$139+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Idaho with Cheapflights
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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 July 3, 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 July 3, 2026.
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:49 pm
SAT
- BOI
1 stop17h 40m
Frontier
Tue 8/181:24 pm
BOI
- SAT
1 stop5h 07m
Frontier
Deal found 6/29![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/2410:34 pm
SAT
- BOI
1 stop17h 23m
Frontier
Thu 10/112:59 pm
BOI
- SAT
1 stop20h 13m
Frontier
Deal found 7/2![Frontier logo]()
$266
This Gotogate deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:08 am
SAT
- BOI
1 stop25h 56m
Frontier
Fri 10/23:52 pm
BOI
- SAT
1 stop26h 50m
Frontier
Deal found 7/2![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Sun 8/3012:24 pm
BOI
- SAT
1 stop6h 07m
Frontier
Deal found 6/29![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/29![Frontier logo]()
$299
This CheapOair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 10/810:41 pm
SAT
- BOI
1 stop17h 16m
Frontier
Sun 10/1112:23 pm
BOI
- SAT
1 stop21h 58m
Frontier
Deal found 7/1![Frontier logo]()
$308
This Delta deal was found by Cheapflights users on 6/28. 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 7/284:46 pm
SAT
- GEG
1 stop9h 16m
Delta
Tue 8/46:45 am
GEG
- SAT
1 stop8h 26m
Delta
Deal found 6/28![Delta logo]()
$323
This Priceline deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:02 am
SAT
- GEG
1 stop7h 24m
Alaska Airlines
Mon 8/177:45 pm
GEG
- SAT
1 stop7h 15m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/66:04 pm
SAT
- GEG
1 stop7h 05m
Delta
Thu 8/206:16 am
GEG
- SAT
1 stop6h 41m
Delta
Deal found 7/2![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/124:20 pm
SAT
- GEG
2 stops8h 05m
Southwest
Wed 8/266:15 am
GEG
- SAT
1 stop6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/176:50 am
SAT
- IDA
1 stop5h 00m
Delta
Fri 8/286:00 am
IDA
- SAT
1 stop6h 31m
Delta
Deal found 7/1![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/255:11 pm
SAT
- BOI
1 stop7h 33m
Alaska Airlines
Wed 8/266:23 am
BOI
- SAT
1 stop8h 50m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$333
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 July 3, 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 July 3, 2026.
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/124:20 pm
SAT
- GEG
2 stops8h 05m
Southwest
Wed 8/266:15 am
GEG
- SAT
1 stop6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/176:50 am
SAT
- IDA
1 stop5h 00m
Delta
Fri 8/286:00 am
IDA
- SAT
1 stop6h 31m
Delta
Deal found 7/3![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/287:04 pm
SAT
- BOI
1 stop5h 07m
American Airlines
Tue 8/43:54 pm
BOI
- SAT
1 stop7h 04m
American Airlines
Deal found 7/1![American Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/255:11 pm
SAT
- BOI
1 stop7h 33m
Alaska Airlines
Wed 8/266:23 am
BOI
- SAT
1 stop8h 50m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 11/35:30 am
SAT
- IDA
2 stops9h 01m
United Airlines
Sat 11/72:32 pm
IDA
- SAT
1 stop5h 12m
United Airlines
Deal found 7/3![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/166:35 am
SAT
- BOI
1 stop6h 39m
Delta
Sun 8/237:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 7/2![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/184:44 pm
SAT
- GEG
1 stop9h 15m
Alaska Airlines
Wed 8/195:52 am
GEG
- SAT
1 stop8h 21m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:30 pm
SAT
- GEG
2 stops9h 10m
Southwest
Sat 9/266:15 am
GEG
- SAT
1 stop7h 10m
Southwest
Deal found 6/30![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 am
SAT
- IDA
2 stops8h 05m
Delta
Fri 8/287:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/29![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/216:50 am
SAT
- IDA
1 stop5h 00m
Delta
Mon 8/246:00 am
IDA
- SAT
2 stops7h 57m
Delta
Deal found 7/3![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 6/29. 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 8/137:50 pm
SAT
- BOI
1 stop5h 05m
Southwest
Thu 8/202:55 pm
BOI
- SAT
2 stops7h 30m
Southwest
Deal found 6/29![Southwest logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/144:44 pm
SAT
- GEG
1 stop6h 12m
Alaska Airlines
Tue 8/185:44 pm
GEG
- SAT
1 stop20h 29m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 8/259:00 am
SAT
- BOI
1 stop7h 31m
United Airlines
Wed 8/262:44 pm
BOI
- SAT
