Cheap Flights from Boise ID to Phoenix AZ from $104

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Flight deals from Boise to Phoenix

Looking for a cheap last-minute deal or the best round-trip flight from Boise Airport to Phoenix? If you want to travel next month, round-trip fares start from $239. Find the lowest prices on one-way and round-trip tickets right here.

Phoenix.$104 per passenger.Departing Mon, Nov 2, returning Fri, Nov 13.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Boise on Mon, Nov 2, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Fri, Nov 13, arriving in Boise.Price includes taxes and charges.From $104, select.

Phoenix.$108 per passenger.Departing Mon, Oct 26, returning Fri, Nov 13.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Boise on Mon, Oct 26, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Fri, Nov 13, arriving in Boise.Price includes taxes and charges.From $108, select.

Phoenix.$108 per passenger.Departing Mon, Oct 26, returning Fri, Oct 30.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Boise on Mon, Oct 26, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Fri, Oct 30, arriving in Boise.Price includes taxes and charges.From $108, select.

Phoenix.$172 per passenger.Departing Tue, Sep 8, returning Tue, Sep 8.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Boise on Tue, Sep 8, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departing from Phoenix Sky Harbor on Tue, Sep 8, arriving in Boise.Price includes taxes and charges.From $172, select.

Phoenix.$191 per passenger.Departing Mon, Sep 28, returning Thu, Oct 1.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Boise on Mon, Sep 28, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Thu, Oct 1, arriving in Boise.Price includes taxes and charges.From $191, select.

Phoenix.$196 per passenger.Departing Wed, Aug 12, returning Mon, Aug 17.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Boise on Wed, Aug 12, arriving in Phoenix Sky Harbor.Inbound indirect flight with Alaska Airlines, departing from Phoenix Sky Harbor on Mon, Aug 17, arriving in Boise.Price includes taxes and charges.From $196, select.

Phoenix.$197 per passenger.Departing Wed, Aug 12, returning Mon, Aug 17.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Boise on Wed, Aug 12, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departing from Phoenix Sky Harbor on Mon, Aug 17, arriving in Boise.Price includes taxes and charges.From $197, select.

Phoenix.$222 per passenger.Departing Fri, Dec 18, returning Sat, Jan 2.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Boise on Fri, Dec 18, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Sat, Jan 2, arriving in Boise.Price includes taxes and charges.From $222, select.

Phoenix.$238 per passenger.Departing Fri, Dec 18, returning Mon, Dec 21.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Boise on Fri, Dec 18, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Mon, Dec 21, arriving in Boise.Price includes taxes and charges.From $238, select.

Phoenix.$239 per passenger.Departing Sat, Jul 11, returning Sat, Jul 18.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Boise on Sat, Jul 11, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Sat, Jul 18, arriving in Boise.Price includes taxes and charges.From $239, select.

Phoenix.$246 per passenger.Departing Mon, Oct 5, returning Mon, Apr 12.Round-trip flight with Allegiant Air and Alaska Airlines.Outbound direct flight with Allegiant Air departing from Boise on Mon, Oct 5, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Mon, Apr 12, arriving in Boise.Price includes taxes and charges.From $246, select.

Phoenix.$249 per passenger.Departing Wed, Feb 10, returning Sat, Feb 13.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Boise on Wed, Feb 10, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Sat, Feb 13, arriving in Boise.Price includes taxes and charges.From $249, select.

Phoenix.$250 per passenger.Departing Tue, Jun 30, returning Tue, Jul 21.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Boise on Tue, Jun 30, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Tue, Jul 21, arriving in Boise.Price includes taxes and charges.From $250, select.

Phoenix.$256 per passenger.Departing Sat, Jul 25, returning Sat, Aug 1.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Boise on Sat, Jul 25, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departing from Phoenix Sky Harbor on Sat, Aug 1, arriving in Boise.Price includes taxes and charges.From $256, select.

Phoenix.$317 per passenger.Departing Thu, Jun 25, returning Sat, Jun 27.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Boise on Thu, Jun 25, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Sat, Jun 27, arriving in Boise.Price includes taxes and charges.From $317, select.

Find the cheapest month to fly from Boise to Phoenix

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

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Direct flights from Boise to Phoenix

Alternative Boise to Phoenix routes

Looking for the cheapest, fastest or easiest route from Boise to Phoenix? You could fly into the following airports instead.

Boise to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$104
Cheapest month to fly	November
Average flight time	2 hrs, 13 mins
Most popular airline	American Airlines
Average flights per week	107

Finding cheap flights from Boise to Phoenix: Frequently asked questions

How many airports are there in Phoenix?

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.

How much are round-trip flights from Boise to Phoenix?

The best price we found for a round-trip flight from Boise to Phoenix is $104. 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 Boise to Phoenix?

2 hours and 12 minutes is the average flight time from Boise to Phoenix.

Which airlines fly direct from Boise to Phoenix?

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

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

There are 107 flights per week flying from Boise to Phoenix, as of June 2026.

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

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

What's the cheapest airport to fly to in Phoenix?

