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San Jose

$47+ Cheap flights from Idaho to San Jose, CA (SJC)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJC
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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Find flight deals from Idaho to San Jose

Cheapest flights from Idaho to San Jose
Explore the most affordable flight options available from Idaho to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
mar. 12/99:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
mar. 1/67:03 pmSJC - BOI
Nonstop1h 44mAlaska Airlines
Deal found 10/22$95
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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.
sáb. 12/69:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
dom. 12/77:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 10/21$101
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
sáb. 12/139:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
mié. 1/711:00 amSJC - BOI
1 stop7h 25mAlaska Airlines
Deal found 10/22$104
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/49:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
vie. 12/57:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 10/21$106
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
jue. 12/119:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
vie. 1/97:22 pmSJC - BOI
Nonstop1h 47mAlaska Airlines
Deal found 10/22$107
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
sáb. 12/139:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
jue. 1/82:43 pmSJC - BOI
1 stop4h 21mAlaska Airlines
Deal found 10/22$110
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
mar. 12/1612:19 pmBOI - SJC
1 stop4h 35mAlaska Airlines
mié. 1/711:00 amSJC - BOI
1 stop7h 25mAlaska Airlines
Deal found 10/22$114
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
vie. 12/129:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
jue. 1/86:15 amSJC - BOI
1 stop5h 36mAlaska Airlines
Deal found 10/22$116
This Southwest deal was found by Cheapflights users on 10/20. 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. 12/133:25 pmBOI - SJC
Nonstop1h 50mSouthwest
lun. 12/152:30 pmSJC - BOI
1 stop7h 40mSouthwest
Deal found 10/20$117
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
mar. 12/1612:19 pmBOI - SJC
1 stop4h 35mAlaska Airlines
lun. 1/55:55 pmSJC - BOI
1 stop5h 04mAlaska Airlines
Deal found 10/22$120
This Delta deal was found by Cheapflights users on 10/20. 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.
vie. 11/146:00 amGEG - SJC
1 stop4h 56mDelta
dom. 11/164:35 pmSJC - GEG
1 stop7h 35mDelta
Deal found 10/20$185
This Southwest deal was found by Cheapflights users on 10/21. 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.
jue. 12/113:15 pmGEG - SJC
1 stop6h 10mSouthwest
lun. 1/123:00 pmSJC - GEG
1 stop5h 50mSouthwest
Deal found 10/21$194

Cheap flight deals from Idaho to San Jose

Keep the following information in mind while searching for Idaho to San Jose flight deals. Data was last updated octubre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$95
(Alaska Airlines)

One-way from

$47
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$211

Good round-trip deal

$177 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Jose flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Jose flights.
Search Deals
From Idaho to San Jose
Search Deals
One-way flight from Idaho to San Jose
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Idaho to San Jose.
Search Deals
Price to beat on a one-way flight from Idaho to San Jose.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to San Jose 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 octubre 22, 2025.
Use the filters below to find and compare flights from Idaho to San Jose that are best for you.

Fly from

Idaho

Fly to

San Jose

Route

Depart

Return

Price

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

sáb. 12/6

3:25 pm-4:15 pm

Nonstop1h 50m

San Jose

sáb. 12/13

9:30 am-12:05 pm

Nonstop1h 35m

$95

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

sáb. 12/6

9:59 am-11:10 am

Nonstop2h 11m

San Jose

dom. 12/7

7:19 pm-10:05 pm

Nonstop1h 46m

$101

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

lun. 12/8

9:59 am-11:10 am

Nonstop2h 11m

San Jose

mar. 1/6

7:03 pm-9:47 pm

Nonstop1h 44m

$101

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

mié. 12/17

9:59 am-11:10 am

Nonstop2h 11m

San Jose

sáb. 1/10

7:45 am-12:49 pm

1 stop4h 04m

$104

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

mar. 12/9

1:22 pm-7:24 pm

1 stop7h 02m

San Jose

mar. 1/6

7:03 pm-9:47 pm

Nonstop1h 44m

$104

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

sáb. 12/13

3:25 pm-4:15 pm

Nonstop1h 50m

San Jose

lun. 12/15

9:45 am-12:20 pm

Nonstop1h 35m

$107

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

jue. 2/5

8:10 am-9:16 am

Nonstop2h 06m

San Jose

dom. 2/8

7:22 pm-10:09 pm

Nonstop1h 47m

$107

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

vie. 12/12

9:59 am-11:10 am

Nonstop2h 11m

San Jose

lun. 1/5

7:03 pm-9:47 pm

Nonstop1h 44m

$107

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

lun. 12/8

9:59 am-11:10 am

Nonstop2h 11m

San Jose

lun. 1/5

7:03 pm-9:47 pm

Nonstop1h 44m

$107

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

lun. 3/2

8:00 am-8:58 am

Nonstop1h 58m

San Jose

mar. 3/3

2:50 pm-7:40 pm

1 stop3h 50m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 56 results
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Best time to book a flight from Idaho to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Idaho 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 Idaho to San Jose

What is the cheapest month to book a flight from Idaho to San Jose, California?

Currently, September is the cheapest month in which you can book a flight from Idaho to San Jose, California (average of $81). Flying from Idaho to San Jose, California in March is currently the most expensive (average of $171). 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 ID to SJC?

Find hourly flight availability from Idaho to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 22, 2025.

One of the essential ways to save on airfare from Idaho to San Jose, California is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

What is the cheapest day to fly from Idaho to San Jose, California?

Use this chart to determine the cheapest time to fly round-trip from Idaho to San Jose. Price data was last updated on October 19, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Idaho to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Jose from Idaho?

    For a flight from Idaho to San Jose, you will be flying into San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.

  • How popular is this Idaho to San Jose, California flight route?

    Flights from Idaho to San Jose have been viewed 9 times in the past calendar month.

  • How long is the flight from Idaho to San Jose, California?

    Airlines like Southwest, Alaska Airlines, and Delta fly from Idaho to San Jose, California in about 1h 50m. The time it takes to get you to your destination can typically vary by up to 3h 06m. The distance from Idaho to San Jose, California is about 523 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Idaho to San Jose, California?

    The most popular flight routes from Idaho to San Jose, California are Spokane - San Jose, Boise Air Term. Gowen Fld - San Jose and Idaho Falls Fanning Field - San Jose.

  • What are the most reliable airlines from Idaho to San Jose, California?

    Consider SkyWest Airlines (89%), American Airlines (89%) or Alaska Airlines (89%) when booking your flight. These represent the most reliable airlines when flying from Idaho to San Jose, California.

  • What are the cheapest flights from Idaho to San Jose, California?

    On average you can expect to pay $277 for a flight from Idaho to San Jose, California. The cheapest flight overall is $128 while the most popular route, (Spokane - San Jose) is currently priced at $193.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to San Jose 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 Idaho to San Jose, California?

    Currently, September is the cheapest month in which you can book a flight from Idaho to San Jose, California (average of $81). Flying from Idaho to San Jose, California in March is currently the most expensive (average of $171). 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.

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Alternative routes for Idaho to San Jose

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to San Jose

Discover the top 4 airlines that operate flights from Idaho to San Jose. 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 octubre 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$102Average$219FlexibilityNo cancel feeOn-time85%
DeltaCheapest$141Average$331FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$143Average$262FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$158Average$308FlexibilityNo cancel feeOn-time63%

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