BOI

$62 Find Cheap Flights from Phoenix to Boise - Compare and Save

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 9/28. 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.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$236
Typical prices: $174-$329
Frontier
Fri 10/30Sun 11/1
PHX - BOI • 1 stop
Cheapest non-stop
$237
Typical prices: $182-$393
Alaska Airlines
Thu 9/10Mon 9/14
PHX - BOI • Non-stop
Top airlines
Cheapest • from $236 (round-trip)
Best reviews • 8.0 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 08m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 14% 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 51% compared to booking last minute.
Insights
Insights
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Flight Deals
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Expert advice
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

Fri, Oct 30 - Sun, Nov 1
Frontier Logo
7:05 am - 2:57 pm
PHX
-
BOI
6h 52m
1 stop
Frontier Logo
3:52 pm - 8:58 am
BOI
-
PHX
17h 06m
2 stops
$236Frontier
Fri, Aug 28 - Fri, Sep 4
United Airlines Logo
11:32 am - 5:58 pm
PHX
-
BOI
5h 26m
1 stop
United Airlines Logo
5:00 am - 9:04 am
BOI
-
PHX
5h 04m
1 stop
$237United Airlines
Fri, Aug 28 - Fri, Sep 4
Southwest Logo
10:10 am - 3:15 pm
PHX
-
BOI
4h 05m
1 stop
Southwest Logo
2:45 pm - 6:05 pm
BOI
-
PHX
4h 20m
1 stop
$237Southwest
Thu, Sep 10 - Sat, Sep 12
Southwest Logo
1:55 pm - 10:55 pm
PHX
-
BOI
8h 00m
2 stops
Southwest Logo
11:35 am - 7:00 pm
BOI
-
PHX
8h 25m
2 stops
$237Southwest
Fri, Sep 18 - Sun, Sep 20
Alaska Airlines Logo
12:13 pm - 8:20 pm
PHX
-
BOI
7h 07m
1 stop
Alaska Airlines Logo
6:00 am - 9:51 am
BOI
-
PHX
4h 51m
1 stop
$237Alaska Airlines
Fri, Sep 18 - Sun, Sep 20
Alaska Airlines Logo
4:13 pm - 10:38 pm
PHX
-
BOI
5h 25m
1 stop
Alaska Airlines Logo
6:00 am - 9:51 am
BOI
-
PHX
4h 51m
1 stop
$237Alaska Airlines
Fri, Aug 28 - Mon, Aug 31
Delta Logo
4:02 pm - 11:00 pm
PHX
-
BOI
5h 58m
1 stop
Delta Logo
4:00 pm - 11:00 pm
BOI
-
PHX
8h 00m
1 stop
$237Delta
Sun, Aug 30 - Sun, Sep 6
Delta Logo
6:00 am - 12:14 pm
PHX
-
BOI
5h 14m
1 stop
Delta Logo
5:15 pm - 10:11 pm
BOI
-
PHX
5h 56m
1 stop
$237Delta
Mon, Aug 24 - Sat, Sep 5
American Airlines Logo
1:35 pm - 4:49 pm
PHX
-
BOI
2h 14mnonstop
American Airlines Logo
5:19 pm - 6:44 pm
BOI
-
PHX
2h 25mnonstop
$257American Airlines
Wed, Aug 26 - Tue, Sep 1
American Airlines Logo
10:09 am - 1:24 pm
PHX
-
BOI
2h 15mnonstop
American Airlines Logo
5:19 pm - 6:44 pm
BOI
-
PHX
2h 25mnonstop
$257American Airlines
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 October.

Flight prices are typical for this route right now.

Flights to Boise from Phoenix usually cost between $236 and $298 in October.
The lowest price found in the past 5 days was $236 on Frontier (Oct 30-Nov 1).

What is the cheapest Phoenix to Boise flight route?

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

The absolute cheapest return flight from Phoenix to Boise costs $197 on the route between Phoenix Sky Harbor Intl Airport (PHX) and Boise (BOI). However, over the past month, flights between Phoenix-Mesa Gateway Airport (AZA) and Boise (BOI) were, on average, 14% 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, Wednesday 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 January, where tickets cost $177 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $353 and $351 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 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 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

$62
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 5 days, the lowest price for a flight from Phoenix to Boise was $62 for a one-way ticket and $236 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.
8.0
SouthwestOverall score based on 4229 reviews
7.5Entertainment
7.0Food
8.0Comfort
8.1Boarding
8.6Crew
Airline reviews

For the first time in a long time, the Wi-Fi actually worked the entire flight! The flight crew was amazing as usual.

10.0 ExcellentCindy, Apr 2026
PHX - MDW
Read more Southwest reviews

For the first time in a long time, the Wi-Fi actually worked the entire flight! The flight crew was amazing as usual.

Great flight. I didn't get a drink because I was asleep whole on the flight.

It was good from LAX to Phoenix, But the connection in Phoenix to Tulsa was not that great. The staff on both flights were great. The choice of free entertainment was ok nothing to brag about. The 45 min delay because of some electrical issue wasn't great from Phoenix to Tulsa. We sat there with hardly any air, The seat I had was between windows so the side of the plane pushed in on you. My being a bigger man it then made the seating area uncomfortable. The seats on the plane had no power to connect to recharge your phone or anything. I would recommend that they should look into a slot or clamp to hold your phone to enjoy while watching the entertainment choices hands-free. Also make it possible to raise the inner seat by the window be able to raise the arm rest up to make more room for larger people to set more comfortably. I would also say other then that stop price gouging the airfare or nickel and diming everything. Not fair for people having to fly for emergencies and be paying for higher prices due to the season or holidays. Your making your money either way and the cost of flying is still going to be the same regardless if there's 100 people or 200 people.

