$58+ Cheap flights from San Diego (SAN) 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Cheapest flights from San Diego to IdahoExplore the most affordable flight options available from San Diego 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 Diego to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:49 pm -
Nonstop2h 38m
Thu 12/104:47 pm -
Nonstop2h 26m
Deal found 10/29![Alaska Airlines logo]()
$110
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.
Thu 12/311:00 am -
Nonstop2h 15m
Wed 12/98:20 am -
Nonstop2h 25m
Deal found 10/28![Southwest logo]()
$115
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:40 pm -
Nonstop2h 15m
Thu 12/108:20 am -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$116
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:40 pm -
Nonstop2h 15m
Sun 12/64:40 pm -
Nonstop2h 15m
Deal found 10/25![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:30 am -
1 stop3h 55m
Thu 1/73:30 pm -
Nonstop2h 15m
Deal found 10/25![Southwest logo]()
$123
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:40 pm -
Nonstop2h 15m
Fri 12/115:00 am -
1 stop5h 40m
Deal found 10/29![Southwest logo]()
$126
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.
Mon 12/218:50 pm -
Nonstop2h 20m
Mon 12/288:45 pm -
1 stop3h 50m
Deal found 10/27![Southwest logo]()
$133
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.
Thu 12/177:56 pm -
1 stop18h 36m
Mon 12/217:49 pm -
1 stop17h 35m
Deal found 10/27![Multiple Airlines logo]()
$211
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.
Thu 11/261:31 pm -
2 stops7h 36m
Thu 12/39:08 am -
1 stop5h 43m
Deal found 10/28![Delta logo]()
$246
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.
Sat 12/127:05 am -
1 stop5h 12m
Mon 12/143:44 pm -
1 stop7h 49m
Deal found 10/29![Alaska Airlines logo]()
$321
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:45 am -
1 stop5h 53m
Wed 1/62:30 pm -
1 stop7h 12m
Deal found 10/27![United Airlines logo]()
$331
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.
Thu 11/266:45 am -
1 stop6h 08m
Thu 12/31:50 pm -
1 stop4h 47m
Deal found 10/29![United Airlines logo]()
$339
Best flights from San Diego to IdahoDiscover carefully curated flight deals from San Diego 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 Diego 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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:40 pm -
Nonstop2h 15m
Thu 12/108:20 am -
Nonstop2h 25m
Deal found 10/29![Southwest logo]()
$116
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 1/710:00 am -
Nonstop2h 23m
Sun 1/107:01 am -
Nonstop2h 29m
Deal found 10/29![Alaska Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:59 pm -
1 stop5h 53m
Mon 11/161:19 pm -
1 stop3h 59m
Deal found 10/25![Delta logo]()
$167
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:38 am -
1 stop6h 04m
Fri 11/276:20 am -
1 stop4h 52m
Deal found 10/28![United Airlines logo]()
$212
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.
Mon 12/218:50 pm -
Nonstop2h 20m
Fri 1/83:30 pm -
Nonstop2h 15m
Deal found 10/26![Southwest logo]()
$117
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 12/118:50 pm -
Nonstop2h 20m
Sun 12/136:35 am -
Nonstop2h 10m
Deal found 10/26![Southwest logo]()
$117
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 1/79:00 am -
1 stop4h 55m
Sun 1/107:35 am -
Nonstop2h 25m
Deal found 10/26![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:35 pm -
2 stops9h 00m
Sun 12/66:35 am -
Nonstop2h 10m
Deal found 10/25![Southwest logo]()
$132
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.
Wed 11/189:25 am -
1 stop4h 25m
Sat 11/217:25 pm -
1 stop5h 10m
Deal found 10/28![Southwest logo]()
$135
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.
Sat 2/139:30 am -
1 stop4h 40m
Wed 2/171:40 pm -
1 stop4h 25m
Deal found 10/26![Southwest logo]()
$137
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.
Thu 11/2611:05 am -
2 stops10h 02m
Thu 12/312:19 pm -
2 stops10h 33m
Deal found 10/28![Delta logo]()
$251
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.
Sat 12/127:05 am -
1 stop5h 12m
Mon 12/143:44 pm -
1 stop7h 49m
Deal found 10/29![Alaska Airlines logo]()
$321
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.
Sun 1/106:45 am -
1 stop5h 43m
Wed 1/134:08 pm -
1 stop7h 23m
Deal found 10/29![United Airlines logo]()
$331
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.
