Cheap Flights from Phoenix to Boise

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Flight deals from Phoenix to Boise

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

Find the cheapest month to fly from Phoenix to Boise

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

Direct flights from Phoenix to Boise

Phoenix to Boise: Alternative routes

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

Phoenix to Boise: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 2,061
Cheapest month to flyMarch
Average flight time2 hrs, 14 mins
Most popular airlineAmerican Airlines
Average flights per week194

Finding cheap flights from Phoenix to Boise: Frequently asked questions

The best price we found for a return flight from Phoenix to Boise is ج.م.‏ 4,672. 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 13 minutes is the average flight time from Phoenix to Boise.
American Airlines, SkyWest Airlines and Southwest Airlines fly direct from Phoenix to Boise.
As of February 2026, there are 194 flights per week flying from Phoenix to Boise.
The cheapest month to fly from Phoenix to Boise is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Boise Airport on Friday, 13 March 2026.
Yes – the average flight time is 2 hours and 13 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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Boise is Allegiant Air .

Flying from Phoenix to Boise Air Terminal (Gowen Field) Airport (BOI): What you need to know

  • Start planning your holiday by checking out the best departure point for your flight from Phoenix to Boise Air Terminal (Gowen Field) Airport (BOI). Explore your options for leaving from Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA), two of the city's main airports.

  • Boise is one hour ahead of Phoenix. Boise Air Terminal (Gowen Field) Airport is located in Boise, which is in the UTC-6 timezone.

  • Your flight from Phoenix to BOI won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Delays at check-in and security are more likely if you're travelling during high season, so allow some extra breathing room. The recommendation for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbour International Airport (PHX)

  • Planning to leave from Phoenix Sky Harbour International Airport (PHX)? Direct Phoenix to Boise Air Terminal (Gowen Field) Airport (BOI) flight tickets are available from this popular hub.

  • You can pick from a variety of airlines offering direct flights from Phoenix to BOI departing from PHX. Take off with any of these carriers and travel straight to your destination:

  • American Airlines is the most frequently booked airline flying from PHX to BOI.

  • Alaska Airlines is the most punctual carrier operating flights between Phoenix Sky Harbour International Airport and Boise Air Terminal (Gowen Field) Airport.

  • PHX is about 8 kilometres from central Phoenix. It'll take 10 minutes or so to get to the airport if you're driving from the city centre. Public transport takes approximately 35 minutes.

  • Taking off bright and early? Think about staying at one of these accommodation options near Phoenix Sky Harbour International Airport the day before your Phoenix to BOI flight:

  • Most flights that depart Phoenix Sky Harbour International Airport touch down at their destination as planned. It boasts a strong on-time performance rate of 82.57%.

  • PHX is located at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • One takeoff, one touchdown. You can book a direct flight from Phoenix to Boise Air Terminal (Gowen Field) Airport leaving from Phoenix-Mesa Gateway Airport (AZA).

  • Get ready for takeoff with Allegiant Air. It offers direct Phoenix to BOI flight tickets from AZA.

  • Most travellers prefer to book seats with Allegiant Air from AZA to BOI.

  • Allegiant Air stands out as the most punctual carrier on this route, with 81.25% of services arriving as scheduled.

  • Is around AZA 56 kilometres from central Phoenix. The drive from the city centre to the airport takes about 40 minutes.

  • Skip the morning rush on departure day — stay near Phoenix-Mesa Gateway Airport and know you'll reach the terminal with time to spare. Get settled at one of these hotels the day before if you've booked an early Phoenix to Boise Air Terminal (Gowen Field) Airport flight:

  • The on-time performance rating of AZA is 78.65%. In other words, that's how often flights that depart this airport arrive as planned.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • The centre of Boise is about 6 kilometres from Boise Air Terminal (Gowen Field) Airport. Travel times by car hire or cab will vary depending on traffic conditions and time of day, so do some research ahead of your trip.

  • It typically takes 1 hour 35 minutes if you're travelling by public transport.

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

  • ج.م.‏ 2,061 is the best price for a one-way ticket from Phoenix to Boise Air Terminal (Gowen Field) Airport. A return flight starts from ج.م.‏ 4,672. These prices may change depending on availability.

  • Lock in cheap flights from Phoenix to BOI by booking two months ahead. Based on our research, that's the ideal time frame for landing a bargain.

  • July is when you're most likely to find a good deal on a Phoenix to Boise Air Terminal (Gowen Field) Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Snapping up a cheap flight ticket from Phoenix to BOI is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as prices go down.

  • Tailor your travel plans using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Phoenix to Boise Air Terminal (Gowen Field) Airport.

The best time to fly from Phoenix to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is the busiest month for flights from Phoenix to Boise Air Terminal (Gowen Field) Airport (BOI). Plan your visit to Boise in May for a quieter experience.

  • Lock in a Phoenix to BOI flight ticket departing in July if you want to visit the city during its warmest month. Expect temperatures in Boise to range from 15ºC to 35ºC.

  • Search for cheap tickets from Phoenix to Boise Air Terminal (Gowen Field) Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -11ºC and 5ºC.

More about Boise

  • Once you've booked your flight from Phoenix to Boise Air Terminal (Gowen Field) Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Boise:

  • There are so many things to see and do in this city, it can be hard to figure out where to start. Cathedral Of The Rockies, Boise River Rafting and Boise Depot are highlights which should be on any well-planned Boise itinerary.

Explore more of the United States

  • Twin Falls is just one of the many cities in the United States waiting to be discovered once you've taken in the sights of Boise. Around 177 kilometres away to the south-east, check out popular attractions including Sawtooth National Forest, Twin Falls and Base jump the bridge.

  • La Grande is another must-experience destination in the United States and is around 241 kilometres north-west of Boise. No trip is complete without seeing Our Lady of the Valley, La Grande Skatepark and Jefferson Street Depot.

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