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

As of March 2026, 129 flights take off from Phoenix and land in Idaho each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.

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

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

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

As of March 2026, 18 flights take off from Phoenix and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 52% of daily flights taking off in the evening.

What airlines fly to Idaho?

American Airlines, Southwest and Alaska Airlines 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 36% 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.

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 March 2026, 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.

$75 Cheap Flights from Phoenix to Idaho in 2026

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Find the cheapest flights from Phoenix to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:50 pm - 10:49 am

PHX

GEG

21h 59m

1 stop

11:44 am - 7:36 am

GEG

PHX

19h 52m

1 stop

$176Frontier

Wed, Apr 29 - Sun, May 3

8:25 pm - 11:30 pm

PHX

BOI

2h 05mnonstop

11:35 am - 7:45 pm

BOI

PHX

9h 10m

1 stop

$182Southwest

Tue, Apr 14 - Wed, Apr 15

4:23 pm - 9:45 pm

PHX

GEG

5h 22m

1 stop

8:12 am - 2:31 pm

GEG

PHX

6h 19m

1 stop

$227Alaska Airlines

Thu, Jun 4 - Wed, Jun 10

10:00 am - 4:23 pm

AZA

BOI

5h 23m

1 stop

5:54 pm - 7:03 pm

BOI

AZA

2h 09mnonstop

$252Allegiant Air

Thu, Apr 2 - Mon, Apr 6

9:35 am - 4:13 pm

PHX

JAC

5h 38m

1 stop

1:15 pm - 3:59 pm

JAC

PHX

3h 44m

1 stop

$311Delta

Tue, May 5 - Tue, May 12

6:40 am - 4:13 pm

PHX

JAC

8h 33m

2 stops

1:15 pm - 6:05 pm

JAC

PHX

5h 50m

1 stop

$316Delta

Tue, May 5 - Tue, May 12

7:59 pm - 1:17 pm

PHX

IDA

16h 18m

2 stops

6:00 am - 12:45 pm

IDA

PHX

7h 45m

1 stop

$385Alaska Airlines

Tue, May 19 - Sun, May 24

9:00 am - 3:10 pm

AZA

BOI

5h 10m

1 stop

3:07 pm - 7:24 pm

BOI

AZA

5h 17m

1 stop

$400Allegiant Air

Thu, May 28 - Thu, Jun 4

8:32 pm - 11:39 pm

PHX

IDA

2h 07mnonstop

7:48 am - 9:05 am

IDA

PHX

2h 17mnonstop

$413American Airlines

Sat, Apr 25 - Mon, Apr 27

6:19 pm - 9:36 pm

PHX

SUN

2h 17mnonstop

7:40 am - 9:07 am

SUN

PHX

2h 27mnonstop

$423American Airlines

Thu, Apr 2 - Mon, Apr 6

Delta flights from Phoenix to Idaho

Our best Delta deals on Phoenix to Idaho flight tickets

Delta

May 2

PHX6:30 amPhoenix Sky Harbor Intl

8h 44m

1 stop

BOI4:14 pmBoise Air Term. Gowen Fld

May 3

BOI7:24 amBoise Air Term. Gowen Fld

8h 19m

1 stop

PHX2:43 pmPhoenix Sky Harbor Intl

$245

Delta

Apr 17

PHX4:40 pmPhoenix Sky Harbor Intl

5h 20m

1 stop

BOI11:00 pmBoise Air Term. Gowen Fld

Apr 20

BOI12:52 pmBoise Air Term. Gowen Fld

4h 11m

1 stop

PHX4:03 pmPhoenix Sky Harbor Intl

$257

Delta

Apr 9

PHX6:15 amPhoenix Sky Harbor Intl

5h 50m

1 stop

BOI1:05 pmBoise Air Term. Gowen Fld

Apr 11

BOI6:00 amBoise Air Term. Gowen Fld

3h 37m

1 stop

PHX8:37 amPhoenix Sky Harbor Intl

$268

American Airlines flights from Phoenix to Idaho

Our best American Airlines deals on Phoenix to Idaho flight tickets

American Airlines

May 2

PHX10:19 amPhoenix Sky Harbor Intl

2h 23m

BOI1:42 pmBoise Air Term. Gowen Fld

May 16

BOI6:26 pmBoise Air Term. Gowen Fld

2h 15m

PHX7:41 pmPhoenix Sky Harbor Intl

$224

American Airlines

May 2

PHX2:35 pmPhoenix Sky Harbor Intl

2h 18m

BOI5:53 pmBoise Air Term. Gowen Fld

May 16

BOI6:26 pmBoise Air Term. Gowen Fld

2h 15m

PHX7:41 pmPhoenix Sky Harbor Intl

$234

American Airlines

Apr 15

PHX8:25 pmPhoenix Sky Harbor Intl

2h 16m

BOI11:41 pmBoise Air Term. Gowen Fld

Apr 22

BOI2:14 pmBoise Air Term. Gowen Fld

