$171+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
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Cheapest flights from San Jose to Idaho FallsExplore 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 2, 2026.
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 2, 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 11/102:10 pm
SJC
- IDA
1 stop22h 06m
Alaska Airlines
Sat 11/143:54 pm
IDA
- SJC
1 stop4h 46m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 9/1710:47 pm
SJC
- IDA
1 stop12h 17m
Multiple Airlines
Mon 9/216:21 pm
IDA
- SJC
2 stops26h 47m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$315
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 10/302:14 pm
SJC
- IDA
1 stop22h 07m
Alaska Airlines
Tue 11/33:54 pm
IDA
- SJC
1 stop21h 36m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$323
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:47 pm
SJC
- IDA
1 stop12h 03m
Multiple Airlines
Mon 9/146:21 pm
IDA
- SJC
2 stops26h 47m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$327
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:29 am
SJC
- IDA
2 stops14h 27m
Alaska Airlines
Mon 9/283:57 pm
IDA
- SJC
1 stop22h 47m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$336
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.
Tue 8/188:20 am
SJC
- IDA
1 stop6h 17m
Alaska Airlines
Tue 8/256:18 am
IDA
- SJC
1 stop7h 30m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$341
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.
Wed 9/99:39 am
SJC
- IDA
1 stop26h 45m
Alaska Airlines
Mon 9/143:57 pm
IDA
- SJC
1 stop25h 28m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$343
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 8/196:00 am
SJC
- IDA
1 stop3h 50m
Delta
Tue 8/256:00 am
IDA
- SJC
2 stops9h 05m
Delta
Deal found 7/28![Delta logo]()
$346
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.
Thu 9/107:02 am
SJC
- IDA
1 stop5h 22m
Alaska Airlines
Mon 9/143:57 pm
IDA
- SJC
1 stop22h 47m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$348
Best flights from San Jose to Idaho FallsDiscover carefully curated flight deals from San Jose to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from San Jose to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:46 pm
SJC
- IDA
1 stop17h 38m
Alaska Airlines
Mon 9/283:57 pm
IDA
- SJC
1 stop22h 47m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$303
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 8/1911:38 am
SJC
- IDA
2 stops9h 54m
Delta
Mon 8/243:17 pm
IDA
- SJC
2 stops7h 56m
Delta
Deal found 7/28![Delta logo]()
$351
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.
Tue 8/188:20 am
SJC
- IDA
1 stop6h 17m
Alaska Airlines
Tue 8/256:18 am
IDA
- SJC
1 stop7h 30m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$341
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.
Tue 8/187:00 am
SJC
- IDA
2 stops6h 35m
Delta
Tue 8/256:00 am
IDA
- SJC
2 stops9h 05m
Delta
Deal found 7/28![Delta logo]()
$351
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.
Wed 9/99:39 am
SJC
- IDA
1 stop26h 45m
Alaska Airlines
Mon 9/143:57 pm
IDA
- SJC
1 stop25h 28m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$343
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 8/196:00 am
SJC
- IDA
1 stop3h 50m
Delta
Sun 8/236:00 am
IDA
- SJC
2 stops5h 43m
Delta
Deal found 7/28![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 7/31. 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.
Thu 8/275:10 pm
SJC
- IDA
1 stop4h 22m
Delta
Wed 9/26:00 am
IDA
- SJC
1 stop3h 54m
Delta
Deal found 7/31![Delta logo]()
$361
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:40 pm
SJC
- IDA
1 stop3h 36m
Delta
Tue 11/31:05 pm
IDA
- SJC
2 stops7h 44m
Delta
Deal found 7/29![Delta logo]()
$366
Last-minute flights from San Jose to Idaho FallsDiscover last-minute flight deals from San Jose to Idaho Falls. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho Falls. Data last updated August 2, 2026 and is based on user searches.
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.
Tue 8/188:20 am
SJC
- IDA
1 stop6h 17m
Alaska Airlines
Tue 8/256:18 am
IDA
- SJC
1 stop7h 30m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$341
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.
