SJC - BOI

$110 Find Cheap Flights from San Jose to Boise - Compare and Save

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Everything you should know

Cheapest round-trip
$175
Typical prices: $213-$403
Frontier
Mon 10/15Mon 10/22
SJC - BOI • 1 stop
Cheapest non-stop
$233
Typical prices: $220-$420
Southwest
Sun 10/7Wed 10/10
SJC - BOI • Non-stop
Nonstop flights
You can fly direct with Southwest and Alaska Airlines. Average duration is 1h 40m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 65% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 50% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $176 (round-trip)
Shortest trip • 3h 52m (one-way)
Insights
Insights
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We hope you love your trip to Boise!
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Expert advice
Flight Deals

Cheap Flights from San Jose to Boise (SJC-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Jose to Boise

Thu, Oct 15 - Thu, Oct 22
Frontier Logo
9:02 pm - 1:55 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
15h 53m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 1:20 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
23h 30m1 stop Las Vegas Harry Reid Intl
$175Frontier
Wed, Dec 2 - Mon, Dec 7
Alaska Airlines Logo
11:59 am - 12:11 amSJC  San Jose-BOI Boise Air Term. Gowen Fld
11h 12m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:43 pm - 10:12 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
5h 29m1 stop Seattle/Tacoma Intl
$203Alaska Airlines
Sat, Oct 24 - Sun, Oct 25
Delta Logo
2:37 pm - 10:08 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
6h 31m1 stop Seattle/Tacoma Intl
Delta Logo
6:45 am - 10:50 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
5h 05m1 stop Seattle/Tacoma Intl
$203Delta
Wed, Oct 14 - Sun, Oct 18
Delta Logo
2:37 pm - 10:08 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
6h 31m1 stop Seattle/Tacoma Intl
Delta Logo
6:45 am - 10:50 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
5h 05m1 stop Seattle/Tacoma Intl
$203Delta
Sat, Oct 17 - Wed, Oct 21
Alaska Airlines Logo
1:31 pm - 9:56 amSJC  San Jose-BOI Boise Air Term. Gowen Fld
19h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:06 pm - 6:01 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
4h 55m1 stop Seattle/Tacoma Intl
$203Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
Delta Logo
7:31 am - 5:14 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
8h 43m1 stop Seattle/Tacoma Intl
Delta Logo
3:36 pm - 10:50 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
20h 14m1 stop Seattle/Tacoma Intl
$203Delta
Tue, Dec 1 - Mon, Dec 7
Alaska Airlines Logo
8:00 am - 12:11 amSJC  San Jose-BOI Boise Air Term. Gowen Fld
15h 11m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:43 pm - 11:00 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
18h 17m1 stop Seattle/Tacoma Intl
$203Alaska Airlines
Wed, Oct 7 - Sat, Oct 10
Southwest Logo
10:10 am - 12:50 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 40mnonstop
Southwest Logo
11:10 am - 11:55 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 45mnonstop
$233Southwest
Sat, Oct 17 - Wed, Oct 21
Southwest Logo
12:45 pm - 3:25 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 40mnonstop
Southwest Logo
12:20 pm - 1:05 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 45mnonstop
$233Southwest
Sat, Oct 17 - Wed, Oct 21
Southwest Logo
12:45 pm - 3:25 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 40mnonstop
Southwest Logo
12:20 pm - 1:05 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 45mnonstop
$237Southwest
Booking Insights

Price, demand and travel trends for San Jose to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Jose to Boise with more confidence.

How much is a round-trip flight from San Jose to Boise?

Round-trip flights from San Jose to Boise start at $175. Prices are below average for this route right now, with typical round-trip fares ranging from $213 to $403. The lowest price found in the past 5 days was $175 on Frontier.

What's the cheapest day of the week to fly from San Jose to Boise?

Wednesday is the cheapest day of the week to fly from San Jose to Boise, it is 25% cheaper than the average day. Friday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Jose to Boise?

