen Fld

Jun 6

BOI12:20 pmBoise Air Term. Gowen Fld

2h 07m

PHX1:27 pmPhoenix Sky Harbor Intl

$217

Find similar

How to get the cheapest flight ticket from Phoenix 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

Other information

What is the cheapest month to fly to Idaho?

In general, September is the cheapest month to fly from Phoenix to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $219. If you don’t want to visit Idaho in September, then you should wait until October to fly from Phoenix, when ticket prices are also cheap, with an average price of $230.

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 $267. On the other hand, Monday is the most expensive day to depart from Phoenix because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $349.

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 to Idaho in the afternoon for as low as $255. 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 evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $282 per ticket.

What is the cheapest Phoenix to Idaho flight route?

Fly from Phoenix-Mesa Gateway to Boise Air Term. Gowen Fld for the best Phoenix - Idaho flight prices

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Phoenix when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $270 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Phoenix for as low as $197 on momondo.

What cabin class options are available on Phoenix to Idaho flights?

There are 4 cabin classes available to choose from on Phoenix to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Phoenix to Idaho flight deals and tips

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

Best Price Found	$51
Fastest flight time	2h 00m
Direct flights	Every day
Airports in Idaho	2 airports

The best one-way flight to Idaho from Phoenix in the past 72 hours is $51. The best round-trip flight deal from Phoenix to Idaho found on momondo in the last 72 hours is $93.

The fastest flight from Phoenix to Idaho takes 2h 00m

Direct flights go from Phoenix to Idaho every day.

There are 2 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from Phoenix to Idaho?
Prices for flights from Phoenix to Idaho were last updated today.
How many operators does momondo search for flights from Phoenix to Idaho?
As of May 2025, there are 8 operators available to choose from for flights from Phoenix to Idaho.
How old do you have to be to fly from Phoenix to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix 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.

Best airlines flying from Phoenix to Idaho

Compare and see reviews for airlines that fly from Phoenix to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $78	Free Cancellation	Rating 7.3 734 reviews	Search Allegiant Air flights
Spirit Airlines	PriceFrom $92	Free Cancellation	Rating 6.3 7,963 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $151	Free Cancellation	Rating 8.0 9,972 reviews	Search Alaska Airlines flights
Delta	PriceFrom $158	Free Cancellation	Rating 8.0 7,934 reviews	Search Delta flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $171	Free Cancellation	Rating 8.0 4,294 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $177	Free Cancellation	Rating 7.9 2,408 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 8,696 reviews	Search United Airlines flights

Why use momondo?

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

Finding the right flight to Idaho from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Idaho.

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

Price alerts on flights to Idaho from Phoenix are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.