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$61+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
abr. 1 — abr. 81
mar. 4/1
mar. 4/8
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 marzo 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$128
(Mytrip)

One-way from

$61
(Mytrip)

Popular in

September

Cheapest in

April

Average price

$345

Good round-trip deal

$207 or less

Good one-way deal

$168 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. 10% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 27, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/810:55 amSJC - BOI
1 stop23h 26mSpirit Airlines
lun. 5/1212:16 pmBOI - SJC
1 stop22h 44mSpirit Airlines
Deal found 3/25$128
This Trip.com deal was found by Cheapflights users on 3/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/105:26 pmSJC - BOI
Nonstop1h 37mHawaiian Airlines
sáb. 5/178:50 amBOI - SJC
Nonstop1h 49mHawaiian Airlines
Deal found 3/26$140
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/145:26 pmSJC - BOI
Nonstop1h 37mAlaska Airlines
sáb. 5/178:50 amBOI - SJC
Nonstop1h 49mAlaska Airlines
Deal found 3/25$147
This Delta deal was found by Cheapflights users on 3/25. 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.
mar. 5/2011:44 amSJC - BOI
1 stop6h 25mDelta
mar. 5/275:40 pmBOI - SJC
1 stop7h 01mDelta
Deal found 3/25$157
This Southwest deal was found by Cheapflights users on 3/25. 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.
mié. 6/411:50 amSJC - BOI
Nonstop1h 35mSouthwest
lun. 6/96:30 pmBOI - SJC
1 stop5h 20mSouthwest
Deal found 3/25$167
This Southwest deal was found by Cheapflights users on 3/25. 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.
jue. 4/241:35 pmSJC - GEG
Nonstop2h 05mSouthwest
jue. 5/111:35 amGEG - SJC
Nonstop2h 05mSouthwest
Deal found 3/25$177
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:00 amSJC - BOI
1 stop4h 21mMultiple Airlines
vie. 5/168:50 amBOI - SJC
Nonstop1h 49mMultiple Airlines
Deal found 3/25$179
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2910:14 amSJC - GEG
1 stop4h 12mAlaska Airlines
lun. 5/58:40 pmGEG - SJC
1 stop12h 34mAlaska Airlines
Deal found 3/25$197
This Delta deal was found by Cheapflights users on 3/25. 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.
vie. 4/251:45 pmSJC - GEG
1 stop8h 04mDelta
lun. 4/286:59 pmGEG - SJC
1 stop4h 55mDelta
Deal found 3/25$217
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/304:30 pmSJC - GEG
1 stop5h 59mHawaiian Airlines
dom. 5/47:25 amGEG - SJC
1 stop3h 28mHawaiian Airlines
Deal found 3/26$221
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
sáb. 4/2610:14 amSJC - IDA
1 stop4h 44mAlaska Airlines
vie. 5/24:35 pmIDA - SJC
1 stop6h 58mAlaska Airlines
Deal found 3/26$244
This Delta deal was found by Cheapflights users on 3/26. 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.
lun. 4/211:10 pmSJC - JAC
1 stop4h 48mDelta
lun. 4/285:55 pmJAC - SJC
1 stop6h 59mDelta
Deal found 3/26$245

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 marzo 27, 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

jue. 5/8

10:55 am-11:21 am

1 stop23h 26m

Boise Air Term. Gowen Fld

lun. 5/12

12:16 pm-10:00 am

1 stop22h 44m

$128

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 5/10

5:26 pm-8:03 pm

Nonstop1h 37m

Boise Air Term. Gowen Fld

sáb. 5/17

8:50 am-9:39 am

Nonstop1h 49m

$140

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 5/10

3:36 pm-10:39 pm

1 stop6h 03m

Boise Air Term. Gowen Fld

sáb. 5/17

8:50 am-9:39 am

Nonstop1h 49m

$147

San JoseBoise

SJC - BOI

SJCBOI

San Jose

mié. 6/4

5:25 pm-11:55 pm

1 stop5h 30m

Boise Air Term. Gowen Fld

lun. 6/9

4:10 pm-4:55 pm

Nonstop1h 45m

$167

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 5/24

4:00 pm-11:28 pm

1 stop6h 28m

Boise Air Term. Gowen Fld

dom. 5/25

11:30 am-3:53 pm

1 stop5h 23m

$177

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

jue. 4/24

1:35 pm-3:40 pm

Nonstop2h 05m

Spokane

jue. 5/1

11:35 am-1:40 pm

Nonstop2h 05m

$177

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

mar. 4/29

10:14 am-2:26 pm

1 stop4h 12m

Spokane

lun. 5/5

8:40 pm-9:14 am

1 stop12h 34m

$197

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

vie. 4/25

1:45 pm-9:49 pm

1 stop8h 04m

Spokane

lun. 4/28

6:59 pm-11:54 pm

1 stop4h 55m

$217

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

mié. 4/30

4:30 pm-10:29 pm

1 stop5h 59m

Spokane

dom. 5/4

7:25 am-10:53 am

1 stop3h 28m

$221

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

sáb. 4/26

10:14 am-3:58 pm

1 stop4h 44m

Idaho Falls Fanning Field

vie. 5/2

4:35 pm-10:33 pm

1 stop6h 58m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 48 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 $421). 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 marzo 27, 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 marzo 27, 2025.

The most flights from SJC to USID 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 (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 marzo 27, 2025.
To help decide which airline to fly from San Jose to Idaho, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,792 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,334 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Crew

8.6

Food

7.1

Comfort

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $61. Alaska Airlines flights start at $69 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 (91%), Hawaiian Airlines (71%), SkyWest Airlines( 71%).

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

    The cheapest flight price from San Jose to Idaho is $80. On average you can expect to pay $270. The most popular route, (San Jose - Spokane), can usually be booked for $217.

  • 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 $421). 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 San Jose to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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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 marzo 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$169FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$176Average$302FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$177Average$293FlexibilityNo cancel feeOn-time63%
DeltaCheapest$243Average$480FlexibilityNo cancel feeOn-timeN/A
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