BOI

$90 Find Cheap Flights from Phoenix to Boise

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Phoenix to Boise departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Phoenix to Boise.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Phoenix to Boise.
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Everything you should know

Cheapest round-trip
$209
Typical prices: $364-$225
Frontier, Alaska Airlines
Thu 5/28Mon 6/1
PHX - BOI • 1 stop
Cheapest non-stop
$217
Typical prices: $361-$219
Alaska Airlines
Sat 5/30Tue 6/2
PHX - BOI • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest offers two free checked bags for extra luggage.
American's Main Cabin Extra includes early boarding.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $215 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with Alaska Airlines, American Airlines and Southwest. Average duration is 2h 10m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 7% average savings
Most popular
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 54% compared to booking last minute.
Insights
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Flight Deals

Cheap Flights from Phoenix to Boise

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Phoenix to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phoenix to Boise

Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
5:15 am - 12:30 pm
PHX
-
BOI
6h 15m
1 stop
Multiple Airlines Logo
6:08 pm - 7:17 pm
BOI
-
PHX
2h 09mnonstop
$209Multiple Airlines
Thu, May 21 - Sun, May 24
Frontier Logo
5:15 am - 12:30 pm
PHX
-
BOI
6h 15m
1 stop
Frontier Logo
1:25 pm - 7:44 am
BOI
-
PHX
19h 19m
1 stop
$215Frontier
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
7:59 pm - 11:11 pm
PHX
-
BOI
2h 12mnonstop
Alaska Airlines Logo
6:08 pm - 7:17 pm
BOI
-
PHX
2h 09mnonstop
$217Alaska Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
5:15 am - 12:30 pm
PHX
-
BOI
6h 15m
1 stop
Multiple Airlines Logo
6:12 pm - 11:56 pm
BOI
-
PHX
6h 44m
1 stop
$219Multiple Airlines
Thu, Jun 4 - Sun, Jun 7
Frontier Logo
5:15 am - 12:38 pm
PHX
-
BOI
6h 23m
1 stop
Frontier Logo
1:33 pm - 7:44 am
BOI
-
PHX
19h 11m
1 stop
$224Frontier
Sun, May 31 - Thu, Jun 4
Frontier Logo
5:15 am - 12:30 pm
PHX
-
BOI
6h 15m
1 stop
Frontier Logo
1:33 pm - 9:10 pm
BOI
-
PHX
8h 37m
1 stop
$225Frontier
Sat, May 30 - Mon, Jun 1
Alaska Airlines Logo
7:59 pm - 11:11 pm
PHX
-
BOI
2h 12mnonstop
Alaska Airlines Logo
6:08 pm - 7:17 pm
BOI
-
PHX
2h 09mnonstop
$227Alaska Airlines
Thu, Jun 4 - Sun, Jun 7
Multiple Airlines Logo
5:15 am - 12:38 pm
PHX
-
BOI
6h 23m
1 stop
Multiple Airlines Logo
6:08 pm - 7:17 pm
BOI
-
PHX
2h 09mnonstop
$228Multiple Airlines
Thu, May 28 - Thu, Jun 4
Allegiant Air Logo
9:00 am - 3:10 pm
AZA
-
BOI
5h 10m
1 stop
Allegiant Air Logo
3:07 pm - 7:24 pm
BOI
-
AZA
5h 17m
1 stop
$344Allegiant Air
Sun, May 31 - Thu, Jun 4
Allegiant Air Logo
9:00 am - 3:10 pm
AZA
-
BOI
5h 10m
1 stop
Allegiant Air Logo
3:07 pm - 7:24 pm
BOI
-
AZA
5h 17m
1 stop
$348Allegiant Air
Booking Insights

KAYAK's insights & trends for Phoenix to Boise flights

Get data-powered insights and trends into flights from Phoenix to Boise to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Phoenix to Boise?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Phoenix to Boise departing in May.

What is the cheapest Phoenix to Boise flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Phoenix to Boise costs $186 on the route between Phoenix-Mesa Gateway Airport (AZA) and Boise (BOI). Over the past month, this route was, on average, 7% cheaper than other Phoenix-Boise routes. The most popular route is between Phoenix Sky Harbor Intl Airport (PHX) and Boise (BOI).

What’s the cheapest day of the week to fly from Phoenix to Boise?