2 stops6h 55m
United Airlines
Deal found 6/28![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 6/29. 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 8/136:03 pm
SAT
- BOI
1 stop6h 56m
Delta
Thu 8/204:00 pm
BOI
- SAT
1 stop6h 56m
Delta
Deal found 6/29![Delta logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:21 pm
SAT
- IDA
1 stop7h 21m
Alaska Airlines
Sat 11/76:04 am
IDA
- SAT
1 stop9h 21m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/26:40 pm
SAT
- GEG
1 stop5h 55m
Southwest
Sat 8/86:15 am
GEG
- SAT
1 stop7h 10m
Southwest
Deal found 7/2![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Mon 8/249:10 am
SAT
- JAC
1 stop4h 39m
United Airlines
Fri 8/288:05 am
JAC
- SAT
2 stops10h 53m
United Airlines
Deal found 6/28![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/144:49 pm
SAT
- GEG
1 stop6h 44m
Delta
Tue 8/186:16 am
GEG
- SAT
1 stop6h 41m
Delta
Deal found 7/3![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:57 pm
SAT
- GEG
1 stop9h 41m
Alaska Airlines
Wed 8/268:31 am
GEG
- SAT
2 stops13h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/166:40 am
SAT
- BOI
2 stops8h 15m
Southwest
Sun 8/234:45 pm
BOI
- SAT
1 stop7h 55m
Southwest
Deal found 7/2![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/171:39 pm
SAT
- JAC
1 stop5h 14m
United Airlines
Wed 7/224:23 pm
JAC
- SAT
1 stop6h 32m
United Airlines
Deal found 7/1![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/46:50 am
SAT
- BOI
2 stops12h 58m
Delta
Tue 8/1110:35 am
BOI
- SAT
2 stops12h 21m
Delta
Deal found 7/1![Delta logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:55 am
SAT
- JAC
1 stop7h 48m
United Airlines
Thu 11/57:00 am
JAC
- SAT
1 stop4h 46m
United Airlines
Deal found 6/30![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 6/28. 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.
Fri 10/212:29 pm
SAT
- JAC
1 stop5h 21m
Delta
Tue 10/65:27 pm
JAC
- SAT
1 stop5h 58m
Delta
Deal found 6/28![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/16:30 am
SAT
- JAC
1 stop5h 16m
Delta
Wed 8/56:01 pm
JAC
- SAT
1 stop5h 25m
Delta
Deal found 7/2![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/2112:29 pm
SAT
- JAC
1 stop5h 21m
Delta
Mon 9/285:55 pm
JAC
- SAT
1 stop5h 36m
Delta
Deal found 7/3![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/2712:39 pm
SAT
- JAC
1 stop5h 18m
Delta
Mon 8/316:01 pm
JAC
- SAT
1 stop5h 25m
Delta
Deal found 7/1![Delta logo]()
$481
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated July 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Sun 7/261:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/30![Frontier logo]()
$339
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/29![Frontier logo]()
$299
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/66:04 pm
SAT
- GEG
1 stop7h 05m
Delta
Thu 8/206:16 am
GEG
- SAT
1 stop6h 41m
Delta
Deal found 7/2![Delta logo]()
$327
This Priceline deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:02 am
SAT
- GEG
1 stop7h 24m
Alaska Airlines
Mon 8/177:45 pm
GEG
- SAT
1 stop7h 15m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$325
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:49 pm
SAT
- BOI
1 stop17h 40m
Frontier
Tue 8/181:24 pm
BOI
- SAT
1 stop5h 07m
Frontier
Deal found 6/29![Frontier logo]()
$254
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/124:49 pm
SAT
- GEG
1 stop6h 44m
Delta
Wed 8/266:45 am
GEG
- SAT
1 stop8h 26m
Delta
Deal found 7/2![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/124:20 pm
SAT
- GEG
2 stops8h 05m
Southwest
Wed 8/266:15 am
GEG
- SAT
1 stop6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 am
SAT
- IDA
2 stops8h 05m
Delta
Fri 8/286:00 am
IDA
- SAT
2 stops7h 57m
Delta
Deal found 6/29![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/176:50 am
SAT
- IDA
1 stop5h 00m
Delta
Fri 8/286:00 am
IDA
- SAT
1 stop6h 31m
Delta
Deal found 7/3![Delta logo]()
$329
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Sun 8/3012:24 pm
BOI
- SAT
1 stop6h 07m
Frontier
Deal found 6/29![Frontier logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/255:11 pm
SAT
- BOI
1 stop7h 33m
Alaska Airlines
Wed 8/266:23 am
BOI
- SAT
1 stop8h 50m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
SAT
- BOI
1 stop5h 16m
American Airlines
Wed 9/21:55 pm
BOI
- SAT
2 stops7h 55m
American Airlines
Deal found 6/29![American Airlines logo]()
$338
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 July 3, 2026.
