PHX - BOI

$67 Find Cheap Flights from Phoenix Sky Harbor Airport to Boise - Compare and Save

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Everything you should know

Cheapest round-trip
$100
Typical prices: $234-$390
Frontier
Mon 10/22Fri 10/26
PHX - BOI • 1 stop
Cheapest non-stop
$215
Typical prices: $235-$391
Southwest
Sat 10/13Wed 10/17
PHX - BOI • Non-stop
Nonstop flights
Every day
You can fly direct with American Airlines, Southwest and Alaska Airlines. Average duration is 2h 14m
Direct flights
+1
Direct flights
+1
When to book
9 weeks
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 42% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $248 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 35m (one-way)
Insights
Insights
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We hope you love your trip to Boise!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

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

Thu, Oct 22 - Mon, Oct 26
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
Frontier Logo
2:50 pm - 5:26 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
27h 36m1 stop Las Vegas Harry Reid Intl
$100Frontier
Wed, Oct 28 - Sun, Nov 1
Frontier Logo
6:21 pm - 1:54 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
18h 33m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:49 pm - 6:27 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
27h 38m1 stop Las Vegas Harry Reid Intl
$161Frontier
Tue, Oct 20 - Thu, Oct 22
Multiple Airlines Logo
9:05 am - 12:18 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 13mnonstop
Multiple Airlines Logo
2:50 pm - 6:33 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
4h 43m1 stop Las Vegas Harry Reid Intl
$201Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Multiple Airlines Logo
4:28 pm - 7:43 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 15mnonstop
Multiple Airlines 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
$207Multiple Airlines
Tue, Oct 13 - Sat, Oct 17
Southwest Logo
8:25 am - 11:40 amPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 15mnonstop
Southwest Logo
4:55 pm - 6:00 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 05mnonstop
$215Southwest
Tue, Oct 13 - Sat, Oct 17
Southwest Logo
8:25 am - 11:40 amPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 15mnonstop
Southwest Logo
4:55 pm - 6:00 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 05mnonstop
$215Southwest
Tue, Dec 15 - Tue, Jan 5
American Airlines Logo
8:36 pm - 10:57 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 21mnonstop
American Airlines Logo
8:50 am - 11:24 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 34mnonstop
$257American Airlines
Tue, Nov 3 - Tue, Nov 10
American Airlines Logo
11:07 am - 1:23 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 16mnonstop
American Airlines Logo
6:06 am - 8:21 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 15mnonstop
$257American Airlines
Tue, Oct 13 - Wed, Oct 14
Alaska Airlines Logo
7:38 am - 1:47 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
5h 09m1 stop San Diego
Alaska Airlines Logo
7:10 am - 8:21 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 11mnonstop
$260Alaska Airlines
Tue, Nov 3 - Tue, Nov 10
Alaska Airlines Logo
9:53 am - 12:09 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 16mnonstop
Alaska Airlines Logo
6:37 am - 11:59 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
17h 22m1 stop Seattle/Tacoma Intl
$260Alaska Airlines
Booking Insights

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

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

How much is a round-trip flight from Phoenix Sky Harbor Intl Airport to Boise?

Round-trip flights from Phoenix Sky Harbor Intl Airport to Boise start at $100. Prices are below average for this route right now, with typical round-trip fares ranging from $234 to $390. The lowest price found in the past 5 days was $100 on Frontier.

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

Tuesday is the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Boise, it is 9% cheaper than the average day. Monday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Boise at $177 round-trip.
  • July ($355) and June ($350) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Phoenix Sky Harbor Intl Airport to Boise are cheapest 9 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Sky Harbor Intl to Boise

 
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.

Read more
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.

Read more

Key details for Phoenix Sky Harbor Intl Airport to Boise flights

Low season

February

Cheapest flight

$67
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Phoenix Sky Harbor Intl Airport to Boise

When to book flights from Sky Harbor Intl to Boise

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

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

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

  • Alaska Airlines offers flights from Phoenix Sky Harbor Airport (PHX) to Boise (BOI) and has taken steps to reduce carbon emissions through operational efficiencies, such as reducing taxi time and optimizing flight routes. The airline has also implemented eco-friendly business practices, such as reducing single-use plastics on board and in airport lounges and using recycled materials in its uniforms.

    What seat selection options are available on American Airlines flights from Phoenix Sky Harbor Airport to Boise?

  • American Airlines offers a variety of seat selection options on flights from Phoenix Sky Harbor Airport to Boise. Basic Economy passengers are assigned a seat at check-in, and cannot make any changes until after boarding while Main Cabin passengers can choose their seat for a fee, including seats with extra legroom or preferred location.

    What services does Alaska Airlines offer for passengers in economy class on flights from Phoenix Sky Harbor Airport to Boise?

