$72+ Cheap flights from San Jose, CA (SJC) to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOI
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to Idaho
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to IdahoExplore the most affordable flight options available from San Jose to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 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 June 15, 2026.
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Tue 8/187:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$143
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Mon 8/107:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$157
This Priceline deal was found by Cheapflights users on 6/10. 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.
Mon 10/266:14 pm
SJC
- BOI
Nonstop1h 42m
Alaska Airlines
Fri 10/307:20 am
BOI
- SJC
Nonstop1h 57m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/257:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Wed 8/266:49 pm
BOI
- SJC
1 stop5h 07m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$190
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Sun 9/207:00 am
BOI
- SJC
Nonstop1h 52m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/911:37 am
SJC
- GEG
1 stop7h 37m
Delta
Thu 8/139:25 am
GEG
- SJC
1 stop7h 37m
Delta
Deal found 6/10![Delta logo]()
$210
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:48 pm
SJC
- BOI
Nonstop1h 45m
American Airlines
Wed 8/127:37 am
BOI
- SJC
Nonstop1h 55m
American Airlines
Deal found 6/11![American Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/105:28 pm
SJC
- BOI
1 stop5h 36m
Alaska Airlines
Wed 8/127:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 8/111:35 pm
SJC
- BOI
Nonstop1h 35m
Southwest
Tue 8/187:40 am
BOI
- SJC
2 stops7h 35m
Southwest
Deal found 6/11![Southwest logo]()
$216
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Sun 8/307:00 am
BOI
- SJC
Nonstop1h 52m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/115:12 pm
SJC
- BOI
1 stop5h 47m
Delta
Tue 8/188:59 am
BOI
- SJC
1 stop6h 06m
Delta
Deal found 6/11![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 8/217:21 am
SJC
- GEG
1 stop4h 47m
Delta
Sun 8/235:15 am
GEG
- SJC
1 stop5h 42m
Delta
Deal found 6/10![Delta logo]()
$223
Best flights from San Jose to IdahoDiscover carefully curated flight deals from San Jose to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 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 June 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/255:06 pm
SJC
- GEG
1 stop5h 43m
Alaska Airlines
Wed 8/267:03 am
GEG
- SJC
1 stop6h 27m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/212:55 pm
SJC
- GEG
1 stop4h 20m
Delta
Fri 7/247:00 am
GEG
- SJC
1 stop7h 15m
Delta
Deal found 6/14![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 8/96:25 am
SJC
- GEG
1 stop5h 00m
Southwest
Thu 8/133:40 pm
GEG
- SJC
Nonstop2h 10m
Southwest
Deal found 6/10![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:45 am
SJC
- JAC
1 stop5h 43m
United Airlines
Wed 8/267:00 am
JAC
- SJC
1 stop7h 08m
United Airlines
Deal found 6/10![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 10/47:21 am
SJC
- BOI
1 stop6h 51m
Delta
Thu 10/812:42 pm
BOI
- SJC
1 stop5h 15m
Delta
Deal found 6/10![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 6/14. 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.
Thu 9/107:00 am
SJC
- BOI
1 stop6h 44m
Delta
Mon 9/144:00 pm
BOI
- SJC
1 stop7h 13m
Delta
Deal found 6/14![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 6/12. 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 9/511:30 am
SJC
- GEG
Nonstop2h 10m
Southwest
Sat 9/193:15 pm
GEG
- SJC
Nonstop2h 10m
Southwest
Deal found 6/12![Southwest logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 8/107:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Wed 8/127:37 am
BOI
- SJC
Nonstop1h 55m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 6/15. 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.
