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San José

$197+ Cheap flights from Idaho 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Idaho to San José

Keep the following information in mind while searching for Idaho to San José flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$350
(Alaska Airlines)

One-way from

$197
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$609
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San José Juan Santamaria Intl flights.
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From Idaho to San José Juan Santamaria Intl
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One-way flight from Idaho to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Idaho to San José

Cheapest flights from Idaho to San José
Explore the most affordable flight options available from Idaho to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/288:59 pmBOI - SJO
2 stops26h 47mAlaska Airlines
Tue 6/31:06 amSJO - BOI
2 stops21h 36mAlaska Airlines
Deal found 4/29$350
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 8/146:00 amGEG - SJO
1 stop11h 15mAmerican Airlines
Thu 8/217:25 amSJO - GEG
1 stop16h 11mAmerican Airlines
Deal found 4/28$376
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/282:31 pmBOI - SJO
1 stop16h 44mUnited Airlines
Wed 6/48:45 amSJO - BOI
1 stop31h 56mUnited Airlines
Deal found 4/29$412
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/297:50 amJAC - SJO
1 stop23h 25mUnited Airlines
Tue 8/55:30 amSJO - JAC
2 stops32h 18mUnited Airlines
Deal found 4/28$429
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 8/146:00 amGEG - SJO
1 stop11h 15mMultiple Airlines
Thu 8/217:25 amSJO - GEG
2 stops12h 25mMultiple Airlines
Deal found 4/28$437
This Delta deal was found by Cheapflights users on 4/29. 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 6/1311:40 pmBOI - SJO
1 stop13h 25mDelta
Sat 6/217:25 amSJO - BOI
2 stops16h 34mDelta
Deal found 4/29$455
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 7/45:30 amGEG - SJO
2 stops27h 41mUnited Airlines
Tue 7/225:30 amSJO - GEG
2 stops18h 38mUnited Airlines
Deal found 4/28$470
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/317:00 amSUN - SJO
2 stops27h 11mUnited Airlines
Sun 8/106:00 amSJO - SUN
1 stop16h 15mUnited Airlines
Deal found 4/29$470
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/146:52 amBOI - SJO
2 stops15h 25mAmerican Airlines
Tue 8/127:25 amSJO - BOI
2 stops12h 44mAmerican Airlines
Deal found 4/29$482
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 7/46:00 amGEG - SJO
2 stops16h 30mAlaska Airlines
Mon 7/2112:50 amSJO - GEG
2 stops17h 23mAlaska Airlines
Deal found 4/28$508
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/712:46 pmJAC - SJO
1 stop9h 31mAmerican Airlines
Wed 5/142:10 pmSJO - JAC
2 stops21h 56mAmerican Airlines
Deal found 4/29$553
This Travelocity deal was found by Cheapflights users on 4/29. 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.
Sat 5/178:50 amBOI - SJO
3 stops14h 25mMultiple Airlines
Tue 5/201:06 amSJO - BOI
2 stops22h 53mMultiple Airlines
Deal found 4/29$648

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho 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 April 30, 2025.
Use the filters below to find and compare flights from Idaho to San José that are best for you.

