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Cheap flights from Boise to Phoenix from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Phoenix departing on 12/7. 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 Boise to Phoenix (BOI-PHX)

Cheap round-trip flights

Southwest Logo
6:15 am - 7:20 amBOI-PHX
2h 05mnonstop
Southwest Logo
9:00 am - 11:10 amPHX-BOI
2h 10mnonstop
$137Southwest
Find Deal
Fri, Oct 31 - Mon, Nov 3
Southwest Logo
12:10 pm - 5:55 pmBOI-PHX
6h 45m1 stop
Southwest Logo
9:00 am - 11:10 amPHX-BOI
2h 10mnonstop
$147Southwest
Find Deal
Fri, Oct 31 - Mon, Nov 3
Delta Logo
5:43 pm - 11:36 pmBOI-PHX
6h 53m1 stop
Delta Logo
3:46 pm - 10:22 pmPHX-BOI
5h 36m1 stop
$157Delta
Find Deal
Mon, Sep 29 - Fri, Oct 3
Hawaiian Airlines Logo
7:35 am - 8:49 amBOI-PHX
2h 14mnonstop
Hawaiian Airlines Logo
7:00 am - 3:12 pmPHX-BOI
7h 12m1 stop
$167Hawaiian Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Hawaiian Airlines Logo
7:01 am - 10:58 amBOI-PHX
4h 57m1 stop
Hawaiian Airlines Logo
7:00 am - 3:12 pmPHX-BOI
7h 12m1 stop
$176Hawaiian Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Delta Logo
4:46 pm - 10:26 pmBOI-PHX
6h 40m1 stop
Delta Logo
5:00 am - 9:17 amPHX-BOI
4h 17m1 stop
$188Delta
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
4:40 pm - 5:54 pmBOI-PHX
2h 14mnonstop
American Airlines Logo
8:20 pm - 11:32 pmPHX-BOI
2h 12mnonstop
$191American Airlines
Find Deal
Tue, Oct 7 - Fri, Oct 10
Alaska Airlines Logo
6:00 am - 9:50 amBOI-PHX
4h 50m1 stop
Alaska Airlines Logo
3:58 pm - 12:08 amPHX-BOI
7h 10m1 stop
$199Alaska Airlines
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Sat, Sep 6 - Sat, Sep 6
Alaska Airlines Logo
6:05 pm - 7:17 pmBOI-PHX
2h 12mnonstop
Alaska Airlines Logo
4:17 pm - 11:34 amPHX-BOI
18h 17m1 stop
$200Alaska Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
American Airlines Logo
1:57 pm - 3:06 pmBOI-PHX
2h 09mnonstop
American Airlines Logo
1:35 pm - 4:52 pmPHX-BOI
2h 17mnonstop
$201American Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22

Alaska Airlines flights from Boise to Phoenix Sky Harbor Intl Airport

Our best Alaska Airlines deals on Boise to Phoenix Sky Harbor Intl Airport flight tickets
Alaska Airlines
Sep 3
BOI6:05 pmBoise Air Term. Gowen Fld
2h 12m
PHX7:17 pmPhoenix Sky Harbor Intl
Sep 6
PHX7:00 amPhoenix Sky Harbor Intl
7h 54m
1 stop
BOI3:54 pmBoise Air Term. Gowen Fld
$189
Find similar
Alaska Airlines
Sep 6
BOI6:00 amBoise Air Term. Gowen Fld
4h 50m
1 stop
PHX9:50 amPhoenix Sky Harbor Intl
Sep 6
PHX3:58 pmPhoenix Sky Harbor Intl
7h 10m
1 stop
BOI12:08 amBoise Air Term. Gowen Fld
$199
Find similar
Alaska Airlines
Oct 3
BOI6:05 pmBoise Air Term. Gowen Fld
2h 12m
PHX7:17 pmPhoenix Sky Harbor Intl
Oct 6
PHX4:17 pmPhoenix Sky Harbor Intl
18h 17m
1 stop
BOI11:34 amBoise Air Term. Gowen Fld
$200
Find similar

American Airlines flights from Boise to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Boise to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Sep 3
BOI1:57 pmBoise Air Term. Gowen Fld
2h 09m
PHX3:06 pmPhoenix Sky Harbor Intl
Sep 6
PHX10:08 amPhoenix Sky Harbor Intl
2h 09m
BOI1:17 pmBoise Air Term. Gowen Fld
$179
Find similar
American Airlines
Oct 7
BOI4:40 pmBoise Air Term. Gowen Fld
2h 14m
PHX5:54 pmPhoenix Sky Harbor Intl
Oct 10
PHX8:20 pmPhoenix Sky Harbor Intl
2h 12m
BOI11:32 pmBoise Air Term. Gowen Fld
$191
Find similar
American Airlines
Sep 19
BOI1:57 pmBoise Air Term. Gowen Fld
2h 09m
PHX3:06 pmPhoenix Sky Harbor Intl
Sep 22
PHX1:35 pmPhoenix Sky Harbor Intl
2h 17m
BOI4:52 pmBoise Air Term. Gowen Fld
$201
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Phoenix Sky Harbor Intl Airport 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 August 27, 2025.
Use the filters below to find and compare flights from Boise to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 10/31

