Skyscanner home

Cheap flights from San Jose to Boise

Compare San Jose to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

Book the best Boise fare with no extra fees

Flight deals from San Jose to Boise

Looking for a cheap last-minute deal or the best round-trip flight from San Jose to Boise? Find the lowest prices on one-way and round-trip tickets right here.
Boise.$182 per passenger.Departing Fri, Dec 12, returning Sun, Dec 14.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Jose International on Fri, Dec 12, arriving in Boise.Inbound direct flight with Alaska Airlines departing from Boise on Sun, Dec 14, arriving in San Jose International.Price includes taxes and charges.From $182, select.
Boise.$193 per passenger.Departing Thu, Feb 5, returning Mon, Feb 9.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from San Jose International on Thu, Feb 5, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Mon, Feb 9, arriving in San Jose International.Price includes taxes and charges.From $193, select.
Boise.$205 per passenger.Departing Wed, Mar 25, returning Sat, Mar 28.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Jose International on Wed, Mar 25, arriving in Boise.Inbound indirect flight with Delta, departing from Boise on Sat, Mar 28, arriving in San Jose International.Price includes taxes and charges.From $205, select.
Boise.$232 per passenger.Departing Thu, Jan 1, returning Sun, Jan 4.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from San Jose International on Thu, Jan 1, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Sun, Jan 4, arriving in San Jose International.Price includes taxes and charges.From $232, select.
Boise.$242 per passenger.Departing Thu, May 14, returning Thu, May 21.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from San Jose International on Thu, May 14, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Thu, May 21, arriving in San Jose International.Price includes taxes and charges.From $242, select.
Boise.$287 per passenger.Departing Fri, Jun 12, returning Sun, Jun 14.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Jose International on Fri, Jun 12, arriving in Boise.Inbound indirect flight with Delta, departing from Boise on Sun, Jun 14, arriving in San Jose International.Price includes taxes and charges.From $287, select.
Boise.$288 per passenger.Departing Thu, Jan 1, returning Sun, Jan 4.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from San Jose International on Thu, Jan 1, arriving in Boise.Inbound direct flight with Southwest Airlines departing from Boise on Sun, Jan 4, arriving in San Jose International.Price includes taxes and charges.From $288, select.
Boise.$347 per passenger.Departing Fri, Jun 12, returning Sun, Jun 14.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Jose International on Fri, Jun 12, arriving in Boise.Inbound direct flight with Alaska Airlines departing from Boise on Sun, Jun 14, arriving in San Jose International.Price includes taxes and charges.From $347, select.

Find the cheapest month to fly from San Jose to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Jose to Boise flights are currently cheapest in December.
Nov
from $548
Dec
from $182
Jan
from $232
Feb
from $193
Mar
from $205
Apr
Find prices
May
from $242
Jun
from $287
Jul
Find prices
Aug
Find prices
Sep
Find prices
Oct
Find prices

Direct flights from San Jose to Boise

San Jose to Boise: Alternative routes

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

San Jose to Boise: Flight information

The things to know before you go.
Cheapest flight found$182
Cheapest month to flyDecember
Average flight time1 hr, 40 mins
Most popular airlineSouthwest Airlines
Average flights per week31

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

The best price we found for a round-trip flight from San Jose to Boise is $182. 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 40 minutes is the average flight time from San Jose to Boise.
Southwest Airlines, Alaska Airlines and Hawaiian Airlines fly direct from San Jose to Boise.
There are 31 flights per week flying from San Jose to Boise, as of November 2025.
The cheapest month to fly from San Jose to Boise is usually December.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Boise Airport on Friday, December 12, 2025.
Yes – the average flight time is 1 hour and 40 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 Boise 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 Boise is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Boise is Alaska Airlines.

Flying from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI): What you need to know

  • Start your trip at Norman Y. Mineta San Jose International Airport (SJC), the main airport in San Jose. Search for flights from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI) that take off from this terminal.

  • Expect to be in the air for 1 hour 35 minutes. On average, that's the time it takes for a direct San Jose to Boise Air Terminal (Gowen Field) Airport flight.

