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Idaho Falls

$345+ Cheap flights from San José (SJO) to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — IDA
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 Falls

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$345
(United Airlines)
From San José Juan Santamaria Intl to Idaho Falls Fanning Field
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Find flight deals from San José to Idaho Falls

Cheapest flights from San José to Idaho Falls
Explore the most affordable flight options available from San José to Idaho Falls. 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 9/10. 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 9/8. 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 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 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
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.
Tue 9/237:55 amSJO - IDA
2 stops25h 52mUnited Airlines
Tue 9/302:35 pmIDA - SJO
2 stops45h 51mUnited Airlines
Deal found 9/10$733
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.
Sat 9/207:55 amSJO - IDA
2 stops25h 52mUnited Airlines
Tue 9/302:35 pmIDA - SJO
2 stops29h 02mUnited Airlines
Deal found 9/10$785

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Idaho Falls 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 Falls that are best for you.

Fly from

San José

Fly to

Idaho Falls

Route

Depart

Return

Price

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 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

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from San José to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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 Falls

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

Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho Falls (average of $380). Flying from San José, San José Province to Idaho Falls in December is currently the most expensive (average of $578). 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.

Related info for your journey

Find useful and relevant information for your journey from San José to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San José, San José Province to Idaho Falls can take about 22h 48m. United Airlines provides one of the quickest options available for as low as $486. The distance between San José, San José Province and Idaho Falls is about 2854 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 Falls that include hotel bookings?

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

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

    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 Falls.

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

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

    Currently, October is the cheapest month in which you can book a flight from San José, San José Province to Idaho Falls (average of $380). Flying from San José, San José Province to Idaho Falls in December is currently the most expensive (average of $578). 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 Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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