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$70+ Cheap flights from Sky Harbor Intl (PHX) 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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

Cheap flight deals from Sky Harbor Intl to Boise

Cheapest flights from Sky Harbor Intl to Boise
Explore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/9. 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.
Thu 12/187:00 amPHX - BOI
1 stop4h 43mMultiple Airlines
Mon 1/56:45 pmBOI - PHX
Nonstop2h 11mMultiple Airlines
Deal found 12/9$195
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 12/318:20 amPHX - BOI
1 stop15h 39mAlaska Airlines
Wed 1/712:21 pmBOI - PHX
Nonstop2h 08mAlaska Airlines
Deal found 12/10$210
This Expedia deal was found by Cheapflights users on 12/9. 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.
Thu 12/187:00 amPHX - BOI
1 stop4h 43mFrontier
Fri 1/912:07 pmBOI - PHX
1 stop8h 06mFrontier
Deal found 12/9$222
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/189:38 pmPHX - BOI
Nonstop2h 21mAlaska Airlines
Wed 1/712:21 pmBOI - PHX
Nonstop2h 08mAlaska Airlines
Deal found 12/9$245
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/308:36 pmPHX - BOI
1 stop27h 23mAlaska Airlines
Tue 1/66:45 pmBOI - PHX
Nonstop2h 11mAlaska Airlines
Deal found 12/9$250
This Expedia deal was found by Cheapflights users on 12/9. 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 12/127:00 amPHX - BOI
1 stop4h 49mMultiple Airlines
Tue 1/62:39 pmBOI - PHX
1 stop7h 39mMultiple Airlines
Deal found 12/9$254
This Delta deal was found by Cheapflights users on 12/9. 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.
Tue 12/306:35 amPHX - BOI
1 stop5h 27mDelta
Tue 1/65:15 pmBOI - PHX
1 stop6h 39mDelta
Deal found 12/9$258
This Expedia deal was found by Cheapflights users on 12/11. 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.
Wed 12/312:43 pmPHX - BOI
Nonstop2h 19mMultiple Airlines
Sun 1/412:38 pmBOI - PHX
1 stop19h 43mMultiple Airlines
Deal found 12/11$261

Find flight deals from Sky Harbor Intl to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$128
(Frontier)

One-way from

$70
(Expedia)

Popular in

December

Cheapest in

September

Average price

$368

Good round-trip deal

$267 or less

Good one-way deal

$111 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Boise Air Term. Gowen Fld flights.
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From Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 December 12, 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

Sky Harbor Intl

Fly to

Boise

Route

Depart

Return

Price

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

3:11 pm-5:29 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Sat 1/10

7:45 am-2:00 pm

1 stop6h 15m

$167

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Wed 1/7

1:10 pm-5:15 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Fri 1/9

6:40 am-9:00 am

Nonstop2h 20m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 2/5

9:42 am-12:07 pm

Nonstop2h 25m

Boise Air Term. Gowen Fld

Sun 2/8

12:37 pm-2:55 pm

Nonstop2h 18m

$177

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

5:55 pm-11:59 pm

1 stop6h 04m

$177

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

3:50 pm-7:40 pm

1 stop3h 50m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 2/13

7:52 pm-10:09 pm

Nonstop2h 17m

Boise Air Term. Gowen Fld

Sun 2/15

7:15 am-9:37 am

Nonstop2h 22m

$177

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

4:04 pm-9:08 pm

1 stop5h 04m

$177

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Mon 1/12

12:05 pm-8:12 pm

1 stop8h 07m

Boise Air Term. Gowen Fld

Mon 1/26

5:40 am-11:08 am

1 stop5h 28m

$185

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Fri 2/6

4:42 pm-9:58 pm

1 stop5h 16m

Boise Air Term. Gowen Fld

Mon 2/9

5:40 am-1:50 pm

1 stop8h 10m

$185

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

Thu 2/12

12:01 pm-6:22 pm

1 stop6h 21m

Boise Air Term. Gowen Fld

Tue 2/17

4:55 pm-11:50 pm

1 stop6h 55m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 results
1
2

Compare providers for flights from Sky Harbor Intl to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Boise in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Sky Harbor Intl 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 Sky Harbor Intl Airport to Boise

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Boise. Price data was last updated on December 5, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Boise?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $115). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 December 12, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Boise is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Boise?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boise. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boise flight should consider departing on Friday 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.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Boise?

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 December 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Phoenix Sky Harbor Intl Airport to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,817 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl?

    If you book a flight to Boise from Phoenix Sky Harbor Intl, you will be flying to Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise. There are 8 flights from Phoenix Sky Harbor Intl to Air Term. Gowen Fld per day from 6 different airlines.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Boise?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Boise in 2h 18m. Fly via Alaska Airlines or Southwest to get the fastest option. The distance between Phoenix Sky Harbor Intl Airport and Boise is about 736 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Boise round-trip?

    Allegiant Air, at $50, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Boise.Alternate airlines to your destination round-trip include Delta and Hawaiian Airlines. Allegiant Air is currently priced 80% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Boise one-way?

    $48 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Alaska Airlines and Southwest, with prices starting from $78 and $78, respectively.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Boise?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Boise on time: Envoy Air (92%), American Airlines (86%), SkyWest Airlines (82%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport 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 $157 on average, our data indicates $265 when flying from Phoenix Sky Harbor Intl Airport to Boise.

  • Can I find deals for flights from Sky Harbor Intl to Boise that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Boise?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Boise?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Boise?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $115). Flying from Phoenix Sky Harbor Intl Airport 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
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Nampa
Caldwell
McCall

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Top 6 airlines flying from Sky Harbor Intl to Boise

Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$56Average$150FlexibilityNo cancel feeOn-time88%
DeltaCheapest$88Average$197FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$206FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$144Average$248FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$147Average$259FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$156Average$286FlexibilityNo cancel feeOn-time71%

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