Tue 8/187:00 am
SJC
- IDA
2 stops6h 35m
Delta
Tue 8/256:00 am
IDA
- SJC
2 stops9h 05m
Delta
Deal found 7/28![Delta logo]()
$351
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.
Tue 8/186:00 am
SJC
- IDA
1 stop3h 50m
Delta
Sun 8/236:00 am
IDA
- SJC
1 stop3h 54m
Delta
Deal found 7/28![Delta logo]()
$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 8/196:00 am
SJC
- IDA
1 stop3h 50m
Delta
Tue 8/256:00 am
IDA
- SJC
2 stops9h 05m
Delta
Deal found 7/28![Delta logo]()
$346
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:10 pm
SJC
- IDA
1 stop4h 22m
Delta
Tue 8/256:00 am
IDA
- SJC
1 stop3h 54m
Delta
Deal found 7/30![Delta logo]()
$375
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
SJC
- IDA
1 stop3h 50m
Delta
Wed 9/26:00 am
IDA
- SJC
2 stops9h 05m
Delta
Deal found 7/29![Delta logo]()
$352
One-way flights from San Jose to Idaho FallsSearch for one-way flight options from San Jose to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from San Jose to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
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.
Thu 9/107:02 am
SJC
- IDA
1 stop5h 22m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 8/1. 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 8/176:00 am
SJC
- IDA
1 stop3h 50m
Delta
Deal found 8/1![Delta logo]()
$206
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.
Tue 8/42:59 pm
SJC
- IDA
2 stops6h 33m
Delta
Deal found 7/28![Delta logo]()
$251
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.
Tue 8/410:03 am
SJC
- IDA
2 stops11h 36m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$428
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Alaska Airlines) |
One-way from | $171 (Alaska Airlines) |
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 2, 2026.
Use the filters below to find and compare flights from San Jose to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sat 9/19
6:46 pm-1:24 pm
1 stop17h 38m
Idaho Falls Fanning Field
Mon 9/28
3:57 pm-1:44 pm
1 stop22h 47m
$303
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Tue 8/18
8:20 am-3:37 pm
1 stop6h 17m
Idaho Falls Fanning Field
Tue 8/25
6:18 am-12:48 pm
1 stop7h 30m
$341
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Wed 9/9
9:39 am-1:24 pm
1 stop26h 45m
Idaho Falls Fanning Field
Mon 9/14
3:57 pm-4:25 pm
1 stop25h 28m
$343
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Wed 8/19
11:38 am-10:32 pm
2 stops9h 54m
Idaho Falls Fanning Field
Mon 8/24
3:17 pm-10:13 pm
2 stops7h 56m
$351
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Tue 8/18
7:00 am-2:35 pm
2 stops6h 35m
Idaho Falls Fanning Field
Tue 8/25
6:00 am-2:05 pm
2 stops9h 05m
$351
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Wed 8/19
6:00 am-10:50 am
1 stop3h 50m
Idaho Falls Fanning Field
Sun 8/23
6:00 am-10:43 am
2 stops5h 43m
$360
Quickest round-trip
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Thu 8/27
5:10 pm-10:32 pm
1 stop4h 22m
Idaho Falls Fanning Field
Wed 9/2
6:00 am-8:54 am
1 stop3h 54m
$361
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Fri 10/30
1:40 pm-6:16 pm
1 stop3h 36m
Idaho Falls Fanning Field
Tue 11/3
1:05 pm-7:49 pm
2 stops7h 44m
$366
Cheapest one-way
Quickest one-way
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Tue 8/18
6:00 am-10:50 am
1 stop3h 50m
$206
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Mon 8/17
6:00 am-10:50 am
1 stop3h 50m
$206
Showing 1-10 of 11 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
SJC-IDA
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.
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 2, 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.
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 2, 2026.
San Jose and Idaho Falls flights
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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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$404 | FlexibilityNo cancel fee | On-timeN/A |