$117+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Apr 27 — May 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Antonio to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Idaho
Cheapest
Best
Last-minute
One-way
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 March 28, 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 March 28, 2026.
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAT
- BOI
1 stop5h 23m
Frontier
Sun 4/1212:03 pm
BOI
- SAT
1 stop11h 16m
Frontier
Deal found 3/25![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/154:49 pm
SAT
- BOI
1 stop19h 19m
Frontier
Sun 4/1911:53 am
BOI
- SAT
1 stop25h 22m
Frontier
Deal found 3/26![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/87:45 am
SAT
- BOI
1 stop28h 23m
Frontier
Thu 4/1611:53 am
BOI
- SAT
1 stop25h 22m
Frontier
Deal found 3/25![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/26:55 pm
SAT
- BOI
1 stop5h 35m
Southwest
Tue 6/93:15 pm
BOI
- SAT
1 stop8h 00m
Southwest
Deal found 3/23![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/297:15 am
SAT
- BOI
1 stop7h 05m
Southwest
Sat 5/26:05 am
BOI
- SAT
1 stop5h 00m
Southwest
Deal found 3/25![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/288:20 am
SAT
- BOI
2 stops8h 05m
Southwest
Sat 5/26:05 am
BOI
- SAT
2 stops7h 45m
Southwest
Deal found 3/25![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/166:35 am
SAT
- GEG
1 stop7h 26m
Delta
Wed 5/2012:27 pm
GEG
- SAT
1 stop10h 17m
Delta
Deal found 3/25![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/95:40 am
SAT
- GEG
1 stop6h 45m
Southwest
Tue 5/122:40 pm
GEG
- SAT
1 stop6h 50m
Southwest
Deal found 3/23![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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
- BOI
1 stop5h 37m
United Airlines
Fri 5/16:30 am
BOI
- SAT
1 stop5h 26m
United Airlines
Deal found 3/25![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/92:25 pm
SAT
- GEG
2 stops8h 51m
United Airlines
Tue 5/126:00 am
GEG
- SAT
2 stops12h 49m
United Airlines
Deal found 3/23![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/206:50 am
SAT
- GEG
1 stop8h 15m
Southwest
Wed 5/202:40 pm
GEG
- SAT
1 stop6h 50m
Southwest
Deal found 3/25![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sat 9/266:50 pm
IDA
- SAT
1 stop4h 54m
Delta
Deal found 3/25![Delta logo]()
$339
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 March 28, 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 March 28, 2026.
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/34:55 pm
SAT
- BOI
2 stops7h 25m
Southwest
Wed 6/1011:45 am
BOI
- SAT
2 stops11h 45m
Southwest
Deal found 3/23![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/166:35 am
SAT
- GEG
1 stop7h 26m
Delta
Wed 5/2012:27 pm
GEG
- SAT
1 stop10h 17m
Delta
Deal found 3/25![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/92:25 pm
SAT
- GEG
2 stops8h 51m
United Airlines
Tue 5/126:00 am
GEG
- SAT
2 stops12h 49m
United Airlines
Deal found 3/23![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 9/1912:39 pm
SAT
- IDA
2 stops11h 00m
Alaska Airlines
Sat 9/266:15 am
IDA
- SAT
2 stops10h 30m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$550
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/95:40 am
SAT
- GEG
1 stop6h 45m
Southwest
Tue 5/122:40 pm
GEG
- SAT
1 stop6h 50m
Southwest
Deal found 3/23![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sat 9/266:50 pm
IDA
- SAT
1 stop4h 54m
Delta
Deal found 3/25![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/1111:46 am
SAT
- JAC
2 stops10h 07m
United Airlines
Wed 4/1510:40 am
JAC
- SAT
2 stops8h 08m
United Airlines
Deal found 3/27![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/206:20 am
SAT
- GEG
2 stops8h 45m
Southwest
Wed 5/202:40 pm
GEG
- SAT
1 stop6h 50m
Southwest
Deal found 3/25![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/154:45 pm
SAT
- BOI
1 stop6h 50m
United Airlines
Sat 4/187:11 am
BOI
- SAT
2 stops12h 31m
United Airlines
Deal found 3/23![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/67:00 am
SAT
- JAC
1 stop6h 14m
Delta
Sun 5/107:00 am
JAC
- SAT
1 stop9h 20m
Delta
Deal found 3/27![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/126:31 am
SAT
- JAC
1 stop6h 44m
Delta
Tue 6/166:06 pm
JAC
- SAT
1 stop5h 10m
Delta
Deal found 3/24![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/125:55 pm
SAT
- BOI
2 stops6h 35m
Southwest
Thu 5/212:15 pm
BOI
- SAT
1 stop9h 00m
Southwest
Deal found 3/27![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/214:45 pm
SAT
- GEG
1 stop6h 26m
United Airlines
Wed 4/225:05 am
GEG
- SAT
1 stop5h 55m
