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Idaho Falls

$316+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — IDA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 4/2311:13 am
SJO
-
IDA
2 stops22h 40m
United Airlines
Wed 4/295:20 pm
IDA
-
SJO
2 stops26h 17m
United Airlines
Deal found 1/27$316
This United Airlines deal was found by Cheapflights users on 1/25. 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 4/207:55 am
SJO
-
IDA
2 stops25h 58m
United Airlines
Wed 4/295:20 pm
IDA
-
SJO
2 stops26h 17m
United Airlines
Deal found 1/25$346
This United Airlines deal was found by Cheapflights users on 1/26. 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 1/298:45 am
SJO
-
IDA
2 stops26h 11m
United Airlines
Mon 2/24:19 pm
IDA
-
SJO
2 stops43h 56m
United Airlines
Deal found 1/26$453
This United Airlines deal was found by Cheapflights users on 1/26. 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 9/127:55 am
SJO
-
IDA
2 stops25h 33m
United Airlines
Sat 9/195:57 pm
IDA
-
SJO
2 stops25h 40m
United Airlines
Deal found 1/26$515
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 4/2012:42 pm
SJO
-
IDA
2 stops24h 31m
American Airlines
Wed 4/291:43 pm
IDA
-
SJO
1 stop7h 53m
American Airlines
Deal found 1/25$538
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
SJO
-
IDA
2 stops29h 12m
GOL
Sat 9/197:35 am
IDA
-
SJO
2 stops27h 30m
GOL
Deal found 1/25$634
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 9/127:40 am
SJO
-
IDA
1 stop13h 24m
American Airlines
Sat 9/197:35 am
IDA
-
SJO
2 stops27h 30m
American Airlines
Deal found 1/25$655
This American Airlines deal was found by Cheapflights users on 1/25. 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 9/137:40 am
SJO
-
IDA
1 stop13h 24m
American Airlines
Sat 9/197:35 am
IDA
-
SJO
2 stops27h 30m
American Airlines
Deal found 1/25$660

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(United Airlines)
Provider with most accurate pricing for San José Juan Santamaria Intl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Idaho Falls Fanning Field flights.
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From San José Juan Santamaria Intl to Idaho Falls Fanning Field
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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 January 27, 2026.
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 4/23

11:13 am-9:53 am

2 stops22h 40m

Idaho Falls Fanning Field

Wed 4/29

5:20 pm-7:37 pm

2 stops26h 17m

$316

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 4/25

6:00 am-9:53 am

2 stops27h 53m

Idaho Falls Fanning Field

Wed 4/29

5:20 pm-12:21 pm

2 stops19h 01m

$316

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 4/20

7:55 am-9:53 am

2 stops25h 58m

Idaho Falls Fanning Field

Wed 4/29

5:20 pm-7:37 pm

2 stops26h 17m

$346

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 4/20

12:42 pm-1:13 pm

2 stops24h 31m

Idaho Falls Fanning Field

Wed 4/29

1:43 pm-9:36 pm

1 stop7h 53m

$538

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 4/20

2:08 pm-1:13 pm

1 stop23h 05m

Idaho Falls Fanning Field

Wed 4/29

1:43 pm-9:36 pm

1 stop7h 53m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on San José-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 to Idaho Falls?

Currently, November is the cheapest month in which you can book a flight from San José to Idaho Falls (average of $289). Flying from San José to Idaho Falls in June is currently the most expensive (average of $796). 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 to Idaho Falls?

    There are many flights that can get you from San José to Idaho Falls in 22h 40m. Fly via United Airlines to get the fastest option. San José and Idaho Falls are separated by a distance of 2854 mi.

  • 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 to Idaho Falls?

    Currently, November is the cheapest month in which you can book a flight from San José to Idaho Falls (average of $289). Flying from San José to Idaho Falls in June is currently the most expensive (average of $796). 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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