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 9 per day as of June 2026. The most frequent departure time is 7:00PM, with 38% of daily flights leaving in the evening.

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

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

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 67 per week as of June 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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 38% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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 June 2026.

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.

$82 Cheap Flights from Phoenix Sky Harbor Intl Airport to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:27 pm - 12:00 pm

PHX

TWF

12h 33m

1 stop

1:45 pm - 11:24 am

TWF

PHX

22h 39m

1 stop

$185Multiple Airlines

jue., ago. 27 - lun., ago. 31

9:58 pm - 4:05 pm

PHX

IDA

17h 07m

1 stop

10:54 pm - 12:59 pm

IDA

PHX

15h 05m

1 stop

$200Multiple Airlines

jue., ago. 6 - lun., ago. 10

11:44 am - 12:00 pm

PHX

TWF

23h 16m

2 stops

1:45 pm - 11:24 am

TWF

PHX

22h 39m

1 stop

$215Multiple Airlines

jue., ago. 27 - lun., ago. 31

7:37 pm - 10:45 pm

PHX

BOI

2h 08mnonstop

6:49 pm - 10:27 pm

BOI

PHX

4h 38m

1 stop

$247Alaska Airlines

sáb., sep. 19 - mié., sep. 23

7:20 pm - 11:59 pm

PHX

BOI

3h 39m

1 stop

5:45 pm - 10:45 pm

BOI

PHX

6h 00m

1 stop

$249Delta

lun., sep. 7 - mar., sep. 8

5:30 pm - 8:42 pm

PHX

BOI

2h 12mnonstop

5:42 pm - 6:55 pm

BOI

PHX

2h 13mnonstop

$250Alaska Airlines

jue., sep. 3 - mar., sep. 8

8:00 am - 3:05 pm

PHX

BOI

6h 05m

1 stop

4:55 pm - 6:10 pm

BOI

PHX

2h 15mnonstop

$252Southwest

vie., ago. 7 - jue., ago. 13

1:25 pm - 10:00 pm

PHX

BOI

7h 35m

2 stops

1:50 pm - 8:00 pm

BOI

PHX

7h 10m

2 stops

$253Southwest

sáb., ago. 8 - sáb., ago. 15

5:10 pm - 11:59 pm

PHX

BOI

5h 49m

1 stop

6:00 am - 8:44 am

BOI

PHX

3h 44m

1 stop

$258Delta

jue., ago. 27 - dom., ago. 30

8:41 pm - 11:17 pm

PHX

GEG

2h 36mnonstop

6:30 am - 9:14 am

GEG

PHX

2h 44mnonstop

$314American Airlines

mié., jul. 15 - mié., jul. 22

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Delta flights from Phoenix Sky Harbor Intl Airport to Idaho

