$79+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
3월 2 — 3월 91
1 adult, Economy
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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 1월 31, 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 1월 31, 2026.
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/2411:40 am
SJC
- BOI
Nonstop1h 40m
Southwest
토 2/2812:50 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/30![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/239:45 am
SJC
- BOI
Nonstop1h 35m
Southwest
금 2/272:55 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/30![Southwest logo]()
$175
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/233:45 pm
SJC
- BOI
1 stop6h 00m
Delta
금 2/271:51 pm
BOI
- SJC
1 stop4h 47m
Delta
Deal found 1/28![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/27:00 am
SJC
- GEG
1 stop7h 06m
Delta
일 9/66:30 am
GEG
- SJC
1 stop6h 23m
Delta
Deal found 1/29![Delta logo]()
$193
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/2610:15 am
SJC
- BOI
1 stop4h 45m
Southwest
목 3/56:10 pm
BOI
- SJC
1 stop5h 15m
Southwest
Deal found 1/29![Southwest logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
월 2/232:53 pm
SJC
- BOI
1 stop7h 37m
Alaska Airlines
목 2/2610:25 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/263:40 pm
SJC
- GEG
1 stop7h 55m
Southwest
월 3/22:20 pm
GEG
- SJC
2 stops6h 50m
Southwest
Deal found 1/29![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/313:10 pm
SJC
- BOI
2 stops7h 40m
Southwest
목 4/167:25 am
BOI
- SJC
1 stop5h 40m
Southwest
Deal found 1/29![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 4/273:40 pm
SJC
- BOI
Nonstop1h 40m
Southwest
금 5/12:00 pm
BOI
- SJC
2 stops7h 30m
Southwest
Deal found 1/30![Southwest logo]()
$202
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/45:01 pm
SJC
- GEG
1 stop6h 02m
Alaska Airlines
일 3/86:00 am
GEG
- SJC
1 stop5h 18m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/197:15 am
SJC
- GEG
1 stop5h 20m
Delta
금 2/206:05 am
GEG
- SJC
1 stop4h 50m
Delta
Deal found 1/29![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 1/27. 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.
화 2/248:50 am
SJC
- JAC
1 stop5h 31m
United Airlines
수 3/114:16 pm
JAC
- SJC
1 stop6h 00m
United Airlines
Deal found 1/27![United Airlines logo]()
$217
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 1월 31, 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 1월 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 5/17:41 pm
SJC
- BOI
Nonstop1h 43m
Alaska Airlines
일 5/310:22 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/2411:40 am
SJC
- BOI
Nonstop1h 40m
Southwest
토 2/2812:50 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/30![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 3/157:15 am
SJC
- BOI
1 stop4h 50m
Delta
토 3/2110:09 am
BOI
- SJC
1 stop6h 50m
Delta
Deal found 1/30![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 1/27. 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.
화 2/248:50 am
SJC
- JAC
1 stop5h 31m
United Airlines
수 3/114:16 pm
JAC
- SJC
1 stop6h 00m
United Airlines
Deal found 1/27![United Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 4/107:22 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
월 4/139:02 am
BOI
- SJC
Nonstop2h 00m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/239:45 am
SJC
- BOI
Nonstop1h 35m
Southwest
금 2/272:55 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/28![Southwest logo]()
$175
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/256:15 pm
SJC
- BOI
1 stop4h 30m
Delta
월 3/3010:35 am
BOI
- SJC
1 stop5h 22m
Delta
Deal found 1/30![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 2/255:01 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
화 3/31:00 pm
BOI
- SJC
1 stop5h 09m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/233:45 pm
SJC
- BOI
1 stop6h 00m
Delta
금 2/271:51 pm
BOI
- SJC
1 stop4h 47m
Delta
Deal found 1/28![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/267:00 pm
SJC
- GEG
1 stop5h 40m
Southwest
월 3/25:25 pm
GEG
- SJC
1 stop4h 40m
Southwest
Deal found 1/29![Southwest logo]()
$193
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/316:15 pm
SJC
- BOI
1 stop4h 30m
Delta
목 4/167:05 am
BOI
- SJC
1 stop7h 12m
Delta
Deal found 1/29![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 2/252:25 pm
SJC
- BOI
1 stop6h 31m
Delta
월 3/21:51 pm
BOI
- SJC
1 stop4h 47m
Delta
Deal found 1/30![Delta logo]()
$177
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 3/54:59 pm
SJC
- GEG
1 stop7h 00m
Alaska Airlines
월 3/97:26 pm
GEG
- SJC
1 stop15h 28m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 2/271:10 pm
SJC
- GEG
Nonstop2h 10m
Southwest
월 3/25:25 pm
GEG
- SJC
1 stop4h 40m
Southwest
