HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$65+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
ene. 25 — feb. 11
sáb. 1/25
sáb. 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Idaho with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Jose to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 20, 2025.

Round-trip from

$129
(CheapOair)

One-way from

$65
(FlightHub)
From San Jose to Idaho
Search Deals
One-way flight from San Jose to Idaho
Search Deals

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 enero 20, 2025.

This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/2711:19 amSJC - BOI
1 stop6h 27mSpirit Airlines
dom. 3/27:41 pmBOI - SJC
1 stop15h 40mSpirit Airlines
Deal found 1/19$129
This Travelocity deal was found by Cheapflights users on 1/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/2711:19 amSJC - BOI
1 stop6h 27mMultiple Airlines
dom. 3/210:11 amBOI - SJC
Nonstop1h 55mMultiple Airlines
Deal found 1/19$132
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/216:47 pmSJC - BOI
Nonstop1h 43mAlaska Airlines
dom. 2/2310:11 amBOI - SJC
Nonstop1h 55mAlaska Airlines
Deal found 1/20$187
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/35:00 pmSJC - GEG
1 stop6h 07mAlaska Airlines
vie. 2/78:30 pmGEG - SJC
1 stop12h 11mAlaska Airlines
Deal found 1/20$201
This Delta deal was found by Cheapflights users on 1/19. 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.
mié. 4/26:25 amSJC - BOI
1 stop6h 00mDelta
sáb. 4/56:10 amBOI - SJC
1 stop3h 58mDelta
Deal found 1/19$207
This Southwest deal was found by Cheapflights users on 1/19. 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.
sáb. 4/53:25 pmSJC - BOI
Nonstop1h 35mSouthwest
sáb. 4/123:15 pmBOI - SJC
Nonstop1h 45mSouthwest
Deal found 1/19$212
This Delta deal was found by Cheapflights users on 1/20. 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.
mié. 3/51:30 pmSJC - JAC
1 stop4h 32mDelta
sáb. 3/85:35 pmJAC - SJC
1 stop6h 24mDelta
Deal found 1/20$237
This Delta deal was found by Cheapflights users on 1/19. 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.
jue. 2/201:30 pmSJC - IDA
1 stop3h 48mDelta
mié. 2/266:58 pmIDA - SJC
1 stop5h 54mDelta
Deal found 1/19$237
This Delta deal was found by Cheapflights users on 1/19. 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.
jue. 3/132:34 pmSJC - GEG
1 stop9h 31mDelta
sáb. 3/155:30 amGEG - SJC
1 stop6h 48mDelta
Deal found 1/19$277
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/228:30 amSJC - JAC
1 stop7h 37mUnited Airlines
mié. 3/262:40 pmJAC - SJC
1 stop7h 29mUnited Airlines
Deal found 1/20$314
This Southwest deal was found by Cheapflights users on 1/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/1012:50 pmSJC - GEG
2 stops8h 20mSouthwest
lun. 5/125:25 amGEG - SJC
1 stop6h 15mSouthwest
Deal found 1/18$326
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
vie. 3/143:06 pmSJC - SUN
1 stop17h 31mAlaska Airlines
lun. 3/177:04 pmSUN - SJC
1 stop18h 01mAlaska Airlines
Deal found 1/19$344

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 enero 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoseBoise

