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$140+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$270
(Delta)

One-way from

$140
(Delta)

Popular in

November

Cheapest in

February

Average price

$374
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. 17% potential increase in price ($82 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 8/86:52 pmIDA - SJC
1 stop5h 44mDelta
Sun 8/105:45 amSJC - IDA
1 stop3h 49mDelta
Deal found 6/10$270
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2810:06 pmIDA - SJC
3 stops26h 28mMultiple Airlines
Mon 7/76:00 amSJC - IDA
1 stop4h 44mMultiple Airlines
Deal found 6/11$418
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 6/286:15 amIDA - SJC
1 stop12h 07mAlaska Airlines
Mon 7/77:57 pmSJC - IDA
2 stops18h 25mAlaska Airlines
Deal found 6/11$462
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/112:25 pmIDA - SJC
1 stop7h 25mUnited Airlines
Thu 6/122:30 pmSJC - IDA
1 stop7h 21mUnited Airlines
Deal found 6/10$551

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 June 12, 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 8/8

11:20 am-4:03 pm

1 stop5h 43m

San Jose

Sun 8/10

5:45 am-10:34 am

1 stop3h 49m

$270

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sat 6/28

10:06 pm-11:34 pm

3 stops26h 28m

San Jose

Mon 7/7

6:00 am-11:44 am

1 stop4h 44m

$418

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Sat 6/28

6:15 am-5:22 pm

1 stop12h 07m

San Jose

Mon 7/7

7:57 pm-3:22 pm

2 stops18h 25m

$462

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 7/15

6:52 pm-11:36 pm

1 stop5h 44m

$140

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Tue 7/15

1:47 pm-10:59 pm

2 stops10h 12m

$260

Idaho FallsSan Jose

IDA - SJC

IDASJC

Idaho Falls Fanning Field

Mon 6/30

4:03 pm-10:39 pm

2 stops7h 36m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $344). 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 June 12, 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.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose 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 when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, 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).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Idaho Falls to San Jose round-trip?

    Cheapflights users have booked flights from Idaho Falls to San Jose round-trip from $270. Another airline that can offer you cheap pricing is Alaska Airlines. Delta is 29% 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 Delta, with whom users have recently found tickets for as low as $140. However, be on the lookout for offers from American Airlines 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 $255). Flying from Idaho Falls to San Jose in June is currently the most expensive (average of $344). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$411FlexibilityNo cancel feeOn-timeN/A

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