$80+ Cheap flights from San Jose, CA (SJC) to Idaho
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Jul 8 — Jul 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose to Idaho with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to IdahoExplore the most affordable flight options available from San Jose to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from San Jose to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:45 pm
SJC
- GEG
1 stop7h 10m
Southwest
Sat 8/292:15 pm
GEG
- SJC
1 stop5h 20m
Southwest
Deal found 6/8![Southwest logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 9/87:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Wed 9/167:00 am
BOI
- SJC
Nonstop1h 52m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/316:46 pm
SJC
- GEG
1 stop4h 25m
Alaska Airlines
Wed 9/27:03 am
GEG
- SJC
1 stop5h 45m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:40 am
SJC
- GEG
1 stop5h 15m
Southwest
Thu 8/206:55 am
GEG
- SJC
1 stop6h 40m
Southwest
Deal found 6/8![Southwest logo]()
$236
This Delta deal was found by Cheapflights users on 6/8. 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 9/107:00 am
SJC
- BOI
1 stop7h 01m
Delta
Mon 9/144:00 pm
BOI
- SJC
1 stop7h 13m
Delta
Deal found 6/8![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/2311:35 am
SJC
- GEG
1 stop4h 12m
Delta
Mon 7/275:25 am
GEG
- SJC
1 stop5h 30m
Delta
Deal found 6/5![Delta logo]()
$243
This Expedia deal was found by Cheapflights users on 6/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:48 pm
SJC
- GEG
1 stop12h 03m
Alaska Airlines
Sat 6/275:00 am
GEG
- SJC
1 stop4h 09m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Tue 7/215:00 am
GEG
- SJC
2 stops8h 15m
Southwest
Deal found 6/6![Southwest logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 9/107:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Mon 9/146:49 pm
BOI
- SJC
1 stop5h 07m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$257
This CheapOair deal was found by Cheapflights users on 6/5. 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 8/187:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Mon 8/247:00 am
BOI
- SJC
Nonstop1h 52m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/4. 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 9/125:45 am
SJC
- BOI
1 stop5h 29m
Delta
Sat 9/125:45 pm
BOI
- SJC
1 stop5h 59m
Delta
Deal found 6/4![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 6/3. 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 8/199:51 am
SJC
- JAC
1 stop6h 06m
Delta
Tue 8/256:01 pm
JAC
- SJC
1 stop6h 43m
Delta
Deal found 6/3![Delta logo]()
$277
Best flights from San Jose to IdahoDiscover carefully curated flight deals from San Jose to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from San Jose to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Fri 7/102:55 pm
SJC
- GEG
1 stop4h 20m
Delta
Wed 7/154:30 pm
GEG
- SJC
1 stop6h 18m
Delta
Deal found 6/3![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:40 am
SJC
- GEG
1 stop5h 15m
Southwest
Mon 9/141:10 pm
GEG
- SJC
2 stops8h 00m
Southwest
Deal found 6/6![Southwest logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/186:45 pm
SJC
- JAC
1 stop15h 30m
Alaska Airlines
Sat 8/223:10 pm
JAC
- SJC
1 stop8h 46m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:12 pm
SJC
- IDA
1 stop24h 48m
Multiple Airlines
Fri 7/2410:47 pm
IDA
- SJC
1 stop15h 30m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 6/202:45 pm
SJC
- IDA
1 stop5h 22m
United Airlines
Tue 6/234:10 pm
IDA
- SJC
1 stop5h 59m
United Airlines
Deal found 6/4![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:10 pm
SJC
- GEG
1 stop8h 40m
Southwest
Wed 7/155:00 am
GEG
- SJC
1 stop5h 45m
Southwest
Deal found 6/7![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 6/3. 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 8/199:51 am
SJC
- JAC
1 stop6h 06m
Delta
Tue 8/256:01 pm
JAC
- SJC
1 stop6h 43m
Delta
Deal found 6/3![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 7/37:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Wed 7/87:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 6/3. 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 9/81:35 pm