The average price of all round-trip flights from Phoenix to Boise clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Phoenix to Boise, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Boise, Thursday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from Phoenix to Boise?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Phoenix to Boise, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Phoenix to Boise is August, where tickets cost $78 (return) on average. On the other hand, the most expensive months are May and January, where the average cost of round-trip tickets is $141 and $126 respectively.

How far in advance should I book a flight from Phoenix to Boise?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Phoenix to Boise, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Phoenix to Boise, you should book around 4 weeks before departure, which saves you about 54% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

Expert advice

Expert advice for your flight from Phoenix to Boise

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Cheapest flight$90
Flight from Phoenix Sky Harbor Airport to Boise

When to book flights from Phoenix to Boise

Are your dates flexible? Find out the best times to travel from Phoenix to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Phoenix to Boise

  • What is the cheapest flight from Phoenix to Boise?

    In the last 3 days, the lowest price for a flight from Phoenix to Boise was $90 for a one-way ticket and $209 for a round-trip.

  • Do I need a passport to fly between Phoenix and Boise?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Phoenix and on arrival in Boise.

  • Which airports will I be using when flying from Phoenix to Boise?

    On your way to Boise, you’ll fly out from one of these Phoenix airports: Phoenix-Mesa Gateway or Phoenix Sky Harbor Intl. You’ll be landing at Boise Air Term. Gowen Fld.

  • Which aircraft models fly most regularly from Phoenix to Boise?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Phoenix to Boise?

    SkyTeam, and oneworld are the airline alliances operating flights between Phoenix and Boise, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Phoenix to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phoenix to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phoenix to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Phoenix is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Phoenix to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Phoenix with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phoenix to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Phoenix up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Phoenix to Boise?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Phoenix to Boise Air Term. Gowen Fld.
Find which airlines fly direct from Phoenix to Boise Air Term. Gowen Fld Airport, which days they fly and book direct flights.

Direct departures

Phoenix to Boise Air Term. Gowen Fld

Monday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

See more direct flights

Direct returns

Boise Air Term. Gowen Fld to Phoenix

Monday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Southwest

Alaska Airlines,American Airlines, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Phoenix to Boise

 
See real verified KAYAK customer reviews for airlines flying from Phoenix to Boise. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Phoenix to Boise? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12330 reviews
8.5Crew
8.1Boarding
7.8Comfort
7.1Food
7.0Entertainment
Airline reviews

onboard snack was pretzels, but the FA was super nice when my neighbor asked for cookies instead and also brought some for me. :)

10.0 ExcellentJennifer, Apr 2026
PHX - PDX
Read more Alaska Airlines reviews

onboard snack was pretzels, but the FA was super nice when my neighbor asked for cookies instead and also brought some for me. :)

No outlets, plugs, way to charge the phone or service and no food on one leg o the trip, but other than that, great. Loved WIFI, the flight, the crew, the pilots, the schedule, etc. Great job. My new favorite airline!

Wonderful as always! Pleasant staff, smooth ride, and timely departure.

It was fine. I upgraded to premium economy & lived the extra legroom. Unfortunately, I was seated next to a man who sniffled A LOT during the flight and had his earphones on so loud that I could hear the music sitting next to him!

My seat and tray were filthy. Someone’s used straw was in the seat pocket and there were coffee stains and food crumbs on the tray table

Flight was scheduled to leave at 6a and delayed for 5 hours due to “mechanical” issues. Everyone else on the flight received an email voucher for $24 of food for the delay, except for our group. Also the carry on luggage bins were full and the crew requested that everyone to pass their carry ons back up to the front while everyone was still standing. They gave no other direction and kept rushing the process. After all bags were sent up, they then asked for seat #s to go with each bag… They should have probably had everyone get to their sits and then pass the bags up in a controlled process.

From Las Vegas to Boise all went well. However, our flight was delayed in Boise and I missed my connecting flight from Seattle to Pasco. Moreover, the last flight to Pasco was full and I was booked on the 11:30 flight Sunday and given a hotel accommodation. However, I was scheduled to deliver the Sunday morning service at my church and needed to arrive no later than 10:00. Therefore, I booked a Delta flight scheduled to arrive in Pasco at 23:09. My piece of luggage checked in Las Vegas arrived in Pasco earlier today. I waited at the airport for over an hour last night to speak with an Alaska agent to no avail. I went back after church this morning in search of my piece of luggage and it could not be located. After waiting for 40 minutes to speak to the agent authorized to take my claim, he announced that he was closing the counter to assist on the flight line but not before providing me with a telephone number that would help me with filing my claim. Before I was able to make the call (due to other factors) I received a call from Alaska agent informing me that my luggage had just arrived and I am now waiting for it to be delivered. I deliberately took the more complicated route home to ensure that I would be home in plenty of time to prepare for myself for the Sunday service and accommodate my relatives’ needs. I believe the airport is undermanned given the number of flights coming in and going out. It was fiasco last night with three flights waiting for luggage and another flight landing within minutes. Today’s problems stemmed from a lack of cross training and a serious amount of cargo/baggage going out and too few people scheduled to cover.

