$146+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jul 10 — Jul 171
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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:50 am
SAT
- BOI
1 stop6h 24m
Delta
Wed 9/26:45 pm
BOI
- SAT
1 stop4h 41m
Delta
Deal found 6/9![Delta logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/9![Alaska Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/266:00 am
SAT
- BOI
1 stop6h 16m
American Airlines
Wed 9/21:55 pm
BOI
- SAT
2 stops7h 55m
American Airlines
Deal found 6/9![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Tue 8/47:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 6/10![Delta logo]()
$297
This CheapOair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/17:51 pm
SAT
- BOI
1 stop17h 39m
Frontier
Thu 7/91:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/8![Frontier logo]()
$299
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:10 pm
SAT
- BOI
1 stop7h 54m
Delta
Fri 9/187:00 am
BOI
- SAT
1 stop6h 47m
Delta
Deal found 6/10![Delta logo]()
$305
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/9![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/10![Frontier logo]()
$319
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:49 pm
SAT
- GEG
1 stop6h 44m
Delta
Tue 8/186:16 am
GEG
- SAT
1 stop6h 41m
Delta
Deal found 6/10![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:21 pm
SAT
- IDA
1 stop7h 21m
Alaska Airlines
Wed 11/186:04 am
IDA
- SAT
1 stop9h 21m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/74:35 pm
SAT
- BOI
1 stop5h 54m
United Airlines
Tue 7/215:46 pm
BOI
- SAT
1 stop5h 09m
United Airlines
Deal found 6/7![United Airlines logo]()
$333
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:44 pm
SAT
- BOI
1 stop8h 20m
Multiple Airlines
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$336
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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/264:49 pm
SAT
- BOI
1 stop7h 11m
Delta
Wed 9/27:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 6/8![Delta logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:21 pm
SAT
- IDA
1 stop7h 21m
Alaska Airlines
Wed 11/186:04 am
IDA
- SAT
1 stop9h 21m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/247:10 am
SAT
- GEG
2 stops8h 05m
Southwest
Sat 8/2911:20 am
GEG
- SAT
1 stop6h 25m
Southwest
Deal found 6/7![Southwest logo]()
$348
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/15:40 am
SAT
- JAC
2 stops9h 08m
United Airlines
Wed 8/54:23 pm
JAC
- SAT
1 stop6h 32m
United Airlines
Deal found 6/9![United Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Tue 8/47:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 6/10![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/9![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:40 pm
SAT
- GEG
1 stop6h 15m
Southwest
Mon 9/76:55 am
GEG
- SAT
1 stop11h 20m
Southwest
Deal found 6/8![Southwest logo]()
$405
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Thu 8/67:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/8![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:25 pm
SAT
- BOI
1 stop5h 10m
Southwest
Tue 7/216:00 am
BOI
- SAT
2 stops7h 35m
Southwest
Deal found 6/7![Southwest logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/187:41 pm
GEG
- SAT
2 stops18h 32m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/79:10 am
SAT
- IDA
1 stop7h 13m
United Airlines
Thu 9/102:25 pm
IDA
- SAT
1 stop5h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:55 pm
SAT
- BOI
1 stop7h 40m
Southwest
Tue 7/286:30 am
BOI
- SAT
2 stops7h 30m
Southwest
Deal found 6/8![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/112:39 pm
SAT
- JAC
1 stop7h 15m
Delta
Wed 8/56:01 pm
JAC
- SAT
1 stop5h 25m
Delta
Deal found 6/9![Delta logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Sun 9/135:17 pm
SAT
- JAC
1 stop19h 05m
Alaska Airlines
Sat 9/193:10 pm
JAC
- SAT
2 stops24h 09m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/99:07 am
SAT
- IDA
1 stop5h 22m
United Airlines
Sat 9/124:04 pm
IDA
- SAT
1 stop6h 53m
United Airlines
Deal found 6/7![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Fri 9/186:00 am
IDA
- SAT
2 stops7h 47m
Delta
Deal found 6/6![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:55 pm
SAT
- GEG
1 stop8h 15m
Southwest
Thu 7/305:25 am
GEG
- SAT
1 stop7h 45m
Southwest
Deal found 6/9![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
SAT
- IDA
2 stops8h 48m
United Airlines
Sat 9/264:05 pm
IDA
- SAT
1 stop6h 53m
United Airlines
Deal found 6/9![United Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sun 8/3010:59 am
SAT
- GEG
2 stops12h 02m
Alaska Airlines
Wed 9/27:03 am
GEG
- SAT
2 stops10h 34m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Wed 7/226:42 pm
BOI
- SAT
1 stop4h 44m
Delta
Deal found 6/7![Delta logo]()
$400
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/206:35 am
SAT
- GEG
2 stops10h 00m
Southwest
Tue 6/302:55 pm
GEG
- SAT
1 stop6h 20m
Southwest
Deal found 6/6![Southwest logo]()
$473
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:03 pm
SAT
- BOI
1 stop7h 02m
Delta
Mon 8/37:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 6/10![Delta logo]()
$400
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:25 pm
SAT
- BOI
2 stops7h 10m
Southwest
Sun 8/23:55 pm
BOI
- SAT
2 stops8h 50m
Southwest
Deal found 6/9![Southwest logo]()
$491
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
SAT
- JAC
1 stop6h 23m
Delta
Mon 9/285:54 pm
JAC
- SAT
1 stop5h 32m
Delta
Deal found 6/9![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/296:50 am
SAT
- GEG
2 stops10h 29m
Delta
Sun 9/61:23 pm
GEG
- SAT
1 stop5h 53m
Delta
Deal found 6/8![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:03 pm
SAT
- IDA
1 stop5h 28m
Delta
Sun 7/127:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/6![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/136:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sun 9/206:00 am
IDA
- SAT
2 stops7h 47m
Delta
Deal found 6/8![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:03 pm
SAT
- GEG
2 stops7h 56m
Delta
