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Idaho

$73+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$150
(SmartFares)

One-way from

$73
(FlightHub)

Popular in

September

Cheapest in

April

Average price

$282

Good round-trip deal

$187 or less

Good one-way deal

$143 or less
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. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/64:58 pmSJC - BOI
Nonstop1h 40mAlaska Airlines
mié. 9/1010:08 amBOI - SJC
Nonstop1h 55mAlaska Airlines
Deal found 6/11$150
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 10/185:07 pmSJC - BOI
Nonstop1h 34mHawaiian Airlines
mar. 10/2110:15 amBOI - SJC
Nonstop1h 57mHawaiian Airlines
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/11. 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.
vie. 9/58:50 amSJC - BOI
Nonstop1h 40mSouthwest
jue. 9/115:45 pmBOI - SJC
Nonstop1h 45mSouthwest
Deal found 6/11$187
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 7/104:22 pmSJC - BOI
1 stop25h 30mSpirit Airlines
lun. 7/147:48 pmBOI - SJC
1 stop15h 48mSpirit Airlines
Deal found 6/11$196
This Mytrip deal was found by Cheapflights users on 6/12. 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.
jue. 8/74:22 pmSJC - GEG
2 stops24h 40mMultiple Airlines
lun. 8/115:52 pmGEG - SJC
2 stops16h 44mMultiple Airlines
Deal found 6/12$208
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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. 9/48:00 amSJC - GEG
1 stop4h 43mAlaska Airlines
lun. 9/86:25 amGEG - SJC
1 stop7h 50mAlaska Airlines
Deal found 6/10$217
This Southwest deal was found by Cheapflights users on 6/10. 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. 9/43:50 pmSJC - GEG
2 stops7h 10mSouthwest
lun. 9/83:55 pmGEG - SJC
1 stop6h 40mSouthwest
Deal found 6/10$222
This Trip.com deal was found by Cheapflights users on 6/10. 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.
sáb. 7/263:00 pmSJC - BOI
1 stop6h 46mMultiple Airlines
sáb. 8/23:59 pmBOI - SJC
1 stop5h 52mMultiple Airlines
Deal found 6/10$226
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 10/45:40 pmSJC - BOI
1 stop4h 24mDelta
vie. 10/1011:30 amBOI - SJC
1 stop5h 47mDelta
Deal found 6/10$233
This Delta deal was found by Cheapflights users on 6/11. 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.
lun. 7/287:00 amSJC - WYS
2 stops6h 46mDelta
sáb. 8/211:25 amWYS - SJC
1 stop5h 38mDelta
Deal found 6/11$236
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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. 9/29:00 amSJC - SUN
1 stop23h 34mAlaska Airlines
vie. 9/510:16 amSUN - SJC
1 stop5h 05mAlaska Airlines
Deal found 6/12$246
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 8/275:01 pmSJC - JAC
1 stop3h 28mDelta
mié. 9/36:52 pmJAC - SJC
1 stop5h 47mDelta
Deal found 6/11$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 junio 12, 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

sáb. 9/6

4:58 pm-7:38 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

mié. 9/10

10:08 am-11:03 am

Nonstop1h 55m

$150

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 10/18

5:07 pm-7:41 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

mar. 10/21

10:15 am-11:12 am

Nonstop1h 57m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

vie. 9/5

8:50 am-11:30 am

Nonstop1h 40m

Boise Air Term. Gowen Fld

jue. 9/11

5:45 pm-6:30 pm

Nonstop1h 45m

$187

San JoseBoise

SJC - BOI

SJCBOI

San Jose

jue. 7/10

4:22 pm-6:52 pm

1 stop25h 30m

Boise Air Term. Gowen Fld

lun. 7/14

7:48 pm-10:36 am

1 stop15h 48m

$196

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

jue. 8/7

4:22 pm-5:02 pm

2 stops24h 40m

Spokane

lun. 8/11

5:52 pm-10:36 am

2 stops16h 44m

$208

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

jue. 9/4

8:00 am-12:43 pm

1 stop4h 43m

Spokane

lun. 9/8

6:25 am-2:15 pm

1 stop7h 50m

$217

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

jue. 9/4

3:50 pm-11:00 pm

2 stops7h 10m

Spokane

lun. 9/8

3:55 pm-10:35 pm

1 stop6h 40m

$222

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 7/26

3:00 pm-10:46 pm

1 stop6h 46m

Boise Air Term. Gowen Fld

sáb. 8/2

3:59 pm-8:51 pm

1 stop5h 52m

$226

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 10/4

5:40 pm-11:04 pm

1 stop4h 24m

Boise Air Term. Gowen Fld

vie. 10/10

11:30 am-4:17 pm

1 stop5h 47m

$233

San JoseWest Yellowstone

SJC - WYS

SJCWYS

San Jose

lun. 7/28

7:00 am-2:46 pm

2 stops6h 46m

West Yellowstone

sáb. 8/2

11:25 am-4:03 pm

1 stop5h 38m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 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 $395). 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 junio 12, 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.

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 junio 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $73. Hawaiian Airlines flights start at $78 while deals on Alaska Airlines start at $79 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 - Boise Air Term. Gowen Fld, San Jose - Spokane 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: Hawaiian Airlines (93%), SkyWest Airlines (91%), Alaska Airlines( 91%).

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

    The cheapest flight price from San Jose to Idaho is $103. On average you can expect to pay $260. The most popular route, (San Jose - Boise Air Term. Gowen Fld), can usually be booked for $157.

  • 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 $395). 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.

See more FAQs

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Alternative routes for San Jose to Idaho

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Top 5 airlines flying from San Jose to Idaho

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$166FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$163Average$237FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$176Average$306FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$177Average$289FlexibilityNo cancel feeOn-time63%
DeltaCheapest$243Average$512FlexibilityNo cancel feeOn-timeN/A

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