Fri 9/181:35 pm
SJC
- GEG
Nonstop2h 00m
Southwest
Mon 9/215:35 pm
GEG
- SJC
1 stop4h 45m
Southwest
Deal found 6/15![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 6/14. 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 8/266:00 am
SJC
- WYS
1 stop5h 27m
Delta
Mon 8/311:09 pm
WYS
- SJC
1 stop3h 57m
Delta
Deal found 6/14![Delta logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/67:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Tue 7/288:00 pm
BOI
- SJC
1 stop4h 55m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 10/46:10 am
SJC
- BOI
2 stops8h 25m
Southwest
Thu 10/81:50 pm
BOI
- SJC
1 stop6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$306
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:00 am
SJC
- IDA
1 stop4h 06m
Alaska Airlines
Wed 7/291:43 pm
IDA
- SJC
1 stop5h 10m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 6/14. 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.
Mon 7/66:00 am
SJC
- WYS
1 stop5h 28m
Delta
Thu 7/161:10 pm
WYS
- SJC
1 stop6h 16m
Delta
Deal found 6/14![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/15. 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.
Mon 7/137:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Thu 7/161:30 pm
GEG
- SJC
Nonstop2h 10m
Southwest
Deal found 6/15![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 6/10. 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.
Mon 7/64:35 pm
SJC
- BOI
Nonstop1h 30m
Southwest
Fri 7/1012:20 pm
BOI
- SJC
Nonstop1h 45m
Southwest
Deal found 6/10![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/186:17 am
SJC
- JAC
1 stop27h 58m
Alaska Airlines
Sat 8/223:10 pm
JAC
- SJC
1 stop8h 46m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/10. 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 7/257:00 am
SJC
- JAC
1 stop5h 19m
Delta
Wed 7/296:05 pm
JAC
- SJC
1 stop6h 34m
Delta
Deal found 6/10![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 6/13. 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 7/2911:55 am
SJC
- BOI
Nonstop1h 30m
Southwest
Mon 8/37:40 pm
BOI
- SJC
1 stop4h 50m
Southwest
Deal found 6/13![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 6/14. 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.
Mon 7/275:45 pm
SJC
- GEG
2 stops7h 40m
Southwest
Thu 8/61:10 pm
GEG
- SJC
2 stops8h 00m
Southwest
Deal found 6/14![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:45 am
SJC
- WYS
1 stop5h 41m
United Airlines
Sun 8/304:44 pm
WYS
- SJC
1 stop25h 47m
United Airlines
Deal found 6/12![United Airlines logo]()
$576
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 10/277:44 pm
SJC
- IDA
2 stops18h 51m
Alaska Airlines
Sat 10/314:12 pm
IDA
- SJC
1 stop4h 30m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 8/15:01 pm
SJC
- IDA
1 stop4h 31m
Delta
Thu 8/67:00 pm
IDA
- SJC
1 stop5h 44m
Delta
Deal found 6/12![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 6/10. 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 7/167:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Sun 7/195:00 am
GEG
- SJC
2 stops7h 10m
Southwest
Deal found 6/10![Southwest logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:55 am
SJC
- IDA
1 stop4h 11m
Alaska Airlines
Mon 10/194:12 pm
IDA
- SJC
2 stops18h 42m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 7/185:01 pm
SJC
- SUN
1 stop4h 06m
Delta
Wed 7/221:10 pm
SUN
- SJC
1 stop3h 54m
Delta
Deal found 6/13![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 6/15. 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 7/75:00 pm
SJC
- GEG
1 stop6h 50m
Southwest
Sun 7/126:40 pm
GEG
- SJC
1 stop5h 15m
Southwest
Deal found 6/15![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 6/277:00 am
SJC
- JAC
1 stop5h 26m
Delta
Wed 7/11:15 pm
JAC
- SJC
1 stop3h 52m
Delta
Deal found 6/13![Delta logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 11/147:43 pm
SJC
- SUN
1 stop14h 08m
Alaska Airlines
Wed 11/1811:33 am
SUN
- SJC
1 stop6h 32m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 8/205:10 pm
SJC
- IDA
1 stop4h 22m
Delta
Tue 8/257:00 pm
IDA
- SJC
1 stop5h 44m
Delta
Deal found 6/13![Delta logo]()
$415
Last-minute flights from San Jose to IdahoDiscover last-minute flight deals from San Jose to Idaho. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Idaho. Data last updated June 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 6/297:00 pm
SJC
- GEG
1 stop6h 20m
Southwest
Thu 7/22:15 pm
GEG
- SJC
1 stop8h 40m
Southwest
Deal found 6/11![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 6/302:51 pm
SJC
- GEG
1 stop4h 28m
Delta
Thu 7/97:00 am
GEG
- SJC
1 stop7h 15m
Delta
Deal found 6/10![Delta logo]()
$249
This Expedia deal was found by Cheapflights users on 6/12. 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.
