$170 Cheap Flights from San José (SJO) to Boise (BOI)

View $170 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)

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Cheap Flights from San José to Boise (SJO-BOI)

Prices were available within the past 7 days and start at $170 for one-way flights and $296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Nov 14 - Mon, Nov 17
SJO
San José
BOI
Boise
$296 Roundtrip, found 11 hours ago
$296
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Nov 14 from San José to Boise, returning Mon, Nov 17, priced at $296 found 11 hours ago
American Airlines
Fri, Nov 14 - Mon, Nov 17
SJO
San José
BOI
Boise
$302 Roundtrip, found 11 hours ago
$302
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Nov 14 from San José to Boise, returning Mon, Nov 17, priced at $302 found 11 hours ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
SJO
San José
BOI
Boise
$307 Roundtrip, found 11 hours ago
$307
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Nov 13 from San José to Boise, returning Sun, Nov 16, priced at $307 found 11 hours ago
American Airlines
Sat, Nov 15 - Tue, Nov 18
SJO
San José
BOI
Boise
$310 Roundtrip, found 11 hours ago
$310
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 15 from San José to Boise, returning Tue, Nov 18, priced at $310 found 11 hours ago
United
Sat, Nov 15 - Tue, Nov 18
SJO
San José
BOI
Boise
$310 Roundtrip, found 11 hours ago
$310
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Nov 15 from San José to Boise, returning Tue, Nov 18, priced at $310 found 11 hours ago
Southwest Airlines
Fri, Nov 14 - Mon, Nov 17
SJO
San José
BOI
Boise
$312 Roundtrip, found 11 hours ago
$312
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Fri, Nov 14 from San José to Boise, returning Mon, Nov 17, priced at $312 found 11 hours ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
SJO
San José
BOI
Boise
$312 Roundtrip, found 11 hours ago
$312
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Nov 13 from San José to Boise, returning Sun, Nov 16, priced at $312 found 11 hours ago
Delta
Thu, Nov 13 - Sun, Nov 16
SJO
San José
BOI
Boise
$315 Roundtrip, found 11 hours ago
$315
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Nov 13 from San José to Boise, returning Sun, Nov 16, priced at $315 found 11 hours ago
Alaska Airlines
Wed, Nov 12 - Thu, Nov 13
SJO
San José
BOI
Boise
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from San José to Boise, returning Thu, Nov 13, priced at $315 found 5 days ago
Delta
Sat, Nov 15 - Tue, Nov 18
SJO
San José
BOI
Boise
$316 Roundtrip, found 11 hours ago
$316
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Nov 15 from San José to Boise, returning Tue, Nov 18, priced at $316 found 11 hours ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $315
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $315

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI) cost?
Secure a cheap one-way flight from $170 or cheap return flight from $296 from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)?
November is the cheapest month to fly from SJO to BOI. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SJO to BOI. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)?
There are no daily direct flights available from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SJO to BOI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)?
To avoid potential delays on the Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI) last-minute?
Last-minute bookings from SJO to BOI are generally more expensive. To secure the best rates, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a SJO to BOI flight and hotel package?
Securing a SJO to BOI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Boise Airport (BOI)?
Typically, you're able to reschedule or cancel your SJO to BOI flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Boise
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Copa, Delta, Southwest Airlines, United
Roundtrip price
$295
Distance
3009 mi

Book with confidence

San José to Boise Flights

The cheapest times to fly from San José to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San José to Boise are during the month of November. You can find some of the cheapest flights from San José to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San José to Boise

Sunday is one of the best days to book for cheap flights from San José to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San José to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San José to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San José to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San José to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San José to Boise Flights

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*Available to One Key members.