$133+ Cheap flights from San Antonio (SAT) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Cheapest flights from San Antonio to IdahoExplore the most affordable flight options available from San Antonio to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from San Antonio to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Wed 9/163:19 pm -
1 stop23h 36m
Mon 9/212:50 pm -
1 stop22h 30m
Deal found 8/18![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/2412:39 pm -
1 stop26h 16m
Mon 9/282:50 pm -
1 stop22h 30m
Deal found 8/17![Frontier logo]()
$307
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/299:51 pm -
1 stop18h 06m
Sun 11/13:52 pm -
1 stop18h 56m
Deal found 8/18![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Sat 11/2111:53 pm -
1 stop23h 25m
Sun 11/2911:13 pm -
1 stop22h 45m
Deal found 8/19![Frontier logo]()
$334
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Sat 9/122:47 pm -
1 stop24h 08m
Mon 9/142:50 pm -
1 stop22h 30m
Deal found 8/18![Frontier logo]()
$335
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 pm -
1 stop5h 10m
Tue 10/136:56 pm -
1 stop4h 34m
Deal found 8/21![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/64:39 pm -
1 stop5h 58m
Sat 9/125:40 pm -
1 stop5h 17m
Deal found 8/19![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/297:05 am -
2 stops12h 12m
Tue 10/66:56 pm -
1 stop4h 34m
Deal found 8/21![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/2312:29 pm -
1 stop5h 52m
Tue 9/295:14 pm -
1 stop5h 17m
Deal found 8/18![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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.
Sat 9/54:40 pm -
1 stop6h 02m
Wed 9/96:30 am -
2 stops9h 18m
Deal found 8/21![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/131:17 pm -
1 stop4h 59m
Tue 10/202:28 pm -
1 stop5h 14m
Deal found 8/21![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/104:50 pm -
1 stop8h 58m
Sat 9/126:22 am -
1 stop6h 24m
Deal found 8/18![Delta logo]()
$365
Best flights from San Antonio to IdahoDiscover carefully curated flight deals from San Antonio to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from San Antonio to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:30 am -
1 stop5h 23m
Tue 10/65:51 pm -
1 stop5h 07m
Deal found 8/21![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 pm -
1 stop5h 10m
Wed 10/146:56 pm -
1 stop4h 34m
Deal found 8/21![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:34 pm -
1 stop16h 21m
Mon 10/262:50 pm -
2 stops18h 22m
Deal found 8/17![Frontier logo]()
$358
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Wed 9/234:27 pm -
1 stop5h 58m
Tue 9/296:30 am -
1 stop8h 06m
Deal found 8/17![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/166:10 am -
2 stops8h 55m
Wed 9/236:15 am -
1 stop6h 35m
Deal found 8/18![Southwest logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:34 pm -
2 stops21h 47m
Tue 10/136:09 am -
2 stops16h 50m
Deal found 8/18![Alaska Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/196:00 pm -
1 stop5h 10m
Mon 10/266:56 pm -
1 stop4h 34m
Deal found 8/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/64:39 pm -
1 stop7h 01m
Thu 9/105:40 pm -
1 stop5h 17m
Deal found 8/21![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/67:30 am -
1 stop8h 19m
Sat 9/127:05 am -
1 stop6h 41m
Deal found 8/21![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:35 pm -
1 stop5h 55m
Mon 10/52:30 pm -
2 stops8h 50m
Deal found 8/17![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:35 am -
2 stops8h 56m
Wed 9/235:40 pm -
1 stop5h 17m
Deal found 8/19![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/2312:29 pm -
1 stop5h 52m
Tue 9/295:14 pm -
1 stop5h 17m
Deal found 8/18![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/101:45 pm -
2 stops10h 56m
Sat 9/121:37 pm -
1 stop8h 20m
Deal found 8/18![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/122:30 pm -
2 stops8h 05m
Mon 9/144:55 pm -
1 stop5h 35m
Deal found 8/18![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/166:01 pm -
1 stop7h 29m
Wed 9/236:45 am -
1 stop8h 25m
Deal found 8/18![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
2 stops10h 46m
Sat 9/55:00 am -
2 stops8h 43m
Deal found 8/17![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:50 pm -
1 stop8h 58m
Mon 10/55:14 pm -
1 stop5h 17m
Deal found 8/17![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/104:48 pm -
1 stop5h 44m
Wed 11/112:51 pm -
1 stop5h 02m
Deal found 8/19![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/196:45 am -
1 stop6h 30m
Sat 9/266:00 am -
2 stops7h 46m
Deal found 8/17![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/238:55 am -
1 stop5h 40m
Tue 1/262:35 pm -
1 stop5h 32m
