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$163+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
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 August 28, 2025.

Round-trip from

$225
(Kiwi.com)

One-way from

$163
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$339
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. 19% potential increase in price ($90 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 August 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 August 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:57 pmIDA - SJC
1 stop9h 21mMultiple Airlines
Mon 10/135:55 amSJC - IDA
1 stop5h 54mMultiple Airlines
Deal found 8/27$225
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:55 pmIDA - SJC
1 stop12h 50mMultiple Airlines
Fri 10/36:35 amSJC - IDA
1 stop8h 39mMultiple Airlines
Deal found 8/27$270
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/114:15 pmIDA - SJC
1 stop6h 03mUnited Airlines
Mon 9/153:45 pmSJC - IDA
1 stop6h 03mUnited Airlines
Deal found 8/27$301
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:57 pmIDA - SJC
1 stop5h 55mDelta
Fri 11/147:30 pmSJC - IDA
2 stops26h 03mDelta
Deal found 8/26$322
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:50 pmIDA - SJC
1 stop5h 10mAlaska Airlines
Fri 11/147:47 pmSJC - IDA
1 stop27h 12mAlaska Airlines
Deal found 8/26$331
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 9/263:57 pmIDA - SJC
1 stop28h 03mAlaska Airlines
Mon 10/63:44 pmSJC - IDA
1 stop5h 54mAlaska Airlines
Deal found 8/28$362
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/124:15 pmIDA - SJC
1 stop6h 03mUnited Airlines
Tue 9/168:45 amSJC - IDA
1 stop5h 26mUnited Airlines
Deal found 8/28$371
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 9/273:57 pmIDA - SJC
1 stop6h 02mAlaska Airlines
Mon 10/66:15 amSJC - IDA
2 stops15h 23mAlaska Airlines
Deal found 8/28$395
This Delta deal was found by Cheapflights users on 8/28. 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.
Fri 9/56:00 amIDA - SJC
1 stop3h 59mDelta
Sun 9/75:55 amSJC - IDA
1 stop3h 44mDelta
Deal found 8/28$401

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 August 28, 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

Fri 10/10

10:57 pm-7:18 am

1 stop9h 21m

San Jose

Mon 10/13

5:55 am-12:49 pm

1 stop5h 54m

$225

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/26

10:55 pm-10:45 am

1 stop12h 50m

San Jose

Fri 10/3

6:35 am-4:14 pm

1 stop8h 39m

$270

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Thu 9/11

4:15 pm-9:18 pm

1 stop6h 03m

San Jose

Mon 9/15

3:45 pm-10:48 pm

1 stop6h 03m

$301

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 11/12

6:57 pm-11:52 pm

1 stop5h 55m

San Jose

Fri 11/14

7:30 pm-10:33 pm

2 stops26h 03m

$322

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 11/12

3:50 pm-8:00 pm

1 stop5h 10m

San Jose

Fri 11/14

7:47 pm-11:59 pm

1 stop27h 12m

$331

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sat 9/27

6:13 am-8:59 pm

1 stop15h 46m

San Jose

Mon 10/6

3:44 pm-10:38 pm

1 stop5h 54m

$362

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/26

3:57 pm-7:00 pm

1 stop28h 03m

San Jose

Mon 10/6

3:44 pm-10:38 pm

1 stop5h 54m

$362

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/12

4:15 pm-9:18 pm

1 stop6h 03m

San Jose

Tue 9/16

8:45 am-3:11 pm

1 stop5h 26m

$371

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sat 9/20

5:00 am-9:51 am

1 stop5h 51m

$163

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 10/10

6:53 pm-11:40 pm

1 stop5h 47m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 16 results
1
2

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 $253). 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 August 28, 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 August 28, 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
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

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 $322, United Airlines can have you in San Jose from Idaho Falls in 5h 55m. 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 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Idaho Falls to San Jose one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $163. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Idaho Falls to San Jose for a low price.

  • 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 $253). 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.

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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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$378FlexibilityNo cancel feeOn-timeN/A

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