$136+ Cheap flights from San Antonio to Boise (SAT - BOI)
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Cheapest flights from San Antonio to BoiseExplore the most affordable flight options available from San Antonio to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from San Antonio to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This CheapOair deal was found by Cheapflights users on 7/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:39 pm
SAT
- BOI
1 stop26h 16m
Frontier
Fri 9/252:50 pm
BOI
- SAT
1 stop21h 58m
Frontier
Deal found 7/25![Frontier logo]()
$282
This CheapOair deal was found by Cheapflights users on 7/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:41 pm
SAT
- BOI
1 stop17h 16m
Frontier
Sun 10/113:52 pm
BOI
- SAT
1 stop18h 56m
Frontier
Deal found 7/24![Frontier logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:11 pm
SAT
- BOI
1 stop7h 33m
Alaska Airlines
Wed 9/28:03 am
BOI
- SAT
1 stop7h 10m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:45 pm
SAT
- BOI
2 stops8h 55m
American Airlines
Wed 9/28:01 am
BOI
- SAT
1 stop7h 32m
American Airlines
Deal found 7/22![American Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/155:50 am
SAT
- BOI
2 stops8h 10m
Southwest
Sat 8/2212:55 pm
BOI
- SAT
2 stops7h 45m
Southwest
Deal found 7/22![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 11/42:20 pm
SAT
- BOI
2 stops9h 39m
United Airlines
Sat 11/72:51 pm
BOI
- SAT
2 stops7h 00m
United Airlines
Deal found 7/25![United Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:02 am
SAT
- BOI
1 stop6h 45m
Alaska Airlines
Wed 8/196:23 am
BOI
- SAT
1 stop8h 50m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:45 pm
SAT
- BOI
2 stops8h 55m
American Airlines
Mon 8/242:49 pm
BOI
- SAT
1 stop5h 08m
American Airlines
Deal found 7/25![American Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 7/25. 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.
Sat 8/223:40 pm
SAT
- BOI
2 stops7h 20m
Southwest
Mon 8/242:55 pm
BOI
- SAT
2 stops7h 30m
Southwest
Deal found 7/25![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:50 pm
SAT
- BOI
1 stop5h 05m
Southwest
Mon 9/143:45 pm
BOI
- SAT
1 stop7h 10m
Southwest
Deal found 7/24![Southwest logo]()
$369
Best flights from San Antonio to BoiseDiscover carefully curated flight deals from San Antonio to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from San Antonio to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/85:29 pm
SAT
- BOI
1 stop7h 15m
Alaska Airlines
Tue 9/157:48 pm
BOI
- SAT
1 stop19h 31m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 9/97:45 am
SAT
- BOI
1 stop6h 55m
Southwest
Wed 9/163:40 pm
BOI
- SAT
1 stop5h 20m
Southwest
Deal found 7/26![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:45 pm
SAT
- BOI
2 stops8h 55m
American Airlines
Wed 9/28:01 am
BOI
- SAT
1 stop7h 32m
American Airlines
Deal found 7/26![American Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/84:12 pm
SAT
- BOI
2 stops7h 51m
United Airlines
Tue 9/152:41 pm
BOI
- SAT
1 stop5h 11m
United Airlines
Deal found 7/25![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 8/267:42 am
SAT
- BOI
2 stops12h 06m
Delta
Wed 9/210:35 am
BOI
- SAT
2 stops12h 21m
Delta
Deal found 7/26![Delta logo]()
$433
This Southwest deal was found by Cheapflights users on 7/25. 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.
Sat 8/226:20 am
SAT
- BOI
1 stop7h 40m
Southwest
Mon 8/243:50 pm
BOI
- SAT
1 stop5h 25m
Southwest
Deal found 7/25![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am
SAT
- BOI
2 stops8h 00m
Southwest
Tue 9/156:00 am
BOI
- SAT
2 stops7h 35m
Southwest
Deal found 7/24![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:30 am
SAT
- BOI
2 stops11h 01m
United Airlines
Wed 8/195:00 am
BOI
- SAT
1 stop6h 43m
United Airlines
Deal found 7/22![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/25. 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 9/86:40 pm
SAT
- BOI
1 stop5h 45m
Southwest
Thu 10/81:55 pm
BOI
- SAT
2 stops10h 25m
Southwest
Deal found 7/25![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:40 am
SAT
- BOI
1 stop5h 50m
Southwest
Mon 8/243:45 pm
BOI
- SAT
1 stop7h 10m
Southwest
Deal found 7/24![Southwest logo]()
$428
Last-minute flights from San Antonio to BoiseDiscover last-minute flight deals from San Antonio to Boise. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Boise. Data last updated July 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 8/157:02 am
SAT
- BOI
1 stop6h 45m
Alaska Airlines
Wed 8/196:23 am
BOI
- SAT
1 stop8h 50m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/155:30 am
SAT
- BOI
2 stops11h 01m
United Airlines
Wed 8/195:00 am
BOI
- SAT
1 stop6h 43m
United Airlines
Deal found 7/23![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:20 pm
SAT
- BOI
1 stop8h 05m
Southwest
Mon 8/173:45 pm
BOI
- SAT
1 stop7h 10m
Southwest
Deal found 7/24![Southwest logo]()
$443
This Priceline deal was found by Cheapflights users on 7/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:11 pm
SAT
- BOI
1 stop7h 33m
Multiple Airlines
Sun 8/2312:24 pm
BOI
- SAT
1 stop6h 07m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:45 pm
SAT
- BOI
2 stops8h 55m
American Airlines
Mon 8/242:49 pm
BOI
- SAT
1 stop5h 08m
American Airlines
Deal found 7/25![American Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 7/25. 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.