Deal found 8/21![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/216:45 am -
1 stop5h 04m
Mon 9/285:55 pm -
1 stop5h 36m
Deal found 8/19![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:17 pm -
1 stop5h 32m
Mon 10/262:25 pm -
2 stops7h 26m
Deal found 8/18![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 am -
1 stop5h 14m
Mon 10/195:37 pm -
1 stop5h 53m
Deal found 8/22![Delta logo]()
$511
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:12 pm -
1 stop5h 37m
Wed 10/74:28 pm -
1 stop6h 30m
Deal found 8/18![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:39 pm -
1 stop5h 01m
Sat 9/58:00 am -
2 stops8h 44m
Deal found 8/17![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:45 pm -
1 stop5h 23m
Tue 12/82:35 pm -
1 stop5h 32m
Deal found 8/19![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:50 pm -
1 stop4h 56m
Thu 10/221:40 pm -
1 stop6h 02m
Deal found 8/21![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:45 pm -
1 stop5h 33m
Sat 9/265:51 pm -
1 stop5h 07m
Deal found 8/20![United Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/139:10 am -
1 stop7h 18m
Sat 9/198:00 am -
2 stops11h 52m
Deal found 8/21![United Airlines logo]()
$614
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated August 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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.
Sat 9/54:40 pm -
1 stop6h 02m
Wed 9/96:30 am -
2 stops9h 18m
Deal found 8/21![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/64:39 pm -
1 stop5h 58m
Sat 9/125:40 pm -
1 stop5h 17m
Deal found 8/19![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/104:50 pm -
1 stop8h 58m
Sat 9/126:22 am -
1 stop6h 24m
Deal found 8/18![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/104:50 pm -
1 stop8h 58m
Mon 9/145:14 pm -
1 stop5h 17m
Deal found 8/18![Delta logo]()
$377
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Sat 9/122:47 pm -
1 stop24h 08m
Mon 9/142:50 pm -
1 stop22h 30m
Deal found 8/18![Frontier logo]()
$335
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Wed 9/163:19 pm -
1 stop23h 36m
Mon 9/212:50 pm -
1 stop22h 30m
Deal found 8/18![Frontier logo]()
$260
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Wed 9/165:30 am -
1 stop5h 05m
Sat 9/198:05 am -
1 stop8h 51m
Deal found 8/18![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/196:45 am -
1 stop6h 30m
Sat 9/266:00 am -
2 stops7h 46m
Deal found 8/18![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/2312:29 pm -
1 stop5h 52m
Tue 9/295:14 pm -
1 stop5h 17m
Deal found 8/18![Delta logo]()
$353
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/2412:39 pm -
1 stop26h 16m
Mon 9/282:50 pm -
1 stop22h 30m
Deal found 8/17![Frontier logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:30 am -
1 stop5h 23m
Tue 10/65:51 pm -
1 stop5h 07m
Deal found 8/21![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/297:05 am -
2 stops12h 12m
Tue 10/66:56 pm -
1 stop4h 34m
Deal found 8/21![Delta logo]()
$344
One-way flights from San Antonio to IdahoSearch for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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.
Wed 11/1110:29 pm -
1 stop16h 25m
Deal found 8/21![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Wed 9/93:19 pm -
1 stop23h 36m
Deal found 8/18![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/108:20 pm -
2 stops42h 34m
Deal found 8/21![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/67:14 am -
1 stop9h 17m
Deal found 8/20![United Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Wed 9/24:39 pm -
1 stop6h 07m
Deal found 8/17![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:10 am -
2 stops11h 41m
Deal found 8/20![United Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/128:00 pm -
1 stop5h 50m
Deal found 8/21![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:35 pm -
1 stop5h 55m
Deal found 8/17![Southwest logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Wed 10/288:20 pm -
2 stops24h 18m
Deal found 8/19![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/278:20 pm -
2 stops48h 18m
Deal found 8/19![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:21 pm -
2 stops18h 34m
Deal found 8/17![Frontier logo]()
$205
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/23:15 pm -
2 stops9h 40m
Deal found 8/17![Southwest logo]()
$205
Find flight deals from San Antonio to Idaho
Keep the following information in mind while searching for San Antonio to Idaho flight deals. Data was last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (CheapOair) |
One-way from | $133 (CheapOair) |
Popular in | August |
Cheapest in | January |
Average price | $582 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 August 22, 2026.
