Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Idaho departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Idaho

Cheap round-trip flights

Alaska Airlines Logo
11:45 am - 1:49 pmPHX-BOI
2h 04mnonstop
Alaska Airlines Logo
5:00 pm - 7:15 pmBOI-PHX
2h 15mnonstop
$151Alaska Airlines
Find Deal
Sat, Feb 21 - Sat, Feb 21
Alaska Airlines Logo
10:31 am - 12:52 pmPHX-BOI
2h 21mnonstop
Alaska Airlines Logo
7:35 am - 9:49 amBOI-PHX
2h 14mnonstop
$152Alaska Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Hawaiian Airlines Logo
11:45 am - 1:49 pmPHX-BOI
2h 04mnonstop
Hawaiian Airlines Logo
8:45 am - 11:00 amBOI-PHX
2h 15mnonstop
$157Hawaiian Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
4:20 pm - 7:37 pmPHX-BOI
2h 17mnonstop
American Airlines Logo
5:37 am - 8:05 amBOI-PHX
2h 28mnonstop
$160American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
American Airlines Logo
8:20 pm - 11:32 pmPHX-BOI
2h 12mnonstop
American Airlines Logo
4:40 pm - 5:54 pmBOI-PHX
2h 14mnonstop
$162American Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Southwest Logo
3:25 pm - 10:15 pmPHX-BOI
5h 50m2 stops
Southwest Logo
12:40 pm - 1:40 pmBOI-PHX
2h 00mnonstop
$172Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
7:00 am - 12:18 pmPHX-BOI
5h 18m1 stop
Delta Logo
5:40 am - 11:16 amBOI-PHX
5h 36m1 stop
$177Delta
Find Deal
Sat, Feb 21 - Mon, Feb 23
Southwest Logo
3:25 pm - 10:15 pmPHX-BOI
5h 50m2 stops
Southwest Logo
3:15 pm - 10:00 pmBOI-PHX
7h 45m1 stop
$182Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Hawaiian Airlines Logo
8:13 pm - 11:32 pmPHX-BOI
2h 19mnonstop
Hawaiian Airlines Logo
5:38 pm - 11:40 pmBOI-PHX
7h 02m1 stop
$189Hawaiian Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
2:50 pm - 8:13 pmPHX-BOI
5h 23m1 stop
Delta Logo
8:40 am - 2:01 pmBOI-PHX
5h 21m1 stop
$199Delta
Find Deal
Fri, Jan 16 - Tue, Jan 20

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
Feb 21
PHX7:00 amPhoenix Sky Harbor Intl
5h 18m
1 stop
BOI12:18 pmBoise Air Term. Gowen Fld
Feb 23
BOI5:40 amBoise Air Term. Gowen Fld
5h 36m
1 stop
PHX11:16 amPhoenix Sky Harbor Intl
Delta
Jan 16
PHX2:50 pmPhoenix Sky Harbor Intl
5h 23m
1 stop
BOI8:13 pmBoise Air Term. Gowen Fld
Jan 20
BOI8:40 amBoise Air Term. Gowen Fld
5h 21m
1 stop
PHX2:01 pmPhoenix Sky Harbor Intl
Delta
Feb 20
PHX8:25 pmPhoenix Sky Harbor Intl
3h 56m
1 stop
BOI12:21 amBoise Air Term. Gowen Fld
Feb 24
BOI8:40 amBoise Air Term. Gowen Fld
5h 21m
1 stop
PHX2:01 pmPhoenix Sky Harbor Intl

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
Feb 21
PHX11:45 amPhoenix Sky Harbor Intl
2h 04m
BOI1:49 pmBoise Air Term. Gowen Fld
Feb 21
BOI5:00 pmBoise Air Term. Gowen Fld
2h 15m
PHX7:15 pmPhoenix Sky Harbor Intl
Alaska Airlines
Nov 13
PHX10:31 amPhoenix Sky Harbor Intl
2h 21m
BOI12:52 pmBoise Air Term. Gowen Fld
Nov 16
BOI7:35 amBoise Air Term. Gowen Fld
2h 14m
PHX9:49 amPhoenix Sky Harbor Intl
Alaska Airlines
Nov 13
PHX6:56 pmPhoenix Sky Harbor Intl
5h 03m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Nov 16
BOI7:35 amBoise Air Term. Gowen Fld
2h 14m
PHX9:49 amPhoenix Sky Harbor Intl

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 2/21

11:45 am-1:49 pm

Nonstop2h 04m

Boise Air Term. Gowen Fld

Sat 2/21

5:00 pm-7:15 pm

Nonstop2h 15m

$151

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 11/13

10:31 am-12:52 pm

Nonstop2h 21m

Boise Air Term. Gowen Fld

Sun 11/16

7:35 am-9:49 am

Nonstop2h 14m

$152

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 2/19

11:45 am-1:49 pm

Nonstop2h 04m

Boise Air Term. Gowen Fld

Mon 2/23

8:45 am-11:00 am

Nonstop2h 15m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 10/31

4:20 pm-7:37 pm

Nonstop2h 17m

Boise Air Term. Gowen Fld

Sun 11/2

5:37 am-8:05 am

Nonstop2h 28m

$160

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 10/17

8:20 pm-11:32 pm

Nonstop2h 12m

Boise Air Term. Gowen Fld

Tue 10/21

4:40 pm-5:54 pm

Nonstop2h 14m

$162

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 10/14

3:25 pm-10:15 pm

2 stops5h 50m

Boise Air Term. Gowen Fld

Tue 10/21

12:40 pm-1:40 pm

Nonstop2h 00m

$172

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 2/21

7:00 am-12:18 pm

1 stop5h 18m

Boise Air Term. Gowen Fld

Mon 2/23

5:40 am-11:16 am

1 stop5h 36m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 10/14

3:25 pm-10:15 pm

2 stops5h 50m

Boise Air Term. Gowen Fld

Tue 10/21

3:15 pm-10:00 pm

1 stop7h 45m

$182

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 10/17

8:13 pm-11:32 pm

Nonstop2h 19m

Boise Air Term. Gowen Fld

Tue 10/21

5:38 pm-11:40 pm

1 stop7h 02m

$189

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

2:50 pm-8:13 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Tue 1/20

8:40 am-2:01 pm

1 stop5h 21m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

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

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 July to fly from Phoenix Sky Harbor Intl Airport, when ticket prices are also cheap, with an average price of $217.

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 $230. 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 $300.

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 $202. 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 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 $252 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 $149 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

$78

Fastest flight time

2h 04m

Direct flights

Every day

Airports in Idaho

3 airports
The best one-way flight to Idaho from Phoenix Sky Harbor Intl Airport in the past 72 hours is $78. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Idaho found on momondo in the last 72 hours is $167.
The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho takes 2h 04m
Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho every day.
There are 3 airports near Idaho: Idaho Falls Fanning Field (IDA), Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN)
  • 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?

  • 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?

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 AirPriceFrom $63Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
DeltaPriceFrom $88Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $136Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $151Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $157Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
8,926 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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Fri 10/17
Fri 10/24

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