SJC
- JAC
1 stop4h 22m
Delta
Fri 9/115:30 pm
JAC
- SJC
1 stop6h 14m
Delta
Deal found 6/3![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Sun 7/126:40 pm
GEG
- SJC
1 stop5h 15m
Southwest
Deal found 6/5![Southwest logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/307:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Sun 8/27:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:15 pm
SJC
- GEG
Nonstop2h 00m
Southwest
Sat 8/296:15 am
GEG
- SJC
1 stop6h 55m
Southwest
Deal found 6/6![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 6/3. 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 6/211:40 pm
SJC
- JAC
1 stop5h 02m
Delta
Wed 6/241:15 pm
JAC
- SJC
1 stop3h 52m
Delta
Deal found 6/3![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/116:17 am
SJC
- BOI
1 stop6h 50m
Alaska Airlines
Tue 8/187:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 pm
SJC
- GEG
1 stop5h 50m
Southwest
Mon 7/205:00 am
GEG
- SJC
2 stops6h 55m
Southwest
Deal found 6/8![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 6/6. 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 7/119:45 am
SJC
- JAC
1 stop6h 15m
Delta
Tue 7/146:05 pm
JAC
- SJC
1 stop6h 34m
Delta
Deal found 6/6![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/98:20 am
SJC
- BOI
1 stop6h 06m
Alaska Airlines
Sun 8/167:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:35 pm
SJC
- BOI
Nonstop1h 30m
Southwest
Sun 7/198:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 6/6![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:13 am
SJC
- BOI
1 stop5h 33m
Alaska Airlines
Thu 8/64:27 pm
BOI
- SJC
1 stop6h 54m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 6/7. 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 8/72:59 pm
SJC
- BOI
1 stop7h 01m
Delta
Sun 8/96:45 pm
BOI
- SJC
1 stop5h 59m
Delta
Deal found 6/7![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Sun 7/195:00 am
GEG
- SJC
2 stops7h 10m
Southwest
Deal found 6/6![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 8/136:00 am
SJC
- IDA
1 stop3h 50m
Delta
Tue 8/187:00 pm
IDA
- SJC
1 stop5h 44m
Delta
Deal found 6/5![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:55 am
SJC
- BOI
Nonstop1h 30m
Southwest
Sat 7/116:05 am
BOI
- SJC
1 stop5h 30m
Southwest
Deal found 6/7![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:02 am
SJC
- IDA
1 stop5h 22m
Alaska Airlines
Wed 9/23:57 pm
IDA
- SJC
1 stop4h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:40 pm
SJC
- BOI
Nonstop1h 30m
Southwest
Sat 7/115:40 am
BOI
- SJC
1 stop5h 10m
Southwest
Deal found 6/7![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 6/3. 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 9/81:35 pm
SJC
- JAC
1 stop4h 22m
Delta
Thu 9/101:10 pm
JAC
- SJC
2 stops9h 59m
Delta
Deal found 6/3![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 8/182:16 pm
SJC
- SUN
1 stop18h 23m
Alaska Airlines
Tue 8/2510:21 am
SUN
- SJC
1 stop9h 24m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:55 am
SJC
- BOI
Nonstop1h 30m
Southwest
Mon 8/37:40 pm
BOI
- SJC
1 stop4h 50m
Southwest
Deal found 6/7![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 7/710:19 am
SJC
- SUN
1 stop7h 42m
Alaska Airlines
Thu 7/167:43 pm
SUN
- SJC
1 stop5h 16m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 6/7. 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 7/185:01 pm
SJC
- SUN
1 stop4h 06m
Delta
Wed 7/227:20 am
SUN
- SJC
1 stop6h 15m
Delta
Deal found 6/7![Delta logo]()
$387
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated June 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/3. 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 6/211:40 pm
SJC
- JAC
1 stop5h 02m
Delta
Wed 6/241:15 pm
JAC
- SJC
1 stop3h 52m
Delta
Deal found 6/3![Delta logo]()
$303
This Expedia deal was found by Cheapflights users on 6/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:48 pm
SJC
- GEG
1 stop12h 03m
Alaska Airlines
Sat 6/275:00 am
GEG
- SJC
1 stop4h 09m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$249
This CheapOair deal was found by Cheapflights users on 6/5. 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.
