How long is the flight from Boise to San José?

Departing from Boise to San José will take you 17h 27m. The distance from Boise to San José is about 3008 mi.

What are the cheapest airlines flying from Boise to San José round-trip?

According to our current data, Delta ($141), United Airlines ($297), and American Airlines ($317) offers the cheapest pricing from Boise to San José. Delta is priced at 75% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in San José ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José when rainfall is around 0.0 in.

If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

What are the most popular airlines that fly from Boise to San José?

Before booking your flight from Boise to San José check out the most popular airlines for this route: American Airlines, United Airlines or Alaska Airlines.

Most accurate provider : When it comes to deals on Boise-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-San José flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boise-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$167+ Flights from Boise to San José

Q: How much does it cost to fly round-trip from Boise to San José?

Airfare is below average for this route at the moment. Boise to San José flights typically cost between $708 and $1,267 in February. The cheapest round-trip price found within the last 3 days was $302 on American Airlines (Feb 18-Feb 25).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boise to San José with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl are usually found in January or October, booked 17 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from Boise to San José

Cheapest flights from Boise to San José
Explore the most affordable flight options available from Boise to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Wed 12/171:50 pmBOI - SJO

2 stops27h 26mUnited Airlines

Mon 12/2912:35 pmSJO - BOI

2 stops22h 26mUnited Airlines

Deal found 12/10

$729

Sun 12/215:12 pmBOI - SJO

1 stop27h 48mUnited Airlines

Tue 12/306:30 amSJO - BOI

2 stops32h 06mUnited Airlines

Deal found 12/11

$927

Sun 12/217:00 amBOI - SJO

1 stop14h 45mAmerican Airlines

Tue 12/307:00 amSJO - BOI

1 stop16h 59mAmerican Airlines

Deal found 12/11

$948

Sun 12/215:12 pmBOI - SJO

2 stops24h 04mUnited Airlines

Sat 12/277:30 amSJO - BOI

1 stop14h 56mUnited Airlines

Deal found 12/10

$968

Thu 12/257:40 amBOI - SJO

1 stop11h 34mAmerican Airlines

Mon 12/2912:34 amSJO - BOI

1 stop13h 03mAmerican Airlines

Deal found 12/10

$1,008

Mon 12/296:55 pmBOI - SJO

1 stop12h 37mUnited Airlines

Mon 1/57:30 amSJO - BOI

1 stop11h 33mUnited Airlines

Deal found 12/10

$1,087

Best flights from Boise to San José
Discover carefully curated flight deals from Boise to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 3/58:16 amBOI - SJO

2 stops13h 59mMultiple Airlines

Wed 3/113:05 pmSJO - BOI

2 stops21h 39mMultiple Airlines

Deal found 12/11

$363

Thu 3/55:40 amBOI - SJO

2 stops17h 27mAlaska Airlines

Tue 3/101:28 amSJO - BOI

1 stop11h 16mAlaska Airlines

Deal found 12/11

$420

Wed 1/72:37 pmBOI - SJO

2 stops21h 19mUnited Airlines

Wed 1/148:45 amSJO - BOI

2 stops26h 21mUnited Airlines

Deal found 12/10

$526

Sat 1/247:02 pmBOI - SJO

2 stops12h 38mMultiple Airlines

Sat 1/316:00 amSJO - BOI

2 stops18h 02mMultiple Airlines

Deal found 12/9

$380

Sat 1/2410:28 amBOI - SJO

2 stops25h 28mUnited Airlines

Sun 2/16:40 amSJO - BOI

2 stops29h 45mUnited Airlines

Deal found 12/11

$526

Tue 1/65:16 pmBOI - SJO

2 stops42h 40mUnited Airlines

Tue 1/132:20 pmSJO - BOI

2 stops20h 46mUnited Airlines

Deal found 12/10

$541

Last-minute flights from Boise to San José
Discover last-minute flight deals from Boise to San José. Data last updated December 12, 2025 and is based on user searches.

Tue 1/65:16 pmBOI - SJO

2 stops42h 40mUnited Airlines

Tue 1/132:20 pmSJO - BOI

2 stops20h 46mUnited Airlines

Deal found 12/10

$541

Wed 1/72:37 pmBOI - SJO

2 stops21h 19mUnited Airlines

Wed 1/148:45 amSJO - BOI

2 stops26h 21mUnited Airlines

Deal found 12/10

$526

Sat 1/2412:37 pmBOI - SJO

2 stops10h 06mAmerican Airlines

Sun 2/16:38 amSJO - BOI

1 stop13h 47mAmerican Airlines

Deal found 12/11

$341

Sat 1/247:02 pmBOI - SJO

2 stops12h 38mMultiple Airlines

Sat 1/316:00 amSJO - BOI

2 stops18h 02mMultiple Airlines

Deal found 12/9

$380

Sat 1/247:05 pmBOI - SJO

1 stop12h 27mUnited Airlines

Sat 1/316:40 amSJO - BOI

1 stop14h 11mUnited Airlines

Deal found 12/9

$437

One-way flights from Boise to San José
Search for one-way flight options from Boise to San José. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 1/291:58 pmBOI - SJO

1 stop8h 45mAmerican Airlines

Deal found 12/11

$167

Thu 1/292:37 pmBOI - SJO

2 stops21h 19mUnited Airlines

Deal found 12/10

$217

Mon 12/155:50 amBOI - SJO

2 stops15h 30mDelta

Deal found 12/11

$227

Mon 12/152:20 pmBOI - SJO

1 stop17h 12mUnited Airlines

Deal found 12/10

$301

Mon 12/155:25 pmBOI - SJO

2 stops17h 27mAmerican Airlines

Deal found 12/10

$336

Mon 12/1510:41 pmBOI - SJO

3 stops36h 01mMultiple Airlines

Deal found 12/10

$441

Find flight deals from Boise to San José

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$302 (American Airlines)
One-way from	$167 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$968

Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.

