$107+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Mar 4 — Mar 111
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 February 2, 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 February 2, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 3/145:47 am
SAT
- BOI
1 stop5h 19m
United Airlines
Sat 3/215:31 pm
BOI
- SAT
1 stop5h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:06 pm
SAT
- BOI
1 stop16h 34m
Multiple Airlines
Thu 2/2612:38 pm
BOI
- SAT
1 stop5h 47m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/245:47 am
SAT
- BOI
1 stop5h 19m
United Airlines
Tue 3/312:37 pm
BOI
- SAT
2 stops7h 22m
United Airlines
Deal found 2/1![United Airlines logo]()
$242
This Orbitz deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAT
- GEG
1 stop5h 36m
Frontier
Sun 4/1211:06 am
GEG
- SAT
1 stop11h 13m
Frontier
Deal found 1/31![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 2/1. 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 3/35:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Tue 3/106:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Deal found 2/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sat 2/2811:43 am
SAT
- BOI
2 stops10h 12m
United Airlines
Sat 3/72:40 pm
BOI
- SAT
1 stop5h 14m
United Airlines
Deal found 1/30![United Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/246:25 am
SAT
- BOI
1 stop5h 45m
Southwest
Thu 2/261:35 pm
BOI
- SAT
1 stop7h 25m
Southwest
Deal found 1/31![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/179:10 am
SAT
- JAC
1 stop5h 11m
United Airlines
Thu 5/281:45 pm
JAC
- SAT
1 stop6h 10m
United Airlines
Deal found 1/31![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/187:35 am
SAT
- JAC
2 stops9h 34m
Delta
Tue 4/215:05 pm
JAC
- SAT
1 stop6h 20m
Delta
Deal found 1/31![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 2/1. 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.
Sat 9/1912:50 pm
SAT
- IDA
2 stops10h 24m
Delta
Sat 9/266:50 pm
IDA
- SAT
1 stop4h 54m
Delta
Deal found 2/1![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/24:10 pm
SAT
- BOI
1 stop6h 31m
Delta
Tue 4/711:30 pm
BOI
- SAT
1 stop9h 25m
Delta
Deal found 1/31![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/24:45 pm
SAT
- GEG
1 stop6h 32m
United Airlines
Tue 3/35:00 am
GEG
- SAT
1 stop6h 08m
United Airlines
Deal found 1/31![United Airlines logo]()
$312
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 February 2, 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 February 2, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/245:47 am
SAT
- BOI
1 stop5h 19m
United Airlines
Tue 3/312:37 pm
BOI
- SAT
1 stop5h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:06 pm
SAT
- BOI
1 stop16h 34m
Multiple Airlines
Thu 2/2612:38 pm
BOI
- SAT
1 stop5h 47m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$238
This Orbitz deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAT
- GEG
1 stop5h 36m
Frontier
Sun 4/1211:06 am
GEG
- SAT
1 stop11h 13m
Frontier
Deal found 1/31![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 2/1. 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 3/35:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Tue 3/106:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Deal found 2/1![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/246:25 am
SAT
- BOI
1 stop5h 45m
Southwest
Thu 2/261:35 pm
BOI
- SAT
1 stop7h 25m
Southwest
Deal found 1/31![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/186:00 am
SAT
- JAC
1 stop7h 39m
American Airlines
Tue 4/211:25 pm
JAC
- SAT
1 stop5h 05m
American Airlines
Deal found 1/31![American Airlines logo]()
$299
This Travelocity deal was found by Cheapflights users on 2/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:57 pm
SAT
- IDA
1 stop7h 02m
Alaska Airlines
Mon 6/156:00 am
IDA
- SAT
1 stop10h 01m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sat 2/2811:43 am
SAT
- BOI
2 stops10h 12m
United Airlines
Sat 3/72:40 pm
BOI
- SAT
1 stop5h 14m
United Airlines
Deal found 1/30![United Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/187:35 am
SAT
- JAC
2 stops9h 34m
Delta
Tue 4/215:05 pm
JAC
- SAT
1 stop6h 20m
Delta
Deal found 1/31![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 1/30. 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.