Wed 11/1111:00 am -
Nonstop2h 15m
Sun 11/155:00 am -
1 stop5h 40m
Deal found 10/27![Southwest logo]()
$187
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.
Thu 4/221:30 pm -
1 stop3h 44m
Tue 4/271:10 pm -
1 stop6h 36m
Deal found 10/29![Delta logo]()
$321
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:00 am -
1 stop5h 19m
Wed 1/139:08 am -
1 stop6h 43m
Deal found 10/29![Alaska Airlines logo]()
$331
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:45 am -
1 stop5h 53m
Wed 1/62:30 pm -
1 stop7h 12m
Deal found 10/27![United Airlines logo]()
$331
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.
Tue 2/91:34 pm -
1 stop3h 45m
Thu 2/116:45 pm -
1 stop6h 02m
Deal found 10/28![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:08 pm -
1 stop5h 48m
Mon 12/73:44 pm -
1 stop7h 49m
Deal found 10/25![Alaska Airlines logo]()
$351
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.
Thu 4/156:15 am -
2 stops10h 59m
Sat 4/176:00 am -
2 stops10h 20m
Deal found 10/26![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:45 am -
1 stop6h 08m
Fri 11/132:34 pm -
2 stops10h 45m
Deal found 10/25![United Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:39 pm -
1 stop7h 06m
Mon 1/46:00 am -
2 stops15h 29m
Deal found 10/25![Alaska Airlines logo]()
$367
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.
Mon 12/76:20 am -
1 stop5h 13m
Thu 12/101:50 pm -
1 stop7h 18m
Deal found 10/29![United Airlines logo]()
$377
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.
Fri 11/133:53 pm -
1 stop7h 10m
Wed 11/1812:24 pm -
2 stops10h 30m
Deal found 10/27![Delta logo]()
$348
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.
Thu 11/126:30 am -
1 stop5h 14m
Mon 11/1612:24 pm -
1 stop5h 40m
Deal found 10/28![Delta logo]()
$356
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.
Wed 2/310:44 am -
2 stops7h 11m
Wed 2/1011:23 am -
1 stop6h 59m
Deal found 10/30![Alaska Airlines logo]()
$424
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 11/136:30 am -
1 stop5h 14m
Tue 11/1712:24 pm -
1 stop5h 40m
Deal found 10/29![Delta logo]()
$356
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 11/106:45 am -
1 stop6h 08m
Fri 11/132:34 pm -
1 stop7h 02m
Deal found 10/29![United Airlines logo]()
$441
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.
Mon 1/46:15 am -
1 stop5h 10m
Fri 1/83:23 pm -
2 stops8h 27m
Deal found 10/30![Delta logo]()
$363
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 1/57:11 am -
2 stops10h 44m
Sat 1/911:23 am -
2 stops10h 07m
Deal found 10/26![Alaska Airlines logo]()
$459
Last-minute flights from San Diego to IdahoDiscover last-minute flight deals from San Diego to Idaho. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Idaho. Data last updated October 30, 2026 and is based on user searches.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:45 am -
1 stop6h 08m
Fri 11/132:34 pm -
1 stop7h 02m
Deal found 10/26![United Airlines logo]()
$361
This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:27 pm -
Nonstop2h 26m
Mon 11/166:43 pm -
Nonstop2h 20m
Deal found 10/25![Alaska Airlines logo]()
$143
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 pm -
Nonstop2h 15m
Mon 11/168:20 am -
Nonstop2h 25m
Deal found 10/25![Southwest logo]()
$146
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 11/103:59 pm -
1 stop5h 53m
Mon 11/164:45 pm -
1 stop7h 14m
Deal found 10/26![Delta logo]()
$167
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.
Thu 11/126:30 am -
1 stop5h 14m
Mon 11/1612:24 pm -
1 stop5h 40m
Deal found 10/28![Delta logo]()
$356
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.
Fri 11/133:53 pm -
1 stop7h 10m
Wed 11/1812:24 pm -
2 stops10h 30m
Deal found 10/27![Delta logo]()
$348
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 11/136:30 am -
1 stop5h 14m
Tue 11/1712:24 pm -
2 stops10h 30m
Deal found 10/29![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:35 pm -
Nonstop2h 15m
Sun 11/155:00 am -
1 stop5h 40m
Deal found 10/25![Southwest logo]()
$157
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.
