BOI - PHX

$68 Find Cheap Flights from Boise to Phoenix Sky Harbor Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$217
Typical prices: $235-$391
Frontier, Alaska Airlines
Mon 10/29Fri 11/2
BOI - PHX • 1 stop
Cheapest non-stop
$245
Typical prices: $238-$397
Southwest
Fri 12/7Fri 12/7
BOI - PHX • Non-stop
Nonstop flights
You can fly direct with American Airlines, Southwest and Alaska Airlines. Average duration is 2h 12m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $220 (round-trip)
Shortest trip • 4h 03m (one-way)
Insights
Insights
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We hope you love your trip to Phoenix Sky Harbor Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boise to Sky Harbor Intl (BOI-PHX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Sky Harbor Intl

Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
2:49 pm - 10:22 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
8h 33m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:53 am - 12:09 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 16mnonstop
$217Multiple Airlines
Sat, Nov 7 - Wed, Nov 11
Multiple Airlines Logo
9:03 am - 5:00 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
7h 57m1 stop Portland
Multiple Airlines Logo
7:21 pm - 1:54 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
18h 33m1 stop Las Vegas Harry Reid Intl
$217Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
Frontier Logo
2:50 pm - 12:17 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
22h 27m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:16 am - 1:55 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
4h 39m1 stop Las Vegas Harry Reid Intl
$224Frontier
Tue, Dec 15 - Tue, Dec 15
Southwest Logo
6:20 am - 11:30 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
5h 10m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:25 pm - 9:35 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 10mnonstop
$225Southwest
Thu, Oct 1 - Mon, Oct 5
Frontier Logo
2:50 pm - 10:47 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
8h 57m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:27 am - 1:55 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
4h 28m1 stop Las Vegas Harry Reid Intl
$226Frontier
Tue, Dec 15 - Tue, Dec 15
Southwest Logo
11:40 am - 1:45 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 05mnonstop
Southwest Logo
4:15 pm - 10:45 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
6h 30m2 stops San Diego Sacramento Intl
$230Southwest
Tue, Jan 19 - Tue, Feb 2
American Airlines Logo
6:42 pm - 8:56 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 14mnonstop
American Airlines Logo
8:02 pm - 10:26 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 24mnonstop
$257American Airlines
Tue, Jan 19 - Tue, Jan 26
American Airlines Logo
12:34 pm - 2:48 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 14mnonstop
American Airlines Logo
9:39 am - 12:04 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 25mnonstop
$257American Airlines
Tue, Nov 10 - Tue, Nov 17
Alaska Airlines Logo
7:00 am - 9:11 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 11mnonstop
Alaska Airlines Logo
11:55 am - 8:06 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
8h 11m1 stop Portland
$259Alaska Airlines
Wed, Nov 11 - Mon, Nov 16
Alaska Airlines Logo
7:00 am - 9:11 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 11mnonstop
Alaska Airlines Logo
8:00 am - 10:31 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
14h 31m1 stop San Diego
$260Alaska Airlines
Booking Insights

Price, demand and travel trends for Boise to Phoenix Sky Harbor Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boise to Phoenix Sky Harbor Intl Airport with more confidence.

What's the cheapest day of the week to fly from Boise to Phoenix Sky Harbor Intl Airport?

Tuesday is the cheapest day of the week to fly from Boise to Phoenix Sky Harbor Intl Airport, it is 12% cheaper than the average day. Friday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Boise to Phoenix Sky Harbor Intl Airport at $233 round-trip.
  • June ($382) and July ($347) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 63% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boise to Phoenix Sky Harbor Intl Airport the cheapest?

Flights from Boise to Phoenix Sky Harbor Intl Airport are cheapest 18 weeks before departure. Booking in this window typically costs about 42% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boise to Sky Harbor Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Boise to Phoenix Sky Harbor Intl Airport flights

Low season

July

Cheapest flight

$68
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly with an average 14% increase in price.
Flight from Boise to Phoenix Sky Harbor Intl Airport

When to book flights from Boise to Sky Harbor Intl

Are your dates flexible? Find out the best times to travel from Boise to Sky Harbor Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Phoenix Sky Harbor Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Where can I rent a car at PHX?