  • The timezone in Boise is UTC-6, which is one hour ahead of San Jose. Boise Air Terminal (Gowen Field) Airport is located in Boise.

  • Norman Y. Mineta San Jose International Airport (SJC) to Boise Air Terminal (Gowen Field) Airport (BOI) is the most popular route. There are 11 direct flights a week to pick from. If you prefer a later start to the day, hop on the last flight with Southwest Airlines at 7:45pm. Choose the first SJC to BOI departure with Southwest Airlines at 8:50am if you'd rather not wait around.

  • Leave plenty of time to make your flight from San Jose to BOI. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During high season, allow for longer wait times and arrive earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in San Jose

Norman Y. Mineta San Jose International Airport (SJC)

  • Fly without interruptions from Norman Y. Mineta San Jose International Airport (SJC). Nonstop flights from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI) are available from here.

  • You can book a direct flight from San Jose to Boise Air Terminal (Gowen Field) Airport with Alaska Airlines. This top carrier operates departures from SJC.

  • The majority of travelers choose to fly with Alaska Airlines between SJC and BOI.

  • Alaska Airlines is the leading carrier for punctuality on this route.

  • Located around 6 kilometers from central San Jose, SJC can be reached in about 10 minutes by car, depending on traffic. The journey on public transport takes roughly 45 minutes.

  • Searching for a comfortable hotel near Norman Y. Mineta San Jose International Airport? If you're catching an early flight from San Jose to Boise Air Terminal (Gowen Field) Airport, these stays will put you a quick hop from check-in:

  • 84.69% of flights leaving Norman Y. Mineta San Jose International Airport land at their destination as planned. Given its reliable on-time performance, you're unlikely to experience delays when setting off from SJC.

  • SJC is located at 1701 Airport Boulevard, Suite B-1130.

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • Boise Air Terminal (Gowen Field) Airport to the center of Boise is about 6 kilometers. If you're taking a cab or renting a car, do some research to make your trip as smooth as possible. Journey times may vary based on the time of day and traffic conditions.

  • It takes roughly 1 hour 35 minutes if you're using public transport.

How to find the cheapest flights from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI)

  • At the moment, $71 is the lowest price we've found for a one-way ticket from San Jose to Boise Air Terminal (Gowen Field) Airport. The cheapest price for a return flight is $182. Keep in mind fares may change due to demand at the time of booking.

  • Get cheap flights from San Jose to BOI by booking one month ahead. Based on our research, that's the sweet spot for landing a bargain.

  • The best month for scoring cheap San Jose to Boise Air Terminal (Gowen Field) Airport tickets is June. Use the 'Whole month' tool to compare prices, then select the dates that offer the biggest savings.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from San Jose to BOI.

  • Lock in a cheap flight from San Jose to Boise Air Terminal (Gowen Field) Airport by using the search filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI)

  • It's time to figure out your travel dates for your flight from San Jose to Boise Air Terminal (Gowen Field) Airport (BOI). July is the most popular month to visit Boise. If crowds aren't your thing, go in May.

  • When booking your San Jose to BOI plane ticket, consider the kind of weather you prefer. July is the warmest month in Boise, with temperatures ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • January sees temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Search for cheap tickets from San Jose to Boise Air Terminal (Gowen Field) Airport around that time if you like cooler conditions.

More about Boise

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Boise right here. Explore these hotels as soon as you've locked in your flight from San Jose to Boise Air Terminal (Gowen Field) Airport:

  • All great journeys should include a little sightseeing. Cathedral Of The Rockies, Boise River Rafting and Boise Depot are must-do's during your Boise adventure.

Explore more of the United States

  • You've visited Boise, now it's time to discover other parts of the United States. Travel around 177 kilometers south-east to Twin Falls to check off its top sights. From Sawtooth National Forest to Twin Falls and Base jump the bridge, you'll have a packed itinerary ahead.

  • If you're interested in discovering another major destination in the United States, consider La Grande, about 241 kilometers north-west of Boise. Our Lady of the Valley, La Grande Skatepark and Jefferson Street Depot are key highlights.

Plan the rest of your trip from San Jose to Boise

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.