The seats were not very comfortable and there were no TV screens. Boarding was pretty fast because there were so few people on such a small plane and I appreciated that they still gave us our snack and drinks, however I really wish they would come up with a good gluten-free snack.

Poor, the last leg of our trip was cancelled and we didn't know about it until we arrived at the airport. Another flight on the same airline was not available until three days later which would have ruined our vacation. Luckily we were able to get re-blooked on another airline after spending hours at the airport.

Flight crew and flight were good. But it departed two hours late.

Truly terrible. Will never willingly fly southwest again. Seats are worse than before they switched to assigned seating. One flight attendant was the opposite of helpful (rude, unhelpful, dismissive, and as my stranger seatmate said unprompted: a total prick). This caused me, 15 minutes into the flight, to book an alternate return flight home on a competing airline (first class 1.2k purchase instead of my existing planned flight) just so I would not have to ever be on that aircraft, with that terrible service person, with those horrific seats ever again.

Not having a five hour delay with little notice! The crew was very kind, though, and just as tired as we passengers were. The flight didn't depart until nearly 1 am...and no reason was ever given.

The entire experience from boarding to landing was amazing! The crew were very friendly. Will definitely be back.

no service at all due to turbulence. they should've at least given us snacks, there were only 10 people on the entire flight.

First time I've had to use the disabled accommodations. And I could not have had a better experience with Southwest, i was having trouble getting from one terminal to another due to my heart failure. And the next thing I know a Southwest agent had made sure. I had a wheelchair at all my flights. Can't thank them enough.

Delayed flight, lack of information, boarding process is a mess as is the carryon luggage causing issues when leaving the plane….just a poor experience.

Comfortable. Easy. No problems. Just wish they had gf options for snacks.

The crew was very kind and made going to Hawaii relaxing and fun to look forward to! Thank you Southwest for a pleasant flight!

This leg was much better, but we did have to have a 3 hour lay o er after coming from a very exhausting hiccup with our flight from BNA to Den

We waited in the airplane for over 45 min for a southwest employee to make the flight. This cause over half the plane to miss their connecting flight in Denver. When we confronted the desk upon arrival, they told us the only flight they had was the next day leaving at 8:50 pm!!! Or they offered to get us to Burbank or LA, but after that we were on our own to get back to Santa Barbara. I paid for a flight from sba to bna bna to sba. My re entry into mom mode has been 💯 rough because of southwest mistake with my flight. And now I’m leaving to Reno tomorrow for a vballl tournament and just discovered that my leg in Vegas has me and my 3 kids on a stand by flight even though I had booked these ticket last year November!! Do better southwest!

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

The agent at check in and at the gate were less than thrilled to be at work. I'm not a fan of Kayak's placement on the plane. I got put in the middle seat and none of my preferences were used.

In ATL they have two sets of departure screens. Follow what is on your airline's departure board - the ATL Airport Authority departure board had completely incorrect details about the gate assignment for my flight, which would have made me miss boarding.

Flight was delayed it was hot while sitting on the plane, one engine was working on the plane until they had to do some jimmy rigging down the runway in order for the other engine to charge up. It was ridiculous

The flight was very good and the staff was very friendly and helpful!

The only thing I would say is we tried to get on a standby earlier flight, but with our fair we couldn’t. That seems senseless to leave with open seats..

Very easy to use and convenient, you can perform any action within the same portal

In a world of delays, Delta was on time both ways! Boarding was fast and efficient. Staff was friendly. AND wifi worked.

WiFi didn’t work. Flight delayed 3 hours Crew members were illiterate Seat lean back did not work.

Flight was delayed, we could have been notified earlier and in a consistent manner. App was not refreshing for another passenger to get the latest flight status. We could have stayed and waited at the hotel instead of waiting at the airport had we known the flight was going to delayed for more than 5 hours. The toilet is too tight, and needs to be cleaned more frequently (every hour). The entertainment screen froze, the touch screen not responding to touch. We were upgraded to comfort, it is more comfortable than regular economy seats.

