$129+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jun 9 — Jun 161
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 May 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 May 10, 2026.
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:54 pm
SAT
- BOI
1 stop17h 44m
Frontier
Tue 6/91:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Wed 6/1012:31 pm
GEG
- SAT
1 stop28h 25m
Frontier
Deal found 5/6![Frontier logo]()
$220
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:54 pm
SAT
- BOI
1 stop17h 44m
Frontier
Tue 6/91:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$233
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:51 pm
SAT
- GEG
1 stop17h 45m
Frontier
Fri 6/1212:31 pm
GEG
- SAT
1 stop28h 25m
Frontier
Deal found 5/10![Frontier logo]()
$242
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:54 pm
SAT
- BOI
1 stop17h 36m
Frontier
Thu 6/41:33 pm
BOI
- SAT
1 stop28h 26m
Frontier
Deal found 5/6![Frontier logo]()
$247
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Mon 6/812:33 pm
GEG
- SAT
1 stop28h 23m
Frontier
Deal found 5/7![Frontier logo]()
$247
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:54 pm
SAT
- BOI
1 stop17h 36m
Frontier
Sun 6/71:33 pm
BOI
- SAT
1 stop28h 26m
Frontier
Deal found 5/6![Frontier logo]()
$254
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:51 pm
SAT
- GEG
1 stop17h 46m
Frontier
Mon 8/1712:32 pm
GEG
- SAT
1 stop28h 24m
Frontier
Deal found 5/6![Frontier logo]()
$273
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:51 pm
SAT
- GEG
1 stop17h 46m
Frontier
Mon 8/1012:32 pm
GEG
- SAT
1 stop28h 22m
Frontier
Deal found 5/6![Frontier logo]()
$281
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:54 pm
SAT
- BOI
1 stop17h 33m
Frontier
Sun 6/211:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$320
This Delta deal was found by Cheapflights users on 5/7. 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 6/157:10 am
SAT
- IDA
2 stops12h 07m
Delta
Mon 6/223:25 pm
IDA
- SAT
1 stop7h 51m
Delta
Deal found 5/7![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/7. 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 6/157:10 am
SAT
- IDA
2 stops12h 07m
Delta
Thu 6/2511:25 am
IDA
- SAT
2 stops11h 27m
Delta
Deal found 5/7![Delta logo]()
$349
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 May 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/231:39 pm
SAT
- JAC
1 stop5h 15m
United Airlines
Wed 5/271:42 pm
JAC
- SAT
1 stop6h 12m
United Airlines
Deal found 5/8![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:30 am
SAT
- GEG
2 stops11h 27m
Delta
Mon 6/89:20 am
GEG
- SAT
2 stops12h 32m
Delta
Deal found 5/5![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:53 pm
SAT
- GEG
1 stop7h 32m
Alaska Airlines
Wed 9/27:00 am
GEG
- SAT
1 stop6h 57m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 5/8. 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.
Mon 9/76:25 am
SAT
- GEG
1 stop5h 50m
Southwest
Mon 9/1410:55 am
GEG
- SAT
1 stop6h 15m
Southwest
Deal found 5/8![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 5/7. 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.
Sun 9/132:10 pm
SAT
- JAC
1 stop7h 13m
Delta
Sat 9/195:30 pm
JAC
- SAT
1 stop6h 14m
Delta
Deal found 5/7![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:30 am
SAT
- GEG
2 stops11h 42m
United Airlines
Tue 6/94:08 pm
GEG
- SAT
1 stop5h 47m
United Airlines
Deal found 5/6![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 8/137:10 am
SAT
- GEG
2 stops8h 05m
Southwest
Mon 8/176:55 am
GEG
- SAT
2 stops10h 05m
Southwest
Deal found 5/6![Southwest logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Wed 8/264:53 pm
SAT
- BOI
1 stop6h 40m
Alaska Airlines
Wed 9/28:00 am
BOI
- SAT
1 stop6h 57m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/9. 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 8/2612:39 pm
SAT
- JAC
1 stop5h 18m
Delta
Mon 8/315:30 pm
JAC
- SAT
1 stop6h 14m
Delta
Deal found 5/9![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 5/9. 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.
Thu 6/49:40 pm
SAT
- GEG
1 stop5h 40m
Southwest
Mon 6/812:55 pm
GEG
- SAT
1 stop10h 15m
Southwest
Deal found 5/9![Southwest logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 9/14:53 pm
SAT
- BOI
1 stop7h 51m
Alaska Airlines
Wed 9/28:00 am
BOI
- SAT
1 stop6h 57m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:40 am
SAT
- IDA
1 stop5h 10m
United Airlines
Sat 7/255:54 pm
IDA
- SAT
1 stop5h 05m
United Airlines
Deal found 5/6![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 5/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:20 am
SAT
- JAC
2 stops10h 40m
Delta
Tue 7/146:05 pm
JAC
- SAT
1 stop5h 21m
Delta
Deal found 5/5![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 5/6. 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.
