£74 Cheap Flights from Boise (BOI) to Phoenix (PHX)

You can find one-way and return flights from BOI to PHX with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BOI to PHX ticket fares go up or down.

If you're looking for the cheapest time to fly from Boise, ID (BOI) to Phoenix, AZ (PHX-Sky Harbor Intl.), September is typically your best bet. You can expect average return flight prices around £178 during this month. September often sees lower prices as the summer travel rush winds down and before the holiday season picks up, leading to less demand. Other budget-friendly months for this route include January and August.

Enter BOI to PHX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Boise, ID (BOI) to Phoenix, AZ (PHX), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly from Boise, ID (BOI) to Phoenix, AZ (PHX-Sky Harbor Intl.) is typically September or August. These months offer a great balance—prices are reasonable at around £178 for a return flight, and you'll have plenty of flight options since they're popular times to travel. September brings pleasant early autumn weather to Phoenix, while August can offer good fares before the peak travel season. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Boise, ID (BOI) to Phoenix, AZ (PHX). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

Flying nonstop from BOI to PHX takes around 2 hours 20 minutes, with the route covering approximately 1,184 kilometers. Flights with a layover typically take 4 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for Boise, ID (BOI) to Phoenix, AZ (PHX) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Boise, ID (BOI) to Phoenix, AZ (PHX) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Boise, ID (BOI) to Phoenix, AZ (PHX) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Boise, ID (BOI) to Phoenix, AZ (PHX) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Boise, ID (BOI) to Phoenix, AZ (PHX) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.