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$137+ Cheap flights from Idaho Falls to San Jose (IDA - SJC)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Idaho Falls to San Jose

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

Round-trip from

$260
(Alaska Airlines)

One-way from

$137
(Delta)

Popular in

November

Cheapest in

February

Average price

$282
From Idaho Falls Fanning Field to San Jose
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One-way flight from Idaho Falls Fanning Field to San Jose
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Highest demand for flights based on searches. 18% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 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 Idaho Falls to San Jose

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

This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/286:05 amIDA - SJC
1 stop5h 52mAlaska Airlines
mar. 11/46:13 pmSJC - IDA
1 stop4h 46mAlaska Airlines
Deal found 9/15$260
This Delta deal was found by Cheapflights users on 9/14. 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.
mié. 11/126:57 pmIDA - SJC
1 stop5h 55mDelta
vie. 11/147:30 pmSJC - IDA
2 stops26h 03mDelta
Deal found 9/14$317
This United Airlines deal was found by Cheapflights users on 9/13. 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.
mié. 11/124:15 pmIDA - SJC
1 stop5h 38mUnited Airlines
vie. 11/144:02 pmSJC - IDA
1 stop5h 50mUnited Airlines
Deal found 9/13$362
This Delta deal was found by Cheapflights users on 9/14. 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.
mié. 10/16:51 pmIDA - SJC
1 stop5h 50mDelta
dom. 10/55:55 amSJC - IDA
1 stop15h 30mDelta
Deal found 9/14$444
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:13 amIDA - SJC
1 stop6h 45mMultiple Airlines
lun. 9/226:35 amSJC - IDA
1 stop7h 14mMultiple Airlines
Deal found 9/15$445

Cheapflights Fare Finder

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

Fly from

Idaho Falls

Fly to

San Jose

Route

Depart

Return

Price

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mar. 10/28

6:05 am-10:57 am

1 stop5h 52m

San Jose

mar. 11/4

6:13 pm-11:59 pm

1 stop4h 46m

$260

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mié. 11/12

6:57 pm-11:52 pm

1 stop5h 55m

San Jose

vie. 11/14

7:30 pm-10:33 pm

2 stops26h 03m

$317

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mié. 11/12

4:15 pm-8:53 pm

1 stop5h 38m

San Jose

vie. 11/14

4:02 pm-10:52 pm

1 stop5h 50m

$406

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mié. 10/1

6:51 pm-11:41 pm

1 stop5h 50m

San Jose

dom. 10/5

5:55 am-10:25 pm

1 stop15h 30m

$444

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

sáb. 9/27

6:13 am-11:16 am

1 stop6h 03m

San Jose

lun. 9/29

6:35 am-2:49 pm

1 stop7h 14m

$456

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mar. 9/30

5:00 am-9:52 am

1 stop5h 52m

San Jose

dom. 10/5

3:55 pm-10:49 pm

1 stop5h 54m

$481

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

sáb. 10/11

6:53 pm-9:31 pm

1 stop3h 38m

$137

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

sáb. 10/11

6:00 am-10:13 am

2 stops29h 13m

$270

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

mar. 10/14

6:00 am-9:23 am

1 stop28h 23m

$278

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

sáb. 10/11

4:15 pm-5:48 pm

3 stops50h 33m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 11 results
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Best time to book a flight from Idaho Falls to San Jose

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to San Jose (average of $255). Flying from Idaho Falls to San Jose in June is currently the most expensive (average of $359). 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 IDA to SJC?

Find hourly flight availability from Idaho Falls to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from Idaho Falls to San Jose, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight at noon.

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated septiembre 16, 2025.
See what other customers who have flown with Delta from Idaho Falls to San Jose have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    For as low as $260, Alaska Airlines can have you in San Jose from Idaho Falls in 5h 52m. The distance between Idaho Falls and San Jose is about 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 Idaho Falls to San Jose round-trip?

    Cheapflights users have booked flights from Idaho Falls to San Jose round-trip from $220. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to San Jose (average of $255). Flying from Idaho Falls to San Jose in June is currently the most expensive (average of $359). 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 Idaho Falls to San Jose

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Top airline flying from Idaho Falls to San Jose

Discover the top airline that operate flights from Idaho Falls to San Jose. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$386FlexibilityNo cancel feeOn-timeN/A

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