Cheap Flights from Phoenix to Boise from $181

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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 Airport? If you want to travel next month, return fares start from $417. Find the lowest prices on one-way and return tickets right here.

Boise.$181 per passenger.Departing Fri, 30 Oct, returning Mon, 2 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 30 Oct, arriving in Boise.Inbound direct flight with Allegiant Air departs from Boise on Mon, 2 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $181, select.

Boise.$195 per passenger.Departing Fri, 11 Dec, returning Mon, 14 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 11 Dec, arriving in Boise.Inbound direct flight with Allegiant Air departs from Boise on Mon, 14 Dec, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $195, select.

Boise.$205 per passenger.Departing Fri, 13 Nov, returning Mon, 16 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 13 Nov, arriving in Boise.Inbound direct flight with Allegiant Air departs from Boise on Mon, 16 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $205, select.

Boise.$212 per passenger.Departing Fri, 23 Oct, returning Mon, 26 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 23 Oct, arriving in Boise.Inbound direct flight with Allegiant Air departs from Boise on Mon, 26 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $212, select.

Boise.$216 per passenger.Departing Fri, 20 Nov, returning Fri, 4 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 20 Nov, arriving in Boise.Inbound direct flight with Allegiant Air departs from Boise on Fri, 4 Dec, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $216, select.

Boise.$394 per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Fri, 28 Aug, arriving in Boise.Inbound direct flight with Southwest Airlines departs from Boise on Mon, 31 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $394, select.

Boise.$412 per passenger.Departing Thu, 30 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 30 Jul, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Thu, 6 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $412, select.

Boise.$417 per passenger.Departing Wed, 15 Jul, returning Thu, 30 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 15 Jul, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Thu, 30 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $417, select.

Boise.$425 per passenger.Departing Wed, 9 Sep, returning Mon, 14 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 9 Sep, arriving in Boise.Inbound direct flight with Southwest Airlines departs from Boise on Mon, 14 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $425, select.

Boise.$441 per passenger.Departing Thu, 30 Jul, returning Sat, 1 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Thu, 30 Jul, arriving in Boise.Inbound direct flight with Southwest Airlines departs from Boise on Sat, 1 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $441, select.

Boise.$442 per passenger.Departing Wed, 8 Jul, returning Mon, 13 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 8 Jul, arriving in Boise.Inbound direct flight with Southwest Airlines departs from Boise on Mon, 13 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $442, select.

Boise.$472 per passenger.Departing Thu, 25 Jun, returning Sun, 28 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 25 Jun, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Sun, 28 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $472, select.

Boise.$532 per passenger.Departing Wed, 23 Dec, returning Sun, 3 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Wed, 23 Dec, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Sun, 3 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $532, select.

Boise.$586 per passenger.Departing Fri, 31 Jul, returning Mon, 2 Nov.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Phoenix-Mesa Gateway on Fri, 31 Jul, arriving in Boise.Inbound indirect flight with Allegiant Air, departs from Boise on Mon, 2 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $586, select.

Boise.$627 per passenger.Departing Tue, 30 Jun, returning Fri, 3 Jul.Return flight with Frontier Airlines and Alaska Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 30 Jun, arriving in Boise.Inbound indirect flight with Alaska Airlines, departs from Boise on Fri, 3 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $627, select.

Boise.$637 per passenger.Departing Tue, 30 Jun, returning Fri, 3 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Tue, 30 Jun, arriving in Boise.Inbound direct flight with Southwest Airlines departs from Boise on Fri, 3 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $637, select.

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 December.

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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.

Boise

5km from central Boise

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from $181

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Phoenix to Boise: Flight information

The things to know before you go.

Cheapest flight found	$181
Cheapest month to fly	October
Average flight time	2 hrs, 14 mins
Most popular airline	American Airlines
Average flights per week	108

Finding cheap flights from Phoenix to Boise: Frequently asked questions

How much are return flights from Phoenix to Boise?

The best price we found for a return flight from Phoenix to Boise is $181. 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.

How long does it take to fly from Phoenix to Boise?

2 hours and 14 minutes is the average flight time from Phoenix to Boise.

Which airlines fly direct from Phoenix to Boise?

American Airlines, SkyWest Airlines and Southwest Airlines fly direct from Phoenix to Boise.

How many flights are there a week from Phoenix to Boise?

As of June 2026, there are 108 flights per week flying from Phoenix to Boise.

When is the cheapest time to fly from Phoenix to Boise?

The cheapest month to fly from Phoenix to Boise is usually October.

Which upcoming date is cheapest to fly from Phoenix to Boise Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Boise Airport on Friday, 30 October 2026.

Can I get a direct flight from Phoenix to Boise Airport?

Yes – the average flight time is 2 hours and 14 minutes.

How can I find the best flight deal to Boise?

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.

When is the best time to book flights to Boise?

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.

Which is the cheapest airline to fly from Phoenix to Boise with?

The cheapest airline that flies to Boise is Allegiant Air .