Mediocre. Boarding is now unpleasant. The employees, once friendly and nice, are now regularly speaking sternly to passengers, badgering them to do things right so they can take off on time and gate check bags because they don't have enough overhead bin space. The pretzel snack was crushed flat and broken into even smaller pieces, which happens frequently lately. Drink service was suspended before they reached my row.

WIFI was great. My selection for seating is an aisle, but during my trip, I never had an aisle seat. If we can get that corrected, I will be thrilled.

All good except once again bags took an hour at Midway Airport Happens all the time. Ridiculous

mandatory demand customer to check their carry on because not enough people check bags.

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

Delayed 4 hours due to mechanical issues. No mention of compensation for being over 3 hours late

At time of arrival to the airport, there were plenty of kiosks open/running for checking and baggage tags. While waiting to drop my bag, a team member was checking everyone's IDs against their baggage tag to verify a match/compliance to save additional time when dropping it at the front of the line. This was actually a really big time saver and greatly appreciated! Once boarding was starting, the team member had a clear and audible voice with their announcements, with direct (yet friendly) instructions for the boarding process. Once actually boarding, the flight crew gave genuine greetings while walking on board and were very nice and attentive during the flight. The take-off and landing were one of the smoothest I've had in MANY of years. Kudos to the pilots! I literally cannot remember the last time a had such a smooth landing :D

The seats are too small/crowded. It is frustrating to be forced to sit with someone who is overweight as they crown the other seat. Nothing against the person…just the airline companies who continue(over decades!)to reduce seat sizes. Americans are fat. Those of us who are not are tired of being compromised by the airline companies who don’t faces that fact and make adjustments. Maybe have “overweight seats”? Maybe give us a discount for being forced into an uncomfortable flight due to others overweightness? Please, make adjustments…be accountable. Thanks!

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.

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.

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

Pretzels are always a disappointment. Cheezits, Sun Chips, trail mix, anything else would be nice.

They were friendly, efficient and got our bags to us so fast at the end of the flight.

Not sure why the counter agent's couldn't have helped us with our flight change and only gave us a number to reservations. I thought their job was customer service, not "call this number"

The ac must have died, it was way to hot on this flight. Boarding g was chaotic. The flight was delayed for boarding. Not a great experience.

Comfortable seats. Nice service online. Short flight, so not a lot of time to enjoy.

I missed the flight because the Minneapolis flight was 49 minutes LATE, and the Boise flight LEFT 24 minutes EARLY!

Got to fly my favorite plane, the Boeing 767-400ER, to Milan. The soft blush pink mood lighting during meal service was very beautiful and gorgeous. The service was top-notch, and our flights were on time. I highly recommend Delta.

With Aeromexico it ended up good but with Delta it was bad because we did everything through Delta... Showed up at the Delta terminal... It was the wrong place! Nothing ever told us to go to the Aeromexico terminal. It said "in partnership with Aeromexico" but I was never instructed to check in with them or go to their terminal. We had to haul @$$ running through the airport and almost didn't make it thanks to this poor communication. 👎🏽

Delta canceled our flight and we had to scramble to find another airline to get home. Phoenix is not a delta hub so they didn’t have another plane. It would have been a red eye though Salt Lake City. Getting in at 5am. No bueno.

Having to up charge for a seat assignment is not good. Delta can do better

There was no problems, just a little uncomfortable with seats that do not lay back a little

Only not having an assigned seat was an issue. Rest was great

Delta is a premier airline so my expectations are most always met.

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

Had a hard time checking into my flight on my phone because they gave me the wrong confirmation number. Otherwise everything else went well.

The flight was delayed and they didn’t have a pilot for the flight. Seemed very unorganized and took way longer than expected.

I am disappointed with Alaska. They are just like the cheapo airlines, nickle and dimeing us for everything. We now have to pay extra to pick our seats? Really?

I could not use my Hawaiian airlines confirmation number to check in. I figured out on my own that I had to use Alaska airlines confirmation number to check in on the Alaska airlines site. I called Hawaiian airlines and they told me that they could not help me.

Enjoyed every stage of travel and really loved the free WiFi on the international flight. I would only make one recommendation. There was a lot of young children under 2 on the flight. Loud crying screaming and just playing. Constant poopie diapers. These families were spread through out the plane. Some of the passengers with no patience actually yelled at these parents unfortunately. I would recommend keeping all the families with young children in the same part of the plane if possible that way the passengers that complain can be relocated. In this situation there was no part of the plane that didn't have a noisy child. Any ways I will be flying Hawaiian airlines again because the service was just that good!

I paid for the extra legroom and those seats were no different than the regular ones. I saw many tall people in great discomfort having been conned by this supposed upgrade. We left an item on the plane in Sydney but somehow it ended up in LAX and they refuse to bring it back unless we pay a huge fee. Everything else was fine but I feel conned out of my money.

Two issues: (1) There's NO outlet to charge the LT. (2) There was no alternative food for people who don't eat pork, so I didn't eat.

Seats on second leg from Hawaii to Tokyo would not recline. 9 hrs is long in total upright position.

Food wasn’t great but adequate. Staff great. Long flight so that part you can’t control.

Although there were two delays, they were communicated clearly and the boarding process was expedited. The crew was pleasant and efficient.

I was able to check into my flight through the app and online but had issues getting my boarding pass once I arrived to the airport.

The flight attendants were very friendly, efficient, and helpful. The plane was ahead of schedule, and it all went very smoothly. Thank you.

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.

the plane was so hot!! the air-conditioning was barely blowing. The flight was delayed, and we had to sit on the hot plane before take off for an extended amount of time, waiting on international passengers. Would not have been so bad if it was not so hot. They said it would get better after take off, but it did not.

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

Information on your arrival and departure airports