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Cheap flights from San José (SJO) to Boise (BOI)

SJO — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from San José to Boise

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Popular in

November

Cheapest in

July

Average price

$497
Highest demand for flights based on searches. 24% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Best time to book a flight from San José to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from San José with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San José to Boise

What is the cheapest month to book a flight from San José, San José Province to Boise?

Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Boise (average of $314). Flying from San José, San José Province to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJO to BOI?

Find hourly flight availability from San José to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

One of the essential ways to save on airfare from San José, San José Province to Boise is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 36% on airfare.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown United Airlines from San José to Boise. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from San José to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from San José, San José Province to Boise round-trip?

    Cheapflights users have booked flights from San José, San José Province to Boise round-trip from $311. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San José to Boise that include hotel bookings?

    Yes. In addition to deals on San José to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Boise.

  • Can I find deals for business class flights from San José to Boise?

    Yes. Cheapflights offers flight deals from San José to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José, San José Province to Boise?

    Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Boise (average of $314). Flying from San José, San José Province to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Alternative routes for San José to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San José to Boise

Discover the top airline that operate flights from San José to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$396FlexibilityNo cancel feeOn-time69%

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