$68+ Cheap flights from Sky Harbor Intl (PHX) to Boise (BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
feb. 11 — feb. 181
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Boise Air Term. Gowen Fld are usually found in January or September, booked 88 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Sky Harbor Intl to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 12, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $134 (Kiwi.com) |
One-way from | $68 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $190 |
Good round-trip deal | $177 or less |
Good one-way deal | $129 or less |
Find flight deals from Sky Harbor Intl to Boise
Cheapest flights from Sky Harbor Intl to BoiseExplore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 12, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 12, 2026.
This Southwest deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/318:55 am
PHX
- BOI
Nonstop2h 10m
Southwest
sáb. 2/71:45 pm
BOI
- PHX
Nonstop2h 15m
Southwest
Deal found 1/10![Southwest logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1112:17 pm
PHX
- BOI
1 stop23h 34m
Frontier
dom. 2/1511:56 am
BOI
- PHX
1 stop12h 45m
Frontier
Deal found 1/11![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/148:55 am
PHX
- BOI
Nonstop2h 10m
Southwest
sáb. 2/213:00 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 1/10![Southwest logo]()
$140
This Southwest deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/19:35 am
PHX
- BOI
Nonstop2h 15m
Southwest
sáb. 4/43:00 pm
BOI
- PHX
Nonstop2h 05m
Southwest
Deal found 1/11![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/217:00 am
PHX
- BOI
1 stop4h 20m
Southwest
sáb. 2/283:30 pm
BOI
- PHX
1 stop3h 45m
Southwest
Deal found 1/10![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/78:55 am
PHX
- BOI
Nonstop2h 10m
Southwest
dom. 2/86:40 am
BOI
- PHX
Nonstop2h 20m
Southwest
Deal found 1/9![Southwest logo]()
$155
This Alaska Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/293:18 pm
PHX
- BOI
Nonstop2h 12m
Alaska Airlines
sáb. 5/21:25 pm
BOI
- PHX
Nonstop2h 11m
Alaska Airlines
Deal found 1/12![Alaska Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/243:44 pm
PHX
- BOI
Nonstop2h 18m
American Airlines
mié. 2/256:38 am
BOI
- PHX
Nonstop2h 26m
American Airlines
Deal found 1/11![American Airlines logo]()
$159
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 12, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boise that are best for you.
Fly from
Sky Harbor Intl
Fly to
Boise
Route
Depart
Return
Price
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
mié. 4/1
8:50 am-5:20 pm
1 stop7h 30m
Boise Air Term. Gowen Fld
sáb. 4/4
3:00 pm-4:05 pm
Nonstop2h 05m
$154
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 2/7
3:20 pm-9:15 pm
1 stop5h 55m
Boise Air Term. Gowen Fld
dom. 2/8
6:40 am-9:00 am
Nonstop2h 20m
$164
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
jue. 2/12
10:19 am-12:45 pm
Nonstop2h 26m
Boise Air Term. Gowen Fld
mar. 2/17
7:15 am-9:37 am
Nonstop2h 22m
$167
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 2/14
1:55 pm-4:10 pm
Nonstop2h 15m
Boise Air Term. Gowen Fld
dom. 2/15
7:15 am-9:37 am
Nonstop2h 22m
$167
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
vie. 2/13
1:35 pm-3:45 pm
Nonstop2h 10m
Boise Air Term. Gowen Fld
mar. 2/17
6:00 am-8:15 am
Nonstop2h 15m
$167
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 2/7
3:11 pm-5:29 pm
Nonstop2h 18m
Boise Air Term. Gowen Fld
lun. 2/9
1:55 pm-7:48 pm
1 stop5h 53m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 2/7
7:00 am-12:51 pm
1 stop5h 51m
Boise Air Term. Gowen Fld
mar. 2/10
5:55 pm-11:59 pm
1 stop6h 04m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
sáb. 2/14
8:55 am-11:05 am
Nonstop2h 10m
Boise Air Term. Gowen Fld
lun. 2/23
1:35 pm-5:55 pm
1 stop4h 20m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
vie. 2/13
10:19 am-12:45 pm
Nonstop2h 26m
Boise Air Term. Gowen Fld
dom. 2/15
7:15 am-9:37 am
Nonstop2h 22m
$177
PhoenixBoise
PHX - BOI
PHXBOI
Phoenix Sky Harbor Intl
vie. 2/6
3:11 pm-5:29 pm
Nonstop2h 18m
Boise Air Term. Gowen Fld
dom. 2/8
12:21 pm-2:29 pm
Nonstop2h 08m
$177
Showing 1-10 of 19 results
Compare providers for flights from Sky Harbor Intl to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Boise in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sky Harbor Intl to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Boise
Prices
Airlines
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Boise?
Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Boise. Price data was last updated on January 9, 2026.
The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Boise?
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boise (average of $115). Flying from Phoenix Sky Harbor Intl Airport to Boise in May is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to BOI?
Find hourly flight availability from Sky Harbor Intl to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 12, 2026.
One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Boise is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 29% on airfare.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Boise?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boise. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boise flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated enero 12, 2026.
See what other customers who have flown with Southwest, Alaska Airlines, and Delta from Phoenix Sky Harbor Intl Airport to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
McCall
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Alternative routes for Sky Harbor Intl to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Sky Harbor Intl to Boise
Discover the top 6 airlines that operate flights from Sky Harbor Intl to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$134 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$88 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$206 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$141 | Average$244 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$151 | Average$260 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$284 | FlexibilityNo cancel fee | On-time71% |