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203 € Cheap Flights from Boise to San Jose International

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      Travellers and cabin class, 1 Adult, Economy
      Southwest Airlines
      Alaska Airlines
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      Compare Boise to San Jose International flight deals

      Find the cheapest month or even day of the year to fly to San Jose International

      Book the best San Jose International fare with no extra fees

      Flight deals from Boise to San Jose International

      Looking for a cheap last-minute deal or the best return flight from Boise Airport to San Jose International Airport? If you want to travel next month, return fares start from 203 €. Find the lowest prices on one-way and return tickets right here.
      San Jose.203 € per passenger.Departing Thu, 15 Oct, returning Mon, 26 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Thu, 15 Oct, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Mon, 26 Oct, arriving in Boise.Price includes taxes and charges.From 203 €, select.
      San Jose.204 € per passenger.Departing Fri, 23 Oct, returning Fri, 13 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Fri, 23 Oct, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Fri, 13 Nov, arriving in Boise.Price includes taxes and charges.From 204 €, select.
      San Jose.204 € per passenger.Departing Sat, 7 Nov, returning Sun, 8 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Sat, 7 Nov, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Sun, 8 Nov, arriving in Boise.Price includes taxes and charges.From 204 €, select.
      San Jose.212 € per passenger.Departing Fri, 11 Dec, returning Tue, 15 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Fri, 11 Dec, arriving in San Jose International.Inbound indirect flight with Southwest Airlines, departs from San Jose International on Tue, 15 Dec, arriving in Boise.Price includes taxes and charges.From 212 €, select.
      San Jose.219 € per passenger.Departing Thu, 11 Feb, returning Thu, 18 Feb.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boise on Thu, 11 Feb, arriving in San Jose International.Inbound indirect flight with Alaska Airlines, departs from San Jose International on Thu, 18 Feb, arriving in Boise.Price includes taxes and charges.From 219 €, select.
      San Jose.220 € per passenger.Departing Thu, 24 Sep, returning Thu, 1 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Thu, 24 Sep, arriving in San Jose International.Inbound indirect flight with Delta, departs from San Jose International on Thu, 1 Oct, arriving in Boise.Price includes taxes and charges.From 220 €, select.
      San Jose.229 € per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Wed, 17 Feb, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Wed, 24 Feb, arriving in Boise.Price includes taxes and charges.From 229 €, select.
      San Jose.234 € per passenger.Departing Wed, 16 Sep, returning Wed, 23 Sep.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boise on Wed, 16 Sep, arriving in San Jose International.Inbound indirect flight with Alaska Airlines, departs from San Jose International on Wed, 23 Sep, arriving in Boise.Price includes taxes and charges.From 234 €, select.
      San Jose.256 € per passenger.Departing Sat, 19 Sep, returning Mon, 21 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Sat, 19 Sep, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Mon, 21 Sep, arriving in Boise.Price includes taxes and charges.From 256 €, select.
      San Jose.350 € per passenger.Departing Tue, 22 Dec, returning Sun, 3 Jan.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Boise on Tue, 22 Dec, arriving in San Jose International.Inbound direct flight with Southwest Airlines departs from San Jose International on Sun, 3 Jan, arriving in Boise.Price includes taxes and charges.From 350 €, select.

      Find the cheapest month to fly from Boise to San Jose International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to San Jose International flights are currently cheapest in October.
      Sep
      from 234 €
      Oct
      from 203 €
      Nov
      from 204 €
      Dec
      from 212 €
      Jan
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      Feb
      from 219 €
      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Direct flights from Boise to San Jose International

      Alaska Airlines
      American Airlines
      Southwest Airlines

      Boise to San Jose International: Alternative routes

      Compare routes from Boise to San Jose below. You may find an airport to fly into that's cheaper, faster, or easier than San Jose International.