Sat 2/286:45 am
SAT
- BOI
1 stop9h 05m
Southwest
Sat 3/73:00 pm
BOI
- SAT
1 stop7h 55m
Southwest
Deal found 1/30![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 2/1. 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 4/24:10 pm
SAT
- BOI
1 stop6h 31m
Delta
Tue 4/76:15 pm
BOI
- SAT
1 stop5h 01m
Delta
Deal found 2/1![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/24:45 pm
SAT
- GEG
1 stop6h 32m
United Airlines
Tue 3/35:00 am
GEG
- SAT
1 stop6h 08m
United Airlines
Deal found 1/31![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/287:25 pm
SAT
- GEG
1 stop6h 40m
Southwest
Sat 3/711:30 am
GEG
- SAT
1 stop10h 45m
Southwest
Deal found 1/31![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 6/177:00 am
SAT
- IDA
1 stop9h 40m
Alaska Airlines
Mon 6/226:00 am
IDA
- SAT
1 stop10h 01m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/21:13 pm
SAT
- GEG
2 stops9h 43m
Delta
Tue 3/312:48 pm
GEG
- SAT
1 stop9h 49m
Delta
Deal found 1/31![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/245:45 am
SAT
- BOI
1 stop11h 05m
Southwest
Mon 3/308:15 pm
BOI
- SAT
2 stops13h 45m
Southwest
Deal found 1/31![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 3/67:10 pm
SAT
- GEG
1 stop6h 04m
American Airlines
Wed 3/116:00 am
GEG
- SAT
1 stop6h 08m
American Airlines
Deal found 2/1![American Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/172:10 pm
SAT
- JAC
2 stops7h 49m
United Airlines
Thu 5/281:45 pm
JAC
- SAT
2 stops7h 57m
United Airlines
Deal found 1/31![United Airlines logo]()
$359
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:57 pm
SAT
- GEG
1 stop8h 29m
Alaska Airlines
Mon 6/295:48 pm
GEG
- SAT
1 stop9h 25m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/24:05 pm
SAT
- GEG
2 stops8h 50m
Southwest
Tue 3/310:50 am
GEG
- SAT
2 stops8h 50m
Southwest
Deal found 1/31![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/205:47 am
SAT
- IDA
1 stop5h 09m
United Airlines
Sun 3/222:35 pm
IDA
- SAT
1 stop7h 57m
United Airlines
Deal found 2/1![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:10 pm
SAT
- IDA
1 stop23h 33m
Alaska Airlines
Tue 2/245:20 pm
IDA
- SAT
1 stop22h 50m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 2/179:10 am
SAT
- JAC
1 stop7h 11m
United Airlines
Sat 2/217:00 am
JAC
- SAT
1 stop5h 08m
United Airlines
Deal found 2/1![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/96:15 am
SAT
- GEG
1 stop5h 35m
Southwest
Sun 4/122:30 pm
GEG
- SAT
2 stops8h 40m
Southwest
Deal found 1/31![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 6/64:16 pm
SAT
- JAC
1 stop5h 14m
United Airlines
Wed 6/104:25 pm
JAC
- SAT
1 stop6h 33m
United Airlines
Deal found 1/31![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:35 am
SAT
- IDA
1 stop5h 47m
Delta
Tue 2/241:10 pm
IDA
- SAT
2 stops9h 33m
Delta
Deal found 1/31![Delta logo]()
$491
This United Airlines deal was found by Cheapflights users on 1/30. 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 4/284:45 pm
SAT
- JAC
1 stop5h 08m
United Airlines
Sat 5/22:30 pm
JAC
- SAT
1 stop5h 19m
United Airlines
Deal found 1/30![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:25 pm
SAT
- GEG
1 stop6h 00m
Southwest
Sun 3/292:55 pm
GEG
- SAT
2 stops8h 35m
Southwest
Deal found 2/1![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/282:24 pm
SAT
- GEG
2 stops8h 53m
United Airlines
Sat 3/76:00 am
GEG
- SAT
2 stops12h 54m
United Airlines
Deal found 1/31![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:50 am
SAT
- GEG
1 stop8h 15m
Southwest
Wed 6/1012:35 pm
GEG
- SAT
1 stop5h 15m
Southwest
Deal found 2/1![Southwest logo]()
$432
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated February 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/106:20 pm
SAT
- IDA
1 stop5h 37m
Delta
Tue 2/176:35 pm
IDA
- SAT
1 stop5h 06m
Delta
Deal found 1/31![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/179:10 am
SAT
- JAC
1 stop5h 11m
United Airlines
Thu 5/281:45 pm
JAC
- SAT
1 stop6h 10m
United Airlines
Deal found 1/31![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/177:00 am
SAT
- JAC
2 stops10h 19m
Delta
Thu 5/285:59 pm
JAC
- SAT
1 stop5h 14m
Delta
Deal found 1/31![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 2/179:10 am
SAT
- JAC
1 stop7h 11m
United Airlines
Sat 2/217:00 am
JAC
- SAT
1 stop5h 08m
United Airlines
Deal found 2/1![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 2/1. 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 2/177:00 am
SAT
- JAC
2 stops13h 04m
Delta
Sat 2/211:05 pm
JAC
- SAT
1 stop7h 23m
Delta
Deal found 2/1![Delta logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/198:25 pm
SAT
- BOI
1 stop15h 46m
Frontier
Sun 2/2211:56 am
BOI
- SAT
2 stops19h 39m
Frontier
Deal found 1/31![Frontier logo]()
$332
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:06 pm
SAT
- BOI
1 stop16h 34m
Multiple Airlines
Thu 2/2612:38 pm
BOI
- SAT
1 stop5h 47m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/246:25 am
SAT
- BOI
1 stop5h 45m
Southwest
Thu 2/261:35 pm
BOI
- SAT
1 stop7h 25m
Southwest
Deal found 1/31![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/2411:43 am
SAT
- BOI
2 stops10h 12m
United Airlines
Thu 2/262:40 pm
BOI
- SAT
1 stop5h 16m
United Airlines
Deal found 1/31![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sat 2/2811:43 am
SAT
- BOI
2 stops10h 12m
United Airlines
Sat 3/72:40 pm
BOI
- SAT
1 stop5h 14m
United Airlines
Deal found 1/30![United Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/287:25 pm
SAT
- GEG
1 stop6h 40m
Southwest
Sat 3/711:30 am
GEG
- SAT
1 stop10h 45m
Southwest
Deal found 1/31![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/2811:43 am
SAT
- GEG
2 stops11h 34m
United Airlines
Sat 3/75:00 am
GEG
- SAT
1 stop6h 13m
United Airlines
Deal found 1/31![United Airlines logo]()
$341
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 February 2, 2026.
