$104+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
may. 29 — jun. 51
Round-trip
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 abril 29, 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 abril 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
sáb. 5/307:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
mié. 6/310:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 4/25. 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.
jue. 5/286:35 am
SJC
- BOI
1 stop5h 05m
Southwest
lun. 6/11:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 4/25![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 4/25. 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.
vie. 5/296:00 am
SJC
- BOI
1 stop4h 56m
Delta
vie. 6/56:41 pm
BOI
- SJC
1 stop6h 00m
Delta
Deal found 4/25![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/198:00 am
SJC
- GEG
1 stop3h 52m
Alaska Airlines
mar. 5/191:59 pm
GEG
- SJC
1 stop6h 01m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/66:05 am
SJC
- BOI
2 stops9h 25m
Southwest
mar. 6/92:05 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 4/27![Southwest logo]()
$228
This Delta deal was found by Cheapflights users on 4/28. 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.
sáb. 5/239:40 am
SJC
- GEG
1 stop6h 18m
Delta
mié. 5/279:30 am
GEG
- SJC
1 stop7h 35m
Delta
Deal found 4/28![Delta logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
vie. 5/297:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
sáb. 6/610:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 4/25. 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.
jue. 6/47:35 pm
SJC
- GEG
1 stop4h 55m
Southwest
mar. 6/95:00 am
GEG
- SJC
2 stops8h 15m
Southwest
Deal found 4/25![Southwest logo]()
$238
This CheapOair deal was found by Cheapflights users on 4/28. 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.
mar. 6/97:06 am
SJC
- GEG
1 stop14h 39m
Alaska Airlines
mar. 6/167:24 pm
GEG
- SJC
1 stop13h 08m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/16:55 pm
SJC
- BOI
1 stop5h 05m
Southwest
vie. 6/512:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 4/27![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/165:55 pm
SJC
- GEG
1 stop4h 34m
Delta
mar. 5/194:15 pm
GEG
- SJC
1 stop6h 21m
Delta
Deal found 4/27![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
mar. 6/96:53 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
mié. 6/177:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$252
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 abril 29, 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 abril 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
vie. 6/57:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
dom. 6/710:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 7/109:45 am
SJC
- GEG
1 stop6h 23m
Delta
lun. 7/134:16 pm
GEG
- SJC
1 stop5h 57m
Delta
Deal found 4/29![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 4/26. 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.
mar. 6/96:20 pm
SJC
- GEG
1 stop5h 45m
Southwest
sáb. 6/1311:15 am
GEG
- SJC
Nonstop2h 10m
Southwest
Deal found 4/26![Southwest logo]()
$258
This United Airlines deal was found by Cheapflights users on 4/27. 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.
sáb. 5/302:45 pm
SJC
- SUN
1 stop5h 41m
United Airlines
mié. 6/32:38 pm
SUN
- SJC
1 stop7h 31m
United Airlines
Deal found 4/27![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 4/24. 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.
mar. 6/166:12 pm
SJC
- GEG
1 stop5h 53m
Delta
sáb. 6/201:19 pm
GEG
- SJC
1 stop5h 05m
Delta
Deal found 4/24![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 4/25. 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.
mié. 7/85:55 pm
SJC
- GEG
1 stop6h 00m
Delta
vie. 7/105:37 pm
GEG
- SJC
1 stop5h 16m
Delta
Deal found 4/25![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 4/29. 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.
mié. 6/34:30 pm
SJC
- GEG
2 stops6h 55m
Southwest
mié. 6/105:00 am
GEG
- SJC
2 stops8h 15m
Southwest
Deal found 4/29![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 4/28. 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.
mar. 6/94:00 pm
SJC
- GEG
2 stops7h 45m
Southwest
jue. 6/112:15 pm
GEG
- SJC
1 stop6h 10m
Southwest
Deal found 4/28![Southwest logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/236:00 pm
SJC
- BOI
1 stop4h 58m
Alaska Airlines
mar. 5/266:12 pm
BOI
- SJC
1 stop5h 47m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 4/25. 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.
sáb. 7/259:45 am
SJC
- GEG
1 stop6h 23m
Delta
dom. 8/25:20 am
GEG
- SJC
1 stop7h 25m
Delta
Deal found 4/25![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 4/28. 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.
vie. 6/52:05 pm
SJC
- BOI
1 stop3h 40m
Southwest
dom. 6/78:20 pm
BOI
- SJC
Nonstop1h 40m
Southwest
Deal found 4/28![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
lun. 5/258:00 am
SJC
- GEG
1 stop3h 52m
Alaska Airlines
jue. 5/2812:46 pm
GEG
- SJC
1 stop4h 20m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/25. 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.
mar. 5/127:36 am
SJC
- GEG
1 stop4h 37m
Delta
mar. 5/125:37 pm
GEG
- SJC
1 stop4h 59m
Delta
Deal found 4/25![Delta logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
mié. 6/246:17 am
SJC
- BOI
1 stop5h 30m
Alaska Airlines
mar. 6/308:00 pm
BOI
- SJC
1 stop4h 54m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/16:55 pm
SJC
- BOI
1 stop5h 05m
Southwest
vie. 6/54:25 pm
BOI
- SJC
2 stops8h 00m
Southwest
Deal found 4/27![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 4/25. 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.