Use the filters below to find and compare flights from San Antonio to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioIdaho Falls
SAT San Antonio - IDA Idaho Falls Fanning Field
SATIDA
San Antonio
Tue 9/29
5:30 am-9:53 am
1 stop5h 23m
Idaho Falls Fanning Field
Tue 10/6
5:51 pm-11:58 pm
1 stop5h 07m
$339
Quickest round-trip
San AntonioIdaho Falls
SAT San Antonio - IDA Idaho Falls Fanning Field
SATIDA
San Antonio
Tue 10/6
6:00 pm-10:10 pm
1 stop5h 10m
Idaho Falls Fanning Field
Wed 10/14
6:56 pm-12:30 am
1 stop4h 34m
$339
San AntonioIdaho Falls
SAT San Antonio - IDA Idaho Falls Fanning Field
SATIDA
San Antonio
Mon 10/19
6:00 pm-10:10 pm
1 stop5h 10m
Idaho Falls Fanning Field
Mon 10/26
6:56 pm-12:30 am
1 stop4h 34m
$339
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sun 9/6
4:39 pm-10:40 pm
1 stop7h 01m
Boise Air Term. Gowen Fld
Thu 9/10
5:40 pm-11:57 pm
1 stop5h 17m
$343
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sun 9/6
7:30 am-2:49 pm
1 stop8h 19m
Boise Air Term. Gowen Fld
Sat 9/12
7:05 am-2:46 pm
1 stop6h 41m
$343
San AntonioSpokane
SAT San Antonio - GEG Spokane
SATGEG
San Antonio
Wed 9/23
12:29 pm-4:21 pm
1 stop5h 52m
Spokane
Tue 9/29
5:14 pm-12:31 am
1 stop5h 17m
$353
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Thu 10/22
10:34 pm-1:55 pm
1 stop16h 21m
Boise Air Term. Gowen Fld
Mon 10/26
2:50 pm-10:12 am
2 stops18h 22m
$358
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sat 9/19
7:35 am-3:31 pm
2 stops8h 56m
Boise Air Term. Gowen Fld
Wed 9/23
5:40 pm-11:57 pm
1 stop5h 17m
$370
San AntonioSpokane
SAT San Antonio - GEG Spokane
SATGEG
San Antonio
Wed 9/23
4:27 pm-8:25 pm
1 stop5h 58m
Spokane
Tue 9/29
6:30 am-4:36 pm
1 stop8h 06m
$377
San AntonioSpokane
SAT San Antonio - GEG Spokane
SATGEG
San Antonio
Wed 9/16
6:01 pm-11:30 pm
1 stop7h 29m
Spokane
Wed 9/23
6:45 am-5:10 pm
1 stop8h 25m
$377
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from San Antonio to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Antonio with our price prediction graph.
SAT-BOI
SAT-GEG
SAT-IDA
SAT-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 Antonio to Idaho
SAT-USID
SAT-BOI
SAT-GEG
SAT-IDA
SAT-JAC
What is the cheapest month to book a flight from San Antonio to Idaho?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $322). Flying from San Antonio to Idaho in August is currently the most expensive (average of $581). 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.
How much does it cost to fly round-trip from San Antonio to Idaho?
Airfare is below average for this route at the moment.
San Antonio to Idaho flights typically cost between $297 and $568 in September.The cheapest round-trip price found within the last 5 days was $260 on Frontier (Sep 16-Sep 21).
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 August 22, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio 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.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio 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 Antonio to Idaho
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Complete your trip
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San Antonio and Idaho flights
Browse other San Antonio and Idaho flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Antonio to Idaho flights
Consider these flights traveling from San Antonio to Idaho.
Top 3 airlines flying from San Antonio to Idaho
Discover the top 3 airlines that operate flights from San Antonio 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$465 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$465 | FlexibilityNo cancel fee | On-time69% |