$89+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:59 pm -
1 stop21h 49m
Mon 1/45:33 pm -
1 stop19h 39m
Deal found 10/28![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:59 pm -
1 stop21h 49m
Wed 12/305:33 pm -
1 stop24h 31m
Deal found 10/27![Frontier logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/175:21 pm -
Nonstop1h 44m
Thu 11/198:03 am -
Nonstop1h 59m
Deal found 10/27![Alaska Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/1711:30 am -
1 stop4h 49m
Thu 11/198:55 am -
1 stop6h 03m
Deal found 10/27![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 12/319:46 am -
1 stop6h 59m
Mon 1/48:44 am -
1 stop5h 47m
Deal found 10/30![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/103:23 pm -
1 stop6h 04m
Sun 12/134:47 pm -
1 stop26h 04m
Deal found 10/30![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/315:04 pm -
Nonstop1h 37m
Mon 1/410:18 am -
Nonstop2h 00m
Deal found 10/30![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/268:00 pm -
1 stop12h 56m
Thu 12/38:30 am -
Nonstop2h 07m
Deal found 10/29![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/26:00 am -
1 stop5h 39m
Tue 12/89:08 am -
1 stop4h 54m
Deal found 10/26![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/145:09 pm -
1 stop17h 00m
Mon 12/2110:43 am -
1 stop14h 16m
Deal found 10/30![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/199:42 pm -
1 stop11h 19m
Wed 12/236:47 pm -
1 stop20h 08m
Deal found 10/30![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 54m
Tue 12/13:44 pm -
1 stop5h 04m
Deal found 10/26![Alaska Airlines logo]()
$422
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 October 30, 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 October 30, 2026.
This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 11/189:38 am -
1 stop4h 20m
Fri 11/206:40 am -
1 stop8h 18m
Deal found 10/28![Delta logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/315:04 pm -
Nonstop1h 37m
Mon 1/410:18 am -
Nonstop2h 00m
Deal found 10/28![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 10/27. 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.
Sat 2/1312:30 pm -
Nonstop1h 40m
Thu 2/1811:20 am -
1 stop6h 45m
Deal found 10/27![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/255:04 pm -
Nonstop1h 37m
Tue 12/295:35 am -
1 stop4h 23m
Deal found 10/29![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 12/45:08 pm -
Nonstop1h 47m
Sun 12/64:47 pm -
1 stop5h 09m
Deal found 10/27![Alaska Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/25:54 pm -
1 stop5h 10m
Tue 12/89:08 am -
2 stops8h 15m
Deal found 10/26![Delta logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/242:51 pm -
1 stop4h 21m
Fri 12/254:23 pm -
1 stop4h 29m
Deal found 10/27![Alaska Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/222:26 pm -
1 stop6h 13m
Sun 1/37:00 am -
1 stop7h 24m
Deal found 10/29![United Airlines logo]()
$683
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 2/255:03 pm -
Nonstop1h 42m
Sun 2/2810:00 am -
Nonstop1h 56m
Deal found 10/28![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 2/259:05 am -
2 stops8h 09m
Sun 2/286:00 am -
2 stops7h 54m
Deal found 10/27![Delta logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/145:09 pm -
1 stop17h 00m
Mon 12/2110:43 am -
1 stop14h 16m
Deal found 10/30![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/114:54 pm -
1 stop4h 05m
Sun 11/151:11 pm -
1 stop3h 42m
Deal found 10/27![Delta logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 54m
Tue 12/13:44 pm -
1 stop5h 04m
Deal found 10/26![Alaska Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 11/145:54 pm -
1 stop5h 09m
Wed 11/189:08 am -
1 stop4h 50m
Deal found 10/29![Delta logo]()
$526
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/105:54 pm -
1 stop5h 09m
Sat 11/149:08 am -
1 stop4h 50m
Deal found 10/26![Delta logo]()
$526
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/127:40 am -
1 stop4h 36m
Mon 11/161:53 pm -
1 stop7h 51m
Deal found 10/28![Alaska Airlines logo]()
$451
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:03 am -
1 stop6h 15m
Wed 11/183:55 pm -
1 stop6h 56m
Deal found 10/30![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/214:54 pm -
1 stop4h 17m
Fri 11/277:20 am -
2 stops7h 56m
Deal found 10/30![Delta logo]()
$673
This Expedia deal was found by Cheapflights users on 10/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:39 am -
1 stop23h 12m
Sun 11/1511:33 am -
1 stop6h 30m
Deal found 10/26![Alaska Airlines logo]()
$537
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:43 pm -
1 stop14h 08m
Sat 11/1411:33 am -
1 stop5h 18m
Deal found 10/26![Alaska Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/146:00 am -
1 stop5h 21m
Wed 11/181:17 pm -
1 stop3h 36m
Deal found 10/30![Delta logo]()
$717
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 11/214:54 pm -
1 stop4h 17m
Sat 11/287:20 am -
1 stop6h 33m
Deal found 10/27![Delta logo]()
$737
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 54m
Mon 11/303:46 pm -
2 stops23h 08m
Deal found 10/26![Alaska Airlines logo]()
$555
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:58 pm -
2 stops18h 58m
Fri 11/2711:38 am -
2 stops8h 14m
Deal found 10/26![Alaska Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/114:54 pm -
1 stop4h 25m
Sun 11/156:13 am -
1 stop3h 55m
Deal found 10/27![Delta logo]()
$895
This Orbitz deal was found by Cheapflights users on 10/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:15 pm -
2 stops20h 54m
Sat 11/283:46 pm -
1 stop18h 33m
Deal found 10/26![Alaska Airlines logo]()
$801
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated October 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/74:47 pm -
1 stop5h 07m
Wed 11/111:53 pm -
1 stop5h 54m
Deal found 10/28![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/112:57 pm -
2 stops6h 02m
Sun 11/151:11 pm -
1 stop3h 42m
Deal found 10/27![Delta logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/127:40 am -
1 stop4h 36m
Mon 11/161:53 pm -
1 stop7h 51m
Deal found 10/28![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/175:21 pm -
Nonstop1h 44m
Thu 11/198:03 am -
Nonstop1h 59m
Deal found 10/27![Alaska Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/1711:30 am -
1 stop4h 49m
Thu 11/198:55 am -
1 stop6h 03m
Deal found 10/27![Delta logo]()
$215
This Southwest deal was found by Cheapflights users on 10/26. 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.
