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Idaho Falls

$249+ Cheap flights from San Jose, CA to Idaho Falls (SJC - 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from San Jose to Idaho Falls

Cheapest flights from San Jose to Idaho Falls
Explore the most affordable flight options available from San Jose to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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.
Tue 11/115:45 amSJC - IDA
1 stop5h 49mDelta
Fri 11/146:57 pmIDA - SJC
1 stop5h 55mDelta
Deal found 10/16$249
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 11/177:47 pmSJC - IDA
1 stop27h 12mAlaska Airlines
Sun 11/233:14 pmIDA - SJC
1 stop5h 45mAlaska Airlines
Deal found 10/16$359
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 10/296:13 pmSJC - IDA
1 stop4h 46mAlaska Airlines
Sat 11/13:50 pmIDA - SJC
1 stop5h 10mAlaska Airlines
Deal found 10/16$370
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 10/316:13 pmSJC - IDA
1 stop4h 46mAlaska Airlines
Tue 11/43:50 pmIDA - SJC
1 stop5h 10mAlaska Airlines
Deal found 10/15$395
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 12/2510:24 amSJC - IDA
1 stop12h 43mAlaska Airlines
Fri 1/26:00 amIDA - SJC
1 stop18h 59mAlaska Airlines
Deal found 10/16$419
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 10/304:48 pmSJC - IDA
1 stop6h 11mAlaska Airlines
Mon 11/33:50 pmIDA - SJC
1 stop8h 09mAlaska Airlines
Deal found 10/15$420
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/117:55 amSJC - IDA
2 stops15h 04mAlaska Airlines
Fri 11/143:50 pmIDA - SJC
1 stop18h 26mAlaska Airlines
Deal found 10/16$428
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/233:55 pmSJC - IDA
1 stop5h 54mUnited Airlines
Mon 10/272:45 pmIDA - SJC
1 stop7h 08mUnited Airlines
Deal found 10/15$491

Cheap flight deals from San Jose to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

August

Cheapest in

October

Average price

$126
Provider with most accurate pricing for San Jose-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Idaho Falls Fanning Field flights.
Search Deals
From San Jose to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 October 16, 2025.
Use the filters below to find and compare flights from San Jose to Idaho Falls that are best for you.

Fly from

San Jose

Fly to

Idaho Falls

Route

Depart

Return

Price

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 11/11

5:45 am-12:34 pm

1 stop5h 49m

Idaho Falls Fanning Field

Fri 11/14

6:57 pm-11:52 pm

1 stop5h 55m

$249

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 3/10

3:05 pm-10:38 pm

1 stop6h 33m

Idaho Falls Fanning Field

Wed 3/11

4:00 pm-10:03 pm

1 stop7h 03m

$283

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 3/10

7:15 am-10:21 pm

2 stops14h 06m

Idaho Falls Fanning Field

Wed 3/11

6:45 pm-11:59 pm

1 stop6h 14m

$302

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 11/17

7:47 pm-11:59 pm

1 stop27h 12m

Idaho Falls Fanning Field

Sun 11/23

3:14 pm-7:59 pm

1 stop5h 45m

$359

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Wed 10/29

6:13 pm-11:59 pm

1 stop4h 46m

Idaho Falls Fanning Field

Sat 11/1

3:50 pm-8:00 pm

1 stop5h 10m

$370

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 3/10

12:45 pm-10:38 pm

2 stops8h 53m

Idaho Falls Fanning Field

Wed 3/11

4:00 pm-10:09 pm

2 stops7h 09m

$382

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 10/31

6:13 pm-11:59 pm

1 stop4h 46m

Idaho Falls Fanning Field

Tue 11/4

3:50 pm-8:00 pm

1 stop5h 10m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Compare providers for flights from San Jose 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 Jose to Idaho Falls in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Jose, California-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 Jose, California-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-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 Jose, California-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 Jose to Idaho Falls

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

What is the cheapest month to book a flight from San Jose, California to Idaho Falls?

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in January is currently the most expensive (average of $310). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated October 16, 2025.
Get a feel of what it's like to fly with Delta from San Jose to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Jose 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 Jose, California to Idaho Falls?

    A quick flight from San Jose, California to Idaho Falls can take about 5h 49m. Delta provides one of the quickest options available for as low as $249. San Jose, California and Idaho Falls are separated by a distance of 669 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from San Jose, California to Idaho Falls round-trip?

    Currently priced at $240, Delta will fly you from San Jose, California to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. This flight start at 44% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from San Jose 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 Jose to Idaho Falls.

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

    Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Idaho Falls?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in January is currently the most expensive (average of $310). 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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Top airline flying from San Jose to Idaho Falls

Discover the top airline that operate flights from San Jose to Idaho Falls. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$344FlexibilityNo cancel feeOn-timeN/A

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