Sun 9/65:30 am
GEG
- SAT
1 stop6h 01m
Delta
Deal found 6/8![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/34:49 pm
SAT
- GEG
2 stops9h 10m
Delta
Sun 9/65:15 am
GEG
- SAT
2 stops8h 44m
Delta
Deal found 6/8![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Sun 7/266:42 pm
BOI
- SAT
1 stop4h 44m
Delta
Deal found 6/6![Delta logo]()
$467
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated June 10, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sat 6/207:51 pm
SAT
- BOI
1 stop17h 39m
Frontier
Tue 6/231:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 6/6![Frontier logo]()
$351
This CheapOair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/17:51 pm
SAT
- BOI
1 stop17h 39m
Frontier
Thu 7/91:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/8![Frontier logo]()
$299
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:44 pm
SAT
- BOI
1 stop7h 20m
Delta
Wed 7/297:00 am
BOI
- SAT
1 stop6h 53m
Delta
Deal found 6/10![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/76:30 am
SAT
- BOI
1 stop6h 44m
Delta
Tue 7/146:42 pm
BOI
- SAT
1 stop4h 44m
Delta
Deal found 6/7![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/144:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Wed 7/294:00 pm
BOI
- SAT
1 stop6h 54m
Delta
Deal found 6/8![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
SAT
- BOI
1 stop5h 45m
Southwest
Wed 7/295:30 am
BOI
- SAT
2 stops8h 05m
Southwest
Deal found 6/8![Southwest logo]()
$373
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/9![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/10![Frontier logo]()
$319
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:46 pm
SAT
- BOI
1 stop7h 12m
Delta
Tue 8/47:00 am
BOI
- SAT
1 stop6h 57m
Delta
Deal found 6/10![Delta logo]()
$297
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:44 pm
SAT
- BOI
1 stop8h 20m
Multiple Airlines
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:39 pm
SAT
- BOI
2 stops9h 26m
United Airlines
Tue 8/45:46 pm
BOI
- SAT
1 stop5h 09m
United Airlines
Deal found 6/10![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Thu 8/67:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/8![Delta logo]()
$354
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 June 10, 2026.
Search for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This CheapOair deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/17:51 pm
SAT
- BOI
1 stop17h 39m
Frontier
Deal found 6/7![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Thu 8/137:02 am
SAT
- GEG
1 stop7h 27m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$158
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Deal found 6/10![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/37:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Deal found 6/9![Frontier logo]()
$165
This CheapOair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/77:51 pm
SAT
- BOI
1 stop17h 18m
Frontier
Deal found 6/9![Frontier logo]()
$166
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:39 pm
SAT
- BOI
1 stop6h 12m
Delta
Deal found 6/10![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:39 pm
SAT
- BOI
2 stops9h 26m
United Airlines
Deal found 6/10![United Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/136:20 pm
SAT
- GEG
1 stop5h 40m
Southwest
Deal found 6/8![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:25 pm
SAT
- GEG
1 stop5h 45m
Southwest
Deal found 6/5![Southwest logo]()
$196
This Priceline deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Tue 6/304:44 pm
SAT
- BOI
1 stop6h 40m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/254:35 pm
SAT
- GEG
1 stop5h 55m
United Airlines
Deal found 6/9![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/42:15 pm
SAT
- BOI
2 stops8h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$207
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Delta) |
One-way from | $146 (CheapOair) |
Popular in | November |
Cheapest in | September |
Average price | $392 |
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 June 10, 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 AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 8/26
4:49 pm-11:00 pm
1 stop7h 11m
Boise Air Term. Gowen Fld
Wed 9/2
7:00 am-2:57 pm
1 stop6h 57m
$219
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 7/28
4:46 pm-10:58 pm
1 stop7h 12m
Boise Air Term. Gowen Fld
Tue 8/4
7:00 am-2:57 pm
1 stop6h 57m
$297
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Fri 8/14
4:49 pm-9:33 pm
1 stop6h 44m
Spokane
Tue 8/18
6:16 am-2:57 pm
1 stop6h 41m
$327
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 11/14
5:21 pm-11:42 pm
1 stop7h 21m
Idaho Falls Fanning Field
Wed 11/18
6:04 am-4:25 pm
1 stop9h 21m
$329
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Mon 8/24
7:10 am-1:15 pm
2 stops8h 05m
Spokane
Sat 8/29
11:20 am-7:45 pm
1 stop6h 25m
$348
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Thu 7/30
6:03 pm-10:32 pm
1 stop5h 29m
Idaho Falls Fanning Field
Thu 8/6
7:00 pm-12:26 am
1 stop4h 26m
$354
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sat 8/1
12:39 pm-6:54 pm
1 stop7h 15m
Jackson Hole
Wed 8/5
6:01 pm-12:26 am
1 stop5h 25m
$375
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Fri 9/4
6:03 pm-10:32 pm
1 stop5h 29m
Idaho Falls Fanning Field
Fri 9/18
6:00 am-2:47 pm
2 stops7h 47m
$384
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Mon 7/13
4:46 pm-10:58 pm
1 stop7h 12m
Boise Air Term. Gowen Fld
Wed 7/22
6:42 pm-12:26 am
1 stop4h 44m
$400
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 7/28
6:03 pm-12:05 am
1 stop7h 02m
Boise Air Term. Gowen Fld
Mon 8/3
7:00 am-2:57 pm
1 stop6h 57m
$400
Showing 1-10 of 57 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-IDA
SAT-GEG
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-IDA
SAT-GEG
SAT-JAC
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 June 10, 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.
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$546 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$434 | FlexibilityNo cancel fee | On-time69% |