How many flights depart from Phoenix Sky Harbor Intl Airport to Idaho on average per week?

The number of flights available between Phoenix Sky Harbor Intl Airport and Idaho is 89 per week as of December 2025. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.

How many flights depart from Phoenix Sky Harbor Intl Airport to Idaho on average per day?

The number of flights available between Phoenix Sky Harbor Intl Airport and Idaho is 12 per day as of December 2025. The most frequent departure time is 8:00PM, with 46% of daily flights leaving at noon.

What airlines fly to Idaho?

American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Idaho from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 7 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Phoenix Sky Harbor Intl to Idaho

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho?

The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Idaho is 8 as of December 2025.

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl 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.

$40 Cheap Flights from Phoenix Sky Harbor Intl Airport to Idaho in 2025/26

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:29 am - 12:24 pm

PHX

GEG

2h 55mnonstop

12:03 pm - 12:59 am

GEG

PHX

11h 56m1 stop

$104Frontier

Thu, Jan 22 - Sun, Jan 25

10:29 am - 12:24 pm

PHX

GEG

2h 55mnonstop

7:07 pm - 10:54 pm

GEG

PHX

2h 47mnonstop

$116Frontier

Thu, Jan 22 - Sun, Jan 25

6:00 am - 11:43 am

PHX

BOI

5h 43m1 stop

11:48 am - 6:31 pm

BOI

PHX

6h 43m1 stop

$128Frontier

Thu, Feb 19 - Sun, Feb 22

9:42 am - 12:07 pm

PHX

BOI

2h 25mnonstop

2:52 pm - 5:10 pm

BOI

PHX

2h 18mnonstop

$157American Airlines

Sat, Jan 10 - Sat, Jan 17

3:11 pm - 5:29 pm

PHX

BOI

2h 18mnonstop

7:45 am - 2:00 pm

BOI

PHX

6h 15m1 stop

$167Alaska Airlines

Wed, Jan 7 - Sat, Jan 10

1:10 pm - 5:15 pm

PHX

BOI

4h 05m1 stop

11:50 am - 4:40 pm

BOI

PHX

4h 50m1 stop

$176Southwest

Wed, Jan 7 - Sat, Jan 10

6:20 am - 12:37 pm

PHX

GEG

7h 17m1 stop

6:05 am - 1:50 pm

GEG

PHX

6h 45m1 stop

$185Delta

Fri, Jan 9 - Fri, Jan 23

10:46 am - 2:50 pm

PHX

SUN

4h 04m1 stop

12:55 pm - 5:10 pm

SUN

PHX

4h 15m1 stop

$219Delta

Wed, Jan 14 - Sat, Jan 17

3:17 pm - 7:38 pm

PHX

SUN

28h 21m1 stop

11:56 am - 7:48 pm

SUN

PHX

7h 52m1 stop

$281Alaska Airlines

Thu, Jan 22 - Tue, Jan 27

6:14 pm - 9:31 pm

PHX

SUN

2h 17mnonstop

7:45 am - 9:12 am

SUN

PHX

2h 27mnonstop

$311American Airlines

Mon, Mar 9 - Fri, Mar 13

American Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho flight tickets

American Airlines

Jan 10

PHX9:42 amPhoenix Sky Harbor Intl

2h 25m

BOI12:07 pmBoise Air Term. Gowen Fld

Jan 17

BOI2:52 pmBoise Air Term. Gowen Fld

2h 18m

PHX5:10 pmPhoenix Sky Harbor Intl

$157

Find similar

American Airlines

Feb 20

PHX9:44 amPhoenix Sky Harbor Intl

2h 29m

BOI12:13 pmBoise Air Term. Gowen Fld

Feb 23

BOI12:44 pmBoise Air Term. Gowen Fld

2h 19m

PHX3:03 pmPhoenix Sky Harbor Intl

$205

Find similar

American Airlines

Jan 19

PHX11:51 amPhoenix Sky Harbor Intl

2h 17m

BOI2:08 pmBoise Air Term. Gowen Fld

Jan 20

BOI2:52 pmBoise Air Term. Gowen Fld

2h 18m

PHX5:10 pmPhoenix Sky Harbor Intl

$229

Find similar

Frontier flights from Phoenix Sky Harbor Intl Airport to Idaho

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Idaho flight tickets

Frontier

Feb 26

PHX4:46 pmPhoenix Sky Harbor Intl

2h 51m

GEG6:37 pmSpokane

Mar 1

GEG12:23 pmSpokane

11h 10m

1 stop

PHX12:33 amPhoenix Sky Harbor Intl

$104

Find similar

Frontier

Feb 26

PHX4:46 pmPhoenix Sky Harbor Intl

2h 51m

GEG6:37 pmSpokane

Mar 1

GEG7:32 pmSpokane

3h 04m

PHX11:36 pmPhoenix Sky Harbor Intl

$114

Find similar

Frontier

Feb 26

PHX4:46 pmPhoenix Sky Harbor Intl

2h 51m

GEG6:37 pmSpokane

Mar 1

GEG7:32 pmSpokane

3h 04m

PHX11:36 pmPhoenix Sky Harbor Intl

$116

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Thu 1/22

10:29 am-12:24 pm

Nonstop2h 55m

Spokane

Sun 1/25

12:03 pm-12:59 am

1 stop11h 56m

$104

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Thu 1/22

10:29 am-12:24 pm

Nonstop2h 55m

Spokane

Sun 1/25

7:07 pm-10:54 pm

Nonstop2h 47m

$116

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 2/19

6:00 am-11:43 am

1 stop5h 43m

Boise Air Term. Gowen Fld

Sun 2/22

11:48 am-6:31 pm

1 stop6h 43m

$128

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/10

9:42 am-12:07 pm

Nonstop2h 25m

Boise Air Term. Gowen Fld

Sat 1/17

2:52 pm-5:10 pm

Nonstop2h 18m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Sat 1/10

7:45 am-2:00 pm

1 stop6h 15m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

1:10 pm-5:15 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Sat 1/10

11:50 am-4:40 pm

1 stop4h 50m

$176

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Fri 1/9

6:20 am-12:37 pm

1 stop7h 17m

Spokane

Fri 1/23

6:05 am-1:50 pm

1 stop6h 45m

$185

PhoenixHailey

PHX - SUN

PHXSUN

Phoenix Sky Harbor Intl

Wed 1/14

10:46 am-2:50 pm

1 stop4h 04m

Hailey Sun Valley-Friedman

Sat 1/17

12:55 pm-5:10 pm

1 stop4h 15m

$219

PhoenixHailey

PHX - SUN

PHXSUN

Phoenix Sky Harbor Intl

Thu 1/22

3:17 pm-7:38 pm

1 stop28h 21m

Hailey Sun Valley-Friedman

Tue 1/27

11:56 am-7:48 pm

1 stop7h 52m

$281

PhoenixHailey

PHX - SUN

PHXSUN

Phoenix Sky Harbor Intl

Mon 3/9

6:14 pm-9:31 pm

Nonstop2h 17m

Hailey Sun Valley-Friedman

Fri 3/13

7:45 am-9:12 am

Nonstop2h 27m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl 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

Other information

What is the cheapest month to fly to Idaho?

In general, September is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $197. If you don’t want to visit Idaho in September, then you should wait until October to fly from Phoenix Sky Harbor Intl Airport, when ticket prices are also cheap, with an average price of $197.

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