6:15 am-7:20 am

Nonstop2h 05m

Phoenix Sky Harbor Intl

Mon 11/3

9:00 am-11:10 am

Nonstop2h 10m

$137

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 10/31

12:10 pm-5:55 pm

1 stop6h 45m

Phoenix Sky Harbor Intl

Mon 11/3

9:00 am-11:10 am

Nonstop2h 10m

$147

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 9/29

5:43 pm-11:36 pm

1 stop6h 53m

Phoenix Sky Harbor Intl

Fri 10/3

3:46 pm-10:22 pm

1 stop5h 36m

$157

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 10/29

7:35 am-8:49 am

Nonstop2h 14m

Phoenix Sky Harbor Intl

Sat 11/1

7:00 am-3:12 pm

1 stop7h 12m

$167

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 10/29

7:01 am-10:58 am

1 stop4h 57m

Phoenix Sky Harbor Intl

Sat 11/1

7:00 am-3:12 pm

1 stop7h 12m

$176

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 10/30

4:46 pm-10:26 pm

1 stop6h 40m

Phoenix Sky Harbor Intl

Sun 11/2

5:00 am-9:17 am

1 stop4h 17m

$188

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 10/7

4:40 pm-5:54 pm

Nonstop2h 14m

Phoenix Sky Harbor Intl

Fri 10/10

8:20 pm-11:32 pm

Nonstop2h 12m

$191

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 9/6

6:00 am-9:50 am

1 stop4h 50m

Phoenix Sky Harbor Intl

Sat 9/6

3:58 pm-12:08 am

1 stop7h 10m

$199

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 10/3

6:05 pm-7:17 pm

Nonstop2h 12m

Phoenix Sky Harbor Intl

Mon 10/6

4:17 pm-11:34 am

1 stop18h 17m

$200

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 9/19

1:57 pm-3:06 pm

Nonstop2h 09m

Phoenix Sky Harbor Intl

Mon 9/22

1:35 pm-4:52 pm

Nonstop2h 17m

$201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boise to Phoenix Sky Harbor Intl Airport

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 Phoenix Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Boise to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $208. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Boise during the month July is also very affordable. Most momondo users find prices during this month for around $227.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Boise is on a Thursday. momondo users have found tickets for Thursday departures for as low as $352. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $492. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Boise to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $168. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $428. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $287 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Boise for as low as $229 on momondo.

What cabin class options are available on Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl flights?

There are 4 cabin classes available to choose from on Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl 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 Boise to Phoenix Sky Harbor Intl Airport flights?

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

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

As of August 2025, prices for Boise to Phoenix Sky Harbor Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$141

Fastest flight time

2h 00m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Boise in the past 72 hours is $141. The best round-trip flight deal from Boise to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $257.
The fastest flight from Boise to Phoenix Sky Harbor Intl Airport takes 2h 00m
Direct flights go from Boise to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    A flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl will travel around 738.3 mi. 2h 00m is a normal flight duration for this route.

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

    Prices for flights from Boise Air Term. Gowen Fld Airport to Phoenix Sky Harbor Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The required travel and health documents for your Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl Airport. 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 Boise to Phoenix Sky Harbor Intl Airport?

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

Best airlines flying from Boise to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Boise to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $91Free CancellationRating
7.8
2,683 reviews
Search Hawaiian Airlines flights
Spirit AirlinesPriceFrom $102Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $106Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Alaska AirlinesPriceFrom $158Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
American AirlinesPriceFrom $171Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights

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

    Alaska Airlines flight deals from Boise to Phoenix Sky Harbor Intl Airport start from $158 round-trip. Over the 6 Alaska Airlines flights for this route in a normal week, average airfare is usually $300 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Boise to Phoenix Sky Harbor Intl Airport

    $159 is the best Southwest flight deal from Boise to Phoenix Sky Harbor Intl Airport found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $286, however, with flight time and availability significantly affecting the price. Southwest (8.0/10 from 4,241 user reviews) flies into Phoenix Sky Harbor Intl Airport from Boise 13 times in an average week so prices can vary.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Wickenburg
Goodyear
Payson
Apache Junction
Paradise Valley
Avondale
Camp Verde
Fountain Hills
Cave Creek
Litchfield Park

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phoenix from Boise.

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

Flights from Boise to Phoenix 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 Boise to Phoenix?

momondo helps you find the best flight between Boise and Phoenix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Phoenix, momondo offers a useful price alert feature which will track prices for flights to Phoenix from Boise and alert you when they change.

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