What is the cheapest airline that flies from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl?

American Airlines and United Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl

Which layover airport has the shortest travel time from Boise to San José?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 8h 26m.

Which airport is the most popular layover for flights between Boise and San José?

Los Angeles (LAX) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Boise to San José?

San Francisco (SFO) has the shortest average layover time for this route: 2h 49m.

What airlines fly to San José?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to San José from Boise according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 5 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Boise to San José?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $470.

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 August 2026, there are 5 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.

$206 Cheap Flights from Boise to San José in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to San José

Round-trip

One-way

Last minute

Cheap round-trip flights

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8:18 am - 11:15 pm

BOI

SJO

13h 57m

2 stops

3:05 pm - 1:44 pm

SJO

BOI

23h 39m

2 stops

$443Multiple Airlines

Thu, Jan 14 - Sun, Jan 24

6:51 pm - 11:15 pm

BOI

SJO

27h 24m

2 stops

3:05 pm - 10:55 pm

SJO

BOI

32h 50m

2 stops

$443Multiple Airlines

Wed, Jan 13 - Sun, Jan 24

3:21 pm - 12:59 pm

BOI

SJO

21h 38m

2 stops

1:00 pm - 10:27 pm

SJO

BOI

9h 27m

1 stop

$478American Airlines

Mon, Sep 14 - Mon, Sep 21

7:05 pm - 7:15 am

BOI

SJO

12h 10m

1 stop

8:45 am - 9:31 pm

SJO

BOI

12h 46m

1 stop

$500United Airlines

Thu, Sep 10 - Mon, Sep 21

6:55 pm - 8:32 am

BOI

SJO

12h 37m

1 stop

8:45 am - 9:16 pm

SJO

BOI

13h 31m

2 stops

$505United Airlines

Mon, Jan 25 - Tue, Feb 2

2:41 pm - 1:01 pm

BOI

SJO

21h 20m

2 stops

2:46 pm - 11:29 am

SJO

BOI

21h 43m

1 stop

$516American Airlines

Mon, Nov 2 - Sat, Nov 7

5:55 pm - 10:15 pm

BOI

SJO

27h 20m

2 stops

2:30 pm - 10:54 pm

SJO

BOI

33h 24m

2 stops

$563Delta

Wed, Dec 2 - Sun, Dec 6

7:17 pm - 10:15 pm

BOI

SJO

25h 58m

2 stops

7:00 am - 11:33 am

SJO

BOI

29h 33m

2 stops

$563Delta

Thu, Dec 3 - Mon, Dec 7

8:18 am - 11:57 pm

BOI

SJO

14h 39m

1 stop

1:45 am - 10:55 pm

SJO

BOI

22h 10m

1 stop

$675Alaska Airlines

Thu, Jan 28 - Wed, Feb 3

8:07 am - 12:40 am

BOI

SJO

15h 33m

2 stops

1:46 am - 12:11 am

SJO

BOI

23h 25m

2 stops

$704Alaska Airlines

Mon, Nov 30 - Tue, Dec 8

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Delta flights from Boise to San José