Fri 7/37:48 pm
SJC
- GEG
1 stop12h 03m
Alaska Airlines
Wed 7/157:45 pm
GEG
- SJC
1 stop4h 14m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 7/37:48 pm
SJC
- GEG
1 stop12h 03m
Alaska Airlines
Wed 7/87:45 pm
GEG
- SJC
1 stop13h 38m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 6/14. 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.
Mon 7/66:00 am
SJC
- WYS
1 stop5h 28m
Delta
Tue 7/141:10 pm
WYS
- SJC
1 stop3h 54m
Delta
Deal found 6/14![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 7/86:20 pm
SJC
- GEG
1 stop5h 50m
Southwest
Wed 7/155:00 am
GEG
- SJC
2 stops8h 15m
Southwest
Deal found 6/11![Southwest logo]()
$254
This CheapOair deal was found by Cheapflights users on 6/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:02 pm
SJC
- GEG
1 stop6h 05m
Alaska Airlines
Fri 7/177:45 pm
GEG
- SJC
1 stop4h 14m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/167:20 am
SJC
- GEG
1 stop4h 51m
Delta
Sat 7/184:30 pm
GEG
- SJC
1 stop6h 18m
Delta
Deal found 6/11![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 6/14. 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 7/167:10 pm
SJC
- GEG
1 stop6h 15m
Southwest
Tue 7/215:00 am
GEG
- SJC
1 stop5h 45m
Southwest
Deal found 6/14![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 6/14. 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 7/187:30 pm
SJC
- GEG
1 stop4h 40m
Southwest
Wed 7/2210:20 am
GEG
- SJC
2 stops7h 20m
Southwest
Deal found 6/14![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/217:20 am
SJC
- GEG
1 stop4h 51m
Delta
Fri 7/245:25 am
GEG
- SJC
1 stop5h 30m
Delta
Deal found 6/11![Delta logo]()
$233
This CheapOair deal was found by Cheapflights users on 6/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Wed 8/58:00 pm
BOI
- SJC
1 stop4h 55m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$286
One-way flights from San Jose to IdahoSearch for one-way flight options from San Jose to Idaho. Find affordable one-way fares based on user searches. Data last updated June 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 June 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/57:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$72
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$80
This Delta deal was found by Cheapflights users on 6/11. 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 8/511:37 am
SJC
- GEG
1 stop7h 37m
Delta
Deal found 6/11![Delta logo]()
$80
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/67:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$86
This Delta deal was found by Cheapflights users on 6/11. 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 8/82:40 pm
SJC
- GEG
1 stop6h 55m
Delta
Deal found 6/11![Delta logo]()
$94
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:48 pm
SJC
- BOI
Nonstop1h 45m
American Airlines
Deal found 6/10![American Airlines logo]()
$96
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 12/88:00 am
SJC
- GEG
2 stops6h 45m
Southwest
Deal found 6/11![Southwest logo]()
$99
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/77:48 pm
SJC
- BOI
Nonstop1h 45m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$100
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 9/82:55 pm
SJC
- GEG
2 stops8h 00m
Southwest
Deal found 6/11![Southwest logo]()
$105
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 9/112:35 pm
SJC
- GEG
1 stop4h 12m
Delta
Deal found 6/11![Delta logo]()
$107
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 9/97:49 pm
SJC
- BOI
Nonstop1h 36m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$109
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/47:21 am
SJC
- BOI
1 stop6h 57m
Delta
Deal found 6/10![Delta logo]()
$111
Find flight deals from San Jose to Idaho
Keep the following information in mind while searching for San Jose to Idaho flight deals. Data was last updated June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Expedia) |
One-way from | $72 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $382 |
