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Sky Harbor Intl

$72+ Cheap flights from Boise (BOI) to Sky Harbor Intl (PHX)

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Find cheap flights from Boise to Sky Harbor Intl 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 Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl are usually found in September or August, booked 54 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Boise to Sky Harbor Intl

Cheapest flights from Boise to Sky Harbor Intl
Explore the most affordable flight options available from Boise to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Delta deal was found by Cheapflights users on 12/19. 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.
Thu 12/255:50 amBOI - PHX
1 stop4h 15mDelta
Thu 1/15:37 pmPHX - BOI
1 stop5h 20mDelta
Deal found 12/19$175
This Frontier deal was found by Cheapflights users on 12/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:54 pmBOI - PHX
1 stop11h 50mFrontier
Sat 1/37:00 amPHX - BOI
1 stop4h 59mFrontier
Deal found 12/20$233
This Expedia deal was found by Cheapflights users on 12/20. 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 12/2512:38 pmBOI - PHX
1 stop19h 43mFrontier
Thu 1/17:00 amPHX - BOI
1 stop4h 43mFrontier
Deal found 12/20$238
This Delta deal was found by Cheapflights users on 12/19. 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 12/305:50 amBOI - PHX
1 stop4h 12mDelta
Thu 1/15:37 pmPHX - BOI
1 stop5h 20mDelta
Deal found 12/19$264
This Expedia deal was found by Cheapflights users on 12/20. 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 12/2512:38 pmBOI - PHX
1 stop19h 43mFrontier
Sun 12/287:00 amPHX - BOI
1 stop4h 43mFrontier
Deal found 12/20$283
This Orbitz deal was found by Cheapflights users on 12/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 pmBOI - PHX
Nonstop2h 11mMultiple Airlines
Sat 1/37:00 amPHX - BOI
1 stop4h 59mMultiple Airlines
Deal found 12/19$284
This Expedia deal was found by Cheapflights users on 12/20. 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 12/2512:38 pmBOI - PHX
1 stop19h 43mMultiple Airlines
Thu 1/12:43 pmPHX - BOI
Nonstop2h 19mMultiple Airlines
Deal found 12/20$285
This Delta deal was found by Cheapflights users on 12/18. 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.
Fri 12/265:50 amBOI - PHX
1 stop4h 12mDelta
Wed 12/315:37 pmPHX - BOI
1 stop5h 20mDelta
Deal found 12/18$287
This Frontier deal was found by Cheapflights users on 12/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:38 pmBOI - PHX
1 stop11h 51mFrontier
Sat 1/37:00 amPHX - BOI
1 stop4h 59mFrontier
Deal found 12/20$293
This Expedia deal was found by Cheapflights users on 12/20. 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 12/2512:38 pmBOI - PHX
1 stop19h 43mMultiple Airlines
Sun 12/289:38 pmPHX - BOI
Nonstop2h 21mMultiple Airlines
Deal found 12/20$304
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Tue 12/305:23 pmBOI - PHX
Nonstop2h 10mAmerican Airlines
Tue 1/69:42 amPHX - BOI
Nonstop2h 25mAmerican Airlines
Deal found 12/20$305
This Priceline deal was found by Cheapflights users on 12/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:54 pmBOI - PHX
1 stop8h 32mFrontier
Sun 12/287:00 amPHX - BOI
1 stop4h 43mFrontier
Deal found 12/18$312

Find flight deals from Boise to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sky Harbor Intl (PHX). 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 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$169
(Southwest)

One-way from

$72
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$512

Good round-trip deal

$288 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($22 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 Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Sky Harbor Intl 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 21, 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

