$177+ Cheap flights from Idaho Falls to San Jose, CA (IDA - SJC)
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJC
Sep 3 — Sep 101
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 August 4, 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/257:00 pm -
1 stop5h 44m
Thu 8/275:10 pm -
1 stop4h 22m
Deal found 8/3![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 10/271:58 pm -
1 stop7h 02m
Sat 10/316:33 am -
2 stops15h 26m
Deal found 8/2![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 10/101:05 pm -
1 stop6h 15m
Thu 10/155:10 pm -
1 stop4h 00m
Deal found 8/4![Delta logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/183:57 pm -
1 stop7h 30m
Sun 9/207:02 am -
1 stop5h 22m
Deal found 8/3![Alaska Airlines logo]()
$389
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 August 4, 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 August 4, 2026.
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:58 pm -
1 stop7h 02m
Sat 10/316:33 am -
2 stops15h 26m
Deal found 8/1![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/253:17 pm -
2 stops7h 56m
Thu 8/2711:38 am -
2 stops9h 54m
Deal found 8/3![Delta logo]()
$372
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.
Sat 10/106:00 am -
1 stop4h 07m
Thu 10/156:00 am -
1 stop5h 22m
Deal found 7/31![Delta logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 10/106:09 am -
1 stop8h 09m
Thu 10/157:55 am -
1 stop4h 26m
Deal found 8/2![Alaska Airlines logo]()
$375
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:57 pm -
1 stop7h 30m
Sun 9/207:02 am -
1 stop5h 22m
Deal found 7/31![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/113:57 pm -
2 stops7h 59m
Sun 9/137:02 am -
1 stop5h 22m
Deal found 8/3![Alaska Airlines logo]()
$403
Last-minute flights from Idaho Falls to San JoseDiscover last-minute flight deals from Idaho Falls to San Jose. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Jose. Data last updated August 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 8/257:00 pm -
1 stop5h 44m
Thu 8/275:10 pm -
1 stop4h 22m
Deal found 8/3![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 9/13:57 pm -
1 stop4h 43m
Mon 9/79:39 am -
1 stop26h 45m
Deal found 8/2![Alaska Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:25 pm -
1 stop7h 48m
Sun 9/68:45 am -
1 stop5h 38m
Deal found 8/4![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/4. 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.
Wed 9/211:35 am -
2 stops9h 38m
Sun 9/66:00 am -
1 stop3h 50m
Deal found 8/4![Delta logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/113:57 pm -
2 stops7h 59m
Sun 9/137:02 am -
1 stop5h 22m
Deal found 8/3![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/183:57 pm -
1 stop7h 30m
Sun 9/207:02 am -
1 stop5h 22m
Deal found 8/3![Alaska Airlines logo]()
$389
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 August 4, 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 August 4, 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.
Wed 9/26:18 am -
2 stops8h 26m
Deal found 7/30![Alaska Airlines logo]()
$177
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:18 am -
1 stop7h 30m
Deal found 7/31![Alaska Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 8/3. 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.
Wed 9/23:17 pm -
2 stops8h 33m
Deal found 8/3![Delta logo]()
$186
This Delta deal was found by Cheapflights users on 8/2. 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.
Fri 10/26:57 pm -
1 stop5h 43m
Deal found 8/2![Delta logo]()
$195
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 8/187:00 pm -
1 stop5h 44m
Deal found 8/2![Delta logo]()
$206
This Priceline deal was found by Cheapflights users on 8/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:57 pm -
2 stops7h 59m
Deal found 8/2![Alaska Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 10/23:57 pm -
2 stops20h 23m
Deal found 8/2![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:54 pm -
2 stops21h 34m
Deal found 8/2![Multiple Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:04 pm -
1 stop5h 53m
Deal found 8/2![United Airlines logo]()
$256
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Alaska Airlines) |
One-way from | $177 (Alaska Airlines) |
Popular in | November |
Cheapest in | June |
Average price | $350 |
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 2,558,603 searches. Data last updated August 4, 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 - SJC
IDASJC
Idaho Falls Fanning Field
Tue 10/27
1:58 pm-8:00 pm
1 stop7h 02m
San Jose
Sat 10/31
6:33 am-10:59 pm
2 stops15h 26m
$369
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Tue 8/25
3:17 pm-10:13 pm
2 stops7h 56m
San Jose
Thu 8/27
11:38 am-10:32 pm
2 stops9h 54m
$372
Quickest round-trip
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Sat 10/10
6:00 am-9:07 am
1 stop4h 07m
San Jose
Thu 10/15
6:00 am-12:22 pm
1 stop5h 22m
$375
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Sat 10/10
6:09 am-1:18 pm
1 stop8h 09m
San Jose
Thu 10/15
7:55 am-1:21 pm
1 stop4h 26m
$375
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Fri 9/18
3:57 pm-10:27 pm
1 stop7h 30m
San Jose
Sun 9/20
7:02 am-1:24 pm
1 stop5h 22m
$389
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Fri 9/11
3:57 pm-10:56 pm
2 stops7h 59m
San Jose
Sun 9/13
7:02 am-1:24 pm
1 stop5h 22m
$403
Cheapest one-way
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Wed 9/2
6:18 am-1:44 pm
2 stops8h 26m
$177
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Sun 9/6
6:18 am-12:48 pm
1 stop7h 30m
$178
Quickest one-way
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Wed 9/2
3:17 pm-6:23 pm
1 stop4h 06m
$181
Idaho FallsSan Jose
IDA - SJC
IDASJC
Idaho Falls Fanning Field
Fri 10/2
6:57 pm-11:40 pm
1 stop5h 43m
$195
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 August.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Idaho Falls to San Jose
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 August 4, 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.
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
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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Idaho Falls and San Jose flights
Browse other Idaho Falls and San Jose flight options. Last updated on August 4, 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 August 4, 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 August 4, 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$350 | FlexibilityNo cancel fee | On-timeN/A |