Fly from

Idaho

Fly to

San José

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 5/28

8:59 pm-11:46 pm

2 stops26h 47m

San José Juan Santamaria Intl

Tue 6/3

1:06 am-10:42 pm

2 stops21h 36m

$350

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 5/28

2:31 pm-7:15 am

1 stop16h 44m

San José Juan Santamaria Intl

Wed 6/4

8:45 am-4:41 pm

1 stop31h 56m

$412

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Tue 7/29

7:50 am-7:15 am

1 stop23h 25m

San José Juan Santamaria Intl

Tue 8/5

5:30 am-1:48 pm

2 stops32h 18m

$429

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 6/13

11:40 pm-1:05 pm

1 stop13h 25m

San José Juan Santamaria Intl

Sat 6/21

7:25 am-11:59 pm

2 stops16h 34m

$455

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 7/4

5:30 am-10:11 am

2 stops27h 41m

San José Juan Santamaria Intl

Tue 7/22

5:30 am-11:08 pm

2 stops18h 38m

$470

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Thu 7/31

7:00 am-10:11 am

2 stops27h 11m

San José Juan Santamaria Intl

Sun 8/10

6:00 am-10:15 pm

1 stop16h 15m

$470

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 5/14

6:52 am-10:17 pm

2 stops15h 25m

San José Juan Santamaria Intl

Tue 8/12

7:25 am-8:09 pm

2 stops12h 44m

$482

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 7/4

6:00 am-11:30 pm

2 stops16h 30m

San José Juan Santamaria Intl

Mon 7/21

12:50 am-5:47 pm

1 stop17h 57m

$508

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 7/4

12:35 pm-1:13 pm

1 stop23h 38m

San José Juan Santamaria Intl

Tue 7/22

11:59 pm-11:28 pm

1 stop24h 29m

$628

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 5/17

8:50 am-11:15 pm

3 stops14h 25m

San José Juan Santamaria Intl

Tue 5/20

1:06 am-11:59 pm

2 stops22h 53m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 22 results
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Best time to book a flight from Idaho to San José

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to San José, San José Province (average of $398). Flying from Idaho 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 ID to SJO?

Find hourly flight availability from Idaho 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 April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San José, San José Province as you normally would.

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 April 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Idaho 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
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,411 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 airport do you fly into for flights to San José from Idaho?

    If you book a flight to San José from Idaho, you will be flying to Juan Santamaria Intl, which is the city’s only airport. San José Juan Santamaria Intl (SJO) is located 8.8 mi from the center of San José.

  • What are the cheapest airlines to fly from Idaho to San José, San José Province one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $197. Delta flights start at $236 while deals on United Airlines start at $311 one-way.

  • What are the most popular routes from Idaho to San José, San José Province?

    Most travelers choose Boise Air Term. Gowen Fld - San José Juan Santamaria Intl, Spokane - San José Juan Santamaria Intl or Idaho Falls Fanning Field - San José Juan Santamaria Intl when deciding on the best route from Idaho to San José, San José Province.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to San José, San José Province?

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

Book flights to Idaho if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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Alternative routes for Idaho to San José

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San José flights
John F Kennedy Intl to San José flights
Los Angeles to San José flights
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San Francisco to San José flights
Newark to Liberia flights
Hobby to San José flights
Dallas/Fort Worth to San José flights
John F Kennedy Intl to Liberia flights
Los Angeles to Liberia flights
Atlanta to San José flights
George Bush Intcntl to San José flights
Miami to San José flights
Dulles Intl to San José flights
Fort Lauderdale to San José flights
LaGuardia to Liberia flights
Boston to San José flights
Orlando to San José flights
O'Hare Intl to San José flights
Denver to Liberia flights
Reagan-National to San José flights
Dallas/Fort Worth to Liberia flights
Baltimore to San José flights
Ontario to San José flights
Denver to San José flights
Seattle to San José flights
Hobby to Liberia flights
Raleigh to San José flights
Charlotte to San José flights
Austin to San José flights
George Bush Intcntl to Liberia flights
Dulles Intl to Liberia flights
Miami to Liberia flights
Philadelphia to San José flights
O'Hare Intl to Liberia flights
Boston to Liberia flights
Seattle to Liberia flights
Charlotte to Liberia flights
San Francisco to Liberia flights
Oakland to San José flights
Minneapolis to Liberia flights
Atlanta to Liberia flights
Reagan-National to Liberia flights
Burbank to San José flights
Love Field to San José flights
Tampa to San José flights
Detroit to San José flights
Minneapolis to San José flights
Sky Harbor Intl to San José flights
Salt Lake City to San José flights

Top 5 airlines flying from Idaho to San José

Discover the top 5 airlines that operate flights from Idaho 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$591FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$766FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$471Average$659FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$493Average$693FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$559Average$723FlexibilityNo cancel feeOn-time63%

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