BOI - PHX

$84 Find Cheap Flights from Boise to Phoenix Sky Harbor Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$255
Typical prices: $247-$402
Frontier
Sun 1/28Wed 1/31
BOI - PHX • 2 stops
Cheapest non-stop
$257
Typical prices: $249-$407
American Airlines
Mon 1/15Thu 1/18
BOI - PHX • Non-stop
Nonstop flights
You can fly direct with American Airlines, Southwest and Alaska Airlines. Average duration is 2h 15m
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 47% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $220 (round-trip)
Shortest trip • 4h 02m (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, Jan 28 - Sun, Jan 31
Frontier Logo
7:53 pm - 2:03 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
18h 10m2 stops Las Vegas Harry Reid Intl Los Angeles
Frontier Logo
9:21 am - 6:58 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
9h 37m1 stop Las Vegas Harry Reid Intl
$255Frontier
Wed, Nov 25 - Fri, Dec 4
Multiple Airlines Logo
6:18 pm - 6:42 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
24h 24m1 stop Santa Ana J. Wayne/Orange Cnty
Multiple Airlines Logo
12:52 pm - 7:01 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
6h 09m1 stop Las Vegas Harry Reid Intl
$255Multiple Airlines
Wed, Nov 25 - Fri, Dec 4
Multiple Airlines Logo
7:55 pm - 12:33 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
4h 38m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:04 am - 12:29 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 25mnonstop
$256Multiple Airlines
Thu, Jan 28 - Sun, Jan 31
American Airlines Logo
6:30 am - 9:11 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 41mnonstop
American Airlines Logo
6:42 pm - 9:05 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 23mnonstop
$257American Airlines
Thu, Mar 4 - Mon, Mar 8
American Airlines Logo
6:05 am - 8:21 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 16mnonstop
American Airlines Logo
9:41 pm - 11:57 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 16mnonstop
$257American Airlines
Wed, Dec 30 - Tue, Jan 5
Southwest Logo
6:10 pm - 8:10 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 00mnonstop
Southwest Logo
7:25 pm - 9:40 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 15mnonstop
$257Southwest
Thu, Dec 3 - Thu, Dec 10
Southwest Logo
12:40 pm - 6:55 pmBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
6h 15m2 stops San Jose Los Angeles
Southwest Logo
7:20 am - 1:05 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
5h 45m2 stops Santa Ana J. Wayne/Orange Cnty San Jose
$257Southwest
Thu, Dec 31 - Wed, Jan 6
Alaska Airlines Logo
7:12 am - 9:28 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 16mnonstop
Alaska Airlines Logo
10:01 am - 12:21 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 20mnonstop
$257Alaska Airlines
Fri, Jan 1 - Mon, Jan 4
Alaska Airlines Logo
7:12 am - 9:28 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
2h 16mnonstop
Alaska Airlines Logo
7:12 pm - 9:38 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
2h 26mnonstop
$257Alaska Airlines
Fri, Jan 15 - Mon, Jan 18
Frontier Logo
7:53 pm - 12:41 amBOI  Boise Air Term. Gowen Fld-PHX Phoenix Sky Harbor Intl
4h 48m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:21 pm - 6:58 pmPHX  Phoenix Sky Harbor Intl-BOI Boise Air Term. Gowen Fld
6h 37m1 stop Las Vegas Harry Reid Intl
$258Frontier
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 with more confidence.

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

Round-trip flights from Boise to Phoenix Sky Harbor Intl Airport typically range from $247 to $402. The lowest price found in the past 5 days was $255, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boise to Phoenix Sky Harbor Intl Airport. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 13% higher.

What’s 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 $237 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 61% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 47% 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

August

Cheapest flight

$84
Beat the crowds with an average 42% drop in travelers.
The most popular month to fly with an average 33% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 7:15 am
    • Latest: departs at 6:40 pm and lands at 8:55 pm.

    The flight takes about 2h 15m.

  • 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 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 15m, 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 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 $247 to $402, with an average of $307 over the past 12 months. Anything below $247 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 42% above the $307 route average. Book 18 weeks before departure for the lowest fares.

  • 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 $312 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.

  • 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%.

  • 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.

  • 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 $99, which is 51% below the typical average for this route.

  • 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 averaging $57 for economy cars. Top options include:

    • NU Car
    • Easirent
    • Thrifty
    • Hertz
    • Dollar

  • 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 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:

    • Seattle/Tacoma Intl (SEA) - 30% of one-stop connections
    • Salt Lake City (SLC) - 26% of one-stop connections
    • Denver Intl (DEN) - 19% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 14% of one-stop connections

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

    Yes. Flexible dates can save you up to 23% on flights from Boise to Phoenix Sky Harbor Intl Airport. Tuesday is the cheapest departure day at $272 round-trip on average, while Friday is the most expensive at $349, a difference of $77.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly 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

  • 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 02m, compared with 4h 17m via Hollywood Burbank (BUR) and 4h 51m via Portland (PDX).

  • 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 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.

  • 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 extra legroom; offers free seat selection

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

  • 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 Economy Class
    • Southwest: a cabin bag in Economy Class class

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

  • Where can I rent a car at PHX?

    Car rentals at PHX are available at the Phoenix Sky Harbor Rental Car Center, located at 1805 E. Sky Harbor Circle South. The center is in a separate building and travelers can take the PHX Sky Train® there from the airport terminals. The PHX Sky Train operates every day, throughout the day and night.

  • How can I get to downtown Phoenix from PHX?

    Travelers can reach downtown Phoenix from PHX by public transportation, taxi, rideshare or intercity shuttle. Public transit includes four Valley Metro bus routes connected to the airport: 1, 13, 44 and 70. Taxis pick up at the airport curbs and rideshare services are available daily.

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

    Boise Airport offers accessibility services for passengers with reduced mobility throughout the airport. These include curbside unloading for departures on the upper-level roadway in front of the terminal, designated disabled parking spaces and wheelchair-accessible restrooms and facilities. Additional assistance is available through the airline before the flight.

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

    The Boise Airport Snake River Conference Center is on Level 3. It offers free Wi-Fi, conference rooms, microphones and speakers for meetings.

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 are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $272, about $77 less than Friday fares (22% 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 47% 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 $237 round-trip in that month - typically $145 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 $92 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
    • Holiday Inn & Suites Phoenix Airport By IHG
  • When you arrive at PHX, use one of the nursing stations in Terminals 3 and 4 to breastfeed or change your baby. Several are located both before and after security.
  • If you're arriving at PHX with children and have extra time at the airport, head to The Play-viation Park, the designated children's play area in Terminal 3.
  • Traveling with a pet or service animal? Use one of BOI's relief areas before your flight. The pre-security area is outside the terminal on the first floor, across the road from the passenger pick-up area and accessible via the east crosswalk. Another relief area is located after the security checkpoint.
  • Driving to Boise Airport (BOI)? You can choose short-term or long-term parking based on the length of your trip. Use the Economy Lot at Victory and Orchard or opt for curbside valet parking from The Car Park company.

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