Search for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Deal found 6/30![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/257:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Deal found 7/2![Frontier logo]()
$148
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/16:05 am
SAT
- GEG
1 stop7h 34m
Delta
Deal found 7/2![Delta logo]()
$162
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/134:49 pm
SAT
- GEG
1 stop6h 44m
Delta
Deal found 7/3![Delta logo]()
$164
This CheapOair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/78:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Deal found 7/1![Frontier logo]()
$165
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 11/1112:07 pm
SAT
- GEG
2 stops10h 58m
United Airlines
Deal found 7/2![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/246:40 am
SAT
- GEG
2 stops7h 55m
Southwest
Deal found 7/2![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/244:46 pm
SAT
- GEG
1 stop9h 16m
Delta
Deal found 7/2![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/16:35 am
SAT
- GEG
2 stops10h 00m
Southwest
Deal found 7/2![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 8/412:39 pm
SAT
- JAC
1 stop7h 16m
Delta
Deal found 6/30![Delta logo]()
$210
This Southwest deal was found by Cheapflights users on 6/29. 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 8/133:30 pm
SAT
- GEG
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$214
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:30 am
SAT
- JAC
2 stops8h 14m
United Airlines
Deal found 6/30![United Airlines logo]()
$215
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Frontier) |
One-way from | $139 (CheapOair) |
Popular in | November |
Cheapest in | September |
Average price | $452 |
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 2,558,603 searches. Data last updated July 3, 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 AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Wed 8/12
4:20 pm-10:25 pm
2 stops8h 05m
Spokane
Wed 8/26
6:15 am-2:50 pm
1 stop6h 35m
$328
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Mon 8/17
6:50 am-10:50 am
1 stop5h 00m
Idaho Falls Fanning Field
Fri 8/28
6:00 am-1:31 pm
1 stop6h 31m
$329
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 7/28
7:04 pm-11:11 pm
1 stop5h 07m
Boise Air Term. Gowen Fld
Tue 8/4
3:54 pm-11:58 pm
1 stop7h 04m
$333
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 8/25
5:11 pm-11:44 pm
1 stop7h 33m
Boise Air Term. Gowen Fld
Wed 8/26
6:23 am-4:13 pm
1 stop8h 50m
$333
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Sun 8/16
6:35 am-12:14 pm
1 stop6h 39m
Boise Air Term. Gowen Fld
Sun 8/23
7:00 am-2:57 pm
1 stop6h 57m
$333
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 8/15
7:30 am-2:35 pm
2 stops8h 05m
Idaho Falls Fanning Field
Fri 8/28
7:00 pm-12:26 am
1 stop4h 26m
$334
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Fri 8/21
6:50 am-10:50 am
1 stop5h 00m
Idaho Falls Fanning Field
Mon 8/24
6:00 am-2:57 pm
2 stops7h 57m
$334
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Tue 8/18
4:44 pm-11:59 pm
1 stop9h 15m
Spokane
Wed 8/19
5:52 am-4:13 pm
1 stop8h 21m
$341
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Thu 8/13
6:03 pm-11:59 pm
1 stop6h 56m
Boise Air Term. Gowen Fld
Thu 8/20
4:00 pm-11:56 pm
1 stop6h 56m
$341
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Mon 9/21
3:30 pm-10:40 pm
2 stops9h 10m
Spokane
Sat 9/26
6:15 am-3:25 pm
1 stop7h 10m
$346
Showing 1-10 of 54 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-JAC
SAT-IDA
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-JAC
SAT-IDA
What is the cheapest month to book a flight from San Antonio to Idaho?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $77). Flying from San Antonio to Idaho in May is currently the most expensive (average of $367). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Antonio to Idaho?
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 July 3, 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.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
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
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Idaho by cabin class
Find flights from San Antonio to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Idaho flights
Browse other San Antonio and Idaho flight options. Last updated on July 3, 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 4 airlines flying from San Antonio to Idaho
Discover the top 4 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 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$546 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$434 | FlexibilityNo cancel fee | On-time69% |