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Idaho

$176+ Cheap flights from San José (SJO) to Idaho

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San José to Idaho

Keep the following information in mind while searching for San José to Idaho flight deals. Data was last updated September 11, 2025.

Round-trip from

$282
(United Airlines)

One-way from

$176
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$553
From San José Juan Santamaria Intl to Idaho
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One-way flight from San José Juan Santamaria Intl to Idaho
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Highest demand for flights based on searches. 17% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San José to Idaho

Cheapest flights from San José to Idaho
Explore the most affordable flight options available from San José to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 9/267:55 amSJO - GEG
2 stops16h 20mUnited Airlines
Mon 9/294:00 pmGEG - SJO
2 stops19h 26mUnited Airlines
Deal found 9/9$295
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/17:27 amSJO - GEG
1 stop12h 12mAmerican Airlines
Sat 10/2512:33 pmGEG - SJO
2 stops22h 32mAmerican Airlines
Deal found 9/9$301
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/17:27 amSJO - GEG
1 stop12h 12mAmerican Airlines
Wed 11/55:25 amGEG - SJO
1 stop13h 52mAmerican Airlines
Deal found 9/9$331
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/237:55 amSJO - IDA
2 stops25h 53mUnited Airlines
Mon 11/104:15 pmIDA - SJO
2 stops18h 10mUnited Airlines
Deal found 9/10$345
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/18:37 amSJO - GEG
1 stop15h 38mUnited Airlines
Wed 11/51:47 pmGEG - SJO
2 stops19h 38mUnited Airlines
Deal found 9/9$398
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/287:45 amSJO - IDA
2 stops26h 03mUnited Airlines
Fri 10/312:45 pmIDA - SJO
2 stops19h 40mUnited Airlines
Deal found 9/8$421
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/17:55 amSJO - GEG
2 stops13h 29mUnited Airlines
Sat 10/1112:35 pmGEG - SJO
2 stops46h 51mUnited Airlines
Deal found 9/11$429
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/236:00 amSJO - IDA
1 stop30h 25mAmerican Airlines
Mon 11/101:58 pmIDA - SJO
2 stops21h 21mAmerican Airlines
Deal found 9/10$463
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/271:11 amSJO - IDA
2 stops38h 02mAlaska Airlines
Fri 10/313:50 pmIDA - SJO
2 stops32h 01mAlaska Airlines
Deal found 9/10$486
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/98:37 amSJO - GEG
1 stop15h 38mUnited Airlines
Mon 10/1312:35 pmGEG - SJO
2 stops46h 51mUnited Airlines
Deal found 9/9$521
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/286:44 amSJO - IDA
1 stop15h 04mAmerican Airlines
Fri 10/3112:55 pmIDA - SJO
1 stop29h 21mAmerican Airlines
Deal found 9/10$533
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/197:55 amSJO - IDA
2 stops33h 28mUnited Airlines
Tue 9/302:35 pmIDA - SJO
2 stops29h 02mUnited Airlines
Deal found 9/10$659

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Idaho 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 September 11, 2025.
Use the filters below to find and compare flights from San José to Idaho that are best for you.

Fly from

San José

Fly to

Idaho

Route

Depart

Return

Price

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Fri 9/26

7:55 am-10:39 am

2 stops27h 44m

Spokane

Mon 9/29

7:15 am-12:26 pm

2 stops28h 11m

$295

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 10/1

7:27 am-6:39 pm

1 stop12h 12m

Spokane

Sat 10/25

12:33 pm-12:05 pm

2 stops22h 32m

$301

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Thu 10/23

7:55 am-9:48 am

2 stops25h 53m

Idaho Falls Fanning Field

Mon 11/10

4:15 pm-11:25 am

2 stops18h 10m

$345

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 10/1

7:55 am-11:15 pm

2 stops16h 20m

Spokane

Wed 11/5

1:47 pm-11:25 am

2 stops19h 38m

$398

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 10/1

8:37 am-11:15 pm

1 stop15h 38m

Spokane

Sat 10/11

12:35 pm-12:26 pm

2 stops46h 51m

$398

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 10/28

7:45 am-9:48 am

2 stops26h 03m

Idaho Falls Fanning Field

Fri 10/31

2:45 pm-10:25 am

2 stops19h 40m

$421

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 10/27

1:11 am-11:59 pm

2 stops22h 48m

Idaho Falls Fanning Field

Fri 10/31

3:50 pm-11:51 pm

2 stops32h 01m

$486

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 10/28

6:44 am-12:25 pm

1 stop29h 41m

Idaho Falls Fanning Field

Fri 10/31

12:55 pm-6:16 pm

1 stop29h 21m

$533

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Fri 9/19

7:55 am-5:23 pm

2 stops33h 28m

Idaho Falls Fanning Field

Tue 9/30

2:35 pm-7:37 pm

2 stops29h 02m

$659

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Mon 10/13

8:37 am-10:39 am

1 stop27h 02m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from San José to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho (average of $314). Flying from San José, San José Province to Idaho in June is currently the most expensive (average of $398). 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 SJO to ID?

Find hourly flight availability from San José to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San José, San José Province to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines from San José to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from San José to Idaho. 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 from for flights from San José to Idaho?

    Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Idaho. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How long is the flight from San José, San José Province to Idaho?

    Airlines like United Airlines, American Airlines, and Alaska Airlines fly from San José, San José Province to Idaho in about 12h 12m. The time it takes to get you to your destination can typically vary by up to 15h 32m. Airlines will cover a distance of 3240 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho (average of $314). Flying from San José, San José Province to Idaho in June is currently the most expensive (average of $398). 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

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Alternative routes for San José to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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San José to Oakland flights
Liberia to John F Kennedy Intl flights
Liberia to Hobby flights
San José to Detroit flights
San José to Kansas City flights
San José to Santa Ana flights
San José to Honolulu flights
San José to Sacramento flights

Top airline flying from San José to Idaho

Discover the top airline that operate flights from San José to Idaho. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$448FlexibilityNo cancel feeOn-time69%

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