$113+ Cheap flights from Idaho to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Nov 7 — Nov 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to San Antonio 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 Idaho to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho to San AntonioExplore the most affordable flight options available from Idaho to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Idaho to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 11/46:49 pm -
1 stop4h 41m
Wed 11/116:02 pm -
1 stop7h 08m
Deal found 10/7![Delta logo]()
$225
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 12/165:45 am -
1 stop5h 25m
Thu 12/175:45 am -
2 stops8h 50m
Deal found 10/6![Southwest logo]()
$230
This CheapOair deal was found by Cheapflights users on 10/7. 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.
Thu 10/222:50 pm -
1 stop20h 25m
Wed 10/2810:29 pm -
1 stop16h 25m
Deal found 10/7![Frontier logo]()
$248
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 11/116:45 pm -
1 stop4h 43m
Thu 11/127:01 am -
1 stop8h 57m
Deal found 10/6![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 10/6. 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 12/311:05 pm -
1 stop7h 35m
Tue 1/56:55 am -
1 stop8h 20m
Deal found 10/6![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/25:35 pm -
1 stop5h 15m
Mon 11/98:00 pm -
1 stop5h 55m
Deal found 10/4![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 10/7. 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 11/1510:37 am -
2 stops12h 26m
Thu 11/1912:45 pm -
1 stop6h 10m
Deal found 10/7![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Wed 10/214:05 pm -
1 stop6h 53m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 10/6![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 10/241:50 pm -
1 stop9h 08m
Wed 11/43:35 pm -
1 stop8h 24m
Deal found 10/6![American Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/192:35 pm -
1 stop5h 18m
Mon 11/234:48 pm -
1 stop5h 21m
Deal found 10/6![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 10/7. 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 10/231:05 pm -
2 stops10h 08m
Sun 10/256:00 pm -
1 stop5h 10m
Deal found 10/7![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/52:35 pm -
1 stop5h 18m
Thu 11/128:56 am -
1 stop5h 32m
Deal found 10/6![United Airlines logo]()
$503
Best flights from Idaho to San AntonioDiscover carefully curated flight deals from Idaho to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Idaho to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Southwest deal was found by Cheapflights users on 10/6. 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 12/311:05 pm -
1 stop7h 35m
Tue 1/56:55 am -
1 stop8h 20m
Deal found 10/6![Southwest logo]()
$283
This American Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:41 pm -
1 stop8h 23m
Wed 11/116:00 am -
2 stops8h 23m
Deal found 10/3![American Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 2/106:45 pm -
1 stop5h 00m
Mon 2/156:05 pm -
1 stop5h 14m
Deal found 10/4![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 10/248:25 am -
2 stops13h 32m
Tue 10/275:00 am -
2 stops9h 47m
Deal found 10/6![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 10/7. 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 3/232:43 pm -
1 stop7h 54m
Mon 3/295:20 am -
1 stop5h 23m
Deal found 10/7![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 10/6. 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.
Sat 10/241:06 pm -
1 stop7h 18m
Tue 10/277:50 am -
1 stop7h 57m
Deal found 10/6![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/63:55 pm -
1 stop5h 35m
Mon 11/98:00 pm -
1 stop5h 55m
Deal found 10/4![Southwest logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:56 pm -
2 stops10h 00m
Wed 12/94:40 pm -
1 stop7h 19m
Deal found 10/3![Alaska Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Wed 10/212:28 pm -
2 stops7h 23m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 10/6![United Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 10/241:50 pm -
1 stop9h 08m
Wed 11/43:35 pm -
1 stop8h 24m
Deal found 10/4![American Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:49 am -
2 stops12h 10m
Wed 11/117:00 am -
2 stops14h 06m
Deal found 10/3![Alaska Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Sat 1/237:00 am -
1 stop4h 58m
Tue 1/269:00 am -
1 stop5h 28m
Deal found 10/7![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 10/7. 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 3/236:35 am -
2 stops7h 45m
Mon 3/2910:15 am -
2 stops7h 20m
Deal found 10/7![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 10/7. 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 10/231:05 pm -
2 stops10h 08m
Sun 10/256:00 pm -
1 stop5h 10m
Deal found 10/7![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/244:05 pm -
1 stop6h 53m
Wed 11/45:30 am -
2 stops11h 08m
Deal found 10/5![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 10/7. 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 11/151:17 pm -
2 stops9h 46m
Thu 11/197:45 am -
1 stop5h 36m
Deal found 10/7![Delta logo]()
$543
This Delta deal was found by Cheapflights users on 10/6. 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.
Sat 11/141:17 pm -
1 stop6h 49m
Thu 11/197:45 am -
1 stop5h 36m
Deal found 10/6![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 10/2112:19 pm -
2 stops9h 54m
Sun 10/256:35 am -
1 stop7h 04m
Deal found 10/6![Delta logo]()
$634
Last-minute flights from Idaho to San AntonioDiscover last-minute flight deals from Idaho to San Antonio. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to San Antonio. Data last updated October 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Wed 10/214:05 pm -
1 stop6h 53m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 10/6![United Airlines logo]()
$429
This CheapOair deal was found by Cheapflights users on 10/7. 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.