  • January is the cheapest month to fly from San Jose to Boise at $157 round-trip.
  • October ($432) and June ($362) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 175% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Jose to Boise the cheapest?

Flights from San Jose to Boise are cheapest 12 weeks before departure. Booking in this window typically costs about 65% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Jose to Boise

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for San Jose to Boise flights

Low season

February

Cheapest flight

$110
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from San Jose to Boise

When to book flights from San Jose to Boise

Are your dates flexible? Find out the best times to travel from San Jose to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Jose to Boise flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on San Jose to Boise flights?

    Among airlines operating San Jose to Boise flights:

    • Southwest: offers free seat selection
    • Alaska Airlines: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from San Jose to Boise?

    2 airlines operate flights between San Jose and Boise. The airlines offering nonstop flights on this route include:

    • Southwest
    • Alaska Airlines

  • Which airports can I use when flying from San Jose to Boise?

    Flights from San Jose to Boise usually depart from San Jose (SJC) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airlines include bags at no extra cost on San Jose to Boise flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Business Class
    • American Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from San Jose to Boise?

    Two cabin classes are available on flights from San Jose to Boise:

    • Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from San Jose to Boise?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $176 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $316 for nonstop.

  • What is the standard checked-bag allowance on flights from San Jose to Boise?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Jose to Boise?

    The Embraer 170 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from San Jose to Boise pass through?

    Connecting flights from San Jose to Boise most commonly pass through:

    • Las Vegas Harry Reid Intl (LAS) - 50% of one-stop connections
    • Salt Lake City (SLC) - 50% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from San Jose to Boise?

    Yes. Being flexible with your travel dates can save you up to 29% on the San Jose to Boise route. Wednesday is the cheapest departure day at $237 round-trip on average, while Friday is the most expensive at $331, a difference of $94. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from San Jose to Boise spread across the day?

    Morning is the busiest departure period on San Jose to Boise flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • What are the earliest and latest flights from San Jose to Boise?

    These are the earliest and latest flight times available from San Jose to Boise:

    • Earliest: departs at 9:05 am and lands at 10:45 am
    • Latest: departs at 7:49 pm and lands at 9:29 pm.

    The flight takes about 1h 40m.

  • How expensive are last-minute San Jose to Boise flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 75% above the route average of $312. Book 12 weeks before departure for the lowest fares.

  • How long is a flight from San Jose to Boise?

    A nonstop flight from San Jose to Boise takes 1h 40m, covering 523 miles.

  • Do I need a passport to fly from San Jose to Boise?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Jose to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $175 to $820. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from San Jose to Boise looking right now?

    One-way fares from San Jose to Boise are currently lower than usual. Average one-way flight prices are about $118, which is 42% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Jose to Boise?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 3h 52m, compared with 4h 59m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between San Jose and Boise?

    Boise is 1 hour ahead of San Jose (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • How much should I expect to pay for a San Jose to Boise flight?

    Round-trip flights from San Jose to Boise range from $213 to $403, with an average of $312 over the past 12 months. Anything below $213 counts as a good deal.

  • Which airlines offer Wi-Fi on San Jose to Boise flights?

    Alaska Airlines is the only airline on the San Jose to Boise route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking San Jose to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $237 - about $94 less than Friday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 65% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Jose to Boise trip for January. Fares historically average $157 round-trip in that month - typically $275 less than the most expensive month, which is October (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $176 round-trip on this route - about $140 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

Prefer to fly direct from San Jose to Boise?

 
Find which airlines fly direct from San Jose Airport to Boise Air Term. Gowen Fld Airport, which days they fly and book direct flights.

Direct departures

San Jose to Boise Air Term. Gowen Fld

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

Direct returns

Boise Air Term. Gowen Fld to San Jose

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

More options for your flight from San Jose to Boise

Complete your trip to Boise with a hotel stay or car rental