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$65+ Cheap flights from San Jose to Boise (SJC - 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Boise Air Term. Gowen Fld are usually found in April or May, booked 64 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap 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 July 28, 2025.

Round-trip from

$129
(Booking.com)

One-way from

$65
(Netflights)

Popular in

September

Cheapest in

April

Average price

$284

Good round-trip deal

$217 or less

Good one-way deal

$88 or less
From San Jose to Boise Air Term. Gowen Fld
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One-way flight from San Jose to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Jose to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from San Jose to Boise Air Term. Gowen Fld.
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Find flight deals from San Jose to Boise

Cheapest flights from San Jose to Boise
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 July 28, 2025.

This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:15 amSJC - BOI
1 stop4h 06mSpirit Airlines
Mon 9/89:16 pmBOI - SJC
1 stop4h 08mSpirit Airlines
Deal found 7/28$129
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:07 pmSJC - BOI
Nonstop1h 34mMultiple Airlines
Tue 10/2110:15 amBOI - SJC
Nonstop1h 57mMultiple Airlines
Deal found 7/27$133
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:07 pmSJC - BOI
Nonstop1h 34mHawaiian Airlines
Tue 10/2110:15 amBOI - SJC
Nonstop1h 57mHawaiian Airlines
Deal found 7/27$134
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 10/1811:35 amSJC - BOI
1 stop7h 41mDelta
Tue 10/217:45 amBOI - SJC
1 stop6h 05mDelta
Deal found 7/28$157
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 8/318:00 amSJC - BOI
1 stop4h 48mAlaska Airlines
Wed 9/310:08 amBOI - SJC
Nonstop1h 55mAlaska Airlines
Deal found 7/28$167
This Southwest deal was found by Cheapflights users on 7/27. 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 8/2712:35 pmSJC - BOI
Nonstop1h 35mSouthwest
Sun 8/319:30 amBOI - SJC
2 stops6h 25mSouthwest
Deal found 7/27$172

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 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from San Jose to Boise that are best for you.

Fly from

San Jose

Fly to

Boise

Route

Depart

Return

Price

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 9/4

8:15 am-1:21 pm

1 stop4h 06m

Boise Air Term. Gowen Fld

Mon 9/8

9:16 pm-12:24 am

1 stop4h 08m

$129

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 10/18

5:07 pm-7:41 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

Tue 10/21

10:15 am-11:12 am

Nonstop1h 57m

$133

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 10/18

5:07 pm-7:41 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

Tue 10/21

10:15 am-11:12 am

Nonstop1h 57m

$134

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 10/18

11:35 am-8:16 pm

1 stop7h 41m

Boise Air Term. Gowen Fld

Tue 10/21

7:45 am-12:50 pm

1 stop6h 05m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sun 8/31

8:00 am-1:48 pm

1 stop4h 48m

Boise Air Term. Gowen Fld

Wed 9/3

10:08 am-11:03 am

Nonstop1h 55m

$167

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 8/27

12:35 pm-3:10 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Sun 8/31

9:30 am-2:55 pm

2 stops6h 25m

$172

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 11/4

7:17 pm-9:59 pm

Nonstop1h 42m

$65

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 10/30

6:00 am-1:21 pm

1 stop6h 21m

$66

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 9/23

12:35 pm-3:10 pm

Nonstop1h 35m

$69

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 10/28

6:00 pm-12:08 am

1 stop5h 08m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
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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.
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 to Boise?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Boise. Price data was last updated on July 25, 2025.

The price you pay for your flight from San Jose to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 64 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 San Jose to Boise?

Currently, October is the cheapest month in which you can book a flight from San Jose to Boise (average of $314). Flying from San Jose to Boise in June is currently the most expensive (average of $399). 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 July 28, 2025.

It’s optimal to fly from San Jose to Boise in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Jose 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 July 27, 2025.

Travelers seeking maximum savings on their San Jose to Boise flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Jose to Boise

Explore weekly flight availability from San Jose to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from SJC to BOI are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 July 28, 2025.
Read through reviews of airlines operating flights from San Jose to Boise, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airports do I use to fly from San Jose to Boise?

    Booking a flight from San Jose (SJC) to Boise Air Term. Gowen Fld (BOI) is your only option if you wish to fly from San Jose to Boise. On a typical day, there are 3 flights from San Jose to Air Term. Gowen Fld, all of which are around 1h 34m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from San Jose to Boise.

  • How popular is this San Jose to Boise flight route?

    Flights from San Jose to Boise Air Term. Gowen Fld have been viewed 2 times in the past calendar month.

  • What are the cheapest airlines flying from San Jose to Boise round-trip?

    Cheapflights users have booked flights from San Jose to Boise round-trip from $129. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $134, and Alaska Airlines, from $157. Spirit Airlines is currently priced 57% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Jose to Boise one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $65. Users have also found prices from $66 and $69 on Spirit Airlines and Southwest, respectively.

  • What are the most reliable airlines from San Jose to Boise?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Jose to Boise on time: Southwest (92%), SkyWest Airlines (88%), American Airlines (88%).

  • What are the cheapest flights from San Jose to Boise?

    Looking for the cheapest flight from San Jose to Boise? While on average our users pay $227, our data indicates the cheapest price to be $68. The most popular route (San Jose - Boise Air Term. Gowen Fld), is priced around $134.

  • Can I find deals for flights from San Jose to Boise that include hotel bookings?

    Yes. In addition to deals on San Jose to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Boise.

  • Can I find deals for business class flights from San Jose to Boise?

    Yes. Cheapflights offers flight deals from San Jose to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to Boise?

    Currently, October is the cheapest month in which you can book a flight from San Jose to Boise (average of $314). Flying from San Jose to Boise in June is currently the most expensive (average of $399). 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.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Ontario
McCall
Caldwell

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Top 4 airlines flying from San Jose to Boise

Discover the top 4 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 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$178FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$118Average$257FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$164Average$289FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$176Average$313FlexibilityNo cancel feeOn-time75%

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