Thu 10/222:50 pm -
1 stop20h 25m
Wed 10/2810:29 pm -
1 stop16h 25m
Deal found 10/7![Frontier logo]()
$248
This Delta deal was found by Cheapflights users on 10/7. 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 10/231:05 pm -
2 stops10h 08m
Sun 10/256:00 pm -
1 stop5h 10m
Deal found 10/7![Delta logo]()
$499
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Sat 10/241:50 pm -
1 stop9h 08m
Wed 11/43:35 pm -
1 stop8h 24m
Deal found 10/6![American Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” 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 11/25:35 pm -
1 stop5h 15m
Mon 11/98:00 pm -
1 stop5h 55m
Deal found 10/4![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 11/46:49 pm -
1 stop4h 41m
Wed 11/116:02 pm -
1 stop7h 08m
Deal found 10/7![Delta logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Wed 11/42:51 pm -
2 stops7h 00m
Wed 11/115:30 am -
2 stops13h 33m
Deal found 10/6![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 11/116:45 pm -
1 stop4h 43m
Thu 11/127:01 am -
1 stop8h 57m
Deal found 10/6![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/122:41 pm -
1 stop7h 15m
Sun 11/156:00 am -
1 stop6h 25m
Deal found 10/6![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 10/7. 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 11/1510:37 am -
2 stops12h 26m
Thu 11/1912:45 pm -
1 stop6h 10m
Deal found 10/7![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sun 11/155:00 am -
1 stop4h 50m
Thu 11/196:10 am -
1 stop6h 55m
Deal found 10/7![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/192:35 pm -
1 stop5h 18m
Mon 11/234:48 pm -
1 stop5h 21m
Deal found 10/6![United Airlines logo]()
$494
One-way flights from Idaho to San AntonioSearch for one-way flight options from Idaho to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Idaho to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/6. 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.
Tue 10/274:00 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$113
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 11/115:45 am -
2 stops7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$118
This Southwest deal was found by Cheapflights users on 10/6. 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 11/95:00 am -
1 stop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$153
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/271:32 pm -
2 stops9h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Alaska Airlines logo]()
$168
This CheapOair deal was found by Cheapflights users on 10/8. 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.
Mon 12/286:56 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/272:51 pm -
2 stops7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 10/6. 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 11/910:37 am -
2 stops12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$187
This Frontier deal was found by Cheapflights users on 10/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:49 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 12/296:56 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$204
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 10/136:56 pm -
1 stop4h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Delta logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 10/131:58 pm -
2 stops25h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Tue 10/133:57 pm -
3 stops41h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$685
Find flight deals from Idaho to San Antonio
Keep the following information in mind while searching for Idaho to San Antonio flight deals. Data was last updated October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Delta) |
One-way from | $113 (Delta) |
Popular in | August |
Cheapest in | January |
Average price | $429 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to San Antonio 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 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Idaho to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Tue 10/27
6:49 pm-12:30 am
1 stop4h 41m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Wed 11/11
2:50 pm-9:30 pm
1 stop5h 40m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Mon 11/9
5:00 am-10:50 am
1 stop4h 50m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Tue 10/27
1:32 pm-11:59 pm
2 stops9h 27m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Mon 12/28
6:56 pm-8:26 pm
1 stop24h 30m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Sun 11/1
2:49 pm-9:34 pm
1 stop5h 45m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Tue 12/29
6:56 pm-8:26 pm
1 stop24h 30m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$204
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Tue 10/27
2:51 pm-10:51 pm
2 stops7h 00m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$225
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Wed 11/11
6:20 am-10:51 pm
3 stops15h 31m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$236
BoiseSan Antonio
BOI Boise Air Term. Gowen Fld - SAT San Antonio
BOISAT
Boise Air Term. Gowen Fld
Thu 12/31
1:05 pm-9:40 pm
1 stop7h 35m
San Antonio
Tue 1/5
6:55 am-2:15 pm
1 stop8h 20m
$283
Showing 1-10 of 30 resultsSorted by cheapest first
Best time to book a flight from Idaho to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Idaho with our price prediction graph.
BOI-SAT
IDA-SAT
TWF-SAT
LWS-SAT
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 Idaho to San Antonio
USID-SAT
BOI-SAT
IDA-SAT
TWF-SAT
LWS-SAT
What is the cheapest month to book a flight from Idaho to San Antonio?
Currently, April is the cheapest month in which you can book a flight from Idaho to San Antonio (average of $368). Flying from Idaho to San Antonio in August is currently the most expensive (average of $625). 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 Idaho to San Antonio?
Airfare is below average for this route at the moment.
Idaho to San Antonio flights typically cost between $388 and $472 in November.The cheapest round-trip price found within the last 5 days was $225 on Delta (Nov 4-Nov 11).
How far ahead should I book a flight from Idaho to San Antonio?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Idaho to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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
San Antonio flight routes
Top destinations
Alternative routes for Idaho to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to San Antonio by cabin class
Find flights from Idaho to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and San Antonio flights
Browse other Idaho and San Antonio flight options. Last updated on October 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.
Idaho to San Antonio flights
Consider these flights traveling from Idaho to San Antonio.
Top 5 airlines flying from Idaho to San Antonio
Discover the top 5 airlines that operate flights from Idaho to San Antonio. 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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$461 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$663 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$332 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$332 | Average$526 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$343 | Average$473 | FlexibilityNo cancel fee | On-time63% |