Cheap flights from Boise to San José from $380
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San José departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Boise to San José
Cheap round-trip flights
Cheap last minute flights
Delta flights from Boise to San José, San José Province
Our best Delta deals on Boise to San José, San José Province flight tickets
American Airlines flights from Boise to San José, San José Province
Our best American Airlines deals on Boise to San José, San José Province flight tickets
See travel insights to San José from
How to get the cheapest flight ticket from Boise to San José, San José Province
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Boise and San José, San José Province?
What is the cheapest month to fly to San José, San José Province?
The month of August is, on average, the cheapest month to fly to San José, San José Province from Boise, with most prices found around $359. If you’re not able to fly to San José, San José Province in August, then September is your next best option. Flight prices from Boise to San José, San José Province during September average around $410.
What is the cheapest day to depart on your flight to San José, San José Province?
The cheapest day to depart from Boise to San José, San José Province is on a Sunday when prices can be found for as low as $605. The most expensive day to fly to San José, San José Province is Friday, with ticket prices averaging around $765.
What is the cheapest time of day to depart on your flight to San José, San José Province?
In the evening is the cheapest time of day to fly from Boise to San José, San José Province when you can find flight prices for as low as $581. Flying to San José, San José Province in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $723 per ticket.
How far in advance should I book a flight to San José, San José Province?
You are more likely to see cheaper flights to San José, San José Province from Boise when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $620 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Boise for as low as $525 on momondo.
Can stopping save me money on Boise to San José, San José Province flights?
You could potentially save up to 22% on your flight if you consider stops on a Boise to San José, San José Province flight.
How have Boise to San José, San José Province flight prices changed over time?
As of June 2025, prices for Boise to San José, San José Province flights are approximately 14% more expensive when compared to flights at the same time last year.
When to book flights from Boise to San José, San José Province
Cheap Boise to San José, San José Province (BOI to SJO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boise to San José, San José Province
Best Price Found | $380 |
|---|---|
Fastest flight time | 8h 28m |
Direct flights | None |
Airports in San José, San José Province | 1 airport |
How far is Boise Air Term. Gowen Fld to San José Juan Santamaria Intl by plane?
A flight from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl will travel around 3016.7 mi. In terms of flight time, this usually takes a little over 8h 28m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?
As of June 2025, there are 6 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.
What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?
The necessary travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boise to San José, San José Province?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boise to San José, San José Province is American Airlines (40% of total bookings). The next most popular airlines are United Airlines (24%), Alaska Airlines (19%), and Southwest (9%).
Best airlines flying from Boise to San José, San José Province
Compare and see reviews for airlines that fly from Boise to San José, San José Province with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $418 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $439 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $493 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $559 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $591 | Free Cancellation | Rating 7.5 1,451 reviews |
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boise to San José?
It is quick and easy to find Boise to San José flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San José that suits you.
Can I find flights from Boise to San José with flexible booking policies on momondo?
momondo does allow users to show only those flights to San José from Boise which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Boise to San José?
Once you have performed a search for Boise to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Boise to San José right now. Can momondo alert me if prices change?
Price alerts on flights to San José from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.