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Idaho Falls

$109+ Cheap flights from San Jose, CA 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:16 am
SJC
-
IDA
1 stop5h 27m
Alaska Airlines
Sat 3/75:20 pm
IDA
-
SJC
1 stop6h 39m
Alaska Airlines
Deal found 2/2$217
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 3/24:59 pm
SJC
-
IDA
1 stop4h 22m
Delta
Tue 3/36:35 pm
IDA
-
SJC
1 stop6h 24m
Delta
Deal found 2/1$253
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:36 pm
SJC
-
IDA
1 stop8h 00m
Alaska Airlines
Wed 2/255:20 pm
IDA
-
SJC
1 stop17h 02m
Alaska Airlines
Deal found 2/2$268
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/288:50 am
SJC
-
IDA
1 stop6h 40m
United Airlines
Tue 3/32:40 pm
IDA
-
SJC
1 stop7h 25m
United Airlines
Deal found 2/1$344
This Delta deal was found by Cheapflights users on 2/3. 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.
Sun 7/265:45 am
SJC
-
IDA
1 stop3h 54m
Delta
Tue 7/286:50 pm
IDA
-
SJC
1 stop5h 59m
Delta
Deal found 2/3$350
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:19 pm
SJC
-
IDA
1 stop9h 40m
Alaska Airlines
Tue 8/46:00 am
IDA
-
SJC
1 stop7h 25m
Alaska Airlines
Deal found 2/2$365
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 2/287:10 pm
SJC
-
IDA
1 stop27h 26m
Alaska Airlines
Tue 3/38:00 am
IDA
-
SJC
1 stop6h 42m
Alaska Airlines
Deal found 2/2$371

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Expedia)

One-way from

$160
(CheapOair)

Popular in

August

Cheapest in

October

Average price

$230
Provider with most accurate pricing for San Jose-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Idaho Falls Fanning Field flights.
Search Deals
From San Jose to Idaho Falls Fanning Field
Search Deals
One-way flight from San Jose to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 41% potential increase in price ($269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Mon 3/2

4:59 pm-10:21 pm

1 stop4h 22m

Idaho Falls Fanning Field

Tue 3/3

6:35 pm-11:59 pm

1 stop6h 24m

$253

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sat 2/28

8:50 am-4:30 pm

1 stop6h 40m

Idaho Falls Fanning Field

Tue 3/3

2:40 pm-9:05 pm

1 stop7h 25m

$344

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sun 7/26

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Wed 7/29

3:04 pm-6:17 pm

1 stop4h 13m

$350

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 7/28

1:19 pm-11:59 pm

1 stop9h 40m

Idaho Falls Fanning Field

Tue 8/4

6:00 am-12:25 pm

1 stop7h 25m

$365

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sat 2/28

7:10 pm-11:36 pm

1 stop27h 26m

Idaho Falls Fanning Field

Tue 3/3

8:00 am-1:42 pm

1 stop6h 42m

$371

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 2/24

2:48 pm-11:36 pm

2 stops7h 48m

Idaho Falls Fanning Field

Wed 2/25

5:20 pm-11:18 am

2 stops18h 58m

$385

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 7/21

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Sat 8/1

6:50 pm-9:34 pm

1 stop3h 44m

$399

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 7/21

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Wed 7/29

11:20 am-4:16 pm

1 stop5h 56m

$399

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 7/23

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Wed 7/29

11:20 am-4:16 pm

1 stop5h 56m

$399

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 5/19

5:50 am-10:47 am

1 stop3h 57m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Jose to Idaho Falls

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

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in December is currently the most expensive (average of $307). 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 February 3, 2026.
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
7.9
Good
8,138 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

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
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

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.

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

    A quick flight from San Jose, California to Idaho Falls can take about 4h 22m. Delta provides one of the quickest options available for as low as $253. San Jose, California and Idaho Falls are separated by a distance of 669 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $126, Delta will fly you from San Jose, California to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. This flight start at 66% lower than the current average price 3 months from now.

  • 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, California to Idaho Falls?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in December is currently the most expensive (average of $307). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$126Average$344FlexibilityNo cancel feeOn-timeN/A

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