United Airlines
Deal found 3/23![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/187:00 am
SAT
- JAC
1 stop6h 04m
Delta
Tue 4/211:00 pm
JAC
- SAT
2 stops9h 36m
Delta
Deal found 3/23![Delta logo]()
$396
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 6/105:55 pm
SAT
- GEG
2 stops7h 50m
Southwest
Tue 6/1610:20 am
GEG
- SAT
2 stops12h 10m
Southwest
Deal found 3/23![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/166:39 am
SAT
- BOI
1 stop8h 47m
Delta
Sun 4/198:30 am
BOI
- SAT
1 stop7h 42m
Delta
Deal found 3/23![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 7/255:30 am
SAT
- JAC
2 stops9h 18m
United Airlines
Fri 7/314:23 pm
JAC
- SAT
1 stop6h 36m
United Airlines
Deal found 3/23![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/125:10 am
SAT
- BOI
1 stop8h 28m
Delta
Wed 4/157:05 am
BOI
- SAT
1 stop6h 28m
Delta
Deal found 3/25![Delta logo]()
$425
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/246:45 pm
SAT
- BOI
2 stops7h 15m
Southwest
Sun 4/263:25 pm
BOI
- SAT
1 stop8h 45m
Southwest
Deal found 3/26![Southwest logo]()
$475
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 7/66:31 am
SAT
- IDA
1 stop5h 12m
Delta
Fri 7/107:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 3/25![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 7/66:31 am
SAT
- IDA
1 stop5h 12m
Delta
Sun 7/127:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 3/24![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 6/126:31 am
SAT
- BOI
1 stop6h 44m
Delta
Mon 6/154:00 pm
BOI
- SAT
1 stop6h 52m
Delta
Deal found 3/26![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/117:00 am
SAT
- BOI
1 stop6h 05m
Delta
Fri 4/1711:35 pm
BOI
- SAT
1 stop9h 11m
Delta
Deal found 3/25![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/235:20 am
SAT
- JAC
2 stops11h 53m
Delta
Thu 4/301:00 pm
JAC
- SAT
2 stops9h 36m
Delta
Deal found 3/26![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/252:26 pm
SAT
- JAC
1 stop6h 37m
Delta
Fri 7/316:06 pm
JAC
- SAT
1 stop5h 20m
Delta
Deal found 3/27![Delta logo]()
$505
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 6/62:00 pm
SAT
- JAC
2 stops8h 29m
Delta
Wed 6/107:00 am
JAC
- SAT
1 stop9h 13m
Delta
Deal found 3/24![Delta logo]()
$510
Last-minute flights from San Antonio to IdahoDiscover last-minute flight deals from San Antonio to Idaho. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho. Data last updated March 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/87:45 am
SAT
- BOI
1 stop28h 23m
Frontier
Thu 4/1611:53 am
BOI
- SAT
1 stop25h 22m
Frontier
Deal found 3/25![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAT
- BOI
1 stop5h 23m
Frontier
Sun 4/1212:03 pm
BOI
- SAT
1 stop11h 16m
Frontier
Deal found 3/25![Frontier logo]()
$200
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/118:45 am
SAT
- JAC
1 stop5h 36m
United Airlines
Wed 4/1510:40 am
JAC
- SAT
2 stops8h 08m
United Airlines
Deal found 3/27![United Airlines logo]()
$364
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/126:45 am
SAT
- BOI
1 stop5h 23m
Frontier
Thu 4/1611:53 am
BOI
- SAT
1 stop25h 22m
Frontier
Deal found 3/27![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/154:49 pm
SAT
- BOI
1 stop19h 19m
Frontier
Sun 4/1911:53 am
BOI
- SAT
1 stop25h 22m
Frontier
Deal found 3/26![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/154:49 pm
SAT
- BOI
1 stop19h 19m
Multiple Airlines
Sun 4/195:38 pm
BOI
- SAT
2 stops44h 31m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/188:15 am
SAT
- JAC
1 stop5h 25m
American Airlines
Tue 4/211:25 pm
JAC
- SAT
1 stop5h 20m
American Airlines
Deal found 3/27![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/234:45 pm
SAT
- JAC
1 stop5h 08m
United Airlines
Thu 4/302:30 pm
JAC
- SAT
1 stop5h 19m
United Airlines
Deal found 3/26![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/244:45 pm
SAT
- JAC
1 stop5h 08m
United Airlines
Sat 5/27:00 am
JAC
- SAT
2 stops11h 40m
United Airlines
Deal found 3/25![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/288:20 am
SAT
- BOI
2 stops8h 05m
Southwest
Sat 5/26:05 am
BOI
- SAT
2 stops7h 45m
Southwest
Deal found 3/25![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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
- BOI
1 stop5h 37m
United Airlines
Fri 5/16:30 am
BOI
- SAT
1 stop5h 26m
United Airlines
Deal found 3/25![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/297:15 am
SAT
- BOI
1 stop7h 05m
Southwest
Sat 5/26:05 am
BOI
- SAT
1 stop5h 00m
Southwest
Deal found 3/25![Southwest logo]()
$290
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 March 28, 2026.