Deal found 1/29![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/176:00 am
SJC
- GEG
1 stop6h 45m
Delta
목 3/199:50 am
GEG
- SJC
1 stop6h 16m
Delta
Deal found 1/30![Delta logo]()
$193
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/412:45 pm
SJC
- GEG
2 stops8h 52m
Alaska Airlines
일 3/86:00 am
GEG
- SJC
1 stop5h 18m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
금 5/17:43 pm
SJC
- GEG
1 stop4h 12m
Alaska Airlines
일 5/36:00 am
GEG
- SJC
1 stop5h 17m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/197:15 am
SJC
- GEG
1 stop5h 20m
Delta
금 2/206:05 am
GEG
- SJC
1 stop4h 50m
Delta
Deal found 1/29![Delta logo]()
$213
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 4/307:30 am
SJC
- GEG
1 stop4h 16m
Alaska Airlines
월 5/46:00 am
GEG
- SJC
1 stop5h 17m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 2/181:20 pm
SJC
- JAC
1 stop4h 44m
Delta
화 3/105:50 pm
JAC
- SJC
1 stop7h 08m
Delta
Deal found 1/28![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/310:16 am
SJC
- SUN
1 stop7h 06m
Alaska Airlines
수 3/411:52 am
SUN
- SJC
1 stop6h 17m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 4/46:15 pm
SJC
- GEG
1 stop4h 35m
Delta
토 4/115:30 am
GEG
- SJC
1 stop7h 01m
Delta
Deal found 1/29![Delta logo]()
$238
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 5/298:00 am
SJC
- GEG
1 stop3h 52m
Alaska Airlines
일 5/315:00 am
GEG
- SJC
1 stop3h 54m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/49:50 am
SJC
- IDA
1 stop6h 59m
Delta
목 3/51:10 pm
IDA
- SJC
1 stop4h 03m
Delta
Deal found 1/29![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/249:50 am
SJC
- JAC
1 stop5h 29m
Delta
수 3/117:20 am
JAC
- SJC
2 stops8h 19m
Delta
Deal found 1/28![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 2/259:50 am
SJC
- JAC
1 stop5h 29m
Delta
화 3/101:10 pm
JAC
- SJC
2 stops10h 07m
Delta
Deal found 1/28![Delta logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 3/18:00 am
SJC
- IDA
1 stop7h 43m
Alaska Airlines
토 3/75:20 pm
IDA
- SJC
1 stop6h 39m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/179:50 am
SJC
- JAC
1 stop5h 29m
Delta
목 3/125:50 pm
JAC
- SJC
1 stop7h 08m
Delta
Deal found 1/28![Delta logo]()
$244
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 6/1610:13 am
SJC
- IDA
1 stop12h 46m
Alaska Airlines
수 6/246:00 am
IDA
- SJC
1 stop7h 25m
Alaska Airlines
Deal found 1/28![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/175:45 am
SJC
- JAC
1 stop5h 22m
Delta
월 3/95:50 pm
JAC
- SJC
1 stop7h 08m
Delta
Deal found 1/28![Delta logo]()
$244
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated 1월 31, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated 1월 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/179:50 am
SJC
- JAC
1 stop5h 29m
Delta
수 3/113:59 pm
JAC
- SJC
1 stop4h 42m
Delta
Deal found 1/28![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/197:15 am
SJC
- GEG
1 stop5h 20m
Delta
목 2/194:55 pm
GEG
- SJC
1 stop7h 04m
Delta
Deal found 1/29![Delta logo]()
$213
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/195:01 pm
SJC
- GEG
1 stop6h 02m
Alaska Airlines
월 2/235:57 pm
GEG
- SJC
1 stop5h 02m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
금 2/2010:15 am
SJC
- BOI
1 stop4h 45m
Southwest
일 2/225:25 am
BOI
- SJC
1 stop4h 55m
Southwest
Deal found 1/30![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/239:45 am
SJC
- BOI
Nonstop1h 35m
Southwest
금 2/272:55 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/30![Southwest logo]()
$175
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/233:45 pm
SJC
- BOI
1 stop6h 00m
Delta
목 2/267:30 am
BOI
- SJC
1 stop7h 07m
Delta
Deal found 1/30![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/235:01 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
목 2/266:28 am
BOI
- SJC
1 stop5h 00m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/2411:40 am
SJC
- BOI
Nonstop1h 40m
Southwest
토 2/2812:50 pm
BOI
- SJC
Nonstop1h 50m
Southwest
Deal found 1/30![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 1/27. 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.
화 2/248:50 am
SJC
- JAC
1 stop5h 31m
United Airlines
수 3/114:16 pm
JAC
- SJC
1 stop6h 00m
United Airlines
Deal found 1/27![United Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 2/254:59 pm
SJC
- BOI
1 stop6h 00m
Alaska Airlines
화 3/36:28 am
BOI
- SJC
2 stops12h 05m
Alaska Airlines
Deal found 1/29![Alaska Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/267:00 pm
SJC
- GEG
1 stop5h 40m
Southwest
월 3/25:25 pm
GEG
- SJC
1 stop4h 40m
Southwest
Deal found 1/29![Southwest logo]()
$193
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/2610:15 am
SJC
- BOI
1 stop4h 45m
Southwest
목 3/56:10 pm
BOI
- SJC
1 stop5h 15m
Southwest
Deal found 1/29![Southwest logo]()
$195
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 1월 31, 2026.