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

Delta

Sep 7

PHX7:20 pmPhoenix Sky Harbor Intl

3h 39m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Sep 8

BOI5:45 pmBoise Air Term. Gowen Fld

6h 00m

1 stop

PHX10:45 pmPhoenix Sky Harbor Intl

$249

Delta

Aug 27

PHX5:10 pmPhoenix Sky Harbor Intl

5h 49m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Aug 30

BOI6:00 amBoise Air Term. Gowen Fld

3h 44m

1 stop

PHX8:44 amPhoenix Sky Harbor Intl

$258

Delta

Sep 4

PHX4:02 pmPhoenix Sky Harbor Intl

5h 58m

1 stop

BOI11:00 pmBoise Air Term. Gowen Fld

Sep 8

BOI5:45 pmBoise Air Term. Gowen Fld

6h 00m

1 stop

PHX10:45 pmPhoenix Sky Harbor Intl

$274

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho

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

Alaska Airlines

Sep 19

PHX7:37 pmPhoenix Sky Harbor Intl

2h 08m

BOI10:45 pmBoise Air Term. Gowen Fld

Sep 23

BOI6:49 pmBoise Air Term. Gowen Fld

4h 38m

1 stop

PHX10:27 pmPhoenix Sky Harbor Intl

$247

Alaska Airlines

Sep 3

PHX5:30 pmPhoenix Sky Harbor Intl

2h 12m

BOI8:42 pmBoise Air Term. Gowen Fld

Sep 8

BOI5:42 pmBoise Air Term. Gowen Fld

2h 13m

PHX6:55 pmPhoenix Sky Harbor Intl

$250

Alaska Airlines

Aug 28

PHX2:29 pmPhoenix Sky Harbor Intl

8h 15m

1 stop

BOI11:44 pmBoise Air Term. Gowen Fld

Aug 30

BOI3:30 pmBoise Air Term. Gowen Fld

2h 18m

PHX4:48 pmPhoenix Sky Harbor Intl

$256

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

Cheapest round-trip

PhoenixTwin Falls

PHX - TWF

PHXTWF

Phoenix Sky Harbor Intl

jue. 8/27

10:27 pm-12:00 pm

1 stop12h 33m

Twin Falls Joslin

lun. 8/31

1:45 pm-11:24 am

1 stop22h 39m

$185

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

jue. 8/6

9:58 pm-4:05 pm

1 stop17h 07m

Idaho Falls Fanning Field

lun. 8/10

10:54 pm-12:59 pm

1 stop15h 05m

$200

PhoenixTwin Falls

PHX - TWF

PHXTWF

Phoenix Sky Harbor Intl

jue. 8/27

11:44 am-12:00 pm

2 stops23h 16m

Twin Falls Joslin

lun. 8/31

1:45 pm-11:24 am

1 stop22h 39m

$215

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

sáb. 9/19

7:37 pm-10:45 pm

Nonstop2h 08m

Boise Air Term. Gowen Fld

mié. 9/23

6:49 pm-10:27 pm

1 stop4h 38m

$247

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

lun. 9/7

7:20 pm-11:59 pm

1 stop3h 39m

Boise Air Term. Gowen Fld

mar. 9/8

5:45 pm-10:45 pm

1 stop6h 00m

$249

Quickest round-trip

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

jue. 9/3

5:30 pm-8:42 pm

Nonstop2h 12m

Boise Air Term. Gowen Fld

mar. 9/8

5:42 pm-6:55 pm

Nonstop2h 13m

$250

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

vie. 8/7

8:00 am-3:05 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

jue. 8/13

4:55 pm-6:10 pm

Nonstop2h 15m

$252

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

sáb. 8/8

1:25 pm-10:00 pm

2 stops7h 35m

Boise Air Term. Gowen Fld

sáb. 8/15

1:50 pm-8:00 pm

2 stops7h 10m

$253

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

jue. 8/27

5:10 pm-11:59 pm

1 stop5h 49m

Boise Air Term. Gowen Fld

dom. 8/30

6:00 am-8:44 am

1 stop3h 44m

$258

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

mié. 7/15

8:41 pm-11:17 pm

Nonstop2h 36m

Spokane

mié. 7/22

6:30 am-9:14 am

Nonstop2h 44m

$314

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, July 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 $63. If you don’t want to visit Idaho in July, then you should wait until August to fly from Phoenix Sky Harbor Intl Airport, when ticket prices are also cheap, with an average price of $78.

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 $253. On the other hand, Monday 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 $339.

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 $251. 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 $285 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 from Phoenix Sky Harbor Intl Airport 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 $259 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 $192 on momondo.

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

There are 3 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport 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	$187
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 $187. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Idaho found on momondo in the last 72 hours is $295.

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).

Search flight deals

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Idaho

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 June 2026.
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 (40.66% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (29.81%), Boeing 737-800 Passenger/BBJ2 (winglets) (11.84%), and Canadair (Bombardier) Regional Jet 700 (7.99%).

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
Delta	PriceFrom $78	Free Cancellation	Rating 7.9 8,394 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $124	Free Cancellation	Rating 7.8 2,830 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $137	Free Cancellation	Rating 7.9 4,240 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $149	Free Cancellation	Rating 7.9 12,484 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $163	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 9,796 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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Flights to New Yorkfrom $72

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Flights to San Franciscofrom $56

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $58

Flights to Bostonfrom $70

Flights to Atlantafrom $66

Flights to Dallasfrom $82

Flights to Fort Lauderdalefrom $55

Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho from $82

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Delta flights from Phoenix Sky Harbor Intl Airport to Idaho

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

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho

Our best Alaska Airlines 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?

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Idaho?

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

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

What is the cheapest airline that flies 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?

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

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

Frequently asked questions about flying 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?

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

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According to popular flight searches on momondo this year

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