$119+ Cheap flights from San Antonio to Boise (SAT - BOI)
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Boise 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 Boise
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Best
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One-way
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 October 25, 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 October 25, 2026.
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:11 pm -
1 stop21h 49m
Thu 12/37:56 pm -
1 stop24h 05m
Deal found 10/22![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 10/24. 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 12/241:34 pm -
1 stop28h 14m
Wed 12/305:33 pm -
1 stop18h 03m
Deal found 10/24![Frontier logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/105:29 pm -
1 stop7h 20m
Wed 11/118:20 am -
2 stops12h 39m
Deal found 10/20![Alaska Airlines logo]()
$342
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2111:48 am -
1 stop6h 00m
Mon 12/285:33 pm -
1 stop16h 20m
Deal found 10/22![Frontier logo]()
$362
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/247:10 pm -
1 stop5h 49m
Thu 12/38:00 am -
1 stop8h 07m
Deal found 10/21![American Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/228:30 pm -
2 stops21h 18m
Wed 12/305:33 pm -
1 stop25h 53m
Deal found 10/20![Frontier logo]()
$388
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 October 25, 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 October 25, 2026.
This CheapOair deal was found by Cheapflights users on 10/25. 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.
Tue 11/2410:11 pm -
1 stop21h 49m
Thu 12/37:56 pm -
1 stop24h 05m
Deal found 10/25![Frontier logo]()
$290
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 1/126:30 am -
2 stops14h 47m
Mon 1/185:45 pm -
1 stop6h 00m
Deal found 10/20![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/105:29 pm -
1 stop7h 20m
Wed 11/1110:49 am -
2 stops12h 10m
Deal found 10/21![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/104:48 pm -
1 stop7h 11m
Wed 11/1112:31 pm -
1 stop10h 07m
Deal found 10/21![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 1/1112:25 pm -
2 stops12h 27m
Wed 1/205:45 pm -
1 stop6h 00m
Deal found 10/20![Delta logo]()
$332
Last-minute flights from San Antonio to BoiseDiscover last-minute flight deals from San Antonio to Boise. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Boise. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/56:35 am -
1 stop5h 07m
Mon 11/96:45 pm -
1 stop4h 43m
Deal found 10/21![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/105:29 pm -
1 stop7h 20m
Wed 11/118:20 am -
2 stops12h 39m
Deal found 10/20![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/104:48 pm -
1 stop7h 11m
Wed 11/1112:31 pm -
1 stop10h 07m
Deal found 10/20![United Airlines logo]()
$347
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:11 pm -
1 stop21h 49m
Thu 12/37:56 pm -
1 stop24h 05m
Deal found 10/22![Frontier logo]()
$271
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/247:10 pm -
1 stop5h 49m
Thu 12/38:00 am -
1 stop8h 07m
Deal found 10/21![American Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/246:00 am -
1 stop6h 28m
Thu 12/312:56 pm -
2 stops10h 00m
Deal found 10/21![Alaska Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/244:48 pm -
1 stop5h 44m
Thu 12/36:10 am -
3 stops15h 54m
Deal found 10/21![United Airlines logo]()
$420
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 October 25, 2026.
Search for one-way flight options from San Antonio to Boise. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:01 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$119
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/241:35 pm -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$124
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/2410:11 pm -
1 stop21h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 10/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1111:56 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/175:45 am -
2 stops8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$165
This Trip.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:44 pm -
1 stop25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/172:05 pm -
2 stops10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:01 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$190
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:35 am -
2 stops10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$233
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/126:45 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/23. 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 2/116:30 am -
2 stops14h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$254
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Delta) |
One-way from | $119 (Delta) |
Popular in | August |
Cheapest in | January |
Average price | $429 |
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 7,457,451 searches. Data last updated October 25, 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 San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sat 2/13
6:05 pm-11:04 pm
1 stop5h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Thu 12/17
6:05 pm-12:55 am
1 stop7h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Tue 11/17
4:40 pm-10:58 pm
1 stop7h 18m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Thu 11/12
7:35 am-4:42 pm
2 stops10h 07m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Tue 11/17
5:30 am-9:15 pm
3 stops16h 45m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$275
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Fri 2/12
6:30 am-4:00 pm
2 stops10h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$282
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sun 11/15
5:45 am-1:35 pm
2 stops8h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Tue 11/24
10:11 pm-7:00 pm
1 stop21h 49m
Boise Air Term. Gowen Fld
Thu 12/3
7:56 pm-9:01 pm
1 stop24h 05m
$290
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Sat 10/31
5:30 am-1:45 pm
2 stops9h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$297
San AntonioBoise
SAT San Antonio - BOI Boise Air Term. Gowen Fld
SATBOI
San Antonio
Fri 11/27
5:45 am-1:35 pm
2 stops8h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$317
Showing 1-10 of 15 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 October.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
What is the cheapest month to book a flight from San Antonio to Boise?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Boise (average of $342). Flying from San Antonio to Boise in August is currently the most expensive (average of $605). 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 below average for this route at the moment.
San Antonio to Boise flights typically cost between $428 and $638 in January.The cheapest round-trip price found within the last 5 days was $237 on Delta (Jan 12-Jan 18).
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 October 25, 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
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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 locationsOntario
Meridian
Nampa
Caldwell
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Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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San Antonio and Boise flights
Browse other San Antonio and Boise flight options. Last updated on October 25, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$465 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$298 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$392 | FlexibilityNo cancel fee | On-timeN/A |