HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$221+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho 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.

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 junio 12, 2025.

Round-trip from

$380
(American Airlines)

One-way from

$221
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$503
From Idaho to San José Juan Santamaria Intl
Search Deals
One-way flight from Idaho to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 9/15:15 pmBOI - SJO
2 stops18h 40mAmerican Airlines
lun. 9/226:00 amSJO - BOI
2 stops15h 48mAmerican Airlines
Deal found 6/11$380
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 10/82:44 pmBOI - SJO
1 stop16h 31mUnited Airlines
mié. 10/298:40 amSJO - BOI
1 stop14h 48mUnited Airlines
Deal found 6/11$416
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 10/2212:46 pmIDA - SJO
2 stops22h 24mAmerican Airlines
mié. 11/191:55 pmSJO - IDA
2 stops23h 24mAmerican Airlines
Deal found 6/10$420
This United Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 7/41:37 pmGEG - SJO
2 stops21h 18mUnited Airlines
mar. 7/225:30 amSJO - GEG
2 stops16h 33mUnited Airlines
Deal found 6/12$420
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sáb. 9/2012:35 pmGEG - SJO
2 stops21h 37mAmerican Airlines
sáb. 9/277:21 amSJO - GEG
1 stop16h 31mAmerican Airlines
Deal found 6/12$423
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 10/256:50 pmIDA - SJO
2 stops16h 58mDelta
lun. 11/177:00 amSJO - IDA
2 stops16h 20mDelta
Deal found 6/10$430
This United Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 10/205:56 pmIDA - SJO
2 stops18h 30mUnited Airlines
lun. 11/1712:35 pmSJO - IDA
2 stops22h 13mUnited Airlines
Deal found 6/10$457
This Mytrip deal was found by Cheapflights users on 6/11. 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.
dom. 7/279:33 amGEG - SJO
2 stops28h 44mMultiple Airlines
dom. 8/34:13 pmSJO - GEG
2 stops25h 49mMultiple Airlines
Deal found 6/11$457
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
dom. 8/108:18 amBOI - SJO
1 stop15h 12mAlaska Airlines
vie. 8/1512:50 amSJO - BOI
2 stops23h 08mAlaska Airlines
Deal found 6/10$482
This Delta deal was found by Cheapflights users on 6/10. 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.
vie. 6/1311:40 pmBOI - SJO
1 stop13h 25mDelta
sáb. 6/217:25 amSJO - BOI
2 stops16h 34mDelta
Deal found 6/10$496
This Mytrip deal was found by Cheapflights users on 6/10. 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.
vie. 7/117:48 pmBOI - SJO
2 stops15h 23mMultiple Airlines
dom. 7/208:14 amSJO - BOI
2 stops34h 38mMultiple Airlines
Deal found 6/10$545
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 12/106:40 amGEG - SJO
1 stop14h 20mAlaska Airlines
mar. 12/162:26 amSJO - GEG
2 stops31h 34mAlaska Airlines
Deal found 6/11$557

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 junio 12, 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

lun. 9/1

5:15 pm-11:55 am

2 stops18h 40m

San José Juan Santamaria Intl

lun. 9/22

6:00 am-9:48 pm

2 stops15h 48m

$380

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mié. 10/8

2:44 pm-7:15 am

1 stop16h 31m

San José Juan Santamaria Intl

mié. 10/29

8:40 am-11:28 pm

1 stop14h 48m

$416

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

mié. 10/22

12:46 pm-11:10 am

2 stops22h 24m

San José Juan Santamaria Intl

mié. 11/19

1:55 pm-12:19 pm

2 stops23h 24m

$420

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

vie. 7/4

1:37 pm-11:55 am

2 stops21h 18m

San José Juan Santamaria Intl

mar. 7/22

8:45 am-11:08 pm

1 stop15h 23m

$420

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

sáb. 9/20

12:35 pm-11:12 am

2 stops21h 37m

San José Juan Santamaria Intl

sáb. 9/27

7:21 am-10:52 pm

1 stop16h 31m

$423

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

sáb. 10/25

6:50 pm-11:48 am

2 stops16h 58m

San José Juan Santamaria Intl

lun. 11/17

7:00 am-10:20 pm

2 stops16h 20m

$430

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

dom. 7/27

9:33 am-3:17 pm

2 stops28h 44m

San José Juan Santamaria Intl

dom. 8/3

4:13 pm-5:02 pm

2 stops25h 49m

$457

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

lun. 10/20

5:56 pm-12:26 pm

2 stops18h 30m

San José Juan Santamaria Intl

lun. 11/17

12:35 pm-9:48 am

2 stops22h 13m

$457

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

dom. 8/10

8:18 am-11:30 pm

1 stop15h 12m

San José Juan Santamaria Intl

vie. 8/15

12:50 am-11:58 pm

2 stops23h 08m

$482

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

vie. 7/11

7:48 pm-11:11 am

2 stops15h 23m

San José Juan Santamaria Intl

dom. 7/20

8:14 am-6:52 pm

2 stops34h 38m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 results
1
2
3

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 junio 12, 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 junio 12, 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
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 $240. United Airlines flights start at $266 while deals on Alaska Airlines start at $349 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

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 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
Miami to San José flights
San Francisco to San José flights
LaGuardia to San José flights
Dulles Intl to San José flights
Fort Lauderdale to San José flights
Hobby to San José flights
John F Kennedy Intl to Liberia flights
Los Angeles to Liberia flights
Baltimore to San José flights
Dallas/Fort Worth to San José flights
O'Hare Intl to San José flights
Newark to Liberia flights
George Bush Intcntl to San José flights
Atlanta to San José flights
Reagan-National to San José flights
LaGuardia to Liberia flights
Boston to San José flights
Orlando to San José flights
Denver to Liberia flights
Seattle to San José flights
Denver to San José flights
O'Hare Intl to Liberia flights
Dallas/Fort Worth to Liberia flights
Ontario to San José flights
Dulles Intl to Liberia flights
Atlanta to Liberia flights
Charlotte to San José flights
Boston to Liberia flights
Salt Lake City to San José flights
Hobby to Liberia flights
Raleigh to San José flights
Baltimore to Liberia flights
Philadelphia to San José flights
San Francisco to Liberia flights
Reagan-National to Liberia flights
Minneapolis to San José flights
Seattle to Liberia flights
Austin to San José flights
George Bush Intcntl to Liberia flights
Miami to Liberia flights
Love Field to San José flights
Minneapolis to Liberia flights
Oakland to San José flights
Tampa to San José flights
Detroit to San José flights
Sky Harbor Intl to San José flights
San Jose 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$141Average$625FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$418Average$647FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$439Average$688FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$493Average$686FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$559Average$691FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$591Average$1,197FlexibilityNo cancel feeOn-time70%

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.