Search Deals

From Boise Air Term. Gowen Fld to San José Juan Santamaria Intl

Search Deals

One-way flight from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 3/5

8:16 am-11:15 pm

2 stops13h 59m

San José Juan Santamaria Intl

Wed 3/11

3:05 pm-12:44 pm

2 stops21h 39m

$363

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 1/24

7:02 pm-8:40 am

2 stops12h 38m

San José Juan Santamaria Intl

Sat 1/31

6:00 am-11:02 pm

2 stops18h 02m

$380

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 3/5

5:40 am-12:07 am

2 stops17h 27m

San José Juan Santamaria Intl

Tue 3/10

1:28 am-12:44 pm

1 stop11h 16m

$420

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 1/7

2:37 pm-12:56 pm

2 stops21h 19m

San José Juan Santamaria Intl

Wed 1/14

8:45 am-10:06 am

2 stops26h 21m

$526

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 1/24

10:28 am-12:56 pm

2 stops25h 28m

San José Juan Santamaria Intl

Sun 2/1

6:40 am-11:25 am

2 stops29h 45m

$526

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 1/6

5:16 pm-12:56 pm

2 stops42h 40m

San José Juan Santamaria Intl

Tue 1/13

2:20 pm-10:06 am

2 stops20h 46m

$541

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/29

1:58 pm-11:43 pm

1 stop8h 45m

$167

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/29

7:05 am-11:15 pm

2 stops15h 10m

$217

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 1/29

2:37 pm-12:56 pm

2 stops21h 19m

$217

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 12/15

5:50 am-10:20 pm

2 stops15h 30m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results

Compare providers for flights from Boise to San José

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San José in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boise-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-San José flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boise-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Boise 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 Boise to San José

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

The price you pay for your flight from Boise to San José may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Boise to San José (average of $162). Flying from Boise to San José in December is currently the most expensive (average of $575). 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 BOI to SJO?

It’s typically best to fly out from Boise to San José in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Boise to San José?

Travelers seeking maximum savings on their Boise to San José flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Boise to San José?

Reviews of airlines servicing San José

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,432 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Southwest

7.9

Good

4,253 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Delta

7.9

Good

8,008 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

United Airlines

7.4

Good

9,095 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

American Airlines

7.2

Good

11,050 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

How long is the flight from Boise to San José?
Departing from Boise to San José will take you 17h 27m. The distance from Boise to San José is about 3008 mi.
What are the cheapest airlines flying from Boise to San José round-trip?
According to our current data, Delta ($141), United Airlines ($297), and American Airlines ($317) offers the cheapest pricing from Boise to San José. Delta is priced at 75% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Boise to San José that include hotel bookings?
Yes. In addition to deals on Boise to San José flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to San José?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to San José.
Can I find deals for business class flights from Boise to San José?
Yes. Cheapflights offers flight deals from Boise to San José 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 Boise to San José?
Currently, October is the cheapest month in which you can book a flight from Boise to San José (average of $162). Flying from Boise to San José in December is currently the most expensive (average of $575). 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

Manuel Antonio

Alajuela

Monteverde

Jacó

Heredia

Dominical

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boise to San José

Spokane to San José flights

Boise to Liberia flights

Spokane to Liberia flights

Jackson to San José flights

Jackson to Liberia flights

Idaho Falls to San José flights

Hailey to San José flights

Hailey to Liberia flights

Twin Falls to San José flights

Twin Falls to Liberia flights

Other flights to San José

Top 5 airlines flying from Boise to San José

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$141	Average$815	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$303	Average$568	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$309	Average$566	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$376	Average$682	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$454	Average$752	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$167+ Cheap flights from Boise (BOI) to San José (SJO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to San José with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl are usually found in January or October, booked 17 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from Boise to San José

Cheapest flights from Boise to San JoséExplore the most affordable flight options available from Boise to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Boise to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Boise to San José

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to San José that are best for you.

Compare providers for flights from Boise to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San José in December.

Best time to book a flight from Boise to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Boise with our price prediction graph.

Cheapflights Insights

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

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

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

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

What is the cheapest day to fly from Boise to San José?

How much does it cost to fly round-trip from Boise to San José?

Reviews of airlines servicing San José

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Boise to San José?

What are the cheapest airlines flying from Boise to San José round-trip?

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

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

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

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

Traveling to a place near San José?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to San José

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Boise to San José

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boise to San José
Explore the most affordable flight options available from Boise to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.