Idaho

$79+ Cheap flights from San Jose, CA (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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
3월 2 — 3월 91
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Cheap 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 1월 31, 2026.

This Southwest deal was found by Cheapflights users on 1/30. 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.
화 2/2411:40 am
SJC
-
BOI
Nonstop1h 40m
Southwest
토 2/2812:50 pm
BOI
-
SJC
Nonstop1h 50m
Southwest
Deal found 1/30$157
This Southwest deal was found by Cheapflights users on 1/30. 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.
월 2/239:45 am
SJC
-
BOI
Nonstop1h 35m
Southwest
금 2/272:55 pm
BOI
-
SJC
Nonstop1h 50m
Southwest
Deal found 1/30$175
This Delta deal was found by Cheapflights users on 1/28. 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.
월 2/233:45 pm
SJC
-
BOI
1 stop6h 00m
Delta
금 2/271:51 pm
BOI
-
SJC
1 stop4h 47m
Delta
Deal found 1/28$177
This Delta deal was found by Cheapflights users on 1/29. 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.
수 9/27:00 am
SJC
-
GEG
1 stop7h 06m
Delta
일 9/66:30 am
GEG
-
SJC
1 stop6h 23m
Delta
Deal found 1/29$193
This Southwest deal was found by Cheapflights users on 1/29. 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.
목 2/2610:15 am
SJC
-
BOI
1 stop4h 45m
Southwest
목 3/56:10 pm
BOI
-
SJC
1 stop5h 15m
Southwest
Deal found 1/29$195
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
월 2/232:53 pm
SJC
-
BOI
1 stop7h 37m
Alaska Airlines
목 2/2610:25 am
BOI
-
SJC
Nonstop1h 53m
Alaska Airlines
Deal found 1/30$197
This Southwest deal was found by Cheapflights users on 1/29. 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.
목 2/263:40 pm
SJC
-
GEG
1 stop7h 55m
Southwest
월 3/22:20 pm
GEG
-
SJC
2 stops6h 50m
Southwest
Deal found 1/29$198
This Southwest deal was found by Cheapflights users on 1/29. 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.
화 3/313:10 pm
SJC
-
BOI
2 stops7h 40m
Southwest
목 4/167:25 am
BOI
-
SJC
1 stop5h 40m
Southwest
Deal found 1/29$200
This Southwest deal was found by Cheapflights users on 1/30. 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.
월 4/273:40 pm
SJC
-
BOI
Nonstop1h 40m
Southwest
금 5/12:00 pm
BOI
-
SJC
2 stops7h 30m
Southwest
Deal found 1/30$202
This CheapOair deal was found by Cheapflights users on 1/29. 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.
수 3/45:01 pm
SJC
-
GEG
1 stop6h 02m
Alaska Airlines
일 3/86:00 am
GEG
-
SJC
1 stop5h 18m
Alaska Airlines
Deal found 1/29$205
This Delta deal was found by Cheapflights users on 1/29. 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.
목 2/197:15 am
SJC
-
GEG
1 stop5h 20m
Delta
금 2/206:05 am
GEG
-
SJC
1 stop4h 50m
Delta
Deal found 1/29$213
This United Airlines deal was found by Cheapflights users on 1/27. 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.
화 2/248:50 am
SJC
-
JAC
1 stop5h 31m
United Airlines
수 3/114:16 pm
JAC
-
SJC
1 stop6h 00m
United Airlines
Deal found 1/27$217

Find 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 1월 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Southwest)

One-way from

$79
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$301

Good round-trip deal

$185 or less

Good one-way deal

$73 or less
Provider with most accurate pricing for San Jose-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San Jose-Boise Air Term. Gowen Fld flights.
From San Jose to Idaho
One-way flight from San Jose to Idaho
Highest demand for flights based on searches. 11% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from San Jose to Idaho.
Price to beat on a one-way flight from San Jose to Idaho.

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 1월 31, 2026.
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

금 5/1

7:41 pm-10:24 pm

Nonstop1h 43m

Boise Air Term. Gowen Fld

일 5/3

10:22 am-11:17 am

Nonstop1h 55m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

화 2/24

11:40 am-2:20 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

토 2/28

12:50 pm-1:40 pm

Nonstop1h 50m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

금 4/10

7:22 pm-10:07 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

월 4/13

9:02 am-10:02 am

Nonstop2h 00m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

수 2/25

5:01 pm-7:40 pm

Nonstop1h 39m

Boise Air Term. Gowen Fld

화 3/3

1:00 pm-5:09 pm

1 stop5h 09m

$167

San JoseBoise

SJC - BOI

SJCBOI

San Jose

월 2/23

9:45 am-12:20 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

금 2/27

2:55 pm-3:45 pm

Nonstop1h 50m

$175

San JoseBoise

SJC - BOI

SJCBOI

San Jose

일 3/15

7:15 am-1:05 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

토 3/21

10:09 am-3:59 pm

1 stop6h 50m

$177

San JoseBoise

SJC - BOI

SJCBOI

San Jose

수 3/25

6:15 pm-11:45 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

월 3/30

10:35 am-2:57 pm

1 stop5h 22m

$177

San JoseBoise

SJC - BOI

SJCBOI

San Jose

월 2/23

3:45 pm-10:45 pm

1 stop6h 00m

Boise Air Term. Gowen Fld

금 2/27

1:51 pm-5:38 pm

1 stop4h 47m

$177

San JoseBoise

SJC - BOI

SJCBOI

San Jose

화 3/31

6:15 pm-11:45 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

목 4/16

7:05 am-1:17 pm

1 stop7h 12m

$177

San JoseBoise

SJC - BOI

SJCBOI

San Jose

수 2/25

2:25 pm-9:56 pm

1 stop6h 31m

Boise Air Term. Gowen Fld

월 3/2

1:51 pm-5:38 pm

1 stop4h 47m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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, California to Idaho?

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $78). Flying from San Jose, California to Idaho in December is currently the most expensive (average of $155). 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 1월 31, 2026.

One of the essential ways to save on airfare from San Jose, California to Idaho is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.

What is the cheapest day to fly from San Jose, California to Idaho?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Idaho. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their San Jose, California to Idaho flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Jose, California 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 1월 31, 2026.

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 (3 on average).

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 1월 31, 2026.
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.

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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, California to Idaho flight route?

  • How long is the flight from San Jose, California to Idaho?

    There are many flights that can get you from San Jose, California to Idaho in 1h 40m. Fly via Alaska Airlines, Southwest, or Delta to get the fastest option. San Jose, California and Idaho are separated by a distance of 523 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Jose, California to Idaho one-way?

    One-way options have recently been found by users for as low as $68 on Alaska Airlines. Other airlines that offer cheap prices include Southwest from $68 and Delta from $88 one-way.

  • What are the most popular routes from San Jose, California to Idaho?

  • What are the most reliable airlines from San Jose, California to Idaho?

    Before booking your flight to Idaho from San Jose, California, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (92%), American Airlines (92%), Alaska Airlines( 92%).

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

    The cheapest flight price from San Jose, California to Idaho is $56. On average you can expect to pay $175. 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, California to Idaho?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $78). Flying from San Jose, California to Idaho in December is currently the most expensive (average of $155). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 1월 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$78Average$237FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$147Average$307FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$303FlexibilityNo cancel feeOn-time63%
DeltaCheapest$161Average$411FlexibilityNo cancel feeOn-timeN/A

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