$161+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to Idaho Falls
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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 May 6, 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 May 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 6/28:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Wed 6/34:03 pm
IDA
- SJC
1 stop7h 56m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Thu 6/44:03 pm
IDA
- SJC
1 stop4h 18m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Thu 5/286:54 pm
IDA
- SJC
1 stop5h 47m
Delta
Deal found 5/2![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 5/3. 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.
Sat 6/65:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Sat 6/136:00 am
IDA
- SJC
1 stop4h 02m
Delta
Deal found 5/3![Delta logo]()
$349
This CheapOair deal was found by Cheapflights users on 5/5. 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 6/21:14 pm
SJC
- IDA
1 stop8h 39m
Alaska Airlines
Fri 6/51:54 pm
IDA
- SJC
1 stop7h 06m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 5/204:59 pm
SJC
- IDA
1 stop4h 43m
Delta
Mon 5/256:00 am
IDA
- SJC
1 stop3h 58m
Delta
Deal found 5/1![Delta logo]()
$390
This CheapOair deal was found by Cheapflights users on 5/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SJC
- IDA
1 stop5h 06m
Alaska Airlines
Wed 9/164:14 pm
IDA
- SJC
2 stops7h 42m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 7/165:01 pm
SJC
- IDA
1 stop4h 31m
Delta
Mon 7/207:00 pm
IDA
- SJC
1 stop5h 39m
Delta
Deal found 5/3![Delta logo]()
$410
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 May 6, 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 May 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Wed 6/34:03 pm
IDA
- SJC
1 stop7h 56m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Thu 5/286:54 pm
IDA
- SJC
1 stop5h 47m
Delta
Deal found 5/2![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 5/3. 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.
Sat 6/65:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Sat 6/136:00 am
IDA
- SJC
1 stop4h 02m
Delta
Deal found 5/3![Delta logo]()
$349
Last-minute flights from San Jose to Idaho FallsDiscover last-minute flight deals from San Jose to Idaho Falls. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho Falls. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/4. 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 5/146:00 am
SJC
- IDA
1 stop3h 47m
Delta
Mon 5/186:54 pm
IDA
- SJC
1 stop5h 47m
Delta
Deal found 5/4![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 5/204:59 pm
SJC
- IDA
1 stop4h 43m
Delta
Mon 5/256:00 am
IDA
- SJC
1 stop3h 58m
Delta
Deal found 5/1![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Thu 5/286:54 pm
IDA
- SJC
1 stop5h 47m
Delta
Deal found 5/2![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 6/28:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Wed 6/34:03 pm
IDA
- SJC
1 stop7h 56m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Thu 6/44:03 pm
IDA
- SJC
1 stop4h 18m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$321
This CheapOair deal was found by Cheapflights users on 5/5. 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 6/21:14 pm
SJC
- IDA
1 stop8h 39m
Alaska Airlines
Fri 6/51:54 pm
IDA
- SJC
1 stop7h 06m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 5/3. 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.
Sat 6/65:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Sat 6/136:00 am
IDA
- SJC
1 stop4h 02m
Delta
Deal found 5/3![Delta logo]()
$349
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/1. 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 6/14:59 pm
SJC
- IDA
1 stop4h 43m
Delta
Deal found 5/1![Delta logo]()
$161
This Delta deal was found by Cheapflights users on 5/1. 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.
Sat 5/305:55 pm
SJC
- IDA
1 stop3h 47m
Delta
Deal found 5/1![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 5/5. 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 6/76:00 am
SJC
- IDA
1 stop3h 43m
Delta
Deal found 5/5![Delta logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:00 am
SJC
- IDA
1 stop6h 26m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$208
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 6/34:12 pm
SJC
- IDA
2 stops17h 35m
Delta
Deal found 5/1![Delta logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:00 am
SJC
- IDA
1 stop4h 17m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 6/22:51 pm
SJC
- IDA
2 stops18h 56m
Delta
Deal found 5/1![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/11:14 pm
SJC
- IDA
2 stops23h 03m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$295
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Mon 6/228:00 am
SJC
- IDA
1 stop4h 06m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$306
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Alaska Airlines) |
One-way from | $161 (Delta) |
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 May 6, 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
Tue 6/2
8:00 am-1:17 pm
1 stop4h 17m
Idaho Falls Fanning Field
Wed 6/3
4:03 pm-10:59 pm
1 stop7h 56m
$312
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sat 5/23
5:55 pm-10:42 pm
1 stop3h 47m
Idaho Falls Fanning Field
Thu 5/28
6:54 pm-11:41 pm
1 stop5h 47m
$335
Quickest round-trip
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sat 6/6
5:55 pm-10:42 pm
1 stop3h 47m
Idaho Falls Fanning Field
Sat 6/13
6:00 am-9:02 am
1 stop4h 02m
$349
Cheapest one-way
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Mon 6/1
4:59 pm-10:42 pm
1 stop4h 43m
$161
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Tue 6/2
4:59 pm-10:42 pm
1 stop4h 43m
$161
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Mon 7/6
5:01 pm-10:31 pm
1 stop4h 30m
$161
Quickest one-way
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sun 6/7
6:00 am-10:43 am
1 stop3h 43m
$195
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sun 5/31
8:00 am-1:17 pm
1 stop4h 17m
$211
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Fri 6/5
8:00 am-1:17 pm
1 stop4h 17m
$260
San JoseIdaho Falls
SJC - IDA
SJCIDA
San Jose
Sat 5/30
4:12 pm-2:34 pm
2 stops21h 22m
$261
Showing 1-10 of 13 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 May.
| 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 May 6, 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.
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
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 May 6, 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$499 | FlexibilityNo cancel fee | On-timeN/A |