Sat 8/223:40 pm
SAT
- BOI
2 stops7h 20m
Southwest
Mon 8/242:55 pm
BOI
- SAT
2 stops7h 30m
Southwest
Deal found 7/25![Southwest logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:11 pm
SAT
- BOI
1 stop7h 33m
Alaska Airlines
Wed 9/28:03 am
BOI
- SAT
1 stop7h 10m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:45 pm
SAT
- BOI
2 stops8h 55m
American Airlines
Wed 9/28:01 am
BOI
- SAT
1 stop7h 32m
American Airlines
Deal found 7/22![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 8/267:42 am
SAT
- BOI
2 stops12h 06m
Delta
Wed 9/210:35 am
BOI
- SAT
2 stops12h 21m
Delta
Deal found 7/26![Delta logo]()
$433
One-way flights from San Antonio to BoiseSearch for one-way flight options from San Antonio to Boise. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from San Antonio to Boise. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Mon 9/78:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Deal found 7/27![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 7/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:26 pm
SAT
- BOI
1 stop17h 03m
Frontier
Deal found 7/25![Frontier logo]()
$137
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:50 pm
SAT
- BOI
1 stop5h 05m
Southwest
Deal found 7/24![Southwest logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Mon 8/245:00 am
SAT
- BOI
2 stops11h 31m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 9/251:17 pm
SAT
- BOI
2 stops11h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:23 pm
SAT
- BOI
1 stop7h 21m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 8/247:30 am
SAT
- BOI
2 stops12h 18m
Delta
Deal found 7/23![Delta logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 9/2512:38 pm
SAT
- BOI
3 stops51h 10m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 9/74:12 pm
SAT
- BOI
2 stops18h 23m
United Airlines
Deal found 7/27![United Airlines logo]()
$313
Find flight deals from San Antonio to Boise
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (CheapOair) |
One-way from | $136 (CheapOair) |
Popular in | November |
Cheapest in | September |
Average price | $452 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Boise 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 July 27, 2026.
Use the filters below to find and compare flights from San Antonio to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 9/8
5:29 pm-11:44 pm
1 stop7h 15m
Boise Air Term. Gowen Fld
Tue 9/15
7:48 pm-4:19 pm
1 stop19h 31m
$333
Quickest round-trip
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 9/9
7:45 am-1:40 pm
1 stop6h 55m
Boise Air Term. Gowen Fld
Wed 9/16
3:40 pm-10:00 pm
1 stop5h 20m
$343
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 8/26
2:45 pm-10:40 pm
2 stops8h 55m
Boise Air Term. Gowen Fld
Wed 9/2
8:01 am-4:33 pm
1 stop7h 32m
$348
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 9/8
4:12 pm-11:03 pm
2 stops7h 51m
Boise Air Term. Gowen Fld
Tue 9/15
2:41 pm-8:52 pm
1 stop5h 11m
$348
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Sat 8/22
6:20 am-1:00 pm
1 stop7h 40m
Boise Air Term. Gowen Fld
Mon 8/24
3:50 pm-10:15 pm
1 stop5h 25m
$356
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 9/8
6:40 am-1:40 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Tue 9/15
6:00 am-2:35 pm
2 stops7h 35m
$379
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Tue 9/8
6:40 pm-11:25 pm
1 stop5h 45m
Boise Air Term. Gowen Fld
Thu 10/8
1:55 pm-1:20 am
2 stops10h 25m
$408
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Sat 8/15
5:30 am-3:31 pm
2 stops11h 01m
Boise Air Term. Gowen Fld
Wed 8/19
5:00 am-12:43 pm
1 stop6h 43m
$428
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Fri 8/21
6:40 am-11:30 am
1 stop5h 50m
Boise Air Term. Gowen Fld
Mon 8/24
3:45 pm-11:55 pm
1 stop7h 10m
$428
San AntonioBoise
SAT - BOI
SATBOI
San Antonio
Wed 8/26
7:42 am-6:48 pm
2 stops12h 06m
Boise Air Term. Gowen Fld
Wed 9/2
10:35 am-11:56 pm
2 stops12h 21m
$433
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Boise in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from San Antonio with our price prediction graph.
SAT-BOI
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 Boise
Prices
More
What is the cheapest month to book a flight from San Antonio to Boise?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Boise (average of $313). Flying from San Antonio to Boise in November is currently the most expensive (average of $538). 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 Boise?
Airfare is typical for this route at the moment.
San Antonio to Boise flights typically cost between $281 and $426 in September.The cheapest round-trip price found within the last 5 days was $282 on Frontier (Sep 17-Sep 25).
What’s the top layover airport for flights from San Antonio to Boise?
Share of 1-stop round-trip flights from San Antonio to Boise chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Antonio to Boise on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to Boise?
Average round-trip fare for 1-stop flights from San Antonio to Boise, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $271.
What’s the fastest layover option from San Antonio to Boise?
Shortest average travel time for 1-stop one-way flights from San Antonio to Boise, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 13m.
Which airport typically offers the quickest layover for flights from San Antonio to Boise?
Average layover duration for 1-stop one-way flights from San Antonio to Boise, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 54m.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 27, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsMeridian
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Top 3 airlines flying from San Antonio to Boise
Discover the top 3 airlines that operate flights from San Antonio to Boise. 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$458 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$408 | FlexibilityNo cancel fee | On-time69% |