Boise

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 1/10

5:40 am-11:08 am

1 stop5h 28m

Phoenix Sky Harbor Intl

Sun 1/18

6:20 am-1:00 pm

1 stop6h 40m

$176

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 1/31

6:00 am-8:15 am

Nonstop2h 15m

Phoenix Sky Harbor Intl

Mon 2/2

6:00 pm-10:30 pm

1 stop4h 30m

$177

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 1/19

12:21 pm-2:29 pm

Nonstop2h 08m

Phoenix Sky Harbor Intl

Fri 1/30

3:11 pm-5:29 pm

Nonstop2h 18m

$177

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 1/21

10:45 am-7:55 pm

2 stops9h 10m

Phoenix Sky Harbor Intl

Sat 1/24

3:20 pm-9:15 pm

1 stop5h 55m

$182

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 1/9

7:05 am-11:20 am

1 stop4h 15m

Phoenix Sky Harbor Intl

Mon 1/12

9:00 am-11:10 am

Nonstop2h 10m

$187

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 3/11

6:05 am-7:15 am

Nonstop2h 10m

Phoenix Sky Harbor Intl

Mon 3/16

10:50 pm-1:55 am

Nonstop2h 05m

$188

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 1/10

12:21 pm-2:29 pm

Nonstop2h 08m

Phoenix Sky Harbor Intl

Sun 1/18

7:00 am-12:51 pm

1 stop5h 51m

$191

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 4/1

7:05 am-11:00 am

1 stop4h 55m

Phoenix Sky Harbor Intl

Sat 4/4

12:40 pm-3:45 pm

Nonstop2h 05m

$192

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Thu 1/29

5:45 am-9:37 am

1 stop3h 52m

Phoenix Sky Harbor Intl

Mon 2/2

5:00 pm-10:18 pm

1 stop5h 18m

$197

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 2/27

11:56 am-8:12 am

1 stop20h 16m

$72

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 results
1
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Compare providers for flights from Boise to Sky Harbor Intl

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 Boise to Sky Harbor Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Boise-Phoenix Sky Harbor Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Phoenix Sky Harbor Intl Airport 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 Boise-Phoenix Sky Harbor Intl Airport 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 Boise to Sky Harbor Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Sky Harbor Intl. Price data was last updated on December 12, 2025.

The price you pay for your flight from Boise to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 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 Boise to Phoenix Sky Harbor Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $114). Flying from Boise to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $192). 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 BOI to PHX?

Find hourly flight availability from Boise to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

When flying from Boise to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Sky Harbor Intl. Price data was last updated on December 20, 2025.

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

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated December 21, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from Boise to Phoenix Sky Harbor Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,496 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Hawaiian Airlines
7.8
Good
2,821 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,102 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,496 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

Find useful and relevant information for your journey from Boise to Sky Harbor Intl. 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 from for flights from Boise to Phoenix Sky Harbor Intl?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Phoenix Sky Harbor Intl. On average, Air Term. Gowen Fld has 10 outbound flights to Phoenix Sky Harbor Intl per day from 8 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

    Delta, Southwest, and Alaska Airlines can get you from Boise to Phoenix Sky Harbor Intl Airport in just under 2h 08m. Your travel time can differ by up to 3h 20m. There are 736 mi between Boise and Phoenix Sky Harbor Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Allegiant Air, at $82, was found to be the cheapest airline from Boise to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Delta and Hawaiian Airlines. Allegiant Air is 71% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $78. Users have also found prices from $78 and $78 on Alaska Airlines and American Airlines, respectively.

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

    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 Boise to Phoenix Sky Harbor Intl Airport on time: Porter Airlines (95%), Envoy Air (88%), Southwest (86%).

  • What are the cheapest flights from Boise to Phoenix Sky Harbor Intl Airport?

    The cheapest flight price from Boise to Phoenix Sky Harbor Intl Airport is $113. On average you can expect to pay $320. The most popular route, (Boise Air Term. Gowen Fld - Phoenix Sky Harbor Intl), can usually be booked for $144.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $114). Flying from Boise to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $192). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Glendale
Casa Grande
Chandler
Payson
Globe
Peoria
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Boise to Sky Harbor Intl

Discover the top 8 airlines that operate flights from Boise to Sky Harbor Intl. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$68Average$153FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$82Average$214FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$98Average$244FlexibilityNo cancel feeOn-time85%
DeltaCheapest$108Average$236FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$157Average$302FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$281FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$161Average$312FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$602FlexibilityNo cancel feeOn-time69%

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