  • Alaska Airlines offers the following services for passengers in economy class on flights from Phoenix Sky Harbor Airport to Boise: economy class passengers can enjoy complimentary snacks and non-alcoholic beverages including coffee, tea, and soft drinks. The airline also offers in-flight entertainment with a seat-back screen or personal device entertainment options.

    Are there refundable ticket options for flights from Phoenix Sky Harbor Airport to Boise with United Airlines?

  • Yes, United Airlines offers refundable ticket options for flights from Phoenix Sky Harbor Airport to Boise. These ticket options may be more expensive than non-refundable tickets, but they offer greater flexibility in case your travel plans change. Keep in mind that refundable tickets can be changed or canceled without penalty, but the fare difference may apply.

    How do I get from Air Term Gowen Field Airport (BOI) to the city center?

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

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

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

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

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

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

    • American Airlines
    • Southwest
    • Alaska Airlines

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

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

  • Which airlines include bags at no extra cost on Phoenix Sky Harbor Intl Airport to Boise 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
    • Southwest: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in First 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 Phoenix Sky Harbor Intl Airport to Boise?

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

    • Economy Class
    • First Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Seattle/Tacoma Intl (SEA), compared to $304 for nonstop.

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

    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 Phoenix Sky Harbor Intl Airport to Boise?

    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 Phoenix Sky Harbor Intl Airport to Boise pass through?

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

    • Salt Lake City (SLC) - 46% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 25% of one-stop connections
    • Denver Intl (DEN) - 21% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Phoenix Sky Harbor Intl Airport to Boise route. Tuesday is the cheapest departure day at $278 round-trip on average, while Monday is the most expensive at $351, a difference of $73. 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 Phoenix Sky Harbor Intl Airport to Boise spread across the day?

    Morning is the busiest departure period on Phoenix Sky Harbor Intl Airport to Boise flights, with 38% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 12%.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

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

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

    • Earliest: departs at 7:45 am and lands at 9:59 am
    • Latest: departs at 11:25 pm and lands at 1:39 am.

    The flight takes about 2h 14m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 51% above the route average of $304. Book 9 weeks before departure for the lowest fares.

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

    A nonstop flight from Phoenix Sky Harbor Intl Airport to Boise takes 2h 14m, covering 736 miles.

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

    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 Phoenix Sky Harbor Intl Airport to Boise looking right now?

    One-way fares from Phoenix Sky Harbor Intl Airport to Boise are currently lower than usual. Average one-way flight prices are about $114, which is 43% below the typical average for this route.

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 35m, compared with 5h 05m via San Francisco (SFO) and 5h 43m via Seattle/Tacoma Intl (SEA).

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

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

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

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

    Round-trip flights from Phoenix Sky Harbor Intl Airport to Boise range from $234 to $390, with an average of $304 over the past 12 months. Anything below $234 counts as a good deal.

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

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

    • • American Airlines
    • • Alaska Airlines
    • • JetBlue

    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 Phoenix Sky Harbor Intl Airport to Boise 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 Monday. On this route, Tuesday flights average $278 - about $73 less than Monday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Phoenix Sky Harbor Intl Airport to Boise trip for January. Fares historically average $177 round-trip in that month - typically $178 less than the most expensive month, which is July (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 $248 round-trip on this route - about $56 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 Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise
  • One option is to take a taxi or a rideshare service, which should take around 15-20 minutes. Another option is to rent a car at the airport and drive to your destination. There are also shuttle services available, such as the Punta Gorda Airport Shuttle, which offers transportation to/from the airport and the surrounding areas.
  • Spirit Airlines provides wheelchair assistance to passengers with reduced mobility both at the airport and on board flights from Phoenix Sky Harbor Airport (PHX) to Boise (BOI). Passengers with reduced mobility can also pre-board the aircraft before other passengers to get settled in their seats and stow any carry-on luggage.
  • Connecting flights from Phoenix Sky Harbor Airport (PHX) to Boise (BOI) usually have one or two connections in certain cities. Some common layovers for the route include Las Vegas (LAS), Salt Lake City (SLC), Seattle (SEA), Portland (PDX), Denver (DEN), and San Francisco (SFO).
  • Southwest Airlines allows only shared under-seat space for pets in the cabin of flights from Phoenix Sky Harbor Airport (PHX) to Boise (BOI). The pet carrier must be leak-proof and well-ventilated, and its dimensions should not exceed 18.5 x 8.5 x 13.5 inches.
  • United Airlines provides various services and amenities for families traveling with kids on flights from Phoenix Sky Harbor Airport (PHX) to Boise (BOI). Passengers can use their own FAA-approved car seats for children under 2 years old sitting on a paid ticket and special meals for kids aged 5-12 years can be requested in advance.

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

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

Direct departures

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

Direct returns

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

More options for your flight from Sky Harbor Intl to Boise

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