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$73+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 Tuesday 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 junio 12, 2025.

Round-trip from

$150
(SmartFares)

One-way from

$73
(FlightHub)

Popular in

September

Cheapest in

April

Average price

$282

Good round-trip deal

$187 or less

Good one-way deal

$143 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. 7% potential increase in price ($25 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 June 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 junio 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/64:58 pmSJC - BOI
Nonstop1h 40mAlaska Airlines
mié. 9/1010:08 amBOI - SJC
Nonstop1h 55mAlaska Airlines
Deal found 6/11$150
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/185:07 pmSJC - BOI
Nonstop1h 34mHawaiian Airlines
mar. 10/2110:15 amBOI - SJC
Nonstop1h 57mHawaiian Airlines
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/11. 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.
vie. 9/58:50 amSJC - BOI
Nonstop1h 40mSouthwest
jue. 9/115:45 pmBOI - SJC
Nonstop1h 45mSouthwest
Deal found 6/11$187
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/104:22 pmSJC - BOI
1 stop25h 30mSpirit Airlines
lun. 7/147:48 pmBOI - SJC
1 stop15h 48mSpirit Airlines
Deal found 6/11$196
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/263:00 pmSJC - BOI
1 stop6h 46mMultiple Airlines
sáb. 8/23:59 pmBOI - SJC
1 stop5h 52mMultiple Airlines
Deal found 6/10$226
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/45:40 pmSJC - BOI
1 stop4h 24mDelta
vie. 10/1011:30 amBOI - SJC
1 stop5h 47mDelta
Deal found 6/10$233

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 junio 12, 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

sáb. 9/6

4:58 pm-7:38 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

mié. 9/10

10:08 am-11:03 am

Nonstop1h 55m

$150

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 10/18

5:07 pm-7:41 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

mar. 10/21

10:15 am-11:12 am

Nonstop1h 57m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

vie. 9/5

8:50 am-11:30 am

Nonstop1h 40m

Boise Air Term. Gowen Fld

jue. 9/11

5:45 pm-6:30 pm

Nonstop1h 45m

$187

San JoseBoise

SJC - BOI

SJCBOI

San Jose

jue. 7/10

4:22 pm-6:52 pm

1 stop25h 30m

Boise Air Term. Gowen Fld

lun. 7/14

7:48 pm-10:36 am

1 stop15h 48m

$196

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 7/26

3:00 pm-10:46 pm

1 stop6h 46m

Boise Air Term. Gowen Fld

sáb. 8/2

3:59 pm-8:51 pm

1 stop5h 52m

$226

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 10/4

5:40 pm-11:04 pm

1 stop4h 24m

Boise Air Term. Gowen Fld

vie. 10/10

11:30 am-4:17 pm

1 stop5h 47m

$233

San JoseBoise

SJC - BOI

SJCBOI

San Jose

dom. 6/22

6:00 am-1:19 pm

1 stop6h 19m

Boise Air Term. Gowen Fld

mié. 6/25

10:00 am-10:55 am

Nonstop1h 55m

$487

San JoseBoise

SJC - BOI

SJCBOI

San Jose

lun. 7/14

6:30 am-6:52 pm

1 stop11h 22m

$73

San JoseBoise

SJC - BOI

SJCBOI

San Jose

mar. 9/23

4:58 pm-7:38 pm

Nonstop1h 40m

$78

San JoseBoise

SJC - BOI

SJCBOI

San Jose

mié. 9/10

6:37 am-12:18 pm

1 stop4h 41m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 16 results
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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 June 9, 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 $395). 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 junio 12, 2025.

It’s optimal to fly from San Jose to Boise in the evening. By choosing this option you can save up to 17% 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 June 8, 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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from San Jose to Boise, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

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 $150. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $159, and Southwest, from $187. Alaska Airlines is currently priced 49% 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 Spirit Airlines. According to our data, you can fly for as low as $73. Users have also found prices from $78 and $79 on Hawaiian Airlines and Alaska Airlines, 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: Hawaiian Airlines (93%), SkyWest Airlines (91%), Alaska Airlines (91%).

  • 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 $260, our data indicates the cheapest price to be $103. The most popular route (San Jose - Boise Air Term. Gowen Fld), is priced around $157.

  • 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 $395). 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 San Jose?

Book flights to San Jose if you plan to visit one of these locations
Nampa
Meridian
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$166FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$163Average$237FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$176Average$306FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$177Average$289FlexibilityNo cancel feeOn-time63%

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