San José

$391+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Jan 26 — Feb 21
We work with more than 300 partners to bring you better travel deals

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.

The best prices from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl are usually found in September or October, booked 29 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Cheap flight deals from Boise to San José

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to San José (SJO). 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(FlightHub)

One-way from

$391
(Expedia)

Popular in

December

Cheapest in

September

Average price

$607
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.
From Boise Air Term. Gowen Fld to San José Juan Santamaria Intl
One-way flight from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl
High demand for flights, 5% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in January 2025

Find 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 January 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:31 pmBOI - SJO
2 stops21h 50mSpirit Airlines
Wed 3/1212:26 pmSJO - BOI
2 stops24h 06mSpirit Airlines
Deal found 1/19$409
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:05 amBOI - SJO
1 stop15h 00mAmerican Airlines
Tue 4/1511:59 pmSJO - BOI
1 stop12h 34mAmerican Airlines
Deal found 1/20$478
This Travelocity deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:15 amBOI - SJO
1 stop14h 44mMultiple Airlines
Tue 3/1112:26 pmSJO - BOI
2 stops24h 06mMultiple Airlines
Deal found 1/20$482
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:30 pmBOI - SJO
1 stop12h 18mDelta
Sat 8/167:26 amSJO - BOI
2 stops16h 38mDelta
Deal found 1/19$492
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:31 pmBOI - SJO
1 stop16h 44mUnited Airlines
Wed 6/118:45 amSJO - BOI
1 stop12h 59mUnited Airlines
Deal found 1/18$544
This Alaska Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:46 pmBOI - SJO
2 stops28h 13mAlaska Airlines
Tue 3/1112:26 amSJO - BOI
2 stops20h 03mAlaska Airlines
Deal found 1/18$568
This Southwest deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:00 amBOI - SJO
2 stops13h 55mSouthwest
Sun 8/1712:35 pmSJO - BOI
2 stops12h 35mSouthwest
Deal found 1/19$589
This Copa Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/252:20 pmBOI - SJO
2 stops18h 41mCopa Airlines
Thu 2/66:06 pmSJO - BOI
2 stops29h 09mCopa Airlines
Deal found 1/19$630

Find flights from Boise to San José within your budget

Customize your flight search to find flights from Boise to San José that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 3/5

1:31 pm-12:21 pm

2 stops21h 50m

San José Juan Santamaria Intl

Wed 3/12

12:26 pm-12:32 pm

2 stops24h 06m

$409

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 4/8

7:05 am-10:05 pm

1 stop15h 00m

San José Juan Santamaria Intl

Tue 4/15

11:59 pm-12:33 pm

1 stop12h 34m

$478

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 3/4

8:15 am-11:59 pm

1 stop14h 44m

San José Juan Santamaria Intl

Tue 3/11

12:26 pm-12:32 pm

2 stops24h 06m

$482

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 5/9

11:00 am-5:56 am

2 stops18h 56m

San José Juan Santamaria Intl

Sat 5/17

7:26 am-12:03 am

2 stops16h 37m

$492

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 6/3

2:31 pm-7:15 am

1 stop16h 44m

San José Juan Santamaria Intl

Wed 6/11

8:45 am-9:44 pm

1 stop12h 59m

$544

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 3/5

6:46 pm-11:59 pm

2 stops28h 13m

San José Juan Santamaria Intl

Tue 3/11

12:26 am-12:31 pm

1 stop12h 05m

$568

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 3/13

6:46 pm-11:20 pm

2 stops28h 34m

$391

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 3/13

8:15 am-10:59 pm

1 stop14h 44m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust 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, San José Province flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San José, San José Province flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-San José, San José Province flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-San José, San José Province flights, Cheapflights users trust FlightHub the most. FlightHub 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, San José Province 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.

Travel insights for flights from Boise to San José

Get recent, data-driven insights about flights from Boise to San José including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to San José. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Boise to San José, San José Province, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Boise to San José, San José Province (average of $398). Flying from Boise to San José, San José Province in March is currently the most expensive (average of $555). 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?

Find hourly flight availability from Boise to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

It’s typically best to fly out from Boise to San José, San José Province in the evening. Doing so could potentially save you 20% 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, San José Province?

Use this chart to determine the cheapest time to fly round-trip from Boise to San José. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to San José, San José Province 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.

Rainfall in San José by month

Plan your trip to San José by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San José, San José Province 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, San José Province when rainfall is around 0.0 in.

Temperature in San José by month

Plan your trip to San José by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San José, San José Province, 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).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Boise to San José, such as American Airlines and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
9,696 reviews
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
8,521 reviews
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.7
Good
1,661 reviews
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.4
Good
8,982 reviews
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.2
Good
10,000 reviews
8.0
Very good
9,696 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
  • What are the cheapest airlines flying from Boise to San José, San José Province round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San José, San José Province, with prices starting at $409. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $478 and $550, respectively. Spirit Airlines is priced at 36% 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, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Boise to San José, San José Province (average of $398). Flying from Boise to San José, San José Province in March is currently the most expensive (average of $555). 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
Manuel Antonio
Heredia
Jacó
Monteverde
Alajuela

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.

Top 6 airlines flying from Boise to San José

Discover the top 6 airlines that operate flights from Boise to San José. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$325Average$382FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$431Average$665FlexibilityNo cancel feeOn-time71%
DeltaCheapest$470Average$609FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$471Average$716FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$471Average$699FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$562Average$691FlexibilityNo cancel feeOn-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.