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$73+ Cheap flights from San Jose, CA to Boise (SJC - BOI)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Boise Air Term. Gowen Fld are usually found in January or February, booked 56 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from San Jose to Boise

Cheapest flights from San Jose to Boise
Explore the most affordable flight options available from San Jose to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:47 pm
SJC
-
BOI
1 stop14h 08m
Frontier
Sun 9/202:50 pm
BOI
-
SJC
1 stop8h 02m
Frontier
Deal found 7/30$158
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:38 pm
SJC
-
BOI
1 stop23h 17m
Frontier
Thu 9/242:50 pm
BOI
-
SJC
1 stop8h 02m
Frontier
Deal found 8/3$190
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/107:49 pm
SJC
-
BOI
Nonstop1h 36m
Alaska Airlines
Mon 9/147:00 am
BOI
-
SJC
Nonstop1h 52m
Alaska Airlines
Deal found 7/30$197
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:38 pm
SJC
-
BOI
1 stop23h 17m
Frontier
Sun 9/132:50 pm
BOI
-
SJC
1 stop22h 53m
Frontier
Deal found 8/3$206
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:33 am
SJC
-
BOI
1 stop6h 14m
Alaska Airlines
Sat 10/247:20 am
BOI
-
SJC
Nonstop1h 57m
Alaska Airlines
Deal found 7/29$207
This CheapTickets deal was found by Cheapflights users on 8/3. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:29 am
SJC
-
BOI
1 stop5h 33m
Alaska Airlines
Thu 9/247:00 am
BOI
-
SJC
Nonstop1h 52m
Alaska Airlines
Deal found 8/3$211
This Southwest deal was found by Cheapflights users on 7/30. 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.
Fri 9/1110:40 am
SJC
-
BOI
Nonstop1h 35m
Southwest
Sat 9/1212:55 pm
BOI
-
SJC
2 stops7h 35m
Southwest
Deal found 7/30$212

Find flight deals from San Jose to Boise

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Boise (BOI). 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 August 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$73
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$320

Good round-trip deal

$265 or less

Good one-way deal

$101 or less
Provider with most accurate pricing for San Jose-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Boise Air Term. Gowen Fld flights.
Search Deals
From San Jose to Boise Air Term. Gowen Fld
Search Deals
One-way flight from San Jose to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from San Jose to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from San Jose to Boise Air Term. Gowen Fld.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Boise 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 August 3, 2026.
Use the filters below to find and compare flights from San Jose to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 10/22

6:33 am-1:47 pm

1 stop6h 14m

Boise Air Term. Gowen Fld

Sat 10/24

7:20 am-8:17 am

Nonstop1h 57m

$207
Quickest round-trip

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 11/5

9:05 am-11:40 am

Nonstop1h 35m

Boise Air Term. Gowen Fld

Sun 11/8

10:15 am-11:05 am

Nonstop1h 50m

$217

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 10/9

6:18 pm-9:00 pm

Nonstop1h 42m

Boise Air Term. Gowen Fld

Mon 10/12

7:20 am-8:17 am

Nonstop1h 57m

$217

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 9/11

3:15 pm-10:40 pm

1 stop6h 25m

Boise Air Term. Gowen Fld

Sat 9/12

6:10 am-12:40 pm

2 stops7h 30m

$222

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 9/24

7:02 am-1:14 pm

1 stop5h 12m

Boise Air Term. Gowen Fld

Wed 9/30

9:00 am-1:44 pm

1 stop5h 44m

$237

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Sun 8/23

10:12 am-2:02 pm

1 stop26h 50m

Boise Air Term. Gowen Fld

Sat 8/29

7:00 am-7:52 am

Nonstop1h 52m

$250
Cheapest one-way
Quickest one-way

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Mon 8/31

7:49 pm-10:25 pm

Nonstop1h 36m

$99

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 9/30

7:49 pm-10:25 pm

Nonstop1h 36m

$109

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Mon 11/2

6:07 pm-8:55 pm

Nonstop1h 48m

$109

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 9/2

7:49 pm-10:25 pm

Nonstop1h 36m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from San Jose to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Boise in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

How far ahead should I book a flight from San Jose, California to Boise?

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Jose, California to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Jose, California to Boise?

Currently, January is the cheapest month in which you can book a flight from San Jose, California to Boise (average of $157). Flying from San Jose, California to Boise in October is currently the most expensive (average of $432). 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 BOI?

Find hourly flight availability from San Jose to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 3, 2026.

It’s optimal to fly from San Jose, California to Boise in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from San Jose to Boise. Price data was last updated on August 1, 2026.

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

How much does it cost to fly round-trip from San Jose, California to Boise?

Airfare is below average for this route at the moment.

San Jose, California to Boise flights typically cost between $267 and $415 in September.
The cheapest round-trip price found within the last 5 days was $158 on Frontier (Sep 13-Sep 20).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated August 3, 2026.
Read through reviews of airlines operating flights from San Jose to Boise, such as Southwest and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,221 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,221 reviews
Southwest
8.0
Very good
4,221 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Alaska Airlines
7.9
Good
12,760 reviews
Southwest
8.0
Very good
4,221 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Jose to Boise?

    Booking a flight from San Jose (SJC) to Boise Air Term. Gowen Fld (BOI) is your only option if you wish to fly from San Jose to Boise. On a typical day, there are 2 flights from San Jose to Air Term. Gowen Fld, all of which are around 1h 35m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from San Jose to Boise.

  • How popular is this San Jose, California to Boise flight route?

    This flight path from San Jose to Boise Air Term. Gowen Fld was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from San Jose, California to Boise in 1h 35m. Fly via Alaska Airlines or Southwest to get the fastest option. The distance from San Jose, California to Boise is about 523 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Jose, California to Boise round-trip?

    Currently priced at $147, Southwest will fly you from San Jose, California to Boise and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $150. You may be able to fly from San Jose, California to Boise for 52% less than the average price by searching for these airlines.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Jose, California to Boise on time: SkyWest Airlines (83%), American Airlines (83%), Alaska Airlines (83%).

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

    Looking for the cheapest flight from San Jose, California to Boise? While on average our users pay $317, our data indicates the cheapest price to be $101. The most popular route (San Jose - Boise Air Term. Gowen Fld), is priced around $217.

  • Can I find deals for flights from San Jose to Boise that include hotel bookings?

    Yes. In addition to deals on San Jose to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Boise.

  • Can I find deals for business class flights from San Jose to Boise?

    Yes. Cheapflights offers flight deals from San Jose to Boise 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 Boise?

    Currently, January is the cheapest month in which you can book a flight from San Jose, California to Boise (average of $157). Flying from San Jose, California to Boise in October is currently the most expensive (average of $432). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell

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Top 2 airlines flying from San Jose to Boise

Discover the top 2 airlines that operate flights from San Jose to Boise. 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 August 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$147Average$336FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$150Average$307FlexibilityNo cancel feeOn-time75%

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