$191+ Cheap flights from Idaho Falls to San Jose, CA (IDA - SJC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
Oct 18 — Oct 251
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 Idaho Falls to San Jose
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Cheapest flights from Idaho Falls to San JoseExplore the most affordable flight options available from Idaho Falls to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from Idaho Falls to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This Delta deal was found by Cheapflights users on 9/12. 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 10/86:00 am -
1 stop4h 07m
Wed 10/145:10 pm -
1 stop4h 00m
Deal found 9/12![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:54 pm -
1 stop5h 45m
Wed 12/97:35 am -
1 stop4h 42m
Deal found 9/16![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/12. 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 10/196:56 pm -
1 stop5h 54m
Fri 10/235:10 pm -
1 stop4h 00m
Deal found 9/12![Delta logo]()
$450
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:09 am -
1 stop8h 09m
Wed 10/284:48 pm -
1 stop5h 11m
Deal found 9/17![Alaska Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/86:00 am -
1 stop4h 07m
Sun 10/115:10 pm -
1 stop4h 00m
Deal found 9/14![Delta logo]()
$473
Best flights from Idaho Falls to San JoseDiscover carefully curated flight deals from Idaho Falls to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Idaho Falls to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:54 pm -
1 stop5h 45m
Wed 12/97:35 am -
1 stop4h 42m
Deal found 9/16![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/12. 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 10/196:56 pm -
1 stop5h 54m
Fri 10/235:10 pm -
1 stop4h 00m
Deal found 9/12![Delta logo]()
$450
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:55 pm -
1 stop4h 52m
Sun 12/278:00 am -
1 stop4h 15m
Deal found 9/15![Alaska Airlines logo]()
$405
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:57 pm -
1 stop7h 30m
Tue 10/68:02 am -
1 stop6h 18m
Deal found 9/16![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 9/303:57 pm -
1 stop7h 30m
Sun 10/47:55 am -
1 stop4h 26m
Deal found 9/14![Alaska Airlines logo]()
$481
Last-minute flights from Idaho Falls to San JoseDiscover last-minute flight deals from Idaho Falls to San Jose. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Jose. Data last updated September 18, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:57 pm -
1 stop7h 30m
Wed 9/302:13 pm -
1 stop7h 43m
Deal found 9/17![Alaska Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 9/303:57 pm -
1 stop7h 30m
Sun 10/47:55 am -
1 stop4h 26m
Deal found 9/14![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:05 pm -
1 stop6h 26m
Tue 10/611:41 am -
2 stops9h 29m
Deal found 9/16![Delta logo]()
$526
This Delta deal was found by Cheapflights users on 9/12. 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 10/86:00 am -
1 stop4h 07m
Wed 10/145:10 pm -
1 stop4h 00m
Deal found 9/12![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/86:00 am -
1 stop4h 07m
Sun 10/115:10 pm -
1 stop4h 00m
Deal found 9/14![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 9/14. 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 10/96:56 pm -
1 stop5h 54m
Sun 10/115:10 pm -
1 stop4h 00m
Deal found 9/14![Delta logo]()
$497
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 10/101:05 pm -
1 stop6h 15m
Thu 10/1511:41 am -
2 stops9h 29m
Deal found 9/14![Delta logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:09 am -
1 stop17h 50m
Thu 10/1510:37 am -
1 stop11h 22m
Deal found 9/16![Alaska Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 9/12. 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 10/196:56 pm -
1 stop5h 54m
Fri 10/235:10 pm -
1 stop4h 00m
Deal found 9/12![Delta logo]()
$450
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:09 am -
1 stop8h 09m
Wed 10/284:48 pm -
1 stop5h 11m
Deal found 9/17![Alaska Airlines logo]()
$454
One-way flights from Idaho Falls to San JoseSearch for one-way flight options from Idaho Falls to San Jose. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Idaho Falls to San Jose. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/86:00 am -
1 stop4h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/276:00 am -
2 stops8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 9/14. 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 10/96:56 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$215
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:57 pm -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
2 stops9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 9/246:18 am -
1 stop7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/236:00 am -
1 stop4h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$304
Find flight deals from Idaho Falls to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to San Jose (SJC). 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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $392 (Alaska Airlines) |
One-way from | $191 (Delta) |
Popular in | November |
Cheapest in | June |
Average price | $410 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to San Jose 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 7,457,451 searches. Data last updated September 18, 2026.
Use the filters below to find and compare flights from Idaho Falls to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Thu 10/8
6:00 am-9:07 am
1 stop4h 07m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$191
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Wed 9/30
3:57 pm-10:27 pm
1 stop7h 30m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$216
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Wed 9/30
6:00 am-2:01 pm
2 stops9h 01m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$265
Quickest round-trip
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Wed 9/23
6:00 am-9:02 am
1 stop4h 02m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$306
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Thu 9/24
6:00 am-10:45 am
2 stops5h 45m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$311
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Fri 10/9
1:05 pm-10:08 pm
2 stops10h 03m
San Jose
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$328
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Sat 12/5
1:54 pm-6:39 pm
1 stop5h 45m
San Jose
Wed 12/9
7:35 am-1:17 pm
1 stop4h 42m
$405
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Thu 12/24
3:55 pm-7:47 pm
1 stop4h 52m
San Jose
Sun 12/27
8:00 am-1:15 pm
1 stop4h 15m
$405
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Mon 10/19
6:56 pm-11:50 pm
1 stop5h 54m
San Jose
Fri 10/23
5:10 pm-10:10 pm
1 stop4h 00m
$450
Idaho FallsSan Jose
IDA Idaho Falls Fanning Field - SJC San Jose
IDASJC
Idaho Falls Fanning Field
Fri 10/2
3:57 pm-10:27 pm
1 stop7h 30m
San Jose
Tue 10/6
8:02 am-3:20 pm
1 stop6h 18m
$481
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to San Jose
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 Idaho Falls to San Jose in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-San Jose, California 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 Idaho Falls-San Jose, California 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 Idaho Falls to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Idaho Falls with our price prediction graph.
IDA-SJC
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 San Jose
Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated September 18, 2026.
See what other customers who have flown with Delta from Idaho Falls to San Jose have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Idaho Falls and San Jose flights
Browse other Idaho Falls and San Jose flight options. Last updated on September 18, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Jose
Explore flights to San Jose departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Top airline flying from Idaho Falls to San Jose
Discover the top airline that operate flights from Idaho Falls to San Jose. 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$363 | FlexibilityNo cancel fee | On-timeN/A |