Thu 9/2411:10 am
SAT
- GEG
2 stops7h 45m
Southwest
Thu 10/16:00 am
GEG
- SAT
2 stops9h 30m
Southwest
Deal found 5/6![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 am
SAT
- IDA
1 stop5h 23m
United Airlines
Sat 9/264:04 pm
IDA
- SAT
1 stop6h 48m
United Airlines
Deal found 5/5![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:03 am
SAT
- IDA
2 stops12h 53m
Alaska Airlines
Sat 9/266:18 am
IDA
- SAT
1 stop8h 58m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/9. 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 7/66:03 pm
SAT
- IDA
1 stop5h 28m
Delta
Sun 7/127:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 5/9![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:35 pm
SAT
- BOI
1 stop5h 50m
United Airlines
Sun 9/65:00 am
BOI
- SAT
1 stop6h 43m
United Airlines
Deal found 5/5![United Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 5/6. 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.
Sun 6/72:00 pm
SAT
- GEG
2 stops12h 45m
Southwest
Wed 6/105:00 am
GEG
- SAT
2 stops8h 00m
Southwest
Deal found 5/6![Southwest logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 6/194:44 pm
SAT
- IDA
1 stop6h 55m
Alaska Airlines
Mon 6/221:43 pm
IDA
- SAT
1 stop14h 17m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 5/8. 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.
Sun 7/195:30 am
SAT
- GEG
1 stop5h 35m
Southwest
Wed 7/2910:20 am
GEG
- SAT
2 stops12h 10m
Southwest
Deal found 5/8![Southwest logo]()
$436
This Delta deal was found by Cheapflights users on 5/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:35 am
SAT
- IDA
1 stop5h 12m
Delta
Sat 5/3011:30 am
IDA
- SAT
2 stops9h 57m
Delta
Deal found 5/5![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 5/265:30 am
SAT
- IDA
1 stop5h 20m
United Airlines
Sat 5/305:54 pm
IDA
- SAT
1 stop5h 05m
United Airlines
Deal found 5/8![United Airlines logo]()
$463
This Southwest deal was found by Cheapflights users on 5/8. 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 6/119:40 pm
SAT
- BOI
1 stop5h 05m
Southwest
Tue 6/1611:30 am
BOI
- SAT
1 stop12h 00m
Southwest
Deal found 5/8![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 6/56:10 pm
SAT
- BOI
1 stop6h 36m
Delta
Mon 6/86:42 pm
BOI
- SAT
1 stop4h 34m
Delta
Deal found 5/7![Delta logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 6/45:57 pm
SAT
- IDA
1 stop22h 29m
Alaska Airlines
Tue 6/91:54 pm
IDA
- SAT
1 stop14h 46m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sun 6/75:30 am
SAT
- BOI
1 stop5h 15m
United Airlines
Sun 6/145:46 pm
BOI
- SAT
1 stop5h 09m
United Airlines
Deal found 5/9![United Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 5/6. 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.
Mon 6/16:45 pm
SAT
- BOI
2 stops7h 15m
Southwest
Thu 6/412:10 pm
BOI
- SAT
2 stops7h 25m
Southwest
Deal found 5/6![Southwest logo]()
$460
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:30 am
SAT
- IDA
1 stop5h 20m
United Airlines
Mon 5/252:30 pm
IDA
- SAT
1 stop5h 24m
United Airlines
Deal found 5/5![United Airlines logo]()
$488
This Southwest deal was found by Cheapflights users on 5/6. 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 7/252:00 pm
SAT
- BOI
2 stops9h 35m
Southwest
Tue 8/46:00 am
BOI
- SAT
2 stops7h 35m
Southwest
Deal found 5/6![Southwest logo]()
$498
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated May 10, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:54 pm
SAT
- BOI
1 stop17h 33m
Frontier
Sun 6/211:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$320
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/231:39 pm
SAT
- JAC
1 stop5h 15m
United Airlines
Wed 5/271:42 pm
JAC
- SAT
1 stop6h 12m
United Airlines
Deal found 5/8![United Airlines logo]()
$359
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:54 pm
SAT
- BOI
1 stop17h 36m
Frontier
Thu 6/41:33 pm
BOI
- SAT
1 stop28h 26m
Frontier
Deal found 5/6![Frontier logo]()
$247
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:54 pm
SAT
- BOI
1 stop17h 36m
Frontier
Sun 6/71:33 pm
BOI
- SAT
1 stop28h 26m
Frontier
Deal found 5/6![Frontier logo]()
$254
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:54 pm
SAT
- BOI
1 stop17h 44m
Frontier
Tue 6/91:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$219
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Mon 6/812:33 pm
GEG
- SAT
1 stop28h 23m
Frontier
Deal found 5/7![Frontier logo]()
$247
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:54 pm
SAT
- BOI
1 stop17h 44m
Frontier
Tue 6/91:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 5/6![Frontier logo]()
$233
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:30 am
SAT
- IDA
1 stop5h 20m
United Airlines
Mon 6/85:54 pm
IDA
- SAT
1 stop5h 01m
United Airlines
Deal found 5/6![United Airlines logo]()
$364
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Wed 6/1012:31 pm
GEG
- SAT
1 stop28h 25m
Frontier
Deal found 5/6![Frontier logo]()
$220
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:51 pm
SAT
- GEG
1 stop17h 45m
Frontier
Fri 6/1212:31 pm
GEG
- SAT
1 stop28h 25m
Frontier
Deal found 5/10![Frontier logo]()
$242
This Delta deal was found by Cheapflights users on 5/7. 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 6/157:10 am
SAT
- IDA
2 stops12h 07m
Delta
Mon 6/223:25 pm
IDA
- SAT
1 stop7h 51m
Delta
Deal found 5/7![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/7. 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 6/157:10 am
SAT
- IDA
2 stops12h 07m
Delta
Thu 6/2511:25 am
IDA
- SAT
2 stops11h 27m
Delta
Deal found 5/7![Delta logo]()
$349
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 May 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 May 10, 2026.