Search for one-way flight options from San Antonio to Idaho. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/67:54 pm
SAT
- BOI
1 stop17h 33m
Frontier
Deal found 3/27![Frontier logo]()
$117
This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Sun 4/126:45 am
SAT
- BOI
1 stop5h 23m
Frontier
Deal found 3/23![Frontier logo]()
$126
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/63:33 pm
SAT
- BOI
1 stop8h 27m
Delta
Deal found 3/23![Delta logo]()
$132
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/257:51 pm
SAT
- BOI
1 stop17h 18m
Frontier
Deal found 3/27![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/138:30 pm
SAT
- BOI
1 stop5h 30m
Southwest
Deal found 3/23![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/62:25 pm
SAT
- BOI
2 stops8h 51m
United Airlines
Deal found 3/24![United Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/76:10 pm
SAT
- GEG
1 stop6h 56m
Delta
Deal found 3/25![Delta logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/177:54 pm
SAT
- IDA
2 stops20h 33m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/77:54 pm
SAT
- GEG
2 stops17h 01m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/132:14 pm
SAT
- BOI
2 stops8h 49m
United Airlines
Deal found 3/23![United Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 8/44:41 pm
SAT
- JAC
2 stops23h 26m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/175:25 am
SAT
- BOI
1 stop8h 18m
Delta
Deal found 3/24![Delta logo]()
$234
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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Frontier) |
One-way from | $117 (CheapOair) |
Popular in | March |
Cheapest in | September |
Average price | $653 |
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 March 28, 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 6/3
4:55 pm-11:20 pm
2 stops7h 25m
Boise Air Term. Gowen Fld
Wed 6/10
11:45 am-12:30 am
2 stops11h 45m
$281
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Sat 5/16
6:35 am-12:01 pm
1 stop7h 26m
Spokane
Wed 5/20
12:27 pm-12:44 am
1 stop10h 17m
$311
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Sat 5/9
5:40 am-10:25 am
1 stop6h 45m
Spokane
Tue 5/12
2:40 pm-11:30 pm
1 stop6h 50m
$312
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Sat 5/9
2:25 pm-9:16 pm
2 stops8h 51m
Spokane
Tue 5/12
6:00 am-8:49 pm
2 stops12h 49m
$327
San AntonioSpokane
SAT - GEG
SATGEG
San Antonio
Wed 5/20
6:20 am-1:05 pm
2 stops8h 45m
Spokane
Wed 5/20
2:40 pm-11:30 pm
1 stop6h 50m
$338
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 9/19
6:05 pm-10:14 pm
1 stop5h 09m
Idaho Falls Fanning Field
Sat 9/26
6:50 pm-12:44 am
1 stop4h 54m
$339
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Sat 4/11
11:46 am-8:53 pm
2 stops10h 07m
Jackson Hole
Wed 4/15
10:40 am-7:48 pm
2 stops8h 08m
$369
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 4/15
4:45 pm-10:35 pm
1 stop6h 50m
Boise Air Term. Gowen Fld
Sat 4/18
7:11 am-8:42 pm
2 stops12h 31m
$385
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Wed 5/6
7:00 am-12:14 pm
1 stop6h 14m
Jackson Hole
Sun 5/10
7:00 am-5:20 pm
1 stop9h 20m
$391
San AntonioJackson
SAT - JAC
SATJAC
San Antonio
Fri 6/12
6:31 am-12:15 pm
1 stop6h 44m
Jackson Hole
Tue 6/16
6:06 pm-12:16 am
1 stop5h 10m
$391
Showing 1-10 of 48 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 $108). Flying from San Antonio to Idaho in March is currently the most expensive (average of $276). 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 March 28, 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
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for San Antonio to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Idaho by cabin class
Find flights from San Antonio to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Idaho flights
Browse other San Antonio and Idaho flight options. Last updated on March 28, 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 March 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$458 | FlexibilityNo cancel fee | On-time69% |