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$66+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$134
(FlightHub)

One-way from

$66
(FlightHub)

Popular in

September

Cheapest in

April

Average price

$352

Good round-trip deal

$217 or less

Good one-way deal

$108 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. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/258:50 pmSJC - BOI
1 stop14h 46mSpirit Airlines
Mon 3/311:31 pmBOI - SJC
1 stop21h 22mSpirit Airlines
Deal found 2/19$134
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/86:59 pmSJC - BOI
Nonstop1h 40mAlaska Airlines
Sat 4/1210:11 amBOI - SJC
Nonstop1h 57mAlaska Airlines
Deal found 2/19$167
This Southwest deal was found by Cheapflights users on 2/19. 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 3/511:35 amSJC - BOI
Nonstop1h 35mSouthwest
Thu 3/64:35 pmBOI - SJC
Nonstop1h 45mSouthwest
Deal found 2/19$177
This Delta deal was found by Cheapflights users on 2/20. 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 3/136:25 amSJC - GEG
1 stop4h 12mDelta
Tue 3/186:56 pmGEG - SJC
1 stop5h 03mDelta
Deal found 2/20$197
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 3/47:34 amSJC - BOI
2 stops27h 58mMultiple Airlines
Thu 3/611:14 amBOI - SJC
3 stops32h 45mMultiple Airlines
Deal found 2/19$235
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/75:08 pmSJC - GEG
1 stop5h 56mAlaska Airlines
Wed 4/99:41 pmGEG - SJC
1 stop10h 13mAlaska Airlines
Deal found 2/19$241
This Delta deal was found by Cheapflights users on 2/20. 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 3/178:58 amSJC - JAC
1 stop5h 09mDelta
Wed 3/261:25 pmJAC - SJC
1 stop4h 03mDelta
Deal found 2/20$247
This Southwest deal was found by Cheapflights users on 2/20. 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.
Mon 4/75:15 pmSJC - GEG
1 stop6h 55mSouthwest
Wed 4/912:10 pmGEG - SJC
Nonstop2h 05mSouthwest
Deal found 2/20$248
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/176:47 pmSJC - GEG
1 stop3h 32mHawaiian Airlines
Fri 3/215:48 pmGEG - SJC
1 stop5h 03mHawaiian Airlines
Deal found 2/18$252
This Delta deal was found by Cheapflights users on 2/19. 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 6/242:35 pmSJC - BOI
1 stop5h 29mDelta
Sun 6/296:05 amBOI - SJC
1 stop3h 57mDelta
Deal found 2/19$257
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/208:10 amSJC - IDA
1 stop6h 24mAlaska Airlines
Thu 3/278:00 amIDA - SJC
1 stop7h 05mAlaska Airlines
Deal found 2/19$287
This Delta deal was found by Cheapflights users on 2/20. 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 3/185:10 pmSJC - SUN
1 stop4h 07mDelta
Fri 3/211:45 pmSUN - SJC
1 stop5h 00mDelta
Deal found 2/20$336

Find flights from San Jose to Idaho within your budget

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 February 20, 2025.

Fly from

San Jose

Fly to

Idaho

Route

Depart

Return

Price

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 3/25

8:50 pm-12:36 pm

1 stop14h 46m

Boise Air Term. Gowen Fld

Mon 3/31

1:31 pm-9:53 am

1 stop21h 22m

$134

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 4/8

6:59 pm-9:39 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Sat 4/12

10:11 am-11:08 am

Nonstop1h 57m

$167

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 3/5

11:35 am-2:10 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Thu 3/6

4:35 pm-5:20 pm

Nonstop1h 45m

$177

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Thu 3/13

6:25 am-10:37 am

1 stop4h 12m

Spokane

Tue 3/18

6:56 pm-11:59 pm

1 stop5h 03m

$197

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 3/4

7:34 am-12:32 pm

2 stops27h 58m

Boise Air Term. Gowen Fld

Thu 3/6

11:14 am-6:59 pm

3 stops32h 45m

$235

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Mon 4/7

5:08 pm-11:04 pm

1 stop5h 56m

Spokane

Wed 4/9

9:41 pm-7:54 am

1 stop10h 13m

$241

San JoseJackson

SJC - JAC

SJCJAC

San Jose

Mon 3/17

8:58 am-3:07 pm

1 stop5h 09m

Jackson Hole

Wed 3/26

1:25 pm-4:28 pm

1 stop4h 03m

$247

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Mon 4/7

5:15 pm-12:10 am

1 stop6h 55m

Spokane

Wed 4/9

12:10 pm-2:15 pm

Nonstop2h 05m

$248

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Mon 3/17

6:47 pm-10:19 pm

1 stop3h 32m

Spokane

Fri 3/21

5:48 pm-10:51 pm

1 stop5h 03m

$252

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 3/20

8:10 am-3:34 pm

1 stop6h 24m

Idaho Falls Fanning Field

Thu 3/27

8:00 am-2:05 pm

1 stop7h 05m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 43 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.

Travel insights for flights from San Jose to Idaho

Get recent, data-driven insights about flights from San Jose to Idaho including ideal travel times, pricing trends, and more.

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 $436). 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 February 20, 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 February 20, 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
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

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 3 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 $66. Alaska Airlines flights start at $79 while deals on Delta start at $89 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: SkyWest Airlines (82%), American Airlines (82%), Alaska Airlines( 82%).

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

    The cheapest flight price from San Jose to Idaho is $78. On average you can expect to pay $213. The most popular route, (San Jose - Boise Air Term. Gowen Fld), can usually be booked for $142.

  • 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 $436). 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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$171FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$176Average$294FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$183Average$289FlexibilityNo cancel feeOn-time63%
DeltaCheapest$243Average$488FlexibilityNo cancel feeOn-timeN/A
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