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Sky Harbor Intl

$89+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PHX
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl are usually found in September or October, booked 54 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Alaska Airlines)

One-way from

$89
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$362

Good round-trip deal

$302 or less

Good one-way deal

$141 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Phoenix Sky Harbor Intl flights.
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From Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
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One-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl.
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Find 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 March 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 4/286:30 amBOI - PHX
1 stop7h 24mAlaska Airlines
Tue 4/292:17 pmPHX - BOI
Nonstop2h 13mAlaska Airlines
Deal found 3/26$187
This Southwest deal was found by Cheapflights users on 3/26. 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.
Mon 5/195:35 amBOI - PHX
Nonstop2h 05mSouthwest
Tue 6/34:10 pmPHX - BOI
2 stops5h 45mSouthwest
Deal found 3/26$192
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/282:41 pmBOI - PHX
1 stop6h 14mHawaiian Airlines
Wed 4/306:00 amPHX - BOI
1 stop6h 47mHawaiian Airlines
Deal found 3/27$196
This American Airlines deal was found by Cheapflights users on 3/27. 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 6/36:52 amBOI - PHX
Nonstop2h 13mAmerican Airlines
Tue 6/38:20 pmPHX - BOI
Nonstop2h 12mAmerican Airlines
Deal found 3/27$198
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:40 pmBOI - PHX
1 stop5h 19mUnited Airlines
Mon 8/1110:32 amPHX - BOI
1 stop4h 23mUnited Airlines
Deal found 3/27$199
This Delta deal was found by Cheapflights users on 3/26. 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 4/254:40 pmBOI - PHX
1 stop6h 52mDelta
Mon 4/287:30 pmPHX - BOI
1 stop3h 39mDelta
Deal found 3/26$207
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/122:11 pmBOI - PHX
2 stops24h 17mMultiple Airlines
Thu 4/172:34 pmPHX - BOI
1 stop21h 23mMultiple Airlines
Deal found 3/25$245
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:49 pmBOI - PHX
1 stop23h 12mSpirit Airlines
Sun 6/1512:20 amPHX - BOI
3 stops19h 24mSpirit Airlines
Deal found 3/26$332

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 March 28, 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

Mon 4/28

5:35 am-6:40 am

Nonstop2h 05m

Phoenix Sky Harbor Intl

Mon 5/5

6:40 pm-11:55 pm

1 stop4h 15m

$187

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 4/28

2:41 pm-7:55 pm

1 stop6h 14m

Phoenix Sky Harbor Intl

Wed 4/30

6:00 am-1:47 pm

1 stop6h 47m

$196

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 4/23

5:59 pm-11:33 pm

1 stop6h 34m

Phoenix Sky Harbor Intl

Tue 4/29

8:50 am-4:00 pm

1 stop6h 10m

$197

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 6/3

6:52 am-8:05 am

Nonstop2h 13m

Phoenix Sky Harbor Intl

Tue 6/3

8:20 pm-11:32 pm

Nonstop2h 12m

$198

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 7/23

4:40 pm-8:59 pm

1 stop5h 19m

Phoenix Sky Harbor Intl

Mon 8/11

10:32 am-3:55 pm

1 stop4h 23m

$199

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Tue 6/3

12:20 pm-1:27 pm

Nonstop2h 07m

Phoenix Sky Harbor Intl

Tue 6/3

3:20 pm-11:59 pm

1 stop7h 39m

$201

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Sat 4/12

2:11 pm-1:28 pm

2 stops24h 17m

Phoenix Sky Harbor Intl

Thu 4/17

2:34 pm-12:57 pm

1 stop21h 23m

$245

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Fri 6/13

9:49 pm-8:01 pm

1 stop23h 12m

Phoenix Sky Harbor Intl

Sun 6/15

12:20 am-8:44 pm

3 stops19h 24m

$332

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Wed 4/30

6:11 pm-7:19 pm

Nonstop2h 08m

$89

BoisePhoenix

BOI - PHX

BOIPHX

Boise Air Term. Gowen Fld

Mon 4/28

2:41 pm-6:47 pm

1 stop5h 06m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 17 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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 Boise-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 March 28, 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 48% 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 March 23, 2025.

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

Weekly flight availability from Boise to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Boise to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2025.

The most flights from BOI to PHX are scheduled on a Thursday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 March 28, 2025.
To help decide which airline to fly from Boise to Phoenix, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 6 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.

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

    Alaska Airlines, at $187, was found to be the cheapest airline from Boise to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include Southwest and Hawaiian Airlines. Alaska Airlines is 40% 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 Hawaiian Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $98 and $99 on Alaska Airlines and United 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: Southwest (91%), Envoy Air (84%), American Airlines (82%).

  • 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 $88. On average you can expect to pay $534. The most popular route, (Boise Air Term. Gowen Fld - Phoenix Sky Harbor Intl), can usually be booked for $177.

  • 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, January is the cheapest month in which you can book a flight from Boise to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Boise to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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?

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$189FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$85Average$175FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$108Average$283FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$156Average$310FlexibilityNo cancel feeOn-time75%
DeltaCheapest$156Average$261FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$168Average$297FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$187Average$342FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$599FlexibilityNo cancel feeOn-time69%
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