$110+ Cheap flights from San Jose, CA (SJC) to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Oct 15 — Oct 221
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 September 15, 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 September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/159:02 pm -
1 stop15h 53m
Thu 10/222:50 pm -
1 stop23h 30m
Deal found 9/13![Frontier logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:48 pm -
1 stop6h 11m
Wed 10/212:06 pm -
1 stop6h 54m
Deal found 9/10![Alaska Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:37 pm -
1 stop6h 45m
Sun 10/255:10 am -
1 stop5h 40m
Deal found 9/10![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:10 am -
Nonstop1h 40m
Sat 10/1011:10 am -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:37 pm -
1 stop6h 45m
Mon 10/265:10 am -
1 stop11h 52m
Deal found 9/10![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:35 pm -
1 stop7h 20m
Tue 10/2012:40 pm -
1 stop7h 00m
Deal found 9/14![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 9/13. 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 10/1310:10 am -
Nonstop1h 40m
Fri 10/1612:45 pm -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/214:40 pm -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 9/11. 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 11/139:05 am -
Nonstop1h 35m
Mon 11/161:05 pm -
2 stops8h 35m
Deal found 9/11![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 9/10. 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 10/236:15 pm -
1 stop5h 30m
Mon 10/2610:35 am -
Nonstop2h 10m
Deal found 9/10![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:35 pm -
1 stop7h 20m
Wed 10/75:40 am -
2 stops8h 40m
Deal found 9/15![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:42 pm -
1 stop6h 08m
Wed 10/75:38 pm -
1 stop5h 22m
Deal found 9/15![Delta logo]()
$263
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 September 15, 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 September 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 12/18:00 am -
1 stop15h 11m
Mon 12/75:43 pm -
1 stop18h 17m
Deal found 9/10![Alaska Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:37 pm -
1 stop6h 45m
Sun 10/255:10 am -
1 stop5h 40m
Deal found 9/10![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/2112:20 pm -
Nonstop1h 45m
Deal found 9/14![Southwest logo]()
$233
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 am -
1 stop5h 43m
Thu 11/1210:37 am -
1 stop5h 31m
Deal found 9/14![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 9/10. 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 12/210:25 am -
Nonstop1h 40m
Mon 12/712:40 pm -
Nonstop1h 50m
Deal found 9/10![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:18 pm -
Nonstop1h 42m
Wed 10/217:20 am -
Nonstop1h 57m
Deal found 9/14![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/13. 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 11/136:00 am -
1 stop3h 42m
Sun 11/156:00 am -
1 stop4h 08m
Deal found 9/13![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 9/11. 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 11/139:05 am -
Nonstop1h 35m
Mon 11/161:05 pm -
2 stops8h 35m
Deal found 9/11![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:18 pm -
Nonstop1h 42m
Sat 10/177:20 am -
1 stop5h 00m
Deal found 9/12![Alaska Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 9/11. 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 10/911:45 am -
Nonstop2h 05m
Fri 10/1610:35 am -
Nonstop2h 10m
Deal found 9/11![Southwest logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:18 pm -
1 stop13h 25m
Fri 10/167:46 pm -
1 stop13h 55m
Deal found 9/11![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:59 pm -
2 stops7h 26m
Tue 12/296:57 pm -
1 stop6h 02m
Deal found 9/15![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:51 pm -
1 stop5h 49m
Wed 10/2112:42 pm -
1 stop5h 19m
Deal found 9/12![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/298:45 am -
1 stop8h 04m
Sat 10/34:28 pm -
1 stop5h 20m
Deal found 9/13![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop5h 08m
Wed 10/75:37 pm -
1 stop5h 18m
Deal found 9/11![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop5h 25m
Sat 10/171:17 pm -
1 stop4h 03m
Deal found 9/14![Delta logo]()
$406
This Expedia deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:37 am -
1 stop11h 22m
Wed 10/281:58 pm -
1 stop5h 03m
Deal found 9/12![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:43 pm -
1 stop4h 38m
Wed 10/75:37 pm -
1 stop5h 18m
Deal found 9/12![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 pm -
1 stop5h 25m
Mon 10/510:35 am -
Nonstop2h 10m
Deal found 9/14![Southwest logo]()
$456
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:55 am -
1 stop4h 26m
Wed 10/211:58 pm -
1 stop5h 03m
Deal found 9/14![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
1 stop3h 47m
Sat 9/261:09 pm -
1 stop4h 04m
Deal found 9/14![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:15 pm -
1 stop7h 15m
Mon 10/510:35 am -
Nonstop2h 10m
Deal found 9/14![Southwest logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/32:08 pm -
2 stops22h 22m
Wed 10/72:05 pm -
1 stop7h 43m
Deal found 9/11![United Airlines logo]()
$639
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:39 am -
1 stop11h 15m
Sun 11/153:55 pm -
1 stop4h 51m
Deal found 9/15![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm -
1 stop3h 38m
Sat 10/176:04 am -
1 stop4h 03m
Deal found 9/14![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:47 pm -
1 stop5h 07m
Wed 11/111:53 pm -
1 stop5h 54m
Deal found 9/12![Alaska Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:45 am -
1 stop8h 04m
Sat 10/104:28 pm -
1 stop5h 20m
Deal found 9/14![United Airlines logo]()
$697
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 10/86:33 am -
1 stop16h 17m
Sun 10/117:19 am -
1 stop7h 36m
Deal found 9/11![Alaska Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 9/281:00 pm -
1 stop7h 25m
Fri 10/22:38 pm -
1 stop7h 20m
Deal found 9/13![United Airlines logo]()
$721
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:51 pm -
2 stops22h 29m
Fri 11/63:55 pm -
1 stop4h 51m
Deal found 9/15![Alaska Airlines logo]()
$413
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated September 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:35 pm -
1 stop7h 20m
Wed 10/75:40 am -
2 stops8h 40m