Travelling from Phoenix to Boise Air Terminal (BOI): What you need to know

Kick off your travels at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore your options for booking a flight from Phoenix to Boise Air Terminal (BOI) departing from either of these.
Around 2 hours 15 minutes is how long you'll be in the air on a direct Phoenix to Boise Air Terminal flight.
Phoenix and Boise (where Boise Air Terminal is located) share the UTC-7 timezone. That means you won't have to change your watch when you arrive.
Phoenix Sky Harbour International Airport (PHX) to Boise Air Terminal (BOI) is the most popular route. There are 42 direct weekly flights to pick from. If you prefer a later start to the day, take the last flight with Southwest Airlines at 9:50pm. Opt for the first PHX to BOI departure with Southwest Airlines at 7:45am if you'd rather get going earlier.
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 when you're flying internationally.
With more people on the move during busy months like March, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues. Remember things also get busy during major holidays like July Fourth.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

Enjoy an uninterrupted journey from Phoenix Sky Harbour International Airport (PHX). Nonstop flights from Phoenix to Boise Air Terminal (BOI) are available from here.
At PHX, there's a range of airlines that operate direct flights from Phoenix to Boise Air Terminal, including:
The majority of travellers prefer to fly with American Airlines from PHX to BOI.
Among carriers operating on this route, Alaska Airlines has the best track record for timely arrivals.
Located around 5 kilometres from the centre of Phoenix, PHX can be reached in about 10 minutes by car, depending on traffic. The journey by public transport is roughly 25 minutes.
In search of a comfortable hotel close to Phoenix Sky Harbour International Airport? If you're catching an early flight from Phoenix to Boise Air Terminal, these accommodation options will put you moments from your departure lounge:
Phoenix Sky Harbour International Airport has a solid on-time performance, reducing your chances of a delayed flight. Departures from PHX land on schedule 80% of the time.
You'll find PHX at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

Planning to leave from Phoenix-Mesa Gateway Airport (AZA)? Direct Phoenix to Boise Air Terminal (BOI) plane tickets are available from this popular hub.
From AZA, direct flights from Phoenix to BOI are available with Allegiant Air.
Allegiant Air attracts the most bookings on the AZA to BOI route.
Book with Allegiant Air if punctuality is a priority. Its flights between Phoenix-Mesa Gateway Airport and Boise Air Terminal arrive as scheduled 82.86% of the time.
On public transport, you can travel from central Phoenix to AZA in around 1 hour 15 minutes. The airport is roughly 32 kilometres away, and getting there by car takes approximately 30 minutes.
Start your holiday early with an additional night away from home. Before catching your Phoenix to BOI flight, kick back in one of these hotels near Phoenix-Mesa Gateway Airport:
Most flights that leave Phoenix-Mesa Gateway Airport arrive at their destination within the expected time frame. It boasts a strong on-time performance rate of 82%.
The street address for AZA is 6033 S. Sossaman Rd..

About Boise Air Terminal (BOI)

If you're coming in on a late flight from Phoenix to Boise Air Terminal, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these hotels near BOI:
Get the best deal by reserving your vehicle around one week before your Phoenix to Boise Air Terminal flight.
You'll find BOI at 3201 Airport Way.

Getting from Boise Air Terminal (BOI) to central Boise

Central Boise is around 6 kilometres from Boise Air Terminal and takes about 15 minutes to reach by car. See what your options are for making the trip into the city, whether that's with a car hire, taxi or ride-share.
It takes around 30 minutes if you're travelling by public transport.

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

$90 is the best price for a one-way ticket from Phoenix to Boise Air Terminal. A return flight starts from $181. These prices may change based on availability and demand.
Book two months before your departure date. Research into pricing trends suggests this is the ideal window for finding cheap flights from Phoenix to BOI.
The best month for landing cheap Phoenix to Boise Air Terminal tickets is July. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.
There's no need to check back in every day to find out if prices have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on plane tickets from Phoenix to BOI.
Nail down a great price on a flight from Phoenix to Boise Air Terminal with the help of the filters. Pick your ideal arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

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

Picture the kind of break you want when deciding when to fly. December is the quietest month to go to Boise. July is when most people book flights from Phoenix to Boise Air Terminal (BOI), which may be ideal if you enjoy travelling when it's busier.
Lock in a Phoenix to BOI plane ticket departing in July if you're eager to explore the city during its warmest month. You can expect temperatures in Boise to range from 15ºC to 35ºC.
January has temperatures of between -11ºC and 5ºC. Look for cheap tickets from Phoenix to Boise Air Terminal around that time if you want to travel in cooler conditions.

More about Boise

When it comes to searching for somewhere to rest your head, you'll find the best stays in Boise right here. Browse these hotels after you've booked your flight from Phoenix to Boise Air Terminal:
There are so many things to discover in this city, it can be tricky to work out where to begin. Cathedral Of The Rockies, Boise Depot and St. John's Cathedral are leading attractions which should be on any good Boise itinerary.

Explore more of the United States

You've seen Boise, now it's time to explore other parts of the United States. Travel around 177 kilometres southeast to Twin Falls to check off its must-visit sights. From Twin Falls to Snake River Canyon Trail and Perrine Memorial Bridge Scenic Overlook Visitor Centre, there's plenty to keep you on the go.
Your trip through the United States wouldn't be complete without visiting La Grande. Historic Birnie Park is among the highlights in this destination, which is around 241 kilometres northwest of Boise.