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:51 pm
SAT
- BOI
1 stop17h 39m
Frontier
Deal found 5/6![Frontier logo]()
$129
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Deal found 5/8![Frontier logo]()
$130
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:54 pm
SAT
- GEG
1 stop17h 44m
Frontier
Deal found 5/8![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:59 pm
SAT
- GEG
1 stop24h 58m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 pm
SAT
- GEG
1 stop5h 57m
American Airlines
Deal found 5/5![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:59 pm
SAT
- BOI
2 stops16h 31m
Frontier
Deal found 5/7![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:51 pm
SAT
- GEG
2 stops17h 11m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:54 pm
SAT
- BOI
1 stop17h 44m
Frontier
Deal found 5/7![Frontier logo]()
$202
This Southwest deal was found by Cheapflights users on 5/7. 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 6/89:40 pm
SAT
- BOI
1 stop5h 05m
Southwest
Deal found 5/7![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:59 pm
SAT
- BOI
2 stops40h 31m
Frontier
Deal found 5/7![Frontier logo]()
$206
This Delta deal was found by Cheapflights users on 5/7. 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 6/96:05 am
SAT
- BOI
1 stop8h 46m
Delta
Deal found 5/7![Delta logo]()
$207
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/122:48 pm
SAT
- JAC
1 stop5h 54m
American Airlines
Deal found 5/6![American Airlines logo]()
$210
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Mytrip) |
One-way from | $129 (Mytrip) |
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 May 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 AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sat 5/23
1:39 pm-5:54 pm
1 stop5h 15m
Jackson Hole
Wed 5/27
1:42 pm-8:54 pm
1 stop6h 12m
$359
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Thu 6/4
7:30 am-4:57 pm
2 stops11h 27m
Spokane
Mon 6/8
9:20 am-11:52 pm
2 stops12h 32m
$371
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sun 9/13
2:10 pm-8:23 pm
1 stop7h 13m
Jackson Hole
Sat 9/19
5:30 pm-12:44 am
1 stop6h 14m
$375
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Wed 8/26
12:39 pm-4:57 pm
1 stop5h 18m
Jackson Hole
Mon 8/31
5:30 pm-12:44 am
1 stop6h 14m
$375
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Sat 6/6
5:30 am-3:12 pm
2 stops11h 42m
Spokane
Tue 6/9
4:08 pm-11:55 pm
1 stop5h 47m
$380
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Wed 7/8
7:20 am-5:00 pm
2 stops10h 40m
Jackson Hole
Tue 7/14
6:05 pm-12:26 am
1 stop5h 21m
$380
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Tue 9/1
4:53 pm-10:25 pm
1 stop7h 32m
Spokane
Wed 9/2
7:00 am-3:57 pm
1 stop6h 57m
$383
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Mon 9/7
6:25 am-10:15 am
1 stop5h 50m
Spokane
Mon 9/14
10:55 am-7:10 pm
1 stop6h 15m
$388
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Thu 8/13
7:10 am-1:15 pm
2 stops8h 05m
Spokane
Mon 8/17
6:55 am-7:00 pm
2 stops10h 05m
$398
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 8/26
4:53 pm-10:33 pm
1 stop6h 40m
Boise Air Term. Gowen Fld
Wed 9/2
8:00 am-3:57 pm
1 stop6h 57m
$403
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Antonio to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Antonio with our price prediction graph.
SAT-BOI
SAT-GEG
SAT-IDA
SAT-JAC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Idaho
SAT-USID
SAT-BOI
SAT-GEG
SAT-IDA
SAT-JAC
What is the cheapest month to book a flight from San Antonio to Idaho?
Currently, 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 January is currently the most expensive (average of $322). 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 May 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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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 May 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$421 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$442 | FlexibilityNo cancel fee | On-time69% |