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Idaho Falls

$138+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
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 August 16, 2025.

Round-trip from

$219
(Mytrip)

One-way from

$138
(Delta)

Popular in

August

Cheapest in

February

Average price

$765
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. 19% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 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 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 August 16, 2025.

This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:35 amSJC - IDA
1 stop8h 30mMultiple Airlines
Fri 9/1210:55 pmIDA - SJC
1 stop12h 50mMultiple Airlines
Deal found 8/14$219
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:45 amSJC - IDA
1 stop5h 26mUnited Airlines
Sun 9/145:00 amIDA - SJC
1 stop5h 51mUnited Airlines
Deal found 8/16$265
This Delta deal was found by Cheapflights users on 8/14. 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 9/51:35 pmSJC - IDA
1 stop3h 36mDelta
Wed 9/106:52 pmIDA - SJC
1 stop5h 47mDelta
Deal found 8/14$313
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:40 amSJC - IDA
1 stop26h 09mMultiple Airlines
Sun 9/218:43 pmIDA - SJC
2 stops15h 02mMultiple Airlines
Deal found 8/15$314
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/314:48 pmSJC - IDA
1 stop6h 11mAlaska Airlines
Mon 11/33:50 pmIDA - SJC
2 stops21h 11mAlaska Airlines
Deal found 8/13$324
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:48 pmSJC - IDA
1 stop6h 11mHawaiian Airlines
Mon 11/33:50 pmIDA - SJC
1 stop8h 09mHawaiian Airlines
Deal found 8/13$340
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:45 amSJC - IDA
1 stop5h 26mUnited Airlines
Thu 9/115:00 amIDA - SJC
1 stop5h 51mUnited Airlines
Deal found 8/14$355
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/178:00 amSJC - IDA
1 stop6h 20mAlaska Airlines
Sun 9/286:13 amIDA - SJC
1 stop27h 58mAlaska Airlines
Deal found 8/14$362
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:45 pmSJC - IDA
1 stop6h 03mUnited Airlines
Thu 9/115:00 amIDA - SJC
1 stop5h 51mUnited Airlines
Deal found 8/14$368

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 August 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

Fri 9/5

6:35 am-4:05 pm

1 stop8h 30m

Idaho Falls Fanning Field

Fri 9/12

10:55 pm-10:45 am

1 stop12h 50m

$219

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sat 9/13

8:45 am-3:11 pm

1 stop5h 26m

Idaho Falls Fanning Field

Sun 9/14

5:00 am-9:51 am

1 stop5h 51m

$265

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 9/5

1:35 pm-6:11 pm

1 stop3h 36m

Idaho Falls Fanning Field

Wed 9/10

6:52 pm-11:39 pm

1 stop5h 47m

$313

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sun 9/14

11:40 am-2:49 pm

1 stop26h 09m

Idaho Falls Fanning Field

Sun 9/21

8:43 pm-10:45 am

2 stops15h 02m

$314

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 10/31

4:48 pm-11:59 pm

1 stop6h 11m

Idaho Falls Fanning Field

Mon 11/3

3:50 pm-12:01 pm

2 stops21h 11m

$324

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 10/31

4:48 pm-11:59 pm

1 stop6h 11m

Idaho Falls Fanning Field

Mon 11/3

3:50 pm-10:59 pm

1 stop8h 09m

$340

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 9/9

8:45 am-3:11 pm

1 stop5h 26m

Idaho Falls Fanning Field

Thu 9/11

5:00 am-9:51 am

1 stop5h 51m

$355

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Wed 9/17

8:00 am-3:20 pm

1 stop6h 20m

Idaho Falls Fanning Field

Sun 9/28

6:13 am-9:11 am

1 stop27h 58m

$362

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 9/5

3:45 pm-10:48 pm

1 stop6h 03m

Idaho Falls Fanning Field

Sun 9/7

5:00 am-9:51 am

1 stop5h 51m

$368

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Fri 9/5

3:45 pm-10:48 pm

1 stop6h 03m

Idaho Falls Fanning Field

Thu 9/11

5:00 am-9:51 am

1 stop5h 51m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 results
1
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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.

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 August 16, 2025.
Get a feel of what it's like to fly with Delta from San Jose to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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

    Cheapflights users have booked flights from San Jose to Idaho Falls round-trip from $240. You may be able to fly from San Jose to Idaho Falls for 52% less than the average price by searching for this airline.

  • 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 $138 on Delta. Other airlines that offer cheap prices include United Airlines from $156 and Alaska Airlines from $208 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$497FlexibilityNo cancel feeOn-timeN/A

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