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San Jose

$60+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJC
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/29:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
Wed 12/107:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 11/5$137
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/29:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
Thu 12/117:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 11/5$147
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 12/39:00 amBOI - SJC
1 stop7h 54mDelta
Sat 12/1311:40 amSJC - BOI
1 stop7h 40mDelta
Deal found 11/5$157
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/184:00 pmBOI - SJC
Nonstop1h 50mSouthwest
Tue 1/67:30 amSJC - BOI
2 stops6h 25mSouthwest
Deal found 11/4$162
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Wed 12/39:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
Thu 12/47:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 11/4$165
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/48:55 amBOI - SJC
1 stop5h 55mAlaska Airlines
Mon 12/87:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 11/5$167
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/410:50 amBOI - SJC
2 stops7h 00mSouthwest
Thu 12/119:45 amSJC - BOI
Nonstop1h 35mSouthwest
Deal found 11/4$172
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/24:20 pmBOI - SJC
1 stop4h 04mAlaska Airlines
Tue 12/99:49 amSJC - BOI
1 stop6h 16mAlaska Airlines
Deal found 11/4$176
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/45:50 amBOI - SJC
1 stop4h 20mDelta
Sun 12/144:35 pmSJC - BOI
1 stop6h 29mDelta
Deal found 11/5$177
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 12/119:25 amGEG - SJC
1 stop6h 29mDelta
Sat 12/132:25 pmSJC - GEG
1 stop6h 31mDelta
Deal found 11/4$185
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/49:59 amBOI - SJC
Nonstop2h 11mAlaska Airlines
Tue 12/167:19 pmSJC - BOI
Nonstop1h 46mAlaska Airlines
Deal found 11/5$187
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Tue 12/26:00 amGEG - SJC
1 stop5h 10mAlaska Airlines
Thu 12/47:40 amSJC - GEG
1 stop4h 00mAlaska Airlines
Deal found 11/4$226

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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$60
(Netflights)

Popular in

December

Cheapest in

September

Average price

$328

Good round-trip deal

$166 or less

Good one-way deal

$112 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 ($42 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 November 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 November 5, 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

Tue 12/2

9:59 am-11:10 am

Nonstop2h 11m

San Jose

Wed 12/10

7:19 pm-10:05 pm

Nonstop1h 46m

$137

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 12/3

9:59 am-11:10 am

Nonstop2h 11m

San Jose

Tue 12/16

7:19 pm-10:05 pm

Nonstop1h 46m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Mon 3/2

7:00 am-12:01 pm

1 stop6h 01m

San Jose

Tue 3/3

4:40 pm-7:16 pm

Nonstop1h 36m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Tue 1/13

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Wed 1/14

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Mon 1/12

4:04 pm-7:27 pm

1 stop4h 23m

San Jose

Tue 1/13

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Tue 12/2

9:59 am-11:10 am

Nonstop2h 11m

San Jose

Tue 12/9

9:49 am-5:05 pm

1 stop6h 16m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 12/3

9:59 am-11:10 am

Nonstop2h 11m

San Jose

Wed 12/10

5:00 pm-10:56 pm

1 stop4h 56m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 12/18

4:00 pm-4:50 pm

Nonstop1h 50m

San Jose

Tue 1/6

7:30 am-2:55 pm

2 stops6h 25m

$162

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 12/4

5:20 am-10:56 am

1 stop6h 36m

San Jose

Sat 12/13

4:35 pm-10:16 pm

1 stop4h 41m

$167

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 12/4

2:30 pm-3:20 pm

Nonstop1h 50m

San Jose

Thu 12/11

2:30 pm-11:10 pm

1 stop7h 40m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 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 November 5, 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 November 2, 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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Idaho to San Jose, California

Explore weekly flight availability from Idaho to San Jose. 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 November 5, 2025.

The most flights from USID to SJC are scheduled on a Monday (4 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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 10 times in the past calendar month.

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

    Airlines like Alaska Airlines, Hawaiian Airlines, and Delta fly from Idaho to San Jose, California in about 2h 11m. The time it takes to get you to your destination can typically vary by up to 4h 18m. The distance from Idaho to San Jose, California is about 523 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to San Jose, California one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Idaho to San Jose, California for a low price.

  • 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 (90%), American Airlines (90%) or Alaska Airlines (90%) 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 $207 for a flight from Idaho to San Jose, California. The cheapest flight overall is $80 while the most popular route, (Spokane - San Jose) is currently priced at $185.

  • 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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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$102Average$219FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$141Average$260FlexibilityNo cancel feeOn-time75%
DeltaCheapest$141Average$331FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$158Average$308FlexibilityNo cancel feeOn-time63%

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