How long is the flight from Idaho Falls to San Jose, California?

Airlines like Alaska Airlines fly from Idaho Falls to San Jose, California in about 15h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 669 mi.

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

Cheapflights users have booked flights from Idaho Falls to San Jose, California round-trip from $122. Delta is currently priced 66% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in San Jose, California ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose, California when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Jose, California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Most accurate provider : When it comes to deals on Idaho Falls-San Jose, California flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-San Jose, California flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Jose, California flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-San Jose, California 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 Idaho Falls-San Jose, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$120+ Flights from Idaho Falls to San Jose, CA

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Cheap 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 December 4, 2025.

Sat 12/1312:49 pmIDA - SJC

2 stops26h 43mMultiple Airlines

Thu 1/811:27 amSJC - IDA

1 stop25h 52mMultiple Airlines

Deal found 12/1

$268

Mon 12/156:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Wed 1/73:36 pmSJC - IDA

1 stop6h 23mAlaska Airlines

Deal found 12/1

$279

Mon 12/156:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Tue 1/63:54 pmSJC - IDA

1 stop25h 24mAlaska Airlines

Deal found 12/1

$291

Mon 12/156:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Thu 1/812:46 pmSJC - IDA

2 stops9h 13mAlaska Airlines

Deal found 12/1

$302

Sat 12/136:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Thu 1/811:00 amSJC - IDA

1 stop6h 18mAlaska Airlines

Deal found 12/1

$379

Sat 12/136:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Tue 1/65:57 pmSJC - IDA

1 stop23h 21mAlaska Airlines

Deal found 12/1

$391

Sat 12/136:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Wed 1/77:00 amSJC - IDA

2 stops10h 18mAlaska Airlines

Deal found 12/1

$396

Sun 12/145:07 pmIDA - SJC

1 stop6h 52mAlaska Airlines

Thu 1/812:46 pmSJC - IDA

2 stops9h 13mAlaska Airlines

Deal found 12/1

$402

Best flights from Idaho Falls to San Jose
Discover carefully curated flight deals from Idaho Falls to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Wed 1/286:58 pmIDA - SJC

1 stop15h 50mAlaska Airlines

Sat 2/288:00 amSJC - IDA

1 stop7h 43mAlaska Airlines

Deal found 12/2

$238

Wed 2/255:20 pmIDA - SJC

1 stop17h 02mAlaska Airlines

Sat 2/284:59 pmSJC - IDA

1 stop5h 37mAlaska Airlines

Deal found 12/3

$290

Mon 12/156:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Tue 1/63:54 pmSJC - IDA

1 stop25h 24mAlaska Airlines

Deal found 12/1

$291

Wed 1/146:58 pmIDA - SJC

1 stop15h 50mAlaska Airlines

Fri 1/169:05 amSJC - IDA

1 stop12h 54mAlaska Airlines

Deal found 12/2

$297

Tue 1/136:58 pmIDA - SJC

1 stop20h 44mAlaska Airlines

Fri 1/169:05 amSJC - IDA

1 stop12h 54mAlaska Airlines

Deal found 12/2

$297

Fri 2/275:20 pmIDA - SJC

1 stop18h 08mAlaska Airlines

Tue 3/310:16 amSJC - IDA

1 stop5h 27mAlaska Airlines

Deal found 12/2

$351

Last-minute flights from Idaho Falls to San Jose
Discover last-minute flight deals from Idaho Falls to San Jose. Data last updated December 4, 2025 and is based on user searches.

Tue 12/97:06 pmIDA - SJC

1 stop5h 47mDelta

Thu 12/115:45 amSJC - IDA

1 stop5h 52mDelta

Deal found 12/3

$666

Thu 12/117:06 pmIDA - SJC

1 stop5h 47mDelta

Tue 12/164:50 pmSJC - IDA

1 stop4h 31mDelta

Deal found 12/3

$561

Mon 12/156:05 amIDA - SJC

1 stop5h 09mAlaska Airlines

Thu 12/183:54 pmSJC - IDA

1 stop7h 13mAlaska Airlines

Deal found 12/4

$596

Sun 12/214:05 pmIDA - SJC

1 stop6h 11mUnited Airlines

Sat 12/279:00 amSJC - IDA

1 stop12h 59mUnited Airlines

Deal found 12/4

$703

Thu 12/256:00 amIDA - SJC

1 stop8h 52mAlaska Airlines

Mon 12/293:54 pmSJC - IDA

1 stop7h 13mAlaska Airlines

Deal found 12/3

$685

Fri 1/22:43 pmIDA - SJC

1 stop6h 17mAlaska Airlines

Mon 1/57:03 pmSJC - IDA

2 stops28h 04mAlaska Airlines

Deal found 12/4

$660

Mon 1/126:58 pmIDA - SJC

1 stop15h 50mAlaska Airlines

Fri 1/169:05 amSJC - IDA

1 stop12h 54mAlaska Airlines

Deal found 12/2

$307

Tue 1/136:58 pmIDA - SJC

1 stop20h 44mAlaska Airlines

Fri 1/169:05 amSJC - IDA

1 stop12h 54mAlaska Airlines

Deal found 12/2

$297

Wed 1/146:58 pmIDA - SJC

1 stop15h 50mAlaska Airlines

Fri 1/167:45 amSJC - IDA

2 stops14h 14mAlaska Airlines

Deal found 12/2

$368

One-way flights from Idaho Falls to San Jose
Search for one-way flight options from Idaho Falls to San Jose. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Wed 1/141:15 pmIDA - SJC

