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San José

$142+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
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 July 18, 2025.

Round-trip from

$316
(United Airlines)

One-way from

$142
(Delta)

Popular in

December

Cheapest in

August

Average price

$679
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. 10% potential increase in price ($70 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 July 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 July 18, 2025.

This United Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 11/35:17 pmBOI - SJO
2 stops18h 58mUnited Airlines
Tue 11/119:40 amSJO - BOI
1 stop10h 14mUnited Airlines
Deal found 7/16$316
This American Airlines deal was found by Cheapflights users on 7/15. 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 10/81:33 pmBOI - SJO
2 stops22h 27mAmerican Airlines
Wed 10/296:44 amSJO - BOI
1 stop15h 31mAmerican Airlines
Deal found 7/15$320
This Delta deal was found by Cheapflights users on 7/15. 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 10/117:15 amBOI - SJO
2 stops28h 33mDelta
Mon 10/201:13 pmSJO - BOI
2 stops33h 51mDelta
Deal found 7/15$330
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sun 11/27:39 pmGEG - SJO
2 stops50h 59mAlaska Airlines
Thu 11/61:58 amSJO - GEG
2 stops23h 01mAlaska Airlines
Deal found 7/15$332
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 10/135:38 pmBOI - SJO
2 stops49h 26mAlaska Airlines
Thu 10/166:30 amSJO - BOI
2 stops40h 35mAlaska Airlines
Deal found 7/15$338
This Delta deal was found by Cheapflights users on 7/15. 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.
Sun 11/21:30 pmGEG - SJO
2 stops21h 18mDelta
Fri 11/72:17 pmSJO - GEG
2 stops21h 02mDelta
Deal found 7/15$413
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 9/277:00 amSUN - SJO
2 stops29h 26mUnited Airlines
Tue 9/307:55 amSJO - SUN
2 stops13h 23mUnited Airlines
Deal found 7/17$440
This Mytrip deal was found by Cheapflights users on 7/17. 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.
Thu 8/146:06 pmBOI - SJO
3 stops21h 07mMultiple Airlines
Thu 8/2112:18 pmSJO - BOI
3 stops28h 53mMultiple Airlines
Deal found 7/17$455
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Sun 11/27:00 amGEG - SJO
1 stop23h 32mUnited Airlines
Fri 11/78:45 amSJO - GEG
2 stops27h 57mUnited Airlines
Deal found 7/15$479
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Sun 11/25:52 amGEG - SJO
1 stop15h 08mAmerican Airlines
Fri 11/76:29 amSJO - GEG
1 stop16h 17mAmerican Airlines
Deal found 7/15$579
This Expedia deal was found by Cheapflights users on 7/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amGEG - SJO
3 stops23h 40mMultiple Airlines
Thu 11/61:58 amSJO - GEG
2 stops23h 01mMultiple Airlines
Deal found 7/15$768
This Delta deal was found by Cheapflights users on 7/15. 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 10/33:22 pmTWF - SJO
2 stops20h 46mDelta
Tue 10/71:13 pmSJO - TWF
2 stops33h 05mDelta
Deal found 7/15$934

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 July 18, 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

Mon 11/3

5:17 pm-1:15 pm

2 stops18h 58m

San José Juan Santamaria Intl

Tue 11/11

9:40 am-6:54 pm

1 stop10h 14m

$316

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 10/8

1:33 pm-12:00 pm

2 stops22h 27m

San José Juan Santamaria Intl

Wed 10/29

6:44 am-10:15 pm

1 stop15h 31m

$320

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 10/11

3:05 pm-11:48 am

2 stops20h 43m

San José Juan Santamaria Intl

Fri 10/17

1:13 pm-2:27 pm

2 stops25h 14m

$330

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 11/2

7:39 pm-12:38 am

2 stops50h 59m

San José Juan Santamaria Intl

Thu 11/6

1:58 am-10:59 pm

2 stops23h 01m

$332

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 10/13

5:38 pm-7:04 pm

2 stops49h 26m

San José Juan Santamaria Intl

Thu 10/16

6:30 am-11:05 pm

2 stops40h 35m

$338

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 11/2

1:30 pm-12:48 pm

2 stops21h 18m

San José Juan Santamaria Intl

Fri 11/7

2:17 pm-9:19 am

2 stops21h 02m

$413

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Sat 9/27

7:00 am-12:26 pm

2 stops29h 26m

San José Juan Santamaria Intl

Tue 9/30

7:55 am-9:18 pm

2 stops13h 23m

$440

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 8/14

6:06 pm-3:13 pm

3 stops21h 07m

San José Juan Santamaria Intl

Thu 8/21

12:18 pm-5:11 pm

3 stops28h 53m

$455

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 11/2

7:00 am-8:32 am

1 stop23h 32m

San José Juan Santamaria Intl

Fri 11/7

8:45 am-10:42 am

2 stops27h 57m

$479

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 11/2

5:52 am-11:00 pm

1 stop15h 08m

San José Juan Santamaria Intl

Fri 11/7

6:29 am-8:46 pm

1 stop16h 17m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 29 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 July 18, 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.

How much does it cost to fly round-trip from Idaho to San José, San José Province?

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 July 18, 2025.
Read through reviews of airlines operating flights from Idaho to San José, such as Alaska Airlines, Delta, and Copa Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Copa Airlines
7.5
Good
1,483 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 $142. United Airlines flights start at $142 while deals on American Airlines start at $148 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 San José?

Book flights to San José 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.
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Fort Lauderdale to San José flights
Raleigh to San José flights
Seattle to San José flights
Minneapolis to Liberia flights
Ontario to San José flights
Salt Lake City to San José flights
Austin to San José flights
Dulles Intl to Liberia flights
San Francisco to Liberia flights
Minneapolis to San José flights
New Orleans to Liberia flights
Boston to Liberia flights
Atlanta to Liberia flights
Charlotte to San José flights
Sky Harbor Intl to San José flights
Dallas/Fort Worth to Liberia flights
Oakland to San José flights
Philadelphia to San José flights
San Diego to San José flights
Baltimore to Liberia flights
Austin to Liberia flights
Midway to San José flights
Reagan-National to Liberia flights
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San Jose 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 July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$436Average$652FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$460Average$706FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$493Average$686FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$557Average$691FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$591Average$1,197FlexibilityNo cancel feeOn-time70%

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