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $241. On the other hand, Sunday is the most expensive day to depart from Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $323.

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 Sky Harbor Intl Airport to Idaho in the afternoon for as low as $194. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $284 per ticket.

What is the cheapest Phoenix Sky Harbor Intl to Idaho flight route?

Fly from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld for the best Phoenix Sky Harbor Intl - 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 Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $253 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Phoenix Sky Harbor Intl Airport for as low as $157 on momondo.

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

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

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Idaho flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Idaho.

Cheap Phoenix Sky Harbor Intl Airport to Idaho flight deals and tips

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

Best Price Found	$111
Fastest flight time	2h 00m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from Phoenix Sky Harbor Intl Airport in the past 72 hours is $111. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Idaho found on momondo in the last 72 hours is $267.

The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho takes 2h 00m

Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho every day.

There are 27 airports in Idaho. From Phoenix Sky Harbor Intl Airport there are direct flights to Idaho Falls Fanning Field (IDA), Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN).

Search flight deals

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho?
Prices for flights from Phoenix Sky Harbor Intl Airport to Idaho refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho?
The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Idaho is 8 as of December 2025.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl 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 Sky Harbor Intl Airport to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Phoenix Sky Harbor Intl Airport to Idaho is Embraer 175 (36.82% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (16.69%), Canadair (Bombardier) Regional Jet 700 (13.92%), and Boeing 737-800 Passenger/BBJ2 (winglets) (9.78%).

Best airlines flying from Phoenix Sky Harbor Intl Airport to Idaho

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $56	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $136	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $144	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $147	Free Cancellation	Rating 8.0 11,432 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $156	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $247	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Idaho. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Idaho from Phoenix on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Idaho from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Phoenix to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.

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We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Idaho

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Phoenix Sky Harbor Intl Airport flight routes

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Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho from $40

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Big names and deals

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Idaho

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American Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho flight tickets

Frontier flights from Phoenix Sky Harbor Intl Airport to Idaho

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Idaho flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho that are best for you.

See travel insights to Idaho from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Idaho

What is the cheapest month to fly to Idaho?

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

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

What is the cheapest Phoenix Sky Harbor Intl to Idaho flight route?

Fly from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld for the best Phoenix Sky Harbor Intl - Idaho flight prices

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

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

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

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Idaho flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Idaho.

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

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Phoenix Sky Harbor Intl to Idaho

What airlines fly to Idaho?

How many flights depart from Phoenix Sky Harbor Intl Airport to Idaho on average per day?

The number of flights available between Phoenix Sky Harbor Intl Airport and Idaho is 12 per day as of December 2025. The most frequent departure time is 8:00PM, with 46% of daily flights leaving at noon.

How many flights depart from Phoenix Sky Harbor Intl Airport to Idaho on average per week?

The number of flights available between Phoenix Sky Harbor Intl Airport and Idaho is 89 per week as of December 2025. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.

Cheap Phoenix Sky Harbor Intl Airport to Idaho flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho?

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho?

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho?

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

What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Idaho?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Idaho

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Idaho with momondo

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo