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Idaho Falls

$201+ Cheap flights from San José (SJO) to Idaho Falls (IDA)

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — IDA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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.
Mon 12/222:20 pmSJO - IDA
2 stops20h 38mUnited Airlines
Tue 12/306:40 amIDA - SJO
2 stops38h 52mUnited Airlines
Deal found 12/9$313
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/207:30 amSJO - IDA
1 stop8h 52mUnited Airlines
Sun 12/214:05 pmIDA - SJO
2 stops25h 11mUnited Airlines
Deal found 12/11$563
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/277:30 amSJO - IDA
1 stop16h 29mUnited Airlines
Mon 12/296:40 amIDA - SJO
2 stops36h 59mUnited Airlines
Deal found 12/11$611
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/267:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Sun 1/44:05 pmIDA - SJO
1 stop28h 55mUnited Airlines
Deal found 12/9$694
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/306:30 amSJO - IDA
2 stops32h 00mUnited Airlines
Wed 1/74:19 pmIDA - SJO
2 stops43h 37mUnited Airlines
Deal found 12/10$719
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/267:30 amSJO - IDA
1 stop27h 28mUnited Airlines
Fri 1/25:00 amIDA - SJO
1 stop16h 00mUnited Airlines
Deal found 12/9$779

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(United Airlines)

One-way from

$201
(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
Search Deals
One-way flight 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 December 12, 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

Wed 12/24

2:20 pm-9:58 am

2 stops20h 38m

Idaho Falls Fanning Field

Tue 12/30

6:40 am-10:32 pm

2 stops38h 52m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/22

2:20 pm-9:58 am

2 stops20h 38m

Idaho Falls Fanning Field

Tue 12/30

6:40 am-10:32 pm

2 stops38h 52m

$313

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 5/4

12:20 am-10:35 pm

2 stops22h 15m

Idaho Falls Fanning Field

Wed 5/6

6:15 am-11:42 pm

2 stops17h 27m

$503

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 12/27

7:30 am-10:59 pm

1 stop16h 29m

Idaho Falls Fanning Field

Mon 12/29

6:40 am-8:39 pm

2 stops36h 59m

$611

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/30

7:30 am-9:58 am

1 stop27h 28m

Idaho Falls Fanning Field

Wed 1/7

4:19 pm-12:56 pm

2 stops43h 37m

$719

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sun 12/21

2:20 pm-9:58 am

2 stops20h 38m

$201

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 12/20

12:34 am-10:21 pm

2 stops22h 47m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from San José to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San José-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Idaho Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $286). 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 20h 38m. 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 $286). 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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