      San Jose International

      5km from central San Jose
      Closest
      from 203 €
      Search flights

      San Jose Reid-Hillview

      6km from central San Jose
      Search flights

      Oakland Metropolitan Oak

      52km from central San Jose
      from 194 €
      Search flights

      San Francisco International

      53km from central San Jose
      Cheapest
      from 174 €
      Search flights

      Concord

      74km from central San Jose
      Search flights

      Carmel Monterey Peninsula

      83km from central San Jose
      from 373 €
      Search flights

      Sacramento Stockton

      85km from central San Jose
      from 894 €
      Search flights

      Boise to San Jose: Flight information

      The things to know before you go.
      Cheapest flight found203 €
      Cheapest month to flyOctober
      Average flight time1 hr, 53 mins
      Most popular airlineSouthwest Airlines
      Average flights per week24

      Finding cheap flights from Boise to San Jose International: Frequently asked questions

      The best price we found for a return flight from Boise to San Jose International is 203 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      1 hour and 53 minutes is the average flight time from Boise to San Jose International.
      Southwest Airlines, Alaska Airlines and American Airlines fly direct from Boise to San Jose International.
      As of September 2026, there are 24 flights per week flying from Boise to San Jose International.
      The cheapest month to fly from Boise to San Jose International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to San Jose International Airport on Thursday, 15 October 2026.
      Yes – the average flight time is 1 hour and 53 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Jose International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Jose is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Southwest Airlines offers the cheapest flight tickets to San Jose International.

      Travelling from Boise Airport (BOI) to San Jose International Airport (SJC): what you need to know

      • The average time for a direct flight from Boise Airport to San Jose International Airport is 1 hour 50 minutes.

      • San Jose is one hour behind Boise and observes the UTC-8 timezone.

      • You can choose from ten weekly Boise Airport to San Jose International Airport flights. The 08:00 departure with Alaska Airlines is the earliest you can take. Southwest Airlines operates the last service of the day at 17:45.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your BOI to SJC flight.

      • During popular months like October, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.

      • Alaska Airlines is your gateway to discovering San Jose (and maybe even some other great parts of the United States!). Browse the direct flights from Boise Airport to San Jose International Airport offered by this airline.

      • The airline that serves the most passengers on this route is Alaska Airlines.

      • With a dependable 94.12% of services arriving on schedule, Alaska Airlines is the most punctual carrier operating BOI to SJC flights.

      • Think about adding a stopover when booking your ticket from Boise Airport to San Jose International Airport. Just deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here's where you can stop between BOI and SJC:

        • Seattle / Tacoma International Airport

        • Harry Reid International Airport

        • Salt Lake City Airport

      Handy information about Boise Airport (BOI)

      • BOI is located at 3201 Airport Way.

      • 84% of flights departing from Boise Airport reach their destination on schedule. With its reliable on-time performance, you're unlikely to face delays when taking off from BOI.

      • Boise Airport is around 6 kilometres from central Boise. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

      • You can expect a journey time of about 30 minutes when using public transport.

      • Get your trip off to a hassle-free start by staying near BOI. Whether you're taking an early flight from Boise Airport to San Jose International Airport or just don't want to be rushed, these stays are the answer:

      Arriving at San Jose International Airport (SJC)

      When to fly to San Jose International Airport (SJC)

      • The quietest month for a flight from Boise Airport to San Jose International Airport is March, while July is the busiest. Choose the best time to go to San Jose based on whether you prefer a faster pace or a more relaxed vibe.

      • When reserving your flight from Boise Airport to San Jose International Airport, consider the type of weather you enjoy. July is the warmest month in San Jose, with the temperature ranging from 12ºC (54ºF) to 33ºC (91ºF).

      • Search for cheap tickets from BOI to SJC in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 18ºC (64ºF) on average.

      Explore more of the United States

      • San Jose is easy to fall in love with, but there are so many other parts of the United States you should also see. About 499 kilometres south-east of San Jose, a visit to Los Angeles will fill your itinerary to the brim. Don't miss top attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • Around 64 kilometres north-west of San Jose, San Francisco is another essential stop in the United States. No visit is complete without checking out Golden Gate Bridge, Painted Ladies - Alamo Square and Alcatraz Island.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.