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San Jose

$64+ Cheap flights from Idaho to San Jose (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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJC
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$128
(Kiwi.com)

One-way from

$64
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$337

Good round-trip deal

$234 or less

Good one-way deal

$68 or less
From Idaho to San Jose
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One-way flight from Idaho to San Jose
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Idaho to San Jose.
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Price to beat on a one-way flight from Idaho to San Jose.
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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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:59 amBOI - SJC
Nonstop1h 58mHawaiian Airlines
Wed 11/57:17 pmSJC - BOI
Nonstop1h 42mHawaiian Airlines
Deal found 9/14$128
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/1510:15 amBOI - SJC
Nonstop1h 57mHawaiian Airlines
Wed 10/225:05 pmSJC - BOI
Nonstop1h 41mHawaiian Airlines
Deal found 9/16$137
This Southwest deal was found by Cheapflights users on 9/16. 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 10/152:35 pmBOI - SJC
Nonstop1h 50mSouthwest
Wed 10/224:20 pmSJC - BOI
1 stop4h 50mSouthwest
Deal found 9/16$147
This Delta deal was found by Cheapflights users on 9/15. 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 10/1811:41 amBOI - SJC
1 stop5h 16mDelta
Tue 10/217:00 amSJC - BOI
1 stop7h 05mDelta
Deal found 9/15$157
This Delta deal was found by Cheapflights users on 9/16. 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 10/186:00 amBOI - SJC
1 stop4h 04mDelta
Mon 10/204:37 pmSJC - BOI
1 stop6h 31mDelta
Deal found 9/16$167
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 11/135:54 amBOI - SJC
1 stop4h 01mAlaska Airlines
Thu 11/1311:51 amSJC - BOI
1 stop5h 11mAlaska Airlines
Deal found 9/16$171
This Southwest deal was found by Cheapflights users on 9/14. 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 10/298:50 amBOI - SJC
2 stops8h 10mSouthwest
Sun 11/211:00 amSJC - BOI
Nonstop1h 40mSouthwest
Deal found 9/14$172
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/2010:15 amBOI - SJC
Nonstop1h 57mAlaska Airlines
Wed 10/225:05 pmSJC - BOI
Nonstop1h 41mAlaska Airlines
Deal found 9/16$177
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:59 amBOI - SJC
Nonstop1h 58mAlaska Airlines
Sun 11/98:10 amSJC - BOI
1 stop7h 07mAlaska Airlines
Deal found 9/16$181
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 11/141:23 pmGEG - SJC
1 stop5h 42mDelta
Sun 11/167:30 pmSJC - GEG
1 stop4h 39mDelta
Deal found 9/16$199
This Delta deal was found by Cheapflights users on 9/16. 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 10/305:05 amGEG - SJC
1 stop5h 46mDelta
Thu 10/304:37 pmSJC - GEG
1 stop4h 28mDelta
Deal found 9/16$227
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/57:00 amGEG - SJC
1 stop7h 23mHawaiian Airlines
Mon 11/105:58 pmSJC - GEG
1 stop5h 58mHawaiian Airlines
Deal found 9/14$242

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 September 16, 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

Mon 11/10

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Wed 11/12

7:17 pm-9:59 pm

Nonstop1h 42m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 10/15

2:35 pm-3:25 pm

Nonstop1h 50m

San Jose

Wed 10/22

4:20 pm-10:10 pm

1 stop4h 50m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sat 11/1

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Mon 11/3

7:17 pm-9:59 pm

Nonstop1h 42m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sat 11/15

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Mon 11/17

7:17 pm-9:59 pm

Nonstop1h 42m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 11/13

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Sat 11/15

7:17 pm-9:59 pm

Nonstop1h 42m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sat 10/18

4:46 pm-10:08 pm

1 stop6h 22m

San Jose

Tue 10/21

7:15 pm-11:59 pm

1 stop3h 44m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 10/29

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Sun 11/2

7:17 pm-9:59 pm

Nonstop1h 42m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Wed 10/29

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Fri 10/31

7:17 pm-9:59 pm

Nonstop1h 42m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Sun 10/26

9:59 am-10:57 am

Nonstop1h 58m

San Jose

Tue 10/28

7:17 pm-9:59 pm

Nonstop1h 42m

$157

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Thu 10/16

10:15 am-11:12 am

Nonstop1h 57m

San Jose

Sat 10/18

5:07 pm-7:41 pm

Nonstop1h 34m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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?

Currently, September is the cheapest month in which you can book a flight from Idaho to San Jose (average of $255). Flying from Idaho to San Jose in June is currently the most expensive (average of $359). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San Jose as you normally would.

Weekly flight availability from Idaho to San Jose

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 September 16, 2025.

The most flights from USID to SJC are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, 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 flight route?

    The Idaho to San Jose flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $147, Alaska Airlines can have you in San Jose from Idaho in 1h 50m. Airlines will cover a distance of 523 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $69 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $69 and $80, respectively.

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

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

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

    Consider SkyWest Airlines (92%), American Airlines (92%) or Alaska Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Idaho to San Jose.

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

    On average you can expect to pay $224 for a flight from Idaho to San Jose. The cheapest flight overall is $47 while the most popular route, (Boise Air Term. Gowen Fld - San Jose) is currently priced at $137.

  • 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?

    Currently, September is the cheapest month in which you can book a flight from Idaho to San Jose (average of $255). Flying from Idaho to San Jose in June is currently the most expensive (average of $359). 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 6 airlines flying from Idaho to San Jose

Discover the top 6 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$219FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$102Average$222FlexibilityNo cancel feeOn-time85%
DeltaCheapest$141Average$346FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$147Average$267FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$164Average$302FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$357FlexibilityNo cancel feeOn-time71%

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