SJC - BOI

SJCBOI

San Jose

jue. 2/27

11:19 am-6:46 pm

1 stop6h 27m

Boise Air Term. Gowen Fld

dom. 3/2

7:41 pm-10:21 am

1 stop15h 40m

$129

San JoseBoise

SJC - BOI

SJCBOI

San Jose

jue. 2/27

11:19 am-6:46 pm

1 stop6h 27m

Boise Air Term. Gowen Fld

dom. 3/2

10:11 am-11:06 am

Nonstop1h 55m

$132

San JoseBoise

SJC - BOI

SJCBOI

San Jose

vie. 2/21

6:47 pm-9:30 pm

Nonstop1h 43m

Boise Air Term. Gowen Fld

dom. 2/23

10:11 am-11:06 am

Nonstop1h 55m

$187

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

lun. 2/3

5:10 pm-11:43 pm

1 stop6h 33m

Spokane

vie. 2/7

3:25 pm-10:12 pm

1 stop6h 47m

$201

San JoseBoise

SJC - BOI

SJCBOI

San Jose

mié. 4/2

6:25 am-1:25 pm

1 stop6h 00m

Boise Air Term. Gowen Fld

sáb. 4/5

6:10 am-9:08 am

1 stop3h 58m

$207

San JoseBoise

SJC - BOI

SJCBOI

San Jose

sáb. 4/5

3:25 pm-6:00 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

sáb. 4/12

3:15 pm-4:00 pm

Nonstop1h 45m

$212

San JoseJackson

SJC - JAC

SJCJAC

San Jose

mié. 3/5

1:30 pm-7:02 pm

1 stop4h 32m

Jackson Hole

sáb. 3/8

5:35 pm-10:59 pm

1 stop6h 24m

$237

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

jue. 2/20

1:30 pm-6:18 pm

1 stop3h 48m

Idaho Falls Fanning Field

mié. 2/26

6:58 pm-11:52 pm

1 stop5h 54m

$237

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

sáb. 5/10

5:56 pm-11:59 pm

1 stop6h 03m

Spokane

lun. 5/12

8:40 pm-9:14 am

1 stop12h 34m

$267

San JoseHailey

SJC - SUN

SJCSUN

San Jose

mar. 2/25

5:50 am-12:20 pm

1 stop5h 30m

Hailey Sun Valley-Friedman

mié. 3/5

7:15 am-12:27 pm

1 stop6h 12m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 46 results
1
2
3
...
5

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 enero 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 enero 20, 2025.
To help decide which airline to fly from San Jose to Idaho, see what other customers have to say about Spirit Airlines, Alaska Airlines and Southwest. 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
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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
9,696 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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
8,982 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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 $65. Alaska Airlines flights start at $69 while deals on Delta 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 - Jackson Hole and San Jose - Spokane.

  • 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: Horizon Air (97%), Hawaiian Airlines (97%), Alaska Airlines( 96%).

  • 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 $270. The most popular route, (San Jose - Boise Air Term. Gowen Fld), can usually be booked for $129.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to John F Kennedy Intl flights
San Francisco to Las Vegas flights
Los Angeles to Seattle flights
Los Angeles to Honolulu flights
Los Angeles to Miami flights
Los Angeles to Las Vegas flights
Los Angeles to Orlando flights
Los Angeles to Salt Lake City flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Santa Ana to Las Vegas flights
Los Angeles to Fort Lauderdale flights
Oakland to Las Vegas flights
San Francisco to Seattle flights
Burbank to Las Vegas flights
Los Angeles to O'Hare Intl flights
San Jose to Las Vegas flights
Los Angeles to Boston flights
San Francisco to Honolulu flights
Los Angeles to Hobby flights
Los Angeles to San Francisco flights
San Francisco to Los Angeles flights
Los Angeles to Portland flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Reagan-National flights
San Francisco to Miami flights
Los Angeles to New Orleans flights
Los Angeles to Baltimore flights
San Francisco to LaGuardia flights
Los Angeles to Denver flights
Los Angeles to George Bush Intcntl flights
Ontario to Dallas/Fort Worth flights
Ontario to Seattle flights
San Francisco to Sky Harbor Intl flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Kahului flights
San Francisco to Orlando flights
San Francisco to Boston flights
San Diego to Seattle flights
San Francisco to O'Hare Intl flights
Los Angeles to Dulles Intl flights
San Jose to Los Angeles flights
Los Angeles to Oakland flights
Los Angeles to Nashville flights
San Francisco to New Orleans flights
San Francisco to Denver flights
San Diego to John F Kennedy Intl flights

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 enero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$171FlexibilityNo cancel feeOn-time65%
DeltaCheapest$176Average$455FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$176Average$289FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$188Average$288FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.