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Cheap flights from San Jose, California to Idaho from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Idaho departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Jose, California to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:41 pm - 10:24 pm
SJC
-
BOI
1h 43mnonstop
Alaska Airlines Logo
10:22 am - 11:17 am
BOI
-
SJC
1h 55mnonstop
$131Alaska Airlines
Tue, Apr 28 - Wed, Apr 29
Southwest Logo
6:55 pm - 1:00 am
SJC
-
BOI
5h 05m
1 stop
Southwest Logo
7:55 pm - 11:55 pm
BOI
-
SJC
5h 00m
1 stop
$150Southwest
Fri, Apr 24 - Mon, Apr 27
Southwest Logo
5:50 pm - 1:00 am
SJC
-
BOI
6h 10m
2 stops
Southwest Logo
7:55 pm - 11:55 pm
BOI
-
SJC
5h 00m
1 stop
$156Southwest
Fri, Apr 24 - Mon, Apr 27
Southwest Logo
6:55 pm - 1:00 am
SJC
-
BOI
5h 05m
1 stop
Southwest Logo
1:20 pm - 2:05 pm
BOI
-
SJC
1h 45mnonstop
$162Southwest
Fri, Apr 24 - Mon, Apr 27
Alaska Airlines Logo
2:51 pm - 9:26 pm
SJC
-
BOI
5h 35m
1 stop
Alaska Airlines Logo
10:22 am - 11:17 am
BOI
-
SJC
1h 55mnonstop
$179Alaska Airlines
Tue, Apr 28 - Wed, Apr 29
Alaska Airlines Logo
7:22 pm - 10:07 pm
SJC
-
BOI
1h 45mnonstop
Alaska Airlines Logo
10:22 am - 11:17 am
BOI
-
SJC
1h 55mnonstop
$197Alaska Airlines
Mon, Apr 20 - Thu, Apr 23
Southwest Logo
4:30 pm - 12:45 am
SJC
-
BOI
7h 15m
1 stop
Southwest Logo
1:20 pm - 2:05 pm
BOI
-
SJC
1h 45mnonstop
$207Southwest
Mon, Apr 20 - Fri, Apr 24
Delta Logo
7:20 am - 1:12 pm
SJC
-
BOI
4h 52m
1 stop
Delta Logo
7:05 am - 10:45 am
BOI
-
SJC
4h 40m
1 stop
$217Delta
Tue, May 5 - Mon, May 11
Delta Logo
5:45 pm - 11:59 pm
SJC
-
GEG
6h 14m
1 stop
Delta Logo
5:35 am - 12:48 pm
GEG
-
SJC
7h 13m
1 stop
$256Delta
Thu, May 7 - Sun, May 10
United Airlines Logo
8:45 am - 4:07 pm
SJC
-
WYS
6h 22m
1 stop
United Airlines Logo
2:02 pm - 9:10 pm
WYS
-
SJC
8h 08m
1 stop
$429United Airlines
Sat, Aug 29 - Wed, Sep 2

Southwest flights from San Jose, California to Idaho

Our best Southwest deals on San Jose, California to Idaho flight tickets
Southwest
Apr 24
SJC6:55 pmSan Jose
5h 05m
1 stop
BOI1:00 amBoise Air Term. Gowen Fld
Apr 27
BOI7:55 pmBoise Air Term. Gowen Fld
5h 00m
1 stop
SJC11:55 pmSan Jose
$150
Southwest
Apr 24
SJC5:50 pmSan Jose
6h 10m
2 stops
BOI1:00 amBoise Air Term. Gowen Fld
Apr 27
BOI7:55 pmBoise Air Term. Gowen Fld
5h 00m
1 stop
SJC11:55 pmSan Jose
$156
Southwest
Apr 24
SJC6:55 pmSan Jose
5h 05m
1 stop
BOI1:00 amBoise Air Term. Gowen Fld
Apr 27
BOI1:20 pmBoise Air Term. Gowen Fld
1h 45m
SJC2:05 pmSan Jose
$162

Delta flights from San Jose, California to Idaho

Our best Delta deals on San Jose, California to Idaho flight tickets
Delta
May 5
SJC7:20 amSan Jose
4h 52m
1 stop
BOI1:12 pmBoise Air Term. Gowen Fld
May 11
BOI7:05 amBoise Air Term. Gowen Fld
4h 40m
1 stop
SJC10:45 amSan Jose
$217
Delta
May 3
SJC6:45 amSan Jose
7h 18m
1 stop
BOI3:03 pmBoise Air Term. Gowen Fld
May 7
BOI12:55 pmBoise Air Term. Gowen Fld
4h 14m
1 stop
SJC4:09 pmSan Jose
$248
Delta
May 7
SJC5:45 pmSan Jose
6h 14m
1 stop
GEG11:59 pmSpokane
May 10
GEG5:35 amSpokane
7h 13m
1 stop
SJC12:48 pmSan Jose
$256