1 stop3h 59mDelta

Deal found 12/2

$120

Tue 1/136:58 pmIDA - SJC

1 stop20h 44mAlaska Airlines

Deal found 12/2

$137

Thu 1/159:00 amIDA - SJC

1 stop6h 42mAlaska Airlines

Deal found 12/2

$159

Wed 1/149:00 amIDA - SJC

2 stops11h 33mAlaska Airlines

Deal found 12/2

$210

Mon 12/296:00 amIDA - SJC

1 stop15h 00mAlaska Airlines

Deal found 12/4

$551

Fri 12/196:00 amIDA - SJC

1 stop8h 52mAlaska Airlines

Deal found 12/3

$906

Find flight deals from Idaho Falls to San Jose

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$231 (Delta)
One-way from	$120 (Delta)
Popular in	November
Cheapest in	February
Average price	$386

Provider with most accurate pricing for Idaho Falls Fanning Field-San Jose flight deals.

Search Deals

Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-San Jose flights.

Search Deals

From Idaho Falls Fanning Field to San Jose

Search Deals

One-way flight from Idaho Falls Fanning Field to San Jose

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 1/28

6:58 pm-9:48 am

1 stop15h 50m

San Jose

Sat 2/28

8:00 am-4:43 pm

1 stop7h 43m

$238

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 2/25

5:20 pm-9:22 am

1 stop17h 02m

San Jose

Sat 2/28

4:59 pm-11:36 pm

1 stop5h 37m

$290

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Mon 12/15

6:05 am-10:14 am

1 stop5h 09m

San Jose

Tue 1/6

3:54 pm-6:18 pm

1 stop25h 24m

$291

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 1/14

6:58 pm-9:48 am

1 stop15h 50m

San Jose

Fri 1/16

9:05 am-10:59 pm

1 stop12h 54m

$297

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 1/13

6:58 pm-2:42 pm

1 stop20h 44m

San Jose

Fri 1/16

9:05 am-10:59 pm

1 stop12h 54m

$297

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 2/27

5:20 pm-10:28 am

1 stop18h 08m

San Jose

Tue 3/3

10:16 am-4:43 pm

1 stop5h 27m

$351

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 1/14

1:15 pm-4:14 pm

1 stop3h 59m

$120

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 1/13

6:58 pm-2:42 pm

1 stop20h 44m

$137

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Thu 1/15

9:00 am-2:42 pm

1 stop6h 42m

$159

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 1/14

9:00 am-7:33 pm

2 stops11h 33m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 12 results

Compare providers for flights from Idaho Falls to San Jose

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to San Jose in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 Idaho Falls-San Jose, California flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-San Jose, California flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Jose, California flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-San Jose, California 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 Idaho Falls-San Jose, California 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 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, California?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to San Jose, California (average of $90). Flying from Idaho Falls to San Jose, California in March is currently the most expensive (average of $309). 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?

When flying from Idaho Falls to San Jose, California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight at noon.

Reviews of airlines servicing San Jose

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

7.9

Good

8,011 reviews

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

7.9

Good

8,011 reviews

Delta

7.9

Good

8,011 reviews

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

How long is the flight from Idaho Falls to San Jose, California?
Airlines like Alaska Airlines fly from Idaho Falls to San Jose, California in about 15h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 669 mi.
What is the cheapest airline to fly from Idaho Falls to San Jose, California round-trip?
Cheapflights users have booked flights from Idaho Falls to San Jose, California round-trip from $122. Delta is currently priced 66% below the average price you’ll pay for this route.
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, California?
Currently, August is the cheapest month in which you can book a flight from Idaho Falls to San Jose, California (average of $90). Flying from Idaho Falls to San Jose, California in March is currently the most expensive (average of $309). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Idaho Falls to San Jose

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$220	Average$366	FlexibilityNo cancel fee	On-timeN/A

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$120+ Cheap flights from Idaho Falls to San Jose, CA (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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to San Jose with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to San Jose

Cheapest flights from Idaho Falls to San JoseExplore 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 December 4, 2025.

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 December 4, 2025.

Find flight deals from Idaho Falls to San Jose

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to San Jose that are best for you.

Compare providers for flights from Idaho Falls to San Jose

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 Idaho Falls to San Jose in December.

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.

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, California?

What is the cheapest time of day to fly from IDA to SJC?

Reviews of airlines servicing San Jose

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.

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, California?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to San Jose

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to San Jose

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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 December 4, 2025.