Search for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated 1월 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
화 3/32:48 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 3/32:25 pm
SJC
- BOI
1 stop6h 31m
Delta
Deal found 1/30![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 2/2610:34 am
SJC
- GEG
1 stop9h 56m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$91
This Southwest deal was found by Cheapflights users on 1/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/112:30 pm
SJC
- BOI
2 stops7h 40m
Southwest
Deal found 1/30![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 2/239:45 am
SJC
- BOI
Nonstop1h 35m
Southwest
Deal found 1/28![Southwest logo]()
$97
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 2/282:25 pm
SJC
- GEG
1 stop4h 30m
Delta
Deal found 1/30![Delta logo]()
$97
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 2/2811:10 am
SJC
- GEG
Nonstop2h 10m
Southwest
Deal found 1/29![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 4/296:15 am
SJC
- GEG
2 stops7h 50m
Southwest
Deal found 1/29![Southwest logo]()
$102
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 3/256:15 pm
SJC
- BOI
1 stop4h 30m
Delta
Deal found 1/30![Delta logo]()
$107
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 3/15:45 am
SJC
- GEG
1 stop6h 22m
Delta
Deal found 1/29![Delta logo]()
$107
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 2/178:50 am
SJC
- JAC
1 stop5h 31m
United Airlines
Deal found 1/30![United Airlines logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
월 3/25:01 pm
SJC
- BOI
Nonstop1h 39m
Alaska Airlines
Deal found 1/30![Alaska Airlines logo]()
$109
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 1월 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Southwest) |
One-way from | $79 (Alaska Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $301 |
Good round-trip deal | $185 or less |
Good one-way deal | $73 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 1월 31, 2026.
Use the filters below to find and compare flights from San Jose to Idaho that are best for you.
Fly from
San Jose
Fly to
Idaho
Route
Depart
Return
Price
San JoseBoise
SJC - BOI
SJCBOI
San Jose
금 5/1
7:41 pm-10:24 pm
Nonstop1h 43m
Boise Air Term. Gowen Fld
일 5/3
10:22 am-11:17 am
Nonstop1h 55m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
화 2/24
11:40 am-2:20 pm
Nonstop1h 40m
Boise Air Term. Gowen Fld
토 2/28
12:50 pm-1:40 pm
Nonstop1h 50m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
금 4/10
7:22 pm-10:07 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
월 4/13
9:02 am-10:02 am
Nonstop2h 00m
$157
San JoseBoise
SJC - BOI
SJCBOI
San Jose
수 2/25
5:01 pm-7:40 pm
Nonstop1h 39m
Boise Air Term. Gowen Fld
화 3/3
1:00 pm-5:09 pm
1 stop5h 09m
$167
San JoseBoise
SJC - BOI
SJCBOI
San Jose
월 2/23
9:45 am-12:20 pm
Nonstop1h 35m
Boise Air Term. Gowen Fld
금 2/27
2:55 pm-3:45 pm
Nonstop1h 50m
$175
San JoseBoise
SJC - BOI
SJCBOI
San Jose
일 3/15
7:15 am-1:05 pm
1 stop4h 50m
Boise Air Term. Gowen Fld
토 3/21
10:09 am-3:59 pm
1 stop6h 50m
$177
San JoseBoise
SJC - BOI
SJCBOI
San Jose
수 3/25
6:15 pm-11:45 pm
1 stop4h 30m
Boise Air Term. Gowen Fld
월 3/30
10:35 am-2:57 pm
1 stop5h 22m
$177
San JoseBoise
SJC - BOI
SJCBOI
San Jose
월 2/23
3:45 pm-10:45 pm
1 stop6h 00m
Boise Air Term. Gowen Fld
금 2/27
1:51 pm-5:38 pm
1 stop4h 47m
$177
San JoseBoise
SJC - BOI
SJCBOI
San Jose
화 3/31
6:15 pm-11:45 pm
1 stop4h 30m
Boise Air Term. Gowen Fld
목 4/16
7:05 am-1:17 pm
1 stop7h 12m
$177
San JoseBoise
SJC - BOI
SJCBOI
San Jose
수 2/25
2:25 pm-9:56 pm
1 stop6h 31m
Boise Air Term. Gowen Fld
월 3/2
1:51 pm-5:38 pm
1 stop4h 47m
$177
Showing 1-10 of 60 results
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-BOI
SJC-GEG
SJC-JAC
SJC-IDA
SJC-SUN
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-BOI
SJC-GEG
SJC-JAC
SJC-IDA
What is the cheapest month to book a flight from San Jose, California to Idaho?
Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $78). Flying from San Jose, California to Idaho in December is currently the most expensive (average of $155). 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 1월 31, 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.
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 January 24, 2026.
Travelers seeking maximum savings on their San Jose, California to Idaho flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Jose, California to Idaho
Explore weekly flight availability from San Jose to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1월 31, 2026.
The most flights from SJC to USID are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
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 1월 31, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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
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Alternative routes for San Jose to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
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 1월 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$147 | Average$307 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$303 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$161 | Average$411 | FlexibilityNo cancel fee | On-timeN/A |