sáb. 5/167:36 am
SJC
- BOI
1 stop6h 07m
Delta
dom. 5/176:00 am
BOI
- SJC
1 stop3h 58m
Delta
Deal found 4/25![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/268:45 am
SJC
- JAC
1 stop8h 09m
United Airlines
jue. 5/284:23 pm
JAC
- SJC
1 stop5h 46m
United Airlines
Deal found 4/28![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
mar. 8/1812:03 pm
SJC
- JAC
1 stop24h 27m
Alaska Airlines
sáb. 8/223:10 pm
JAC
- SJC
1 stop4h 59m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 4/26. 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.
sáb. 5/164:25 pm
SJC
- GEG
1 stop5h 10m
Southwest
lun. 5/1810:45 am
GEG
- SJC
Nonstop2h 05m
Southwest
Deal found 4/26![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 4/26. 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.
jue. 6/254:35 pm
SJC
- GEG
1 stop7h 30m
Delta
dom. 7/267:08 pm
GEG
- SJC
1 stop4h 31m
Delta
Deal found 4/26![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 4/26. 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.
mar. 6/22:20 pm
SJC
- BOI
2 stops8h 10m
Southwest
mar. 6/2311:30 am
BOI
- SJC
2 stops8h 40m
Southwest
Deal found 4/26![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 4/26. 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.
vie. 5/222:49 pm
SJC
- BOI
1 stop7h 09m
Delta
sáb. 5/303:14 pm
BOI
- SJC
1 stop5h 51m
Delta
Deal found 4/26![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 4/28. 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.
mié. 5/276:00 am
SJC
- WYS
1 stop5h 25m
Delta
sáb. 5/3011:15 am
WYS
- SJC
1 stop5h 54m
Delta
Deal found 4/28![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
sáb. 5/168:00 am
SJC
- IDA
1 stop6h 26m
Alaska Airlines
mar. 5/191:54 pm
IDA
- SJC
1 stop7h 06m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/312:51 pm
SJC
- JAC
1 stop7h 11m
United Airlines
sáb. 10/104:25 pm
JAC
- SJC
1 stop5h 39m
United Airlines
Deal found 4/29![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 4/25. 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.
sáb. 5/306:00 am
SJC
- WYS
1 stop3h 38m
Delta
mar. 6/21:10 pm
WYS
- SJC
1 stop6h 10m
Delta
Deal found 4/25![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 4/24. 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.
jue. 7/164:30 pm
SJC
- BOI
1 stop5h 31m
Delta
vie. 7/176:07 pm
BOI
- SJC
1 stop5h 49m
Delta
Deal found 4/24![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
jue. 7/238:00 am
SJC
- IDA
1 stop4h 06m
Alaska Airlines
lun. 7/274:14 pm
IDA
- SJC
1 stop4h 18m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
lun. 7/68:00 am
SJC
- IDA
1 stop4h 06m
Alaska Airlines
mar. 7/147:15 am
IDA
- SJC
2 stops12h 56m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 4/29. 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.
lun. 6/226:00 am
SJC
- IDA
1 stop3h 43m
Delta
lun. 6/296:00 am
IDA
- SJC
1 stop4h 02m
Delta
Deal found 4/29![Delta logo]()
$335
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated abril 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated abril 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/162:51 pm
SJC
- GEG
1 stop6h 22m
Delta
lun. 5/184:13 pm
GEG
- SJC
1 stop6h 01m
Delta
Deal found 4/27![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/198:00 am
SJC
- GEG
1 stop3h 52m
Alaska Airlines
mar. 5/191:59 pm
GEG
- SJC
1 stop6h 01m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 4/28. 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.
sáb. 5/235:55 pm
SJC
- GEG
1 stop4h 34m
Delta
jue. 5/281:11 pm
GEG
- SJC
1 stop6h 54m
Delta
Deal found 4/28![Delta logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 5/237:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
mar. 5/266:12 pm
BOI
- SJC
1 stop5h 47m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$257
This iWofly deal was found by Cheapflights users on 4/27. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/277:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
sáb. 5/3010:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 4/25. 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.
jue. 5/286:35 am
SJC
- BOI
1 stop5h 05m
Southwest
lun. 6/11:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 4/25![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 4/25. 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.
vie. 5/292:49 pm
SJC
- BOI
1 stop7h 09m
Delta
lun. 6/84:00 pm
BOI
- SJC
1 stop7h 16m
Delta
Deal found 4/25![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 4/25. 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.
vie. 5/293:40 pm
SJC
- BOI
Nonstop1h 40m
Southwest
lun. 6/11:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 4/25![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 4/24. 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.
vie. 5/294:12 pm
SJC
- GEG
1 stop7h 06m
Delta
dom. 5/315:35 am
GEG
- SJC
1 stop7h 13m
Delta
Deal found 4/24![Delta logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
sáb. 5/307:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
mié. 6/310:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
sáb. 5/306:00 pm
SJC
- BOI
1 stop4h 58m
Alaska Airlines
mar. 6/910:00 am
BOI
- SJC
Nonstop1h 53m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 4/24. 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.
sáb. 5/307:25 am
SJC
- GEG
1 stop5h 00m
Southwest
mié. 6/310:55 am
GEG
- SJC
2 stops6h 30m
Southwest
Deal found 4/24![Southwest logo]()
$254
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 abril 29, 2026.