    You can find the Rental Car Center at 1805 E. Sky Harbor Circle South. Since the center is situated in its own building, the company provides a shuttle that passengers can use to get there from all the terminals at the baggage claim sections. This shuttle is available every day, and all through the day and night.

  • What services are there for passengers with disabilities at BOI?

    Boise Airport has provided accessibility services for passengers with reduced mobility all over the airport. This includes curbside unloading during departure, which is at the upper-level roadway, at the front of the terminal, setting aside disabled parking spaces, and having wheelchair-accessible restrooms and facilities. For additional assistance, you are encouraged to reach out to your airline before your flight time.

  • How can I get to downtown Phoenix from PHX?

    There are several modes of transport that one can pick from at the airport that will get them to the city center. For public transportation, you can pick from one of the two Valley Metro bus routes that are connected to the airport. Alternatively, you can also get a taxi that will pick you up at the airport curbs, use ride share services which are accessible every day, or get an intercity shuttle.

  • Where can I work from at BOI as I wait for my flight?

    BOI offers the Boise Airport Snake River Conference Center which has free Wi-Fi and conference rooms, as well as microphones and speakers if you need to hold a meeting. It is located on Level 3.

  • Which airlines offer extra legroom and free seat selection on Boise to Phoenix Sky Harbor Intl Airport flights?

    Among airlines operating Boise to Phoenix Sky Harbor Intl Airport flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection
    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Boise to Phoenix Sky Harbor Intl Airport?

    3 airlines operate flights between Boise and Phoenix Sky Harbor Intl Airport. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Southwest
    • Alaska Airlines

  • Which airports can I use when flying from Boise to Phoenix Sky Harbor Intl Airport?

    Flights from Boise to Phoenix Sky Harbor Intl Airport usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Phoenix Sky Harbor Intl (PHX).

  • Which airlines include bags at no extra cost on Boise to Phoenix Sky Harbor Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in First Class
    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Boise to Phoenix Sky Harbor Intl Airport?

    Three cabin classes are available on flights from Boise to Phoenix Sky Harbor Intl Airport:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Boise to Phoenix Sky Harbor Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $220 round-trip via Seattle/Tacoma Intl (SEA), compared to $304 for nonstop.

  • What is the standard checked-bag allowance on flights from Boise to Phoenix Sky Harbor Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boise to Phoenix Sky Harbor Intl Airport?

    The Embraer 175 family is used most often on this route, operated mainly by American Airlines and Alaska Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Boise to Phoenix Sky Harbor Intl Airport pass through?

    One-stop flights from Boise to Phoenix Sky Harbor Intl Airport most commonly connect through:

    • Denver Intl (DEN) - 34% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 30% of one-stop connections
    • Salt Lake City (SLC) - 27% of one-stop connections
    • Burbank Bob Hope (BUR) - 5% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boise to Phoenix Sky Harbor Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 21% on the Boise to Phoenix Sky Harbor Intl Airport route. Tuesday is the cheapest departure day at $264 round-trip on average, while Friday is the most expensive at $332, a difference of $68. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Boise to Phoenix Sky Harbor Intl Airport spread across the day?

    Morning is the busiest departure period on Boise to Phoenix Sky Harbor Intl Airport flights, with 58% of flights leaving in that window. Afternoon departures account for 28%, evening flights for 14%, and night flights for 0%.

  • What popular places can I visit in Phoenix Sky Harbor Intl Airport?

    Some of the most popular sights in Phoenix Sky Harbor Intl Airport are Phoenix Convention Center, Chase Field and Camelback Ranch. These are among the most viewed places in Phoenix Sky Harbor Intl Airport on KAYAK.

  • What are the earliest and latest flights from Boise to Phoenix Sky Harbor Intl Airport?

    These are the earliest and latest flight times available from Boise to Phoenix Sky Harbor Intl Airport:

    • Earliest: departs at 5:00 am and lands at 7:12 am
    • Latest: departs at 7:05 pm and lands at 9:17 pm.

