HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$47+ Cheap flights from Phoenix to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phoenix to Boise Air Term. Gowen Fld are usually found in September or July, booked 88 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Phoenix to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$155
(Alaska Airlines)

One-way from

$47
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$235
From Phoenix to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Phoenix to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Phoenix to Boise

Cheapest flights from Phoenix to Boise
Explore the most affordable flight options available from Phoenix to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:59 pmPHX - BOI
Nonstop2h 16mAlaska Airlines
Sun 12/76:07 pmBOI - PHX
Nonstop2h 10mAlaska Airlines
Deal found 10/30$156
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:44 pmPHX - BOI
Nonstop2h 15mAlaska Airlines
Fri 11/286:57 pmBOI - PHX
Nonstop2h 05mAlaska Airlines
Deal found 10/30$157
This Expedia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:00 amPHX - BOI
1 stop4h 49mMultiple Airlines
Tue 12/94:20 pmBOI - PHX
1 stop4h 55mMultiple Airlines
Deal found 10/29$165
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:50 amPHX - BOI
Nonstop2h 10mSouthwest
Mon 1/2610:45 amBOI - PHX
2 stops9h 10mSouthwest
Deal found 10/30$170
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:02 amPHX - BOI
1 stop6h 40mAlaska Airlines
Sat 12/63:39 pmBOI - PHX
1 stop7h 12mAlaska Airlines
Deal found 10/30$176
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:12 pmPHX - BOI
1 stop8h 08mDelta
Sat 12/135:58 pmBOI - PHX
1 stop5h 57mDelta
Deal found 10/29$177
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:35 pmPHX - BOI
1 stop7h 35mSouthwest
Sun 12/74:00 pmBOI - PHX
2 stops6h 35mSouthwest
Deal found 10/28$182
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:04 amPHX - BOI
Nonstop2h 34mAmerican Airlines
Sat 12/62:09 pmBOI - PHX
Nonstop2h 21mAmerican Airlines
Deal found 10/30$183
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:15 amPHX - BOI
2 stops5h 45mSouthwest
Tue 12/165:15 amBOI - PHX
2 stops6h 10mSouthwest
Deal found 10/30$187
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:10 pmPHX - BOI
1 stop7h 46mAlaska Airlines
Tue 12/97:25 amBOI - PHX
2 stops12h 28mAlaska Airlines
Deal found 10/29$195
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amAZA - BOI
Nonstop2h 11mAllegiant Air
Mon 12/13:17 pmBOI - AZA
Nonstop2h 07mAllegiant Air
Deal found 10/30$204
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:14 pmAZA - BOI
Nonstop2h 05mAllegiant Air
Fri 10/319:54 pmBOI - AZA
Nonstop2h 05mAllegiant Air
Deal found 10/30$213

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Phoenix to Boise that are best for you.

Fly from

Phoenix

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/9

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Mon 1/12

12:21 pm-2:29 pm

Nonstop2h 08m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 12/12

10:48 am-1:12 pm

Nonstop2h 24m

Boise Air Term. Gowen Fld

Tue 12/16

7:35 am-10:06 am

Nonstop2h 31m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Wed 1/21

12:21 pm-2:29 pm

Nonstop2h 08m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 11/21

9:44 pm-11:59 pm

Nonstop2h 15m

Boise Air Term. Gowen Fld

Fri 11/28

6:57 pm-9:02 pm

Nonstop2h 05m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 12/4

8:59 pm-11:15 pm

Nonstop2h 16m

Boise Air Term. Gowen Fld

Sun 12/7

7:35 am-10:06 am

Nonstop2h 31m

$157

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 1/6

4:41 pm-11:59 pm

1 stop7h 18m

Boise Air Term. Gowen Fld

Sun 1/11

12:21 pm-2:29 pm

Nonstop2h 08m

$163

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/16

3:17 pm-11:01 pm

1 stop7h 44m

Boise Air Term. Gowen Fld

Tue 1/20

12:21 pm-2:29 pm

Nonstop2h 08m

$165

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Tue 1/27

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Tue 1/27

4:04 pm-9:15 pm

1 stop5h 11m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 1/23

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Wed 1/28

1:55 pm-7:48 pm

1 stop5h 53m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 1/8

7:40 am-12:54 pm

1 stop5h 14m

Boise Air Term. Gowen Fld

Sun 1/11

5:40 am-10:48 am

1 stop5h 08m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Phoenix to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Boise

How far ahead should I book a flight from Phoenix to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Boise. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Boise, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix to Boise?

Currently, August is the cheapest month in which you can book a flight from Phoenix to Boise (average of $115). Flying from Phoenix to Boise in May is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to BOI?

Find hourly flight availability from Phoenix to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Phoenix to Boise is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% on airfare.

What is the cheapest day to fly from Phoenix to Boise?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Boise. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Phoenix to Boise flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Phoenix to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,220 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,798 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,034 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Phoenix?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly into when you book flights from Phoenix to Boise. 6 airlines have flights to Air Term. Gowen Fld from Phoenix on a regular basis. Booking flights from Phoenix to Boise Air Term. Gowen Fld should not be difficult; the airport handles an average of 3 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to Boise?

    Airlines like Alaska Airlines and Allegiant Air fly from Phoenix to Boise in about 2h 11m. The time it takes to get you to your destination is usually consistent. Phoenix and Boise are separated by a distance of 750 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Phoenix to Boise round-trip?

    Cheapflights users have booked flights from Phoenix to Boise round-trip from $56. Other airlines that can offer you cheap pricing are Delta, from $88, and Hawaiian Airlines, from $136. These flights start at 77% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Phoenix to Boise one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $49. Users have also found prices from $77 and $77 on Southwest and Alaska Airlines, respectively.

  • What are the most reliable airlines from Phoenix to Boise?

    No one likes to see their flight delayed. When booking a flight from Phoenix to Boise consider choosing Horizon Air (93%), American Airlines (82%) or Alaska Airlines (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Phoenix to Boise?

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Phoenix Sky Harbor Intl - Boise Air Term. Gowen Fld) can be booked for $139 on average, our data indicates $232 when flying from Phoenix to Boise.

  • Can I find deals for flights from Phoenix to Boise that include hotel bookings?

    Yes. In addition to deals on Phoenix to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Boise.

  • Can I find deals for business class flights from Phoenix to Boise?

    Yes. Cheapflights offers flight deals from Phoenix to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Boise?

    Currently, August is the cheapest month in which you can book a flight from Phoenix to Boise (average of $115). Flying from Phoenix to Boise in May is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Boise

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Spokane flights
Sky Harbor Intl to Boise flights
Las Vegas to Boise flights
Sky Harbor Intl to Jackson flights
Phoenix-Mesa Gateway to Boise flights
Las Vegas to Spokane flights
Tucson to Spokane flights
Sky Harbor Intl to Idaho Falls flights
Tucson to Boise flights
Sky Harbor Intl to Hailey flights
Las Vegas to Idaho Falls flights
Tucson to Idaho Falls flights
Las Vegas to Jackson flights
Tucson to Jackson flights
Las Vegas to Pocatello flights
Las Vegas to Lewiston flights
Las Vegas to Hailey flights
Las Vegas to West Yellowstone flights
Sky Harbor Intl to Lewiston flights
Sky Harbor Intl to Pocatello flights
Sky Harbor Intl to West Yellowstone flights
Sky Harbor Intl to Twin Falls flights

Top 6 airlines flying from Phoenix to Boise

Discover the top 6 airlines that operate flights from Phoenix to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$153FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$211FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$206FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$148Average$249FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$154Average$247FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$157Average$279FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.