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Cheap flights from Phoenix Sky Harbor Intl Airport to Boise from $72

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 Boise departing on 1/10. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:50 am - 1:25 pm
PHX
-
BOI
6h 35m1 stop
Frontier Logo
2:19 pm - 7:19 pm
BOI
-
PHX
29h 00m1 stop
$143Frontier
Thu, Jan 15 - Mon, Jan 19
Southwest Logo
8:55 am - 11:05 am
PHX
-
BOI
2h 10mnonstop
Southwest Logo
1:45 pm - 4:00 pm
BOI
-
PHX
2h 15mnonstop
$156Southwest
Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
11:59 am - 2:22 pm
PHX
-
BOI
2h 23mnonstop
American Airlines Logo
12:37 pm - 2:55 pm
BOI
-
PHX
2h 18mnonstop
$157American Airlines
Wed, Jan 7 - Sat, Jan 10
Multiple Airlines Logo
3:11 pm - 5:29 pm
PHX
-
BOI
2h 18mnonstop
Multiple Airlines Logo
12:07 pm - 8:13 pm
BOI
-
PHX
8h 06m1 stop
$160Multiple Airlines
Sat, Jan 10 - Mon, Jan 12
Frontier Logo
7:00 am - 11:43 am
PHX
-
BOI
4h 43m1 stop
Frontier Logo
12:07 pm - 8:13 pm
BOI
-
PHX
8h 06m1 stop
$163Frontier
Thu, Jan 1 - Mon, Jan 12
Frontier Logo
7:00 am - 11:59 am
PHX
-
BOI
4h 59m1 stop
Frontier Logo
12:38 pm - 12:29 am
BOI
-
PHX
11h 51m1 stop
$164Frontier
Sat, Dec 27 - Thu, Jan 1
Alaska Airlines Logo
3:11 pm - 5:29 pm
PHX
-
BOI
2h 18mnonstop
Alaska Airlines Logo
12:21 pm - 2:29 pm
BOI
-
PHX
2h 08mnonstop
$166Alaska Airlines
Fri, Jan 16 - Tue, Jan 20
Southwest Logo
8:55 am - 11:05 am
PHX
-
BOI
2h 10mnonstop
Southwest Logo
1:30 pm - 7:55 pm
BOI
-
PHX
6h 25m1 stop
$167Southwest
Sat, Jan 10 - Tue, Jan 13
Multiple Airlines Logo
11:00 am - 6:22 pm
PHX
-
BOI
7h 22m1 stop
Multiple Airlines Logo
12:07 pm - 6:24 pm
BOI
-
PHX
6h 17m1 stop
$169Multiple Airlines
Sat, Feb 7 - Mon, Feb 9
Multiple Airlines Logo
3:11 pm - 5:29 pm
PHX
-
BOI
2h 18mnonstop
Multiple Airlines Logo
12:07 pm - 6:24 pm
BOI
-
PHX
6h 17m1 stop
$170Multiple Airlines
Fri, Jan 16 - Mon, Jan 26

Delta flights from Phoenix Sky Harbor Intl Airport to Boise

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Boise flight tickets
Delta
Dec 25
PHX2:14 pmPhoenix Sky Harbor Intl
7h 11m
1 stop
BOI9:25 pmBoise Air Term. Gowen Fld
Dec 31
BOI5:50 amBoise Air Term. Gowen Fld
4h 15m
1 stop
PHX10:05 amPhoenix Sky Harbor Intl
$175
Find similar
Delta
Dec 31
PHX5:37 pmPhoenix Sky Harbor Intl
5h 20m
1 stop
BOI10:57 pmBoise Air Term. Gowen Fld
Jan 10
BOI6:15 pmBoise Air Term. Gowen Fld
4h 24m
1 stop
PHX10:39 pmPhoenix Sky Harbor Intl
$176
Find similar
Delta
Dec 31
PHX5:37 pmPhoenix Sky Harbor Intl
5h 20m
1 stop
BOI10:57 pmBoise Air Term. Gowen Fld
Jan 12
BOI5:40 amBoise Air Term. Gowen Fld
5h 28m
1 stop
PHX11:08 amPhoenix Sky Harbor Intl
$186
Find similar

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Boise

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Boise flight tickets
Alaska Airlines
Jan 16
PHX3:11 pmPhoenix Sky Harbor Intl
2h 18m
BOI5:29 pmBoise Air Term. Gowen Fld
Jan 20
BOI12:21 pmBoise Air Term. Gowen Fld
2h 08m
PHX2:29 pmPhoenix Sky Harbor Intl
$166
Find similar
Alaska Airlines
Jan 1
PHX6:51 pmPhoenix Sky Harbor Intl
5h 06m
1 stop
BOI11:57 pmBoise Air Term. Gowen Fld
Jan 8
BOI4:04 pmBoise Air Term. Gowen Fld
5h 04m
1 stop
PHX9:08 pmPhoenix Sky Harbor Intl
$184
Find similar
Alaska Airlines
Jan 16
PHX3:17 pmPhoenix Sky Harbor Intl
7h 44m
1 stop
BOI11:01 pmBoise Air Term. Gowen Fld
Jan 20
BOI5:55 pmBoise Air Term. Gowen Fld
6h 04m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
$185
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to Boise 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 December 15, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 1/15