Fri 7/37:48 pm
SJC
- GEG
1 stop12h 03m
Alaska Airlines
Sat 7/115:07 am
GEG
- SJC
1 stop4h 16m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:10 pm
SJC
- GEG
1 stop8h 40m
Southwest
Wed 7/155:00 am
GEG
- SJC
1 stop5h 45m
Southwest
Deal found 6/7![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 6/7. 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 7/61:40 pm
SJC
- JAC
1 stop5h 02m
Delta
Wed 7/156:05 pm
JAC
- SJC
1 stop6h 34m
Delta
Deal found 6/7![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Mon 7/135:10 pm
GEG
- SJC
1 stop6h 20m
Southwest
Deal found 6/5![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 6/3. 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.
Fri 7/102:55 pm
SJC
- GEG
1 stop4h 20m
Delta
Wed 7/154:30 pm
GEG
- SJC
1 stop6h 18m
Delta
Deal found 6/3![Delta logo]()
$233
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Sat 7/115:02 pm
SJC
- GEG
1 stop6h 05m
Alaska Airlines
Wed 7/155:00 am
GEG
- SJC
1 stop4h 09m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 6/7. 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 7/116:00 am
SJC
- WYS
1 stop3h 45m
Delta
Mon 7/201:10 pm
WYS
- SJC
1 stop3h 54m
Delta
Deal found 6/7![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Tue 7/215:00 am
GEG
- SJC
2 stops8h 15m
Southwest
Deal found 6/6![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:20 pm
SJC
- GEG
1 stop5h 50m
Southwest
Sat 7/256:25 am
GEG
- SJC
1 stop7h 20m
Southwest
Deal found 6/7![Southwest logo]()
$270
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/2311:35 am
SJC
- GEG
1 stop4h 12m
Delta
Mon 7/275:25 am
GEG
- SJC
1 stop5h 30m
Delta
Deal found 6/5![Delta logo]()
$243
One-way flights from San Jose to IdahoSearch for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:45 pm
SJC
- GEG
1 stop7h 10m
Southwest
Deal found 6/8![Southwest logo]()
$80
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 9/17:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 8/16:17 am
SJC
- GEG
1 stop6h 08m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$117
This Delta deal was found by Cheapflights users on 6/3. 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 9/19:34 am
SJC
- BOI
1 stop4h 15m
Delta
Deal found 6/3![Delta logo]()
$119
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/107:20 am
SJC
- GEG
1 stop4h 51m
Delta
Deal found 6/5![Delta logo]()
$122
This Delta deal was found by Cheapflights users on 6/5. 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.
Sat 8/2911:37 am
SJC
- BOI
1 stop4h 42m
Delta
Deal found 6/5![Delta logo]()
$124
This iWofly deal was found by Cheapflights users on 6/8. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$131
This CheapOair deal was found by Cheapflights users on 6/5. 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.
Sat 7/185:02 pm
SJC
- GEG
1 stop6h 05m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:15 am
SJC
- GEG
2 stops8h 00m
Southwest
Deal found 6/6![Southwest logo]()
$138
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:45 am
SJC
- JAC
1 stop8h 04m
United Airlines
Deal found 6/5![United Airlines logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:15 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm
SJC
- GEG
2 stops6h 55m
Southwest
Deal found 6/6![Southwest logo]()
$143
Find flight deals from San Jose to Idaho
Keep the following information in mind while searching for San Jose to Idaho flight deals. Data was last updated June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Southwest) |
One-way from | $80 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $372 |
Good round-trip deal | $320 or less |
Good one-way deal | $153 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Idaho 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 June 8, 2026.