Flight delayed two hours , missed connection flight then connection cancelled- horrible experience with hotel

Omg the disaster at the security was on another level! “Go to this end, sorry closed now, go to that end”. Ridiculous! This took over an hour! As far as the airline was concerned although I booked nearly a year ago I couldn’t get my bag tag - stand in another 15 minute line or my seat on Hawaiian Airlines- 5 more minutes! Then my TSA status was denied. Like what the heck! Makes a person not want to travel with this amount of incompetence

The Honolulu Hub needs 2 to 3 times the amount of things to do as well as shuttles that transport to/from gates and terminals. Arriving from OCONUS locations; transferring to CONUS locations its a miserable experience. Fetching and re-checking bags, then returning to a gate across the airport take longer than any other large airport. If youre confused by what I mean, the process goes like this: Disembark plane Walk a mile to the main terminal Walk half a mile to baggage claim Wait 40 minutes for baggage Walk a mile to re-check-in baggage Wait 20 minutes for checking in those bags Fo back through the wrong TSA line because the signage is poor Almost miss the connecting flight because your gate is across the airport.

The checking was disaster, the crew wasn't behave well. It took us two hours to check in, after that thr line at the TSA was long, we barely make the flight. Bad airline

Fabulous if you have a portable wheelchair. They can store it in the galley and you can just walk out with it. Really nice and the flat seats are just incredible, very nice. iPads for movies, also pretty nice,

The crew were exceptionally nice and accommodating. My wife was tired after the flight from Haneda, Tokyo. They let her sleep and served her dinner later after she woke up, before we landed in PDX.

No charging outlets worked. Other than collecting trash attendants didn’t come around. No one could hear flight attendants announcements during the flight. Seat pads were horrible. Sitting on a board for 5 hours. What happened to Hawaiian airlines comfort, hospitality, and extras? Our pilots did an excellent job trying to minimize turbulence and incredible job in landing in windy conditions.

I like that if they asked you to checked in a bag at the gate they give you priority to board

Horrible food and crew. Crew were laughing and talking loud while people were trying to sleep

Yall need to integrate your system with Alaska more efficiently. They booted me off the first flight because of a discrepancy on your end.

not sure why you ask about food, I n3ver get food on flights except maybe cookies or pretzels. wifi was slow and in and out most of the flight not good.

I'm not sure American is capable of on-time arrivals and departures. When you land at ORD, you almost always get held on the tarmac because your gate is still occupied. I may have missed my connection, but that ended up up being significantly delayed as well. Once again, I finally got home well after midnight.

there are no options s for snack besides cookies would ve nice to have a salty option n

Early morning flight and no food in First Class except a "salmon" box. No thank you. Was informed before take off by Captain that the plane was not serviced before we boarded in Phoenix. How does that happen? Need more frequent additions/turn over on the Entertainment. Thanks

It was the most un-special flight experience in my life.

We called Kayak for a change due to the TSA situation in Atlanta. What we got was a canceled return flight (in error) and we had to find the mistake. Not happy with Kayak who blamed it on AA.

I would have liked vegetarian and gluten free options for evening dinner time flight. I would have like a pillow on the international overnight flight . The veg wrap and oaten desert on the international flight was good

The baggage claim experience was poor. The plane crew and the AA app said that checked baggage in CLT would be at carousel 7 but the sign at Baggage Claim said carousel 1. The carousel 1 sign had the correct flight # listed above the belt. But the luggage never came. I went to an AA baggage claim office after about 1 hour and the clerk directed me to another AA room that was poorly marked, with a closed door and no obvious way to know what to do. Finally someone opened the door and my bag was inside. The clerk was totally unable to explain why.

Lack of gluten free options in food service. I have Celiac disease and it appears you no longer offer special meals for people with dietary restrictions. I am a frequent flyer traveling into and out of Omaha airport. I have noticed over the course of several months that although our flight typically arrives ahead of schedule (awesome job AA!) - we typically sit on the runway for several minutes waiting for the ground crew to get in place. Not sure if it is a ground crew issue or a gate availability issue (due to construction at this airport). Seems to be more of a ground crew being on time issue.

Arriving plane went to wrong gate. Flight Attendant was late. Was in no Hurry when he arrived. Flight was fine. Plane had to wait 20 minutes to get assigned a gate due to designated gate tied up. barely connected.. Boarded extremely late on final leg of trip.

Everything you need to know for your flight from Phoenix to Boise

Information on your arrival and departure airports