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California 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, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from San Jose, California to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 4/28

7:41 pm-10:24 pm

Nonstop1h 43m

Boise Air Term. Gowen Fld

Wed 4/29

10:22 am-11:17 am

Nonstop1h 55m

$131

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 4/24

6:55 pm-1:00 am

1 stop5h 05m

Boise Air Term. Gowen Fld

Mon 4/27

7:55 pm-11:55 pm

1 stop5h 00m

$150

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 4/24

5:50 pm-1:00 am

2 stops6h 10m

Boise Air Term. Gowen Fld

Mon 4/27

7:55 pm-11:55 pm

1 stop5h 00m

$156

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Fri 4/24

6:55 pm-1:00 am

1 stop5h 05m

Boise Air Term. Gowen Fld

Mon 4/27

1:20 pm-2:05 pm

Nonstop1h 45m

$162

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 4/28

2:51 pm-9:26 pm

1 stop5h 35m

Boise Air Term. Gowen Fld

Wed 4/29

10:22 am-11:17 am

Nonstop1h 55m

$179

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Mon 4/20

7:22 pm-10:07 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Thu 4/23

10:22 am-11:17 am

Nonstop1h 55m

$197

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Mon 4/20

4:30 pm-12:45 am

1 stop7h 15m

Boise Air Term. Gowen Fld

Fri 4/24

1:20 pm-2:05 pm

Nonstop1h 45m

$207

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Tue 5/5

7:20 am-1:12 pm

1 stop4h 52m

Boise Air Term. Gowen Fld

Mon 5/11

7:05 am-10:45 am

1 stop4h 40m

$217

San JoseSpokane

SJC - GEG

SJCGEG

San Jose

Thu 5/7

5:45 pm-11:59 pm

1 stop6h 14m

Spokane

Sun 5/10

5:35 am-12:48 pm

1 stop7h 13m

$256

San JoseWest Yellowstone

SJC - WYS

SJCWYS

San Jose

Sat 8/29

8:45 am-4:07 pm

1 stop6h 22m

West Yellowstone

Wed 9/2

2:02 pm-9:10 pm

1 stop8h 08m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from San Jose, California to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from San Jose, California to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $157. If you don’t want to visit Idaho in January, then you should wait until February to fly from San Jose, California, when ticket prices are also cheap, with an average price of $186.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $237. On the other hand, Tuesday is the most expensive day to depart from San Jose, California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $377.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from San Jose, California to Idaho at noon for as low as $232. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $306 per ticket.

What is the cheapest San Jose to Idaho flight route?

Fly from San Jose to Boise Air Term. Gowen Fld for the best San Jose - Idaho flight prices

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $274 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from San Jose, California for as low as $166 on momondo.

What cabin class options are available on San Jose to Idaho flights?

There are 2 cabin classes available to choose from on San Jose to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Jose, California to Idaho flights?

You could potentially save up to 6% on your flight if you consider stops on a San Jose, California to Idaho flight.

Cheap San Jose, California to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Idaho

Best Price Found

$98

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Idaho

27 airports
The best one-way flight to Idaho from San Jose, California in the past 72 hours is $98. The best round-trip flight deal from San Jose, California to Idaho found on momondo in the last 72 hours is $267.
The fastest flight from San Jose, California to Idaho takes 1h 30m
Direct flights go from San Jose, California to Idaho every day.
There are 27 airports in Idaho. From San Jose, California there are direct flights to Spokane (GEG), Boise Air Term. Gowen Fld (BOI).
Search flight deals

  • When did momondo last update prices for flights from San Jose Airport to Idaho?

    Prices for flights from San Jose Airport to Idaho are updated daily.

  • How many operators does momondo search for flights from San Jose Airport to Idaho?

  • How old do you have to be to fly from San Jose Airport to Idaho?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Jose, California to Idaho?

Best airlines flying from San Jose, California to Idaho

Compare and see reviews for airlines that fly from San Jose, California to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $126Free CancellationRating
7.9
8,366 reviews
Search Delta flights
SouthwestPriceFrom $137Free CancellationRating
8.0
4,336 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $147Free CancellationRating
7.9
12,149 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Idaho?

It is quick and easy to find San Jose to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

Can I find flights from San Jose to Idaho with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho from San Jose which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Jose to Idaho?

Once all potential San Jose to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Jose to Idaho right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Jose to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.

An easier way to manage your Idaho trip

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