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Idaho

$39+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
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 July 9, 2025.

Round-trip from

$83
(Alaska Airlines)

One-way from

$39
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$257

Good round-trip deal

$217 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. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 9, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/165:00 pmSJC - BOI
Nonstop1h 41mAlaska Airlines
Tue 8/1910:00 amBOI - SJC
Nonstop1h 55mAlaska Airlines
Deal found 7/7$83
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/168:40 amSJC - BOI
1 stop4h 05mSouthwest
Tue 8/1912:20 pmBOI - SJC
Nonstop1h 45mSouthwest
Deal found 7/7$94
This Southwest deal was found by Cheapflights users on 7/7. 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 8/61:05 pmSJC - GEG
Nonstop2h 05mSouthwest
Wed 8/138:25 amGEG - SJC
1 stop5h 55mSouthwest
Deal found 7/7$139
This Delta deal was found by Cheapflights users on 7/9. 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 8/93:20 pmSJC - BOI
1 stop6h 37mDelta
Sat 8/166:00 pmBOI - SJC
1 stop5h 39mDelta
Deal found 7/9$143
This FlightHub deal was found by Cheapflights users on 7/7. 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.
Mon 9/88:15 amSJC - BOI
1 stop11h 06mSpirit Airlines
Thu 9/119:16 pmBOI - SJC
1 stop4h 08mSpirit Airlines
Deal found 7/7$165
This Delta deal was found by Cheapflights users on 7/8. 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 9/226:11 pmSJC - GEG
1 stop5h 02mDelta
Thu 9/256:00 amGEG - SJC
1 stop4h 51mDelta
Deal found 7/8$181
This Trip.com deal was found by Cheapflights users on 7/6. 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.
Thu 8/214:58 pmSJC - BOI
Nonstop1h 40mHawaiian Airlines
Thu 8/286:00 amBOI - SJC
1 stop3h 53mHawaiian Airlines
Deal found 7/6$191
This Mytrip deal was found by Cheapflights users on 7/8. 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.
Fri 8/86:30 amSJC - GEG
2 stops10h 32mMultiple Airlines
Mon 8/115:52 pmGEG - SJC
2 stops16h 44mMultiple Airlines
Deal found 7/8$223
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:03 pmSJC - GEG
1 stop4h 56mAlaska Airlines
Mon 8/116:00 amGEG - SJC
1 stop4h 55mAlaska Airlines
Deal found 7/8$224
This Delta deal was found by Cheapflights users on 7/7. 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.
Wed 8/67:00 amSJC - WYS
2 stops6h 46mDelta
Wed 8/133:25 pmWYS - SJC
1 stop4h 04mDelta
Deal found 7/7$232
This Delta deal was found by Cheapflights users on 7/7. 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 9/25:55 amSJC - SUN
1 stop4h 56mDelta
Sat 9/67:30 amSUN - SJC
1 stop6h 07mDelta
Deal found 7/7$241
This Delta deal was found by Cheapflights users on 7/7. 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.
Wed 8/65:45 amSJC - IDA
1 stop3h 49mDelta
Tue 8/126:52 pmIDA - SJC
1 stop5h 47mDelta
Deal found 7/7$241

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 July 9, 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

Sat 8/16

5:00 pm-7:41 pm

Nonstop1h 41m

Boise Air Term. Gowen Fld

Tue 8/19

10:00 am-10:55 am

Nonstop1h 55m

$83

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 8/16

8:40 am-1:45 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Tue 8/19

12:20 pm-1:05 pm

Nonstop1h 45m

$94

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Wed 8/6

1:05 pm-3:10 pm

Nonstop2h 05m

Spokane

Wed 8/13

8:25 am-2:20 pm

1 stop5h 55m

$139

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sat 8/9

3:20 pm-10:57 pm

1 stop6h 37m

Boise Air Term. Gowen Fld

Sat 8/16

6:00 pm-10:39 pm

1 stop5h 39m

$143

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Mon 9/8

8:15 am-8:21 pm

1 stop11h 06m

Boise Air Term. Gowen Fld

Thu 9/11

9:16 pm-12:24 am

1 stop4h 08m

$165

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Mon 9/22

6:11 pm-11:13 pm

1 stop5h 02m

Spokane

Thu 9/25

6:00 am-10:51 am

1 stop4h 51m

$181

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 8/21

4:58 pm-7:38 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Thu 8/28

6:00 am-8:53 am

1 stop3h 53m

$191

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Fri 8/8

6:30 am-5:02 pm

2 stops10h 32m

Spokane

Mon 8/11

5:52 pm-10:36 am

2 stops16h 44m

$223

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Fri 8/8

5:03 pm-9:59 pm

1 stop4h 56m

Spokane

Mon 8/11

6:00 am-10:55 am

1 stop4h 55m

$224

San JoseWest Yellowstone

SJC - WYS

SJCWYS

San Jose

Wed 8/6

7:00 am-2:46 pm

2 stops6h 46m

West Yellowstone

Wed 8/13

3:25 pm-6:29 pm

1 stop4h 04m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 51 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 $398). 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 July 9, 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.

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 July 9, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Jose to Idaho have to say. 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

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

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

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

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
4,252 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

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
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,558 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

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
8,842 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $39. Southwest flights start at $51 while deals on Alaska Airlines start at $52 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%), Southwest (90%), SkyWest Airlines( 90%).

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

    The cheapest flight price from San Jose to Idaho is $94. On average you can expect to pay $222. The most popular route, (San Jose - Boise Air Term. Gowen Fld), can usually be booked for $93.

  • 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 $398). 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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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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$166FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$161Average$289FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$163Average$257FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$311FlexibilityNo cancel feeOn-time75%
DeltaCheapest$240Average$395FlexibilityNo cancel feeOn-timeN/A

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