2h 11m

PHX3:25 pmPhoenix Sky Harbor Intl

$240

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 4/29

12:50 pm-10:49 am

1 stop21h 59m

Spokane

Sun 5/3

11:44 am-7:36 am

1 stop19h 52m

$176

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 4/14

8:25 pm-11:30 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Wed 4/15

11:35 am-7:45 pm

1 stop9h 10m

$182

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Thu 6/4

4:23 pm-9:45 pm

1 stop5h 22m

Spokane

Wed 6/10

8:12 am-2:31 pm

1 stop6h 19m

$227

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 4/2

10:00 am-4:23 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Mon 4/6

5:54 pm-7:03 pm

Nonstop2h 09m

$252

PhoenixJackson

PHX - JAC

PHXJAC

Phoenix Sky Harbor Intl

Tue 5/5

9:35 am-4:13 pm

1 stop5h 38m

Jackson Hole

Tue 5/12

1:15 pm-3:59 pm

1 stop3h 44m

$311

PhoenixJackson

PHX - JAC

PHXJAC

Phoenix Sky Harbor Intl

Tue 5/5

6:40 am-4:13 pm

2 stops8h 33m

Jackson Hole

Tue 5/12

1:15 pm-6:05 pm

1 stop5h 50m

$316

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 5/19

7:59 pm-1:17 pm

2 stops16h 18m

Idaho Falls Fanning Field

Sun 5/24

6:00 am-12:45 pm

1 stop7h 45m

$385

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

$400

Quickest round-trip

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 4/25

8:32 pm-11:39 pm

Nonstop2h 07m

Idaho Falls Fanning Field

Mon 4/27

7:48 am-9:05 am

Nonstop2h 17m

$413

PhoenixHailey

PHX - SUN

PHXSUN

Phoenix Sky Harbor Intl

Thu 4/2

6:19 pm-9:36 pm

Nonstop2h 17m

Hailey Sun Valley-Friedman

Mon 4/6

7:40 am-9:07 am

Nonstop2h 27m

$423

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 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, January 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 $177. If you don’t want to visit Idaho in January, then you should wait until September to fly from Phoenix, when ticket prices are also cheap, with an average price of $202.

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 $228. On the other hand, Sunday 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 $317.

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 $204. 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 $280 per ticket.

What is the cheapest Phoenix to Idaho flight route?

Fly from Phoenix Sky Harbor Intl 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 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $247 when searching 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 $166 on momondo.

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

There are 3 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

Fastest flight time	2h 00m
Direct flights	Every day
Airports in Idaho	27 airports

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

Direct flights go from Phoenix to Idaho every day.

There are 27 airports in Idaho. From Phoenix there are direct flights to Idaho Falls Fanning Field (IDA), 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 March 2026, 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
Delta	PriceFrom $81	Free Cancellation	Rating 7.9 8,315 reviews	Search Delta flights
Allegiant Air	PriceFrom $82	Free Cancellation	Rating 7.3 711 reviews	Search Allegiant Air flights
Hawaiian Airlines	PriceFrom $124	Free Cancellation	Rating 7.8 2,841 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $137	Free Cancellation	Rating 8.0 4,325 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $151	Free Cancellation	Rating 7.9 12,094 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $156	Free Cancellation	Rating 7.1 11,485 reviews	Search American Airlines flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 9,459 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.