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San Jose

$79+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJC
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:04 amGEG - SJC
1 stop6h 03mDelta
Fri 1/25:55 amSJC - GEG
1 stop6h 11mDelta
Deal found 12/27$363
This Delta deal was found by Cheapflights users on 12/25. 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 12/275:55 amGEG - SJC
1 stop6h 46mDelta
Tue 1/66:25 pmSJC - GEG
1 stop4h 27mDelta
Deal found 12/25$385
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
Wed 12/317:26 pmSUN - SJC
1 stop5h 33mAlaska Airlines
Sat 1/106:15 amSJC - SUN
1 stop12h 23mAlaska Airlines
Deal found 12/26$399
This Delta deal was found by Cheapflights users on 12/26. 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 12/311:40 pmSUN - SJC
2 stops10h 02mDelta
Sat 1/105:04 pmSJC - SUN
1 stop3h 51mDelta
Deal found 12/26$405
This Southwest deal was found by Cheapflights users on 12/26. 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 12/313:15 pmGEG - SJC
1 stop4h 35mSouthwest
Fri 1/25:20 pmSJC - GEG
1 stop7h 45mSouthwest
Deal found 12/26$417
This Southwest deal was found by Cheapflights users on 12/25. 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 12/279:50 amGEG - SJC
2 stops9h 15mSouthwest
Tue 1/64:10 pmSJC - GEG
1 stop4h 40mSouthwest
Deal found 12/25$420
This Alaska Airlines deal was found by Cheapflights users on 12/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 amGEG - SJC
1 stop3h 58mAlaska Airlines
Fri 1/26:15 amSJC - GEG
1 stop6h 33mAlaska Airlines
Deal found 12/27$430
This Delta deal was found by Cheapflights users on 12/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:55 pmJAC - SJC
1 stop4h 40mDelta
Fri 1/21:45 pmSJC - JAC
1 stop6h 44mDelta
Deal found 12/27$446
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/295:55 amGEG - SJC
1 stop6h 46mDelta
Sun 1/44:47 pmSJC - GEG
1 stop7h 12mDelta
Deal found 12/26$447
This Southwest deal was found by Cheapflights users on 12/27. 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.
Sat 12/276:25 pmGEG - SJC
2 stops13h 25mSouthwest
Tue 12/304:10 pmSJC - GEG
1 stop8h 00mSouthwest
Deal found 12/27$490
This Southwest deal was found by Cheapflights users on 12/27. 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.
Sun 12/286:40 amGEG - SJC
2 stops8h 55mSouthwest
Tue 12/304:10 pmSJC - GEG
1 stop8h 00mSouthwest
Deal found 12/27$534
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/307:17 amBOI - SJC
Nonstop2h 05mAlaska Airlines
Sun 1/47:03 pmSJC - BOI
Nonstop1h 44mAlaska Airlines
Deal found 12/26$552

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Alaska Airlines)

One-way from

$79
(Southwest)

Popular in

November

Cheapest in

September

Average price

$338

Good round-trip deal

$282 or less

Good one-way deal

$88 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 ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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.
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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 December 28, 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

Sun 2/8

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Wed 2/11

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sat 1/24

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Wed 1/28

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 1/21

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Sat 1/24

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 2/25

10:25 am-11:18 am

Nonstop1h 53m

San Jose

Tue 3/10

2:48 pm-5:27 pm

Nonstop1h 39m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Tue 1/27

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Fri 1/30

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 2/26

10:25 am-11:18 am

Nonstop1h 53m

San Jose

Thu 3/12

5:01 pm-7:40 pm

Nonstop1h 39m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 2/26

10:25 am-11:18 am

Nonstop1h 53m

San Jose

Mon 3/9

5:01 pm-7:40 pm

Nonstop1h 39m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sat 1/17

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Sat 1/17

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Fri 1/16

8:10 am-9:16 am

Nonstop2h 06m

San Jose

Sat 1/17

7:22 pm-10:09 pm

Nonstop1h 47m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Mon 3/2

10:25 am-11:18 am

Nonstop1h 53m

San Jose

Wed 3/11

5:01 pm-7:40 pm

Nonstop1h 39m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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, October is the cheapest month in which you can book a flight from Idaho to San Jose, California (average of $80). Flying from Idaho to San Jose, California in December is currently the most expensive (average of $157). 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 December 28, 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.

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 December 28, 2025.

The most flights from USID to SJC are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 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 9 times in the past calendar month.

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

    Airlines like Alaska Airlines, Delta, and United Airlines fly from Idaho to San Jose, California in about 2h 06m. The time it takes to get you to your destination can typically vary by up to 5h 33m. 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 Southwest, with whom users have recently found tickets for as low as $60. However, be on the lookout for offers from Alaska Airlines 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 Boise Air Term. Gowen Fld - San Jose, Spokane - San Jose and Hailey Sun Valley-Friedman - San Jose.

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

    Consider SkyWest Airlines (93%), American Airlines (93%) or Alaska Airlines (93%) 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 $228 for a flight from Idaho to San Jose, California. The cheapest flight overall is $88 while the most popular route, (Boise Air Term. Gowen Fld - San Jose) is currently priced at $158.

  • 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, October is the cheapest month in which you can book a flight from Idaho to San Jose, California (average of $80). Flying from Idaho to San Jose, California in December is currently the most expensive (average of $157). 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

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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$102Average$219FlexibilityNo cancel feeOn-time85%
DeltaCheapest$136Average$337FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$261FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$157Average$284FlexibilityNo cancel feeOn-time63%

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