6:50 am-1:25 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Mon 1/19

2:19 pm-7:19 pm

1 stop29h 00m

$143

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/10

8:55 am-11:05 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Sat 1/17

1:45 pm-4:00 pm

Nonstop2h 15m

$156

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

11:59 am-2:22 pm

Nonstop2h 23m

Boise Air Term. Gowen Fld

Sat 1/10

12:37 pm-2:55 pm

Nonstop2h 18m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/10

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-8:13 pm

1 stop8h 06m

$160

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 1/1

7:00 am-11:43 am

1 stop4h 43m

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-8:13 pm

1 stop8h 06m

$163

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 12/27

7:00 am-11:59 am

1 stop4h 59m

Boise Air Term. Gowen Fld

Thu 1/1

12:38 pm-12:29 am

1 stop11h 51m

$164

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Tue 1/20

12:21 pm-2:29 pm

Nonstop2h 08m

$166

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 1/10

8:55 am-11:05 am

Nonstop2h 10m

Boise Air Term. Gowen Fld

Tue 1/13

1:30 pm-7:55 pm

1 stop6h 25m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Sat 2/7

11:00 am-6:22 pm

1 stop7h 22m

Boise Air Term. Gowen Fld

Mon 2/9

12:07 pm-6:24 pm

1 stop6h 17m

$169

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Mon 1/26

12:07 pm-6:24 pm

1 stop6h 17m

$170

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 Boise from

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

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 Boise?

The month of September is, on average, the cheapest month to fly to Boise from Phoenix Sky Harbor Intl Airport, with most prices found around $197. If you aren’t able to travel during the month of September, then book flights to Boise from Phoenix Sky Harbor Intl Airport during October instead. Flights to Boise in October, while not as cheap as those in September, still average around $197.

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

Our data shows that Thursday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $241. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $323. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

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

Our data shows that the cheapest Phoenix Sky Harbor Intl Airport to Boise flights are usually those with departure times in the afternoon. Our users have found flights to Boise in the afternoon for as low as $195. At noon is when there is more demand to fly to Boise, so prices are often more expensive at around $283 per ticket.

What is the cheapest Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld flight route?

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

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

You are more likely to see cheaper flights to Boise from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $253 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise 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 Boise Air Term. Gowen Fld flights?

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

How have Phoenix Sky Harbor Intl Airport to Boise flight prices changed over time?

As of December 2025, prices for Phoenix Sky Harbor Intl Airport to Boise flights are approximately 86% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Boise (PHX to BOI) flight deals and tips

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

Best Price Found

$105

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Boise

1 airport
The best one-way flight to Boise from Phoenix Sky Harbor Intl Airport in the past 72 hours is $105. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Boise found on momondo in the last 72 hours is $235.
The fastest flight from Phoenix Sky Harbor Intl Airport to Boise takes 2h 05m
Direct flights go from Phoenix Sky Harbor Intl Airport to Boise every day.
There is 1 airport in Boise. From Phoenix Sky Harbor Intl Airport there are direct flights to Boise Air Term. Gowen Fld (BOI).
Search flight deals

  • How far is Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld by plane?

    Phoenix Sky Harbor Intl and Boise Air Term. Gowen Fld are 738.3 mi apart from one another. A reasonable flight in good conditions will take 2h 05m.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Boise Air Term. Gowen Fld Airport?

    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 Sky Harbor Intl Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Boise?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Boise

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Boise with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $56Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $136Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $144Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $147Free CancellationRating
8.0
11,461 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $156Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Phoenix Sky Harbor Intl Airport to Boise

    The lowest priced Alaska Airlines flight from Phoenix Sky Harbor Intl Airport to Boise from the last 72 hours was $147. Generally, Alaska Airlines has 15 flights on this route every week with an average price of $259. Alaska Airlines is rated 8.0/10 by our users.

  • Southwest Flights From Phoenix Sky Harbor Intl Airport to Boise

    Southwest (7.9/10 from 4,250 reviews) operates around 17 flights from Phoenix Sky Harbor Intl Airport to Boise in any given week. The average Southwest airfare for this route is around $248, with deals from around $144 rare but found on momondo. Referenced prices are for round-trip Phoenix Sky Harbor Intl Airport to Boise flight searches in the last 72 hours.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
McCall
Meridian
Caldwell
Ontario
Eagle

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phoenix to Boise for you.

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

Yes. All flights to Boise 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 Boise?

Once you have performed a search for Phoenix to Boise flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Phoenix to Boise flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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