Tue 11/1710:25 am -
Nonstop1h 40m
Thu 11/1912:40 pm -
Nonstop1h 50m
Deal found 10/26![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/182:40 pm -
1 stop6h 46m
Fri 11/206:45 pm -
1 stop6h 09m
Deal found 10/29![Delta logo]()
$235
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:21 pm -
Nonstop1h 44m
Fri 11/204:20 pm -
1 stop7h 20m
Deal found 10/28![Alaska Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 10/26. 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.
Thu 11/1910:25 am -
Nonstop1h 40m
Mon 11/238:30 pm -
1 stop4h 25m
Deal found 10/26![Southwest logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/268:00 pm -
1 stop12h 56m
Thu 12/38:30 am -
Nonstop2h 07m
Deal found 10/29![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 54m
Tue 12/13:44 pm -
1 stop5h 04m
Deal found 10/26![Alaska Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 54m
Mon 11/303:46 pm -
1 stop18h 12m
Deal found 10/26![Alaska Airlines logo]()
$507
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 October 30, 2026.
Search for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2612:58 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$89
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:21 pm -
Nonstop1h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$98
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1112:58 pm -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$99
This Southwest deal was found by Cheapflights users on 10/26. 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.
Wed 12/212:40 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$108
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:23 pm -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/283:25 pm -
2 stops48h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$114
This Southwest deal was found by Cheapflights users on 10/28. 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.
Fri 12/410:25 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$118
This Southwest deal was found by Cheapflights users on 10/26. 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.
Fri 12/1810:35 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$119
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/272:57 pm -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$128
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 12/185:54 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$129
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:59 am -
1 stop22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$214
This Expedia deal was found by Cheapflights users on 10/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:15 pm -
2 stops20h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$215
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Cheapflightsfares) |
One-way from | $89 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $367 |
Good round-trip deal | $307 or less |
Good one-way deal | $128 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 October 30, 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 San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Thu 12/10
10:25 am-1:05 pm
Nonstop1h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$98
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 12/7
2:42 pm-10:24 pm
1 stop6h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$108
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Thu 2/11
6:00 am-3:45 pm
2 stops8h 45m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Thu 11/26
8:00 pm-3:28 pm
2 stops18h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 11/9
9:39 am-1:30 pm
1 stop26h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 4/19
10:30 am-8:00 pm
2 stops8h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
San JoseHailey
SJC San Jose - SUN Hailey Sun Valley-Friedman
SJCSUN
San Jose
Mon 12/7
11:59 am-11:09 am
1 stop22h 10m
Hailey Sun Valley-Friedman
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$214
San JoseIdaho Falls
SJC San Jose - IDA Idaho Falls Fanning Field
SJCIDA
San Jose
Wed 11/25
5:15 pm-3:09 pm
2 stops20h 54m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Mon 4/19
12:30 pm-11:59 pm
2 stops10h 29m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$217
San JoseBoise
SJC San Jose - BOI Boise Air Term. Gowen Fld
SJCBOI
San Jose
Fri 11/13
3:11 pm-10:39 pm
1 stop6h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$232
Showing 1-10 of 41 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-LWS
SJC-SUN
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-LWS
SJC-SUN
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 $415). 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 October 30, 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 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 $271 and $468 in February.The cheapest round-trip price found within the last 5 days was $180 on Frontier (Feb 25-Feb 28).
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 55 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 October 24, 2026.
Travelers seeking maximum savings on their San Jose, California to Idaho flight should consider departing on Sunday 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 October 30, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from San Jose to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Jose to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 October 30, 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$308 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$176 | Average$334 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$348 | Average$409 | FlexibilityNo cancel fee | On-timeN/A |