    The flight takes about 2h 12m.

  • How expensive are last-minute Boise to Phoenix Sky Harbor Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $300. Book 18 weeks before departure for the lowest fares.

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

    A nonstop flight from Boise to Phoenix Sky Harbor Intl Airport takes 2h 12m, covering 736 miles.

  • Do I need a passport to fly from Boise to Phoenix Sky Harbor Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Boise to Phoenix Sky Harbor Intl Airport looking right now?

    One-way fares from Boise to Phoenix Sky Harbor Intl Airport are currently lower than usual. Average one-way flight prices are about $114, which is 42% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boise to Phoenix Sky Harbor Intl Airport?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 03m, compared with 4h 17m via Burbank Bob Hope (BUR) and 4h 30m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between Boise and Phoenix Sky Harbor Intl Airport?

    Phoenix Sky Harbor Intl Airport is 1 hour behind Boise (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Phoenix Sky Harbor Intl Airport (PHX)?

    Phoenix Sky Harbor Intl Airport (PHX) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • NU Car
    • Easirent
    • Thrifty
    • Dollar
    • Hertz

  • How much should I expect to pay for a Boise to Phoenix Sky Harbor Intl Airport flight?

    Round-trip flights from Boise to Phoenix Sky Harbor Intl Airport range from $235 to $391, with an average of $300 over the past 12 months. Anything below $235 counts as a good deal.

  • Which airlines offer Wi-Fi on Boise to Phoenix Sky Harbor Intl Airport flights?

    Two airlines offer in-flight Wi-Fi on Boise to Phoenix Sky Harbor Intl Airport flights:

    • • American Airlines
    • • Alaska Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Boise to Phoenix Sky Harbor Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $264 - about $68 less than Friday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 42% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to Phoenix Sky Harbor Intl Airport trip for January. Fares historically average $233 round-trip in that month - typically $149 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Seattle/Tacoma Intl Airport (SEA) can be cheaper than flying direct. The cheapest layover option averages $220 round-trip on this route - about $84 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Phoenix Sky Harbor Intl Airport.
    - SureStay by Best Western Phoenix Airport
    - Country Inn & Suites by Radisson, Phoenix Airport
    - Drury Inn & Suites Phoenix Airport
  • Boise Airport (BOI) offers parking facilities for travelers who are getting to the airport with their vehicles. One can pick from any of the short-term and long-term parking options available depending on the length of your trip. The parking spots are at the Economy Lot situated at Victory and Orchard and Garage Levels 1 to 4. There is also the curbside valet parking option which is provided by The Car Park company.
  • Phoenix Sky Harbor (PHX) has nursing stations where breastfeeding mothers can feed and change their babies upon arrival. There are several of them in Terminal 3 and 4, both pre-and post-security.
  • For passengers traveling with their pets or service animals, BOI has a service animal and pet relief area where they can play around and relax prior to the flight. There is one right before the security area at the western exit of the first floor after baggage claim and another one after getting through the security checkpoint.
  • If you are making the journey with children and want to spend a bit more time at the airport upon arrival at PHX, they can play at The Play-viation Park which is a designated children’s play area. It is located in Terminal 3.
  • Take some time before your flight to visit the Idaho Military Museum at BOI, where you can learn about military history and see artifacts, weapons, and photos of how the Gowen Field looked during World War 2. It is located in the back area of the airport close to the Air National Guard Base and passengers can enjoy a tour at no cost.

Prefer to fly direct from Boise to Phoenix Sky Harbor Airport?

 
Find which airlines fly direct from Boise Air Term. Gowen Fld Airport to Phoenix Sky Harbor Intl Airport, which days they fly and book direct flights.

Direct departures

Boise Air Term. Gowen Fld to Phoenix Sky Harbor Intl

Monday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

See more direct flights

Direct returns

Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld

Monday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

See more direct flights

More options for your flight from Boise to Sky Harbor Intl

Complete your trip to Phoenix with a hotel stay or car rental