Good round-trip deal | $320 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 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 JoseSpokane
SJC - GEG
SJCGEG
San Jose
Tue 8/25
5:06 pm-10:49 pm
1 stop5h 43m
Spokane
Wed 8/26
7:03 am-1:30 pm
1 stop6h 27m
$233
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Tue 7/21
2:55 pm-7:15 pm
1 stop4h 20m
Spokane
Fri 7/24
7:00 am-2:15 pm
1 stop7h 15m
$233
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Sun 10/4
7:21 am-3:12 pm
1 stop6h 51m
Boise Air Term. Gowen Fld
Thu 10/8
12:42 pm-4:57 pm
1 stop5h 15m
$237
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Thu 9/10
7:00 am-2:44 pm
1 stop6h 44m
Boise Air Term. Gowen Fld
Mon 9/14
4:00 pm-10:13 pm
1 stop7h 13m
$237
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Sun 8/9
6:25 am-11:25 am
1 stop5h 00m
Spokane
Thu 8/13
3:40 pm-5:50 pm
Nonstop2h 10m
$287
San JoseWest Yellowstone
SJC - WYS
SJCWYS
San Jose
Wed 8/26
6:00 am-12:27 pm
1 stop5h 27m
West Yellowstone
Mon 8/31
1:09 pm-4:06 pm
1 stop3h 57m
$294
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Sat 9/5
11:30 am-1:40 pm
Nonstop2h 10m
Spokane
Sat 9/19
3:15 pm-5:25 pm
Nonstop2h 10m
$299
San JoseSpokane
SJC - GEG
SJCGEG
San Jose
Fri 9/18
1:35 pm-3:35 pm
Nonstop2h 00m
Spokane
Mon 9/21
5:35 pm-10:20 pm
1 stop4h 45m
$299
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Mon 8/10
7:48 pm-10:33 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
Wed 8/12
7:37 am-8:32 am
Nonstop1h 55m
$305
San JoseBoise
SJC - BOI
SJCBOI
San Jose
Sun 10/4
6:10 am-3:35 pm
2 stops8h 25m
Boise Air Term. Gowen Fld
Thu 10/8
1:50 pm-7:20 pm
1 stop6h 30m
$306
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Jose to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Jose with our price prediction graph.
SJC-GEG
SJC-BOI
SJC-WYS
SJC-IDA
SJC-JAC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Jose to Idaho
SJC-USID
SJC-GEG
SJC-BOI
SJC-WYS
SJC-IDA
What is the cheapest month to book a flight from San Jose, California to Idaho?
Currently, April is the cheapest month in which you can book a flight from San Jose, California to Idaho (average of $68). Flying from San Jose, California to Idaho in July is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJC to ID?
Find hourly flight availability from San Jose to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 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 7% on airfare.
Weekly flight availability from San Jose, California to Idaho
Explore weekly flight availability from San Jose to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 15, 2026.
The most flights from SJC to USID are scheduled on a Saturday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from San Jose, California to Idaho?
How far ahead should I book a flight from San Jose, California to Idaho?
The price you pay for your flight from San Jose, California to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from San Jose, California to Idaho?
Use this chart to determine the cheapest time to fly round-trip from San Jose to Idaho. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their San Jose, California to Idaho flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated June 15, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from San Jose to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Jose to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for San Jose to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Jose to Idaho by cabin class
Find flights from San Jose to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Idaho flights
Browse other San Jose and Idaho flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Jose to Idaho flights
Consider these flights traveling from San Jose to Idaho.
Top 4 airlines flying from San Jose to Idaho
Discover the top 4 airlines that operate flights from San Jose to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$186 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$147 | Average$308 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$329 | Average$404 | FlexibilityNo cancel fee | On-timeN/A |