BOI - SJC

$98 Find Cheap Flights from Boise to San Jose - Compare and Save

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Everything you should know

Cheapest round-trip
$191
Typical prices: $240-$440
Alaska Airlines
Mon 12/3Fri 12/7
BOI - SJC • Non-stop
Cheapest one-way
$98
Typical prices: $116-$303
Alaska Airlines
Sun 11/18
BOI - SJC • Non-stop
Nonstop flights
You can fly direct with Southwest and Alaska Airlines. Average duration is 1h 57m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 70% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $262 (round-trip)
Shortest trip • 6h (one-way)
Insights
Insights
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We hope you love your trip to San Jose!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

Recent round-trip flight deals from Boise to San Jose

Thu, Dec 3 - Mon, Dec 7
Alaska Airlines Logo
8:30 am - 9:37 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
2h 07mnonstop
Alaska Airlines Logo
5:08 pm - 7:55 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 47mnonstop
$191Alaska Airlines
Sat, Dec 5 - Tue, Dec 15
Alaska Airlines Logo
8:30 am - 9:37 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
2h 07mnonstop
Alaska Airlines Logo
5:08 pm - 7:55 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 47mnonstop
$195Alaska Airlines
Thu, Dec 3 - Mon, Dec 7
Southwest Logo
12:40 pm - 1:30 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 50mnonstop
Southwest Logo
10:25 am - 1:05 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 40mnonstop
$195Southwest
Thu, Nov 26 - Thu, Dec 3
Southwest Logo
12:40 pm - 1:25 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 45mnonstop
Southwest Logo
10:25 am - 1:05 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 40mnonstop
$195Southwest
Wed, Dec 2 - Mon, Dec 7
Alaska Airlines Logo
8:30 am - 9:37 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
2h 07mnonstop
Alaska Airlines Logo
5:08 pm - 7:55 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
1h 47mnonstop
$195Alaska Airlines
Thu, Dec 3 - Mon, Dec 7
Southwest Logo
12:40 pm - 1:30 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
1h 50mnonstop
Southwest Logo
3:40 pm - 9:55 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
5h 15m1 stop San Diego
$205Southwest
Mon, Jan 4 - Wed, Jan 6
Frontier Logo
5:33 pm - 12:12 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
19h 39m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:59 pm - 7:49 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
20h 50m1 stop Las Vegas Harry Reid Intl
$208Frontier
Fri, Feb 26 - Sun, Feb 28
Frontier Logo
7:53 pm - 12:03 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
17h 10m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:58 pm - 6:58 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
5h 00m1 stop Las Vegas Harry Reid Intl
$211Frontier
Tue, Dec 8 - Sat, Dec 12
Delta Logo
6:35 am - 10:53 amBOI  Boise Air Term. Gowen Fld-SJC San Jose
5h 18m1 stop Seattle/Tacoma Intl
Delta Logo
2:54 pm - 10:58 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
7h 04m1 stop Los Angeles
$215Delta
Sat, Dec 5 - Tue, Dec 15
Delta Logo
12:20 pm - 5:09 pmBOI  Boise Air Term. Gowen Fld-SJC San Jose
5h 49m1 stop Seattle/Tacoma Intl
Delta Logo
2:42 pm - 10:24 pmSJC  San Jose-BOI Boise Air Term. Gowen Fld
6h 42m1 stop Seattle/Tacoma Intl
$215Delta
Booking Insights

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

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

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

Round-trip flights from Boise to San Jose typically range from $240 to $440. The lowest price found in the past 5 days was $191, on Alaska Airlines.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boise to San Jose. It’s 14% cheaper than the average day, while Monday is the most expensive, with prices 20% higher.

What’s the cheapest month to fly from Boise to San Jose?

•October is the cheapest month to fly from Boise to San Jose at $237 round-trip.
•November ($507) and March ($448) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 113% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boise to San Jose the cheapest?

Flights from Boise to San Jose are cheapest 16 weeks before departure. Booking in this window typically costs about 70% 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 Boise to San Jose

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

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.

Key details for Boise to San Jose flights

Low season

January

Cheapest flight

$98
Beat the crowds with an average 30% drop in travelers.
The most popular month to fly with an average 26% increase in travelers.
One-way flight from Boise to San Jose

When to book flights from Boise to San Jose

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

Your Boise to San Jose flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

    • Earliest: departs at 7:20 am and lands at 9:17 am
    • Latest: departs at 8:45 pm and lands at 10:42 pm.

    The flight takes about 1h 57m.

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

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

    • Economy Class
    • First Class

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

    A nonstop flight from Boise to San Jose takes 1h 57m, covering 523 miles.

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

    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.

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

    Round-trip flights from Boise to San Jose range from $240 to $440, with an average of $322 over the past 12 months. Anything below $240 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 61% above the $322 route average. Book 16 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $262 round-trip via Salt Lake City (SLC), compared to $320 for nonstop.

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

    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 Boise to San Jose?

    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.

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

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

  • Have flight prices from Boise to San Jose 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 $188 to $923. That means the highest observed fare was about 5x higher than the lowest one.

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

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

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

    One-way fares from Boise to San Jose are currently lower than usual. Average one-way flight prices are about $101, which is 46% below the typical average for this route.

  • What car rental options are available at San Jose Airport (SJC)?

    San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates averaging $59 for economy cars. Top options include:

    • Europcar
    • Fox
    • Dollar
    • Thrifty
    • Hertz

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

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

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

    One-stop flights from Boise to San Jose most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 40% of one-stop connections
    • Salt Lake City (SLC) - 40% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 20% of one-stop connections

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

    Yes. Flexible dates can save you up to 29% on flights from Boise to San Jose. Tuesday is the cheapest departure day at $277 round-trip on average, while Monday is the most expensive at $387, a difference of $110.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Boise to San Jose?

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

    • Southwest
    • Alaska Airlines

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 40m, compared with 6h via Phoenix Sky Harbor Intl (PHX) and 6h 13m via Seattle/Tacoma Intl (SEA).

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

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

  • What popular places can I visit in San Jose?

    Some of the most popular sights in San Jose are San Jose McEnery Convention Center, SAP Center at San Jose and Civic Auditorium. These are among the most viewed places in San Jose on KAYAK.

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

    Among airlines operating Boise to San Jose 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.

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

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

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

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

Your guide to booking Boise to San Jose flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $277, about $110 less than Monday fares (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 70% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to San Jose trip for October. Fares historically average $237 round-trip in that month - typically $270 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Salt Lake City Airport (SLC) can be cheaper than flying direct. The cheapest layover option averages $262 round-trip on this route - about $58 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 San Jose Airport.

    • Country Inn & Suites by Radisson, San Jose Airport
    • Holiday Inn San Jose - Silicon Valley by IHG
    • Spark by Hilton San Jose Airport

Prefer to fly direct from Boise to San Jose?

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

Direct departures

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

Direct returns

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

More options for your flight from Boise to San Jose

Complete your trip to San Jose with a hotel stay or car rental