$110+ Cheap flights from San Jose, CA to Boise (SJC - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose 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 San Jose to Boise Air Term. Gowen Fld are usually found in January or February, booked 56 days in advance, depart on a Monday or Saturday and return on a Saturday
Cheap flight deals from San Jose to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to BoiseExplore the most affordable flight options available from San Jose to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from San Jose to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/159:02 pm -
1 stop15h 53m
Thu 10/222:50 pm -
1 stop23h 30m
Deal found 9/13![Frontier logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:48 pm -
1 stop6h 11m
Wed 10/212:06 pm -
1 stop6h 54m
Deal found 9/10![Alaska Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/710:10 am -
Nonstop1h 40m
Sat 10/1011:10 am -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 9/13. 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.
Tue 10/1310:10 am -
Nonstop1h 40m
Fri 10/1612:45 pm -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/214:40 pm -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 9/11. 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.
Fri 11/139:05 am -
Nonstop1h 35m
Mon 11/161:05 pm -
2 stops8h 35m
Deal found 9/11![Southwest logo]()
$252
Best flights from San Jose to BoiseDiscover carefully curated flight deals from San Jose to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from San Jose to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 am -
1 stop15h 11m
Mon 12/75:43 pm -
1 stop18h 17m
Deal found 9/10![Alaska Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 9/14. 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.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/2112:20 pm -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
1 stop3h 42m
Sun 11/156:00 am -
1 stop4h 08m
Deal found 9/13![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 9/10. 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.
Wed 12/210:25 am -
Nonstop1h 40m
Mon 12/712:40 pm -
Nonstop1h 50m
Deal found 9/10![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/176:18 pm -
Nonstop1h 42m
Wed 10/217:20 am -
Nonstop1h 57m
Deal found 9/14![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/11. 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.
Fri 11/139:05 am -
Nonstop1h 35m
Mon 11/161:05 pm -
2 stops8h 35m
Deal found 9/11![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/166:18 pm -
Nonstop1h 42m
Sat 10/177:20 am -
1 stop5h 00m
Deal found 9/12![Alaska Airlines logo]()
$268
Last-minute flights from San Jose to BoiseDiscover last-minute flight deals from San Jose to Boise. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Boise. Data last updated September 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/13. 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.
Wed 10/710:10 am -
Nonstop1h 40m
Sat 10/1011:10 am -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 9/13. 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.
Tue 10/1310:10 am -
Nonstop1h 40m
Fri 10/1612:45 pm -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/159:02 pm -
1 stop15h 53m
Thu 10/222:50 pm -
1 stop23h 30m
Deal found 9/13![Frontier logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:48 pm -
1 stop6h 11m
Wed 10/212:06 pm -
1 stop6h 54m
Deal found 9/10![Alaska Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/214:40 pm -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$247
One-way flights from San Jose to BoiseSearch for one-way flight options from San Jose to Boise. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from San Jose to Boise. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:39 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$110
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/1310:10 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:21 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/89:02 pm -
1 stop15h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 12/147:39 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$130
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:02 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$132
This Southwest deal was found by Cheapflights users on 9/15. 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.
Mon 12/1410:25 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 9/11. 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.
Mon 10/195:00 pm -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Southwest logo]()
$134
Find flight deals from San Jose to Boise
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (Kiwi.com) |
One-way from | $110 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $307 |
Good round-trip deal | $307 or less |
Good one-way deal | $118 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from San Jose to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 11/9
5:21 pm-8:05 pm
Nonstop1h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
Quickest round-trip
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Wed 12/9
5:03 pm-7:45 pm
Nonstop1h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 11/9
2:40 pm-10:26 pm
1 stop6h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Thu 10/15
7:00 am-2:47 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Wed 11/11
1:40 pm-10:26 pm
2 stops7h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$137
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Sat 12/12
5:03 pm-7:45 pm
Nonstop1h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Tue 12/1
8:00 am-12:11 am
1 stop15h 11m
Boise Air Term. Gowen Fld
Mon 12/7
5:43 pm-11:00 am
1 stop18h 17m
$203
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Sat 10/17
12:45 pm-3:25 pm
Nonstop1h 40m
Boise Air Term. Gowen Fld
Wed 10/21
12:20 pm-1:05 pm
Nonstop1h 45m
$233
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Wed 12/2
10:25 am-1:05 pm
Nonstop1h 40m
Boise Air Term. Gowen Fld
Mon 12/7
12:40 pm-1:30 pm
Nonstop1h 50m
$237
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Fri 11/13
9:05 am-11:40 am
Nonstop1h 35m
Boise Air Term. Gowen Fld
Mon 11/16
1:05 pm-8:40 pm
2 stops8h 35m
$252
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Jose 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 San Jose to Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Boise flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Jose, California-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 San Jose to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from San Jose with our price prediction graph.
SJC-BOI
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 San Jose to Boise
How far ahead should I book a flight from San Jose, California to Boise?
Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose, California to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Jose, California to Boise?
Currently, January is the cheapest month in which you can book a flight from San Jose, California to Boise (average of $157). Flying from San Jose, California to Boise in June is currently the most expensive (average of $367). 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 SJC to BOI?
Find hourly flight availability from San Jose 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 September 15, 2026.
It’s optimal to fly from San Jose, California to Boise in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from San Jose, California to Boise?
Use this chart to determine the cheapest time to fly round-trip from San Jose to Boise. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their San Jose, California to Boise flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings 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 September 15, 2026.
Read through reviews of airlines operating flights from San Jose to Boise, such as Southwest and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Jose 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boise flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Jose
Popular flights
Alternative routes for San Jose to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Jose to Boise by cabin class
Find flights from San Jose to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Boise flights
Browse other San Jose and Boise flight options. Last updated on September 15, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Jose to Boise
Discover the top 2 airlines that operate flights from San Jose 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$307 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$175 | Average$327 | FlexibilityNo cancel fee | On-time63% |