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$157+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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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 August 1, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/273:57 pm
IDA
-
SJC
1 stop25h 41m
Alaska Airlines
Sat 10/317:55 am
SJC
-
IDA
1 stop4h 26m
Alaska Airlines
Deal found 7/29$303
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/183:57 pm
IDA
-
SJC
1 stop22h 47m
Alaska Airlines
Sun 9/207:02 am
SJC
-
IDA
1 stop5h 22m
Alaska Airlines
Deal found 7/29$323
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/183:57 pm
IDA
-
SJC
1 stop22h 47m
Alaska Airlines
Mon 9/212:40 pm
SJC
-
IDA
1 stop21h 44m
Alaska Airlines
Deal found 7/28$343
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:18 am
IDA
-
SJC
2 stops8h 26m
Alaska Airlines
Sun 9/67:02 am
SJC
-
IDA
1 stop5h 22m
Alaska Airlines
Deal found 7/30$348
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 10/106:00 am
IDA
-
SJC
1 stop4h 07m
Delta
Thu 10/156:00 am
SJC
-
IDA
1 stop5h 22m
Delta
Deal found 7/28$355
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/2611:35 am
IDA
-
SJC
1 stop5h 31m
Delta
Wed 9/26:00 am
SJC
-
IDA
1 stop3h 50m
Delta
Deal found 7/28$361

Find 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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Alaska Airlines)

One-way from

$157
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$350
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. 14% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 1, 2026.
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

Cheapest round-trip

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 10/27

3:57 pm-4:38 pm

1 stop25h 41m

San Jose

Sat 10/31

7:55 am-1:21 pm

1 stop4h 26m

$303

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/18

3:57 pm-1:44 pm

1 stop22h 47m

San Jose

Sun 9/20

7:02 am-1:24 pm

1 stop5h 22m

$323

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/18

3:57 pm-1:44 pm

1 stop22h 47m

San Jose

Mon 9/21

2:40 pm-1:24 pm

1 stop21h 44m

$343

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Thu 10/15

6:56 pm-11:50 pm

1 stop5h 54m

San Jose

Sun 10/18

6:00 am-12:22 pm

1 stop5h 22m

$355

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sat 10/10

6:00 am-9:07 am

1 stop4h 07m

San Jose

Thu 10/15

7:00 am-6:16 pm

2 stops10h 16m

$360
Quickest round-trip

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 8/26

11:35 am-4:06 pm

1 stop5h 31m

San Jose

Wed 9/2

6:00 am-10:50 am

1 stop3h 50m

$361
Cheapest one-way

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 9/2

6:00 am-2:05 pm

2 stops9h 05m

$172

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Wed 9/2

6:18 am-1:44 pm

2 stops8h 26m

$177

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sun 9/6

6:18 am-12:48 pm

1 stop7h 30m

$178

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Fri 9/18

4:04 pm-8:57 pm

1 stop5h 53m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Idaho Falls-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Jose, California flight deals on Cheapflights vs. FlightHub >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 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 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, June is the cheapest month in which you can book a flight from Idaho Falls to San Jose, California (average of $165). Flying from Idaho Falls to San Jose, California in November is currently the most expensive (average of $578). 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 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 1, 2026.
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
7.8
Good
8,497 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

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
7.8
Good
8,497 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

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, California?

    Airlines like Alaska Airlines fly from Idaho Falls to San Jose, California in about 25h 41m. 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 $165. Delta is currently priced 51% 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, June is the cheapest month in which you can book a flight from Idaho Falls to San Jose, California (average of $165). Flying from Idaho Falls to San Jose, California in November is currently the most expensive (average of $578). 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

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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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$165Average$350FlexibilityNo cancel feeOn-timeN/A

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