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San José

$140+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$362
(Alaska Airlines)

One-way from

$140
(Delta)

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. 4% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 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 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 5/146:30 amBOI - SJO
2 stops17h 22mAlaska Airlines
Tue 5/201:06 amSJO - BOI
2 stops22h 53mAlaska Airlines
Deal found 3/30$347
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/301:23 pmBOI - SJO
1 stop8h 41mAmerican Airlines
Tue 5/1311:59 pmSJO - BOI
1 stop22h 01mAmerican Airlines
Deal found 3/30$373
This Delta deal was found by Cheapflights users on 3/31. 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.
Sat 5/311:25 amBOI - SJO
2 stops18h 45mDelta
Sat 5/107:25 amSJO - BOI
2 stops16h 47mDelta
Deal found 3/31$420
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/142:00 pmBOI - SJO
2 stops29h 37mUnited Airlines
Wed 5/211:30 pmSJO - BOI
2 stops27h 07mUnited Airlines
Deal found 3/30$422
This American Airlines deal was found by Cheapflights users on 4/1. 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 8/147:44 pmGEG - SJO
2 stops16h 36mMultiple Airlines
Thu 8/212:45 pmSJO - GEG
2 stops21h 51mMultiple Airlines
Deal found 4/1$437
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 5/97:00 amGEG - SJO
2 stops15h 52mAlaska Airlines
Thu 5/151:06 amSJO - GEG
2 stops21h 05mAlaska Airlines
Deal found 4/1$453
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 7/41:51 pmGEG - SJO
2 stops22h 03mAmerican Airlines
Tue 7/226:18 amSJO - GEG
2 stops17h 59mAmerican Airlines
Deal found 3/31$483
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/93:25 pmGEG - SJO
2 stops20h 01mUnited Airlines
Fri 5/161:30 pmSJO - GEG
2 stops32h 20mUnited Airlines
Deal found 4/1$485
This Orbitz deal was found by Cheapflights users on 3/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/281:52 pmBOI - SJO
2 stops21h 26mMultiple Airlines
Sun 5/41:12 amSJO - BOI
2 stops16h 49mMultiple Airlines
Deal found 3/29$526
This Southwest deal was found by Cheapflights users on 3/30. 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.
Wed 11/58:05 amBOI - SJO
2 stops11h 25mSouthwest
Wed 11/129:00 amSJO - BOI
2 stops15h 10mSouthwest
Deal found 3/30$542
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/111:52 pmBOI - SJO
3 stops45h 26mSpirit Airlines
Thu 4/1712:23 pmSJO - BOI
3 stops24h 34mSpirit Airlines
Deal found 3/31$562
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 4/1812:53 pmJAC - SJO
2 stops23h 52mAmerican Airlines
Sun 4/272:10 pmSJO - JAC
2 stops22h 03mAmerican Airlines
Deal found 4/1$631

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 1, 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 5/14

6:30 am-11:52 pm

2 stops17h 22m

San José Juan Santamaria Intl

Tue 5/20

1:06 am-11:59 pm

2 stops22h 53m

$347

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 4/30

1:23 pm-10:04 pm

1 stop8h 41m

San José Juan Santamaria Intl

Tue 5/13

11:59 pm-10:00 pm

1 stop22h 01m

$373

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 5/3

11:25 am-6:10 am

2 stops18h 45m

San José Juan Santamaria Intl

Sat 5/10

7:25 am-12:12 am

2 stops16h 47m

$420

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 5/14

2:00 pm-7:37 pm

2 stops29h 37m

San José Juan Santamaria Intl

Wed 5/21

1:30 pm-4:37 pm

2 stops27h 07m

$422

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Thu 8/14

7:44 pm-1:20 pm

2 stops16h 36m

San José Juan Santamaria Intl

Thu 8/21

2:45 pm-11:36 am

2 stops21h 51m

$437

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 5/9

7:00 am-11:52 pm

2 stops15h 52m

San José Juan Santamaria Intl

Thu 5/15

1:06 am-9:11 pm

2 stops21h 05m

$453

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 7/4

1:51 pm-12:54 pm

2 stops22h 03m

San José Juan Santamaria Intl

Tue 7/22

6:18 am-11:17 pm

2 stops17h 59m

$483

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 5/9

3:25 pm-12:26 pm

2 stops20h 01m

San José Juan Santamaria Intl

Fri 5/16

1:30 pm-8:50 pm

2 stops32h 20m

$485

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 4/28

1:52 pm-11:18 am

2 stops21h 26m

San José Juan Santamaria Intl

Sun 5/4

1:12 am-6:01 pm

2 stops16h 49m

$526

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 4/11

1:52 pm-11:18 am

3 stops45h 26m

San José Juan Santamaria Intl

Thu 4/17

12:23 pm-12:57 pm

3 stops24h 34m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 28 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 1, 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 1, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines 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
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
Spirit Airlines
6.3
Okay
7,885 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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 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 Delta, which is currently one of the cheapest options available, starting at $140. American Airlines flights start at $190 while deals on United Airlines start at $298 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, Jackson Hole - San José Juan Santamaria Intl or Spokane - 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
Manuel Antonio
Heredia
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.
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Denver to San José flights
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O'Hare Intl to Liberia flights
Dallas/Fort Worth to Liberia flights
Philadelphia to San José flights
Boston to Liberia flights
Hobby to Liberia flights
Atlanta to Liberia flights
Charlotte to San José flights
Burbank to San José flights
Dulles Intl to Liberia flights
San Francisco to Liberia flights
Oakland to San José flights
Sky Harbor Intl to San José flights
George Bush Intcntl to Liberia flights
Miami to Liberia flights
Seattle to Liberia flights
Minneapolis to San José flights
Raleigh to San José flights
Salt Lake City to San José flights
Reagan-National to Liberia flights
Portland to San José flights
Austin to Liberia flights
Charlotte to Liberia flights
Columbus to San José flights
Baltimore to Liberia flights
Austin to San José flights

Top 6 airlines flying from Idaho to San José

Discover the top 6 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$269Average$359FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$439Average$718FlexibilityNo cancel feeOn-time71%
DeltaCheapest$470Average$606FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$471Average$692FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$480Average$687FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$559Average$723FlexibilityNo cancel feeOn-time63%
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