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Idaho Falls

$121+ Cheap flights from San Jose to Idaho Falls (SJC - IDA)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from San Jose to Idaho Falls

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

Round-trip from

$274
(Mytrip)

One-way from

$121
(Delta)

Popular in

July

Cheapest in

February

Average price

$271
From San Jose to Idaho Falls Fanning Field
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One-way flight from San Jose to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 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 San Jose to Idaho Falls

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

This Mytrip deal was found by Cheapflights users on 6/16. 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.
Thu 8/71:10 pmSJC - IDA
2 stops21h 34mMultiple Airlines
Sun 8/109:47 amIDA - SJC
2 stops25h 49mMultiple Airlines
Deal found 6/16$274
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 8/155:01 pmSJC - IDA
1 stop4h 26mDelta
Tue 8/1911:20 amIDA - SJC
1 stop5h 41mDelta
Deal found 6/14$310
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:02 pmSJC - IDA
1 stop9h 37mAlaska Airlines
Tue 8/194:03 pmIDA - SJC
2 stops7h 36mAlaska Airlines
Deal found 6/14$419
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 amSJC - IDA
1 stop5h 21mUnited Airlines
Wed 7/24:13 pmIDA - SJC
1 stop5h 49mUnited Airlines
Deal found 6/15$615

Cheapflights Fare Finder

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

Fly from

San Jose

Fly to

Idaho Falls

Route

Depart

Return

Price

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 8/7

1:10 pm-11:44 am

2 stops21h 34m

Idaho Falls Fanning Field

Sun 8/10

9:47 am-10:36 am

2 stops25h 49m

$274

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 8/15

5:01 pm-10:27 pm

1 stop4h 26m

Idaho Falls Fanning Field

Tue 8/19

11:20 am-4:01 pm

1 stop5h 41m

$310

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 8/15

12:02 pm-10:39 pm

1 stop9h 37m

Idaho Falls Fanning Field

Tue 8/19

4:03 pm-10:39 pm

2 stops7h 36m

$419

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 6/30

7:00 am-3:29 pm

1 stop7h 29m

Idaho Falls Fanning Field

Fri 7/4

4:13 pm-9:02 pm

1 stop5h 49m

$645

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 8/12

5:55 am-10:39 am

1 stop3h 44m

$121

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 6/27

6:00 am-11:45 am

1 stop4h 45m

$155

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 6/24

3:24 pm-10:39 pm

1 stop6h 15m

$225

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 6/26

2:31 pm-10:51 pm

1 stop7h 20m

$320

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sat 6/21

9:45 am-9:35 pm

2 stops10h 50m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Best time to book a flight from San Jose to Idaho Falls

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

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

Currently, October is the cheapest month in which you can book a flight from San Jose to Idaho Falls (average of $380). Flying from San Jose to Idaho Falls in December 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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, 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 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from San Jose to Idaho Falls. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

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 San Jose to Idaho Falls. 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 San Jose to Idaho Falls round-trip?

    Cheapflights users have booked flights from San Jose to Idaho Falls round-trip from $310. Other airlines that can offer you cheap pricing are Alaska Airlines, from $330, and United Airlines, from $645. You may be able to fly from San Jose to Idaho Falls for 41% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $121 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $225 and United Airlines from $320 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Jose to Idaho Falls (average of $380). Flying from San Jose to Idaho Falls in December 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

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Top airline flying from San Jose to Idaho Falls

Discover the top airline that operate flights from San Jose to Idaho Falls. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$497FlexibilityNo cancel feeOn-timeN/A

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