Wed 11/1811:00 am -
Nonstop2h 15m
Sat 11/217:25 pm -
1 stop5h 10m
Deal found 10/28![Southwest logo]()
$125
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:23 pm -
1 stop21h 46m
Wed 12/23:44 pm -
1 stop7h 49m
Deal found 10/27![Alaska Airlines logo]()
$382
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.
Thu 11/261:31 pm -
2 stops7h 36m
Thu 12/39:08 am -
1 stop5h 43m
Deal found 10/28![Delta logo]()
$246
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.
Thu 11/266:45 am -
1 stop6h 08m
Thu 12/31:50 pm -
1 stop4h 47m
Deal found 10/29![United Airlines logo]()
$339
One-way flights from San Diego to IdahoSearch for one-way flight options from San Diego 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 Diego to Idaho. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
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 11/216:25 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$58
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.
Sun 11/228:50 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$59
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 11/198:00 am -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$68
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 11/208:50 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$69
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:35 pm -
2 stops9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$73
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 1/52:55 pm -
2 stops7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$74
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.
Tue 12/297:56 pm -
1 stop19h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$75
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:34 pm -
Nonstop2h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$78
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.
Tue 11/1011:00 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$89
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.
Sat 11/149:15 am -
1 stop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$94
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.
Tue 11/246:30 am -
1 stop4h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$113
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:02 pm -
1 stop20h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$124
Find flight deals from San Diego to Idaho
Keep the following information in mind while searching for San Diego 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 | $110 (Trip.com) |
One-way from | $58 (Southwest) |
Popular in | November |
Cheapest in | February |
Average price | $232 |
Good round-trip deal | $241 or less |
Good one-way deal | $123 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 Diego to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Mon 12/21
8:50 pm-12:10 am
Nonstop2h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Thu 1/7
8:05 pm-11:25 pm
Nonstop2h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$59
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 11/21
7:45 am-12:25 pm
1 stop3h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$63
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 2/13
5:40 pm-10:40 pm
1 stop4h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 11/24
6:35 am-1:15 pm
1 stop5h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 12/29
7:56 pm-4:48 pm
1 stop19h 52m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$75
Quickest round-trip
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Sat 11/14
6:35 pm-9:50 pm
Nonstop2h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Tue 11/10
11:00 am-2:15 pm
Nonstop2h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
San DiegoTwin Falls
SAN San Diego - TWF Twin Falls Joslin
SANTWF
San Diego
Tue 11/24
6:30 am-12:21 pm
1 stop4h 51m
Twin Falls Joslin
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
San DiegoBoise
SAN San Diego - BOI Boise Air Term. Gowen Fld
SANBOI
San Diego
Mon 12/7
6:40 pm-9:55 pm
Nonstop2h 15m
Boise Air Term. Gowen Fld
Thu 12/10
8:20 am-9:45 am
Nonstop2h 25m
$116
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Diego to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Diego with our price prediction graph.
SAN-BOI
SAN-TWF
SAN-SUN
SAN-IDA
SAN-LWS
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 Diego to Idaho
SAN-USID
SAN-BOI
SAN-TWF
SAN-SUN
SAN-IDA
What is the cheapest month to book a flight from San Diego to Idaho?
Currently, February is the cheapest month in which you can book a flight from San Diego to Idaho (average of $228). Flying from San Diego to Idaho in November is currently the most expensive (average of $396). 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 SAN to ID?
Find hourly flight availability from San Diego 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.
It’s optimal to fly from San Diego to Idaho in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.
How much does it cost to fly round-trip from San Diego to Idaho?
Airfare is below average for this route at the moment.
San Diego to Idaho flights typically cost between $239 and $527 in December.The cheapest round-trip price found within the last 5 days was $110 on Alaska Airlines (Dec 7-Dec 10).
How far ahead should I book a flight from San Diego to Idaho?
Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from San Diego to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from San Diego 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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Alternative routes for San Diego 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 Diego to Idaho by cabin class
Find flights from San Diego to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Idaho flights
Browse other San Diego and Idaho flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Idaho flights
Consider these flights traveling from San Diego to Idaho.
Top 5 airlines flying from San Diego to Idaho
Discover the top 5 airlines that operate flights from San Diego 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$108 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$328 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$143 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$143 | Average$347 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$284 | FlexibilityNo cancel fee | On-time63% |