Use the filters below to find and compare flights from San Jose to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Fri 7/10
2:55 pm-7:15 pm
1 stop4h 20m
Spokane
Wed 7/15
4:30 pm-10:48 pm
1 stop6h 18m
$233
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Thu 9/10
11:40 am-4:55 pm
1 stop5h 15m
Spokane
Mon 9/14
1:10 pm-9:10 pm
2 stops8h 00m
$270
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Sun 7/5
4:10 pm-12:50 am
1 stop8h 40m
Spokane
Wed 7/15
5:00 am-10:45 am
1 stop5h 45m
$271
San JoseJackson
SJC - JAC
SJCJAC
San Jose
Wed 8/19
9:51 am-4:57 pm
1 stop6h 06m
Jackson Hole
Tue 8/25
6:01 pm-11:44 pm
1 stop6h 43m
$277
San JoseJackson
SJC - JAC
SJCJAC
San Jose
Tue 8/18
6:45 pm-11:15 am
1 stop15h 30m
Jackson Hole
Sat 8/22
3:10 pm-10:56 pm
1 stop8h 46m
$295
San JoseJackson
SJC - JAC
SJCJAC
San Jose
Tue 9/8
1:35 pm-6:57 pm
1 stop4h 22m
Jackson Hole
Fri 9/11
5:30 pm-10:44 pm
1 stop6h 14m
$295
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Thu 7/9
7:10 pm-1:25 am
1 stop6h 15m
Spokane
Sun 7/12
6:40 pm-11:55 pm
1 stop5h 15m
$295
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Tue 8/25
2:15 pm-4:15 pm
Nonstop2h 00m
Spokane
Sat 8/29
6:15 am-1:10 pm
1 stop6h 55m
$297
San JoseJackson
SJC - JAC
SJCJAC
San Jose
Sun 6/21
1:40 pm-7:42 pm
1 stop5h 02m
Jackson Hole
Wed 6/24
1:15 pm-4:07 pm
1 stop3h 52m
$303
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Wed 7/15
6:20 pm-12:10 am
1 stop5h 50m
Spokane
Mon 7/20
5:00 am-11:55 am
2 stops6h 55m
$310
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Jose to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Jose with our price prediction graph.
SJC-GEG
SJC-JAC
SJC-WYS
SJC-BOI
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.
Cheapflights Insights
Everything you need to know about your flight from San Jose to Idaho
SJC-USID
SJC-GEG
SJC-JAC
SJC-WYS
SJC-BOI
What is the cheapest month to book a flight from San Jose, California to Idaho?
Currently, April is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $68). Flying from San Jose, California to Idaho in July is currently the most expensive (average of $217). 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.
What is the cheapest time of day to fly from SJC to ID?
Find hourly flight availability from San Jose to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 8, 2026.
One of the essential ways to save on airfare from San Jose, California to Idaho is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.
How much does it cost to fly round-trip from San Jose, California to Idaho?
How far ahead should I book a flight from San Jose, California to Idaho?
The price you pay for your flight from San Jose, California to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from San Jose, California to Idaho?
Use this chart to determine the cheapest time to fly round-trip from San Jose to Idaho. Price data was last updated on June 8, 2026.
Travelers seeking maximum savings on their San Jose, California to Idaho flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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. Reviews last updated June 8, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from San Jose to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Boarding
8.1
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Jose to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for San Jose to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Jose to Idaho by cabin class
Find flights from San Jose to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Idaho flights
Browse other San Jose and Idaho flight options. Last updated on June 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Jose to Idaho flights
Consider these flights traveling from San Jose to Idaho.
Top 4 airlines flying from San Jose to Idaho
Discover the top 4 airlines that operate flights from San Jose to Idaho. 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$199 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$126 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$307 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$330 | FlexibilityNo cancel fee | On-time63% |