If you're flying from Boise Airport, the cheapest airport near Phoenix is Phoenix-Mesa Gateway – which is 41.9 km away from the center of Phoenix. We've found flights to this airport from $104.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Phoenix on Monday, November 2, 2026.

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

Yes – the average flight time is 2 hours and 12 minutes.

How can I get the best flight deal from Boise Airport to Phoenix?

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 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 Phoenix?

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.

What’s the weather like in Phoenix?

In June, the average temperature is usually around 30°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.

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

Currently, Allegiant Air offers the cheapest flight tickets to Phoenix.

Flying from Boise Air Terminal (BOI) to Phoenix: what you need to know

Book a direct flight from Boise Air Terminal to Phoenix and you'll be traveling for an average of 2 hours 15 minutes.
Phoenix's timezone is UTC-7, which is the same as Boise (the location of Boise Air Terminal).
Boise Air Terminal (BOI) to Phoenix Sky Harbor International Airport (PHX) is the most popular route, with 42 weekly flights to choose from. If you prefer a later start to the day, the last flight from BOI to PHX is with Alaska Airlines at 18:37. Opt for the first departure operated by Southwest Airlines at 05:25 if you want to get on your way earlier.
For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your BOI to Phoenix flight.
Traveling during a peak time like July? School holidays and other high seasons can lead to longer queues and delays at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.
You can book a direct Boise Air Terminal to Phoenix ticket. Begin your trip at BOI and land at Phoenix Sky Harbor International Airport (PHX).
You can choose from various airlines operating direct flights from Boise Air Terminal to Phoenix, such as:
BOI is around 6 kilometers from central Boise. If you're catching a cab, driving or ride-sharing from the center, it'll take you 15 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 30 minutes.
Looking for a hotel close to BOI? If you're catching an early flight from Boise Air Terminal to Phoenix, these stays set you up for a seamless send-off:
Boise Air Terminal has an excellent on-time record, making delays less likely. Departures from BOI make it to their destination as scheduled 84% of the time.
BOI's address is 3201 Airport Way.

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

$52 is currently the lowest price for a one-way Boise Air Terminal to Phoenix flight. Return plane tickets start at $104. These prices may change depending on demand and availability.
Don't leave everything to the last moment. You're more likely to pick up cheap flights from BOI to Phoenix if you book early. Airlines often have some excellent early bird deals.
Scoring cheap tickets from Boise Air Terminal to Phoenix is more likely if you can be flexible with your travel dates. Try using the 'Whole month' search function to get the best prices across each month and bag an incredible deal.
There's no need to keep checking in to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from BOI to Phoenix.
Tailor your flights with filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Boise Air Terminal to Phoenix.

Airports in Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix Sky Harbor International Airport (PHX) to central Phoenix takes about 10 minutes to reach by car. The center is roughly 5 kilometers away.
If you're traveling on public transport, expect a journey time of around 25 minutes.
The last thing you want is a long journey to your hotel if you're getting in late on a flight from Boise Air Terminal to Phoenix. Check in to one of these accommodation options near PHX instead:
For the best deal, reserve your ride from Phoenix Sky Harbor International Airport about one week ahead of your flight from BOI to Phoenix.
PHX is located at 3400 Sky Harbor Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

Phoenix-Mesa Gateway Airport (AZA) is about 32 kilometers from the center of Phoenix. Once you've hopped off your flight from Boise Air Terminal to Phoenix, it'll take you around 30 minutes to get to the heart of the city in a cab or ride-share.
You can expect the journey to take roughly 1 hour 15 minutes on public transport.
There are some comfortable places to drop your things at near AZA. Unwind and get cozy after your BOI to Phoenix flight at any of these well-located options:
Don't pay more than you need to. Booking your ride two weeks ahead of your arrival at AZA will help you stay within budget.
Phoenix-Mesa Gateway Airport can be found at 6033 S. Sossaman Rd..

Best time to go to Phoenix

October is the quietest month for flights from Boise Air Terminal to Phoenix, while March is the busiest. Choose the ideal time to go to Phoenix based on whether you prefer a laid-back vibe or a lively atmosphere.
The warmest month in Phoenix is July, with temperatures ranging between 27ºC (81ºF) and 45ºC (113ºF). Book your Boise Air Terminal to Phoenix plane ticket then if that's the weather you find most pleasant.
Search for cheap tickets from BOI to Phoenix in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 21ºC (70ºF) on average.

More about Phoenix

After booking your flight from Boise Air Terminal to Phoenix, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Phoenix:
There are so many things to do and see in this city it can be tricky to work out where to start. Yayoi Kusama Fireflies Infinity Mirror Room, Camelback Mountain and Heard Museum are highlights which should be on any well-planned Phoenix itinerary.

Explore more of the United States

Phoenix is always a good idea, but there are so many other parts of the United States waiting to be discovered. About 483 kilometers west of Phoenix, a visit to San Diego will keep your itinerary packed. Check out popular attractions like San Diego Zoo, San Diego Balboa Park and USS Midway Museum.
If you're eager to discover another corner of the United States, head for Las Vegas, roughly 418 kilometers northwest of Phoenix. Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio are among the biggest draws.