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$69+ Cheap flights from San Jose (SJC) to Idaho

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from San Jose to Idaho

Keep the following information in mind while searching for San Jose to Idaho flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$147
(Southwest)

One-way from

$69
(Alaska Airlines)

Popular in

September

Cheapest in

April

Average price

$217

Good round-trip deal

$207 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for San Jose-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for San Jose-Boise Air Term. Gowen Fld flights.
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From San Jose to Idaho
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One-way flight from San Jose to Idaho
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Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San Jose to Idaho.
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Price to beat on a one-way flight from San Jose to Idaho.
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Find flight deals from San Jose to Idaho

Cheapest flights from San Jose to Idaho
Explore the most affordable flight options available from San Jose to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:50 amSJC - BOI
Nonstop1h 35mSouthwest
Tue 6/37:05 pmBOI - SJC
1 stop4h 20mSouthwest
Deal found 4/15$147
This Hawaiian Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 5/135:26 pmSJC - BOI
Nonstop1h 37mHawaiian Airlines
Thu 5/158:50 amBOI - SJC
Nonstop1h 49mHawaiian Airlines
Deal found 4/16$157
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/139:45 amSJC - BOI
1 stop5h 57mDelta
Thu 5/1511:30 amBOI - SJC
1 stop5h 42mDelta
Deal found 4/16$177
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:00 amSJC - BOI
1 stop4h 21mSpirit Airlines
Mon 5/1212:16 pmBOI - SJC
1 stop4h 22mSpirit Airlines
Deal found 4/16$204
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:00 amSJC - GEG
2 stops30h 13mMultiple Airlines
Thu 6/59:35 amGEG - SJC
1 stop6h 03mMultiple Airlines
Deal found 4/16$215
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:00 pmSJC - GEG
1 stop4h 25mHawaiian Airlines
Sat 6/710:45 amGEG - SJC
1 stop4h 10mHawaiian Airlines
Deal found 4/16$229
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:10 pmSJC - BOI
Nonstop1h 40mMultiple Airlines
Sat 6/78:50 amBOI - SJC
Nonstop1h 49mMultiple Airlines
Deal found 4/16$238
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:15 amSJC - GEG
2 stops8h 11mAlaska Airlines
Wed 5/219:30 amGEG - SJC
1 stop5h 21mAlaska Airlines
Deal found 4/15$242
This Delta deal was found by Cheapflights users on 4/16. 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 5/85:55 amSJC - JAC
1 stop3h 48mDelta
Sat 5/175:30 pmJAC - SJC
1 stop5h 50mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/139:45 amSJC - SUN
1 stop3h 56mDelta
Thu 5/153:21 pmSUN - SJC
1 stop4h 00mDelta
Deal found 4/16$245
This Delta deal was found by Cheapflights users on 4/17. 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 6/61:00 pmSJC - IDA
1 stop4h 10mDelta
Tue 6/106:00 amIDA - SJC
1 stop3h 59mDelta
Deal found 4/17$245
This Delta deal was found by Cheapflights users on 4/16. 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 5/236:08 pmSJC - GEG
1 stop5h 57mDelta
Sun 5/255:40 pmGEG - SJC
1 stop4h 26mDelta
Deal found 4/16$247

Cheapflights Fare Finder

Customize your flight search to find flights from San Jose to Idaho 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 April 17, 2025.
Use the filters below to find and compare flights from San Jose to Idaho that are best for you.

Fly from

San Jose

Fly to

Idaho

Route

Depart

Return

Price

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 5/28

11:50 am-2:25 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Tue 6/3

7:05 pm-10:25 pm

1 stop4h 20m

$147

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 5/13

5:26 pm-8:03 pm

Nonstop1h 37m

Boise Air Term. Gowen Fld

Thu 5/15

8:50 am-9:39 am

Nonstop1h 49m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 5/13

9:45 am-4:42 pm

1 stop5h 57m

Boise Air Term. Gowen Fld

Thu 5/15

11:30 am-4:12 pm

1 stop5h 42m

$177

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 5/9

6:00 am-11:21 am

1 stop4h 21m

Boise Air Term. Gowen Fld

Mon 5/12

12:16 pm-3:38 pm

1 stop4h 22m

$204

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Thu 5/29

11:00 am-5:13 pm

2 stops30h 13m

Spokane

Thu 6/5

9:35 am-3:38 pm

1 stop6h 03m

$215

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Sat 5/31

6:00 pm-10:25 pm

1 stop4h 25m

Spokane

Sat 6/7

10:45 am-2:55 pm

1 stop4h 10m

$229

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 5/31

6:10 pm-8:50 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Sat 6/7

8:50 am-9:39 am

Nonstop1h 49m

$238

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Wed 5/14

6:15 am-2:26 pm

2 stops8h 11m

Spokane

Wed 5/21

9:30 am-2:51 pm

1 stop5h 21m

$242

San JoseJackson

SJC - JAC

SJCJAC

San Jose

Thu 5/8

5:55 am-10:43 am

1 stop3h 48m

Jackson Hole

Sat 5/17

5:30 pm-10:20 pm

1 stop5h 50m

$245

San JoseHailey

SJC - SUN

SJCSUN

San Jose

Tue 5/13

9:45 am-2:41 pm

1 stop3h 56m

Hailey Sun Valley-Friedman

Thu 5/15

3:21 pm-6:21 pm

1 stop4h 00m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 45 results
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Best time to book a flight from San Jose to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from San Jose to Idaho (average of $314). Flying from San Jose to Idaho in June is currently the most expensive (average of $419). 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 ID?

Find hourly flight availability from San Jose to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from San Jose to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Jose to Idaho

Explore weekly flight availability from San Jose to Idaho. 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 April 17, 2025.

The most flights from SJC to USID are scheduled on a Wednesday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated April 17, 2025.
To help decide which airline to fly from San Jose to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Jose to Idaho. 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 from for flights from San Jose to Idaho?

    Most people fly from San Jose (SJC) if they book a flight from San Jose to Idaho. San Jose is conveniently located just 2.9 mi from San Jose’s city center.

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

    Flights from San Jose to Idaho have been viewed 2 times in the past calendar month.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $69. Delta flights start at $79 while deals on Southwest start at $84 one-way.

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

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

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

    Before booking your flight to Idaho from San Jose, check out the most reliable airlines to get you to your destination on time: Southwest (88%), Hawaiian Airlines (80%), SkyWest Airlines( 80%).

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

    The cheapest flight price from San Jose to Idaho is $68. On average you can expect to pay $228. The most popular route, (San Jose - Spokane), can usually be booked for $215.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Jose to Idaho (average of $314). Flying from San Jose to Idaho in June is currently the most expensive (average of $419). 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 San Jose to Idaho

Discover the top 4 airlines that operate flights from San Jose to Idaho. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$167FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$177Average$291FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$177Average$310FlexibilityNo cancel feeOn-time75%
DeltaCheapest$243Average$518FlexibilityNo cancel feeOn-timeN/A

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