Deal found 9/15![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:42 pm -
1 stop6h 08m
Wed 10/75:38 pm -
1 stop5h 22m
Deal found 9/15![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 9/13. 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 10/710:10 am -
Nonstop1h 40m
Sat 10/1011:10 am -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:35 pm -
1 stop7h 20m
Tue 10/2012:40 pm -
1 stop7h 00m
Deal found 9/14![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 9/13. 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 10/1310:10 am -
Nonstop1h 40m
Fri 10/1612:45 pm -
Nonstop1h 45m
Deal found 9/13![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/159:02 pm -
1 stop15h 53m
Thu 10/222:50 pm -
1 stop23h 30m
Deal found 9/13![Frontier logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:48 pm -
1 stop6h 11m
Wed 10/212:06 pm -
1 stop6h 54m
Deal found 9/10![Alaska Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:45 pm -
Nonstop1h 40m
Wed 10/214:40 pm -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 9/10. 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 10/236:15 pm -
1 stop5h 30m
Mon 10/2610:35 am -
Nonstop2h 10m
Deal found 9/10![Southwest logo]()
$256
This Expedia deal was found by Cheapflights users on 9/10. 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.
Fri 10/236:18 pm -
1 stop13h 25m
Mon 10/267:19 am -
1 stop7h 36m
Deal found 9/10![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:37 pm -
1 stop6h 45m
Sun 10/255:10 am -
1 stop5h 40m
Deal found 9/10![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:37 pm -
1 stop6h 45m
Mon 10/265:10 am -
1 stop11h 52m
Deal found 9/10![Delta logo]()
$233
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 September 15, 2026.
Search for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Priceline deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:39 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$110
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:10 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 11/95:21 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$119
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:59 am -
1 stop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:37 pm -
1 stop4h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$122
This Southwest deal was found by Cheapflights users on 9/10. 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 12/108:00 am -
2 stops6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/89:02 pm -
1 stop15h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:10 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:39 am -
1 stop12h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 9/11. 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 10/77:33 pm -
1 stop4h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 12/147:39 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$130
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:02 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$132
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $175 (Kiwi.com) |
One-way from | $110 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $307 |
Good round-trip deal | $307 or less |
Good one-way deal | $118 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 7,457,451 searches. Data last updated September 15, 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 JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 11/9
5:21 pm-8:05 pm
Nonstop1h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
Quickest round-trip
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Wed 12/9
5:03 pm-7:45 pm
Nonstop1h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
San JoseSpokane
SJC San Jose - GEG Spokane
SJCGEG
San Jose
Tue 11/17
11:49 am-3:43 pm
1 stop3h 54m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 11/9
2:40 pm-10:26 pm
1 stop6h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Thu 10/15
7:00 am-2:47 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Wed 11/11
1:40 pm-10:26 pm
2 stops7h 46m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$137
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Sat 12/12
5:03 pm-7:45 pm
Nonstop1h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
San JoseSpokane
SJC San Jose - GEG Spokane
SJCGEG
San Jose
Wed 11/11
3:40 pm-9:29 pm
1 stop5h 49m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
San JoseSpokane
SJC San Jose - GEG Spokane
SJCGEG
San Jose
Fri 11/13
10:10 am-5:10 pm
1 stop7h 00m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
San JoseSpokane
SJC San Jose - GEG Spokane
SJCGEG
San Jose
Fri 11/13
6:15 am-11:30 am
1 stop5h 15m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
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-JAC
SJC-IDA
SJC-TWF
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, February is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $186). Flying from San Jose, California to Idaho in October is currently the most expensive (average of $367). 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 September 15, 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 evening could potentially save you up to 11% on airfare.
How much does it cost to fly round-trip from San Jose, California to Idaho?
Airfare is below average for this route at the moment.
San Jose, California to Idaho flights typically cost between $217 and $363 in October.The cheapest round-trip price found within the last 5 days was $175 on Frontier (Oct 15-Oct 22).
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 51 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 September 12, 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 September 15, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
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Alternative routes for San Jose to Idaho
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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 September 15, 2026.
Popular flight searches
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San Jose to Idaho flights
Consider these flights traveling from San Jose to Idaho.
Top 3 airlines flying from San Jose to Idaho
Discover the top 3 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$307 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$175 | Average$327 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$329 | Average$404 | FlexibilityNo cancel fee | On-timeN/A |