Search for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated abril 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/267:59 pm
SJC
- BOI
Nonstop1h 44m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$104
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 5/235:55 pm
SJC
- BOI
1 stop4h 09m
Delta
Deal found 4/29![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/246:12 pm
SJC
- GEG
1 stop5h 50m
Delta
Deal found 4/27![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/301:25 pm
SJC
- BOI
2 stops6h 00m
Southwest
Deal found 4/27![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/166:15 am
SJC
- GEG
2 stops8h 00m
Southwest
Deal found 4/27![Southwest logo]()
$122
This Delta deal was found by Cheapflights users on 4/28. 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.
mié. 5/274:59 pm
SJC
- BOI
1 stop6h 05m
Delta
Deal found 4/28![Delta logo]()
$124
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/176:20 pm
SJC
- GEG
1 stop5h 45m
Southwest
Deal found 4/27![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 4/26. 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.
dom. 5/2410:50 am
SJC
- BOI
Nonstop1h 40m
Southwest
Deal found 4/26![Southwest logo]()
$134
This Delta deal was found by Cheapflights users on 4/26. 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.
mié. 6/249:45 am
SJC
- JAC
1 stop6h 15m
Delta
Deal found 4/26![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 4/25. 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.
vie. 5/229:40 am
SJC
- GEG
1 stop6h 18m
Delta
Deal found 4/25![Delta logo]()
$140
This Southwest deal was found by Cheapflights users on 4/26. 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.
sáb. 6/1312:45 pm
SJC
- GEG
Nonstop2h 00m
Southwest
Deal found 4/26![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/263:15 pm
SJC
- BOI
1 stop7h 15m
Southwest
Deal found 4/27![Southwest logo]()
$144
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 abril 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $104 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $281 |
Good round-trip deal | $300 or less |
Good one-way deal | $148 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 abril 29, 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
Quickest round-trip
San JoseBoise
SJC - BOI
SJCBOI
San Jose
vie. 6/5
7:59 pm-10:43 pm
Nonstop1h 44m
Boise Air Term. Gowen Fld
dom. 6/7
10:00 am-10:53 am
Nonstop1h 53m
$207
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
vie. 7/10
9:45 am-4:08 pm
1 stop6h 23m
Spokane
lun. 7/13
4:16 pm-10:13 pm
1 stop5h 57m
$233
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mar. 6/16
6:12 pm-12:05 am
1 stop5h 53m
Spokane
sáb. 6/20
1:19 pm-6:24 pm
1 stop5h 05m
$233
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mié. 7/8
5:55 pm-11:55 pm
1 stop6h 00m
Spokane
vie. 7/10
5:37 pm-10:53 pm
1 stop5h 16m
$233
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
sáb. 7/25
9:45 am-4:08 pm
1 stop6h 23m
Spokane
dom. 8/2
5:20 am-12:45 pm
1 stop7h 25m
$256
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mar. 6/9
6:20 pm-12:05 am
1 stop5h 45m
Spokane
sáb. 6/13
11:15 am-1:25 pm
Nonstop2h 10m
$258
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mié. 6/3
4:30 pm-11:25 pm
2 stops6h 55m
Spokane
mié. 6/10
5:00 am-1:15 pm
2 stops8h 15m
$259
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mar. 6/9
4:00 pm-11:45 pm
2 stops7h 45m
Spokane
jue. 6/11
2:15 pm-8:25 pm
1 stop6h 10m
$261
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
mar. 5/12
7:36 am-12:13 pm
1 stop4h 37m
Spokane
mar. 5/12
5:37 pm-10:36 pm
1 stop4h 59m
$265
San JoseBoise
SJC - BOI
SJCBOI
San Jose
sáb. 5/16
7:36 am-2:43 pm
1 stop6h 07m
Boise Air Term. Gowen Fld
dom. 5/17
6:00 am-8:58 am
1 stop3h 58m
$272
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-BOI
SJC-GEG
SJC-SUN
SJC-JAC
SJC-WYS
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-SUN
SJC-JAC
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 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 February is currently the most expensive (average of $157). 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 abril 29, 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 at noon could potentially save you up to 24% 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 April 25, 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.
How much does it cost to fly round-trip from San Jose, California to Idaho?
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 abril 29, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, 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.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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Complete your trip
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San Jose and Idaho flights
Browse other San Jose and Idaho flight options. Last updated on abril 29, 2026.
Popular flight searches
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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 abril 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$187 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$126 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$307 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$314 | FlexibilityNo cancel fee | On-time63% |