Cheap Flights from Boise to Phoenix Sky Harbor

Compare Boise to Phoenix Sky Harbor flight deals

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Flight deals from Boise to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best return flight from Boise to Phoenix Sky Harbor? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boise to Phoenix Sky Harbor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Phoenix Sky Harbor flights are currently cheapest in December.

Direct flights from Boise to Phoenix Sky Harbor

Boise to Phoenix Sky Harbor: Alternative routes

Compare routes from Boise to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Boise to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundR 1,045
Cheapest month to flyDecember
Average flight time2 hrs, 14 mins
Most popular airlineAmerican Airlines
Average flights per week210

Finding cheap flights from Boise to Phoenix Sky Harbor: Frequently asked questions

The best price we found for a return flight from Boise to Phoenix Sky Harbor is R 2,023. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 14 minutes is the average flight time from Boise to Phoenix Sky Harbor.
American Airlines, SkyWest Airlines and Southwest Airlines fly direct from Boise to Phoenix Sky Harbor.
As of October 2025, there are 210 flights per week flying from Boise to Phoenix Sky Harbor.
The cheapest month to fly from Boise to Phoenix Sky Harbor is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Phoenix Sky Harbor Airport on Sunday, 1 March 2026.
Yes – the average flight time is 2 hours and 14 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix Sky Harbor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

Travelling from Boise Air Terminal (Gowen Field) Airport (BOI) to Phoenix Sky Harbour International Airport (PHX): what you need to know

  • Around 2 hours 10 minutes is how long you'll be travelling on a direct flight from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport.

  • The timezone in Phoenix is UTC-7, which is one hour behind Boise.

  • Flights from BOI to PHX start from 05:25 — the earliest with Southwest Airlines. The latest departure is at 18:15 with Southwest Airlines. In total, there are 93 weekly Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport flights.

  • Your BOI to PHX flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during a high season in general.

  • You can travel nonstop to Phoenix, United States. Book a ticket with one of these airlines that offer direct flights from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport:

  • The majority of passengers choose to travel with American Airlines on this route.

  • With a reliable 95.04% of services arriving as planned, Alaska Airlines is the most punctual carrier operating BOI to PHX flights.

  • If you'd like to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport. Here are the most popular stopovers between BOI and PHX:

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Long Beach Airport

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Phoenix Sky Harbour International Airport (PHX)

  • Right now, R 1,045 is the lowest price we've found for a one-way Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport flight. The best price for a return ticket is R 2,023. Keep in mind that fares could change due to demand when booking.

  • Book six months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from BOI to PHX.

  • The cheapest month for flights from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's a better deal on cheap flights from BOI to PHX.

  • Find the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • The address for BOI is 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport has a strong on-time performance, reducing the likelihood of delays. Departures from BOI arrive on schedule 83.53% of the time.

  • To get to Boise Air Terminal (Gowen Field) Airport from central Boise, it'll take about 20 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 18 kilometres from the airport to the city centre.

  • Planning to catch public transport? You can expect a journey time of around 1 hour 35 minutes.

  • Booked an early flight from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels near BOI:

Arriving at Phoenix Sky Harbour International Airport (PHX)

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

  • The address for PHX is 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour International Airport is roughly 8 kilometres from central Phoenix. The drive time takes about 10 minutes.

  • When travelling by public transport, expect a journey of roughly 35 minutes.

When to fly to Phoenix Sky Harbour International Airport (PHX)

  • It's time to work out your dates for your flight from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport. July is the most popular month to head to Phoenix. If you'd like a quieter vibe, go in May.

  • Book your flight from Boise Air Terminal (Gowen Field) Airport to Phoenix Sky Harbour International Airport for July if you'd like to explore Phoenix during its warmest month. Expect temperatures of between 26ºC (79ºF) and 44ºC (111ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from BOI to PHX in January. Average temperatures are between 4ºC (39ºF) and 20ºC (68ºF) then.

Explore more of United States

  • Phoenix has its own special appeal, but there are so many other corners of United States you'll want to see. Around 483 kilometres west of Phoenix, a visit to San Diego will keep your itinerary packed. Don't miss top attractions like San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

  • If you want to check out another corner of United States, head for Las Vegas, about 418 kilometres north-west of Phoenix. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.