Our best Delta deals on Boise to San José flight tickets

Delta

Dec 2

BOI5:55 pmBoise Air Term. Gowen Fld

27h 20m

2 stops

SJO10:15 pmSan José Juan Santamaria Intl

Dec 11

SJO7:00 amSan José Juan Santamaria Intl

16h 54m

2 stops

BOI10:54 pmBoise Air Term. Gowen Fld

$563

Delta

Dec 1

BOI5:55 pmBoise Air Term. Gowen Fld

18h 10m

2 stops

SJO1:05 pmSan José Juan Santamaria Intl

Dec 6

SJO7:00 amSan José Juan Santamaria Intl

17h 50m

2 stops

BOI11:50 pmBoise Air Term. Gowen Fld

$604

United Airlines flights from Boise to San José

Our best United Airlines deals on Boise to San José flight tickets

United Airlines

Sep 10

BOI7:05 pmBoise Air Term. Gowen Fld

12h 10m

1 stop

SJO7:15 amSan José Juan Santamaria Intl

Sep 21

SJO8:45 amSan José Juan Santamaria Intl

12h 46m

1 stop

BOI9:31 pmBoise Air Term. Gowen Fld

$500

United Airlines

Sep 10

BOI6:30 amBoise Air Term. Gowen Fld

13h 07m

2 stops

SJO7:37 pmSan José Juan Santamaria Intl

Sep 21

SJO8:45 amSan José Juan Santamaria Intl

12h 46m

1 stop

BOI9:31 pmBoise Air Term. Gowen Fld

$505

United Airlines

Nov 1

BOI7:10 pmBoise Air Term. Gowen Fld

12h 22m

1 stop

SJO8:32 amSan José Juan Santamaria Intl

Nov 7

SJO7:30 amSan José Juan Santamaria Intl

15h 02m

1 stop

BOI9:32 pmBoise Air Term. Gowen Fld

$509

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/14

8:18 am-11:15 pm

2 stops13h 57m

San José Juan Santamaria Intl

Sun 1/24

3:05 pm-1:44 pm

2 stops23h 39m

$443

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 1/13

6:51 pm-11:15 pm

2 stops27h 24m

San José Juan Santamaria Intl

Sun 1/24

3:05 pm-10:55 pm

2 stops32h 50m

$443

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 9/14

3:21 pm-12:59 pm

2 stops21h 38m

San José Juan Santamaria Intl

Mon 9/21

1:00 pm-10:27 pm

1 stop9h 27m

$478

Quickest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 9/10

7:05 pm-7:15 am

1 stop12h 10m

San José Juan Santamaria Intl

Mon 9/21

8:45 am-9:31 pm

1 stop12h 46m

$500

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 1/25

6:55 pm-8:32 am

1 stop12h 37m

San José Juan Santamaria Intl

Tue 2/2

8:45 am-9:16 pm

2 stops13h 31m

$505

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 11/2

2:41 pm-1:01 pm

2 stops21h 20m

San José Juan Santamaria Intl

Sat 11/7

2:46 pm-11:29 am

1 stop21h 43m

$516

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 12/2

5:55 pm-10:15 pm

2 stops27h 20m

San José Juan Santamaria Intl

Sun 12/6

2:30 pm-10:54 pm

2 stops33h 24m

$563

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 12/3

7:17 pm-10:15 pm

2 stops25h 58m

San José Juan Santamaria Intl

Mon 12/7

7:00 am-11:33 am

2 stops29h 33m

$563

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/28

8:18 am-11:57 pm

1 stop14h 39m

San José Juan Santamaria Intl

Wed 2/3

1:45 am-10:55 pm

1 stop22h 10m

$675

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 11/30

8:07 am-12:40 am

2 stops15h 33m

San José Juan Santamaria Intl

Tue 12/8

1:46 am-12:11 am

2 stops23h 25m

$704

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boise to San José

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

Prices

Airlines

Layovers

What is the cheapest month to fly to San José?

In general, January is the cheapest month to fly from Boise to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $330. If you don’t want to visit San José in January, then you should wait until October to fly from Boise, when ticket prices are also cheap, with an average price of $435.

How far in advance should I book a flight from Boise to San José?

You are more likely to see cheaper flights to San José from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $578 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Boise for as low as $432 on momondo.

Can stopping save me money on Boise to San José flights?

You could potentially save up to 52% on your flight if you consider stops on a Boise to San José flight.

How have Boise to San José flight prices changed over time?

When to book flights from Boise to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to San José according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to San José (BOI to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to San José

Fastest flight time	13h 57m
Direct flights	None

The fastest flight from Boise to San José takes 13h 57m

There are no direct flights from Boise to San José. There are no popular flight routes from Boise to San José.

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Frequently asked questions about flying from Boise to San José

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 13h 57m.
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 August 2026, there are 5 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boise to San José is United Airlines (44% of total bookings). The next most popular airlines are American Airlines (28%), Southwest (15%), and Alaska Airlines (7%).

Best airlines flying from Boise to San José

Compare and see reviews for airlines that fly from Boise to San José with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $141	Free Cancellation	Rating 7.8 8,492 reviews	Search Delta flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights
United Airlines	PriceFrom $315	Free Cancellation	Rating 7.4 10,062 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $371	Free Cancellation	Rating 7.9 12,746 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 8.0 4,229 reviews	Search Southwest flights

Manuel Antonio

Jacó

Monteverde

Alajuela

Heredia

Santa Elena

San Gerardo de Dota

Dominical

Esterillos Este

Why 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.

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Cheap flights from Boise to San José from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San José departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Boise to San José

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How to get the cheapest flight ticket from Boise to San José

What is the cheapest month to fly to San José?

How far in advance should I book a flight from Boise to San José?

Can stopping save me money on Boise to San José flights?

How have Boise to San José flight prices changed over time?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl?

What airlines fly to San José?

Which airport is the most popular layover for flights between Boise and San José?

Which layover airport offers the lowest fares from Boise to San José?

Which layover airport has the shortest travel time from Boise to San José?

Which layover airport has the shortest connection time from Boise to San José?

When to book flights from Boise to San José

Cheap Boise to San José (BOI to SJO) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Boise to San José

Best airlines flying from Boise to San José

Compare and see reviews for airlines that fly from Boise to San José with momondo

Traveling to a place near San José?

Why use momondo?

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in San José. Availability may vary depending on flight origin and airline.

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