Search for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This CheapOair deal was found by Cheapflights users on 1/30. 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.
Wed 4/153:14 pm
SAT
- BOI
1 stop20h 54m
Frontier
Deal found 1/30![Frontier logo]()
$107
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 4/155:30 am
SAT
- BOI
2 stops10h 54m
United Airlines
Deal found 1/30![United Airlines logo]()
$124
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Sun 2/1511:35 am
SAT
- GEG
1 stop10h 57m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/232:10 pm
SAT
- GEG
1 stop10h 50m
United Airlines
Deal found 1/31![United Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 5/217:30 am
SAT
- BOI
2 stops10h 49m
Delta
Deal found 1/31![Delta logo]()
$218
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 5/213:20 pm
SAT
- BOI
1 stop9h 10m
Southwest
Deal found 1/31![Southwest logo]()
$219
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/236:40 am
SAT
- GEG
2 stops10h 18m
Delta
Deal found 1/31![Delta logo]()
$228
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/175:17 am
SAT
- GEG
1 stop8h 27m
American Airlines
Deal found 2/1![American Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 2/179:58 am
SAT
- GEG
2 stops13h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:14 pm
SAT
- BOI
3 stops24h 09m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Sun 2/156:00 am
SAT
- GEG
2 stops9h 48m
American Airlines
Deal found 1/31![American Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:20 am
SAT
- GEG
3 stops27h 46m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$301
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 February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (United Airlines) |
One-way from | $107 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $320 |
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 February 2, 2026.
Use the filters below to find and compare flights from San Antonio to Idaho that are best for you.
Fly from
San Antonio
Fly to
Idaho
Route
Depart
Return
Price
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 3/24
5:47 am-10:06 am
1 stop5h 19m
Boise Air Term. Gowen Fld
Tue 3/31
2:37 pm-8:42 pm
1 stop5h 05m
$237
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 2/24
6:06 pm-9:40 am
1 stop16h 34m
Boise Air Term. Gowen Fld
Thu 2/26
12:38 pm-7:25 pm
1 stop5h 47m
$238
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Thu 4/9
6:45 am-10:21 am
1 stop5h 36m
Spokane
Sun 4/12
11:06 am-12:19 am
1 stop11h 13m
$281
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Tue 3/3
5:59 pm-10:21 pm
1 stop5h 22m
Idaho Falls Fanning Field
Tue 3/10
6:55 pm-12:16 am
1 stop4h 21m
$289
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Sat 2/28
11:43 am-8:55 pm
2 stops10h 12m
Boise Air Term. Gowen Fld
Sat 3/7
2:40 pm-8:54 pm
1 stop5h 14m
$292
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 2/24
6:25 am-11:10 am
1 stop5h 45m
Boise Air Term. Gowen Fld
Thu 2/26
1:35 pm-10:00 pm
1 stop7h 25m
$294
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sat 4/18
6:00 am-12:39 pm
1 stop7h 39m
Jackson Hole
Tue 4/21
1:25 pm-7:30 pm
1 stop5h 05m
$299
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sat 4/18
7:35 am-4:09 pm
2 stops9h 34m
Jackson Hole
Tue 4/21
5:05 pm-12:25 am
1 stop6h 20m
$304
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Thu 4/2
4:10 pm-9:41 pm
1 stop6h 31m
Boise Air Term. Gowen Fld
Tue 4/7
6:15 pm-12:16 am
1 stop5h 01m
$311
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Mon 3/2
4:45 pm-9:17 pm
1 stop6h 32m
Spokane
Tue 3/3
5:00 am-1:08 pm
1 stop6h 08m
$312
Showing 1-10 of 45 results
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 $108). Flying from San Antonio to Idaho in July is currently the most expensive (average of $263). 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.
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 February 2, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Antonio to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from San Antonio to Idaho
Discover the top 5 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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$233 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$194 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$262 | Average$402 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$456 | FlexibilityNo cancel fee | On-time69% |