$148+ Cheap flights from Boise to San Antonio (BOI - SAT)
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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
ene. 11 — ene. 181
1 adult, Economy
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Find cheap flights from Boise 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.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Antonio are usually found in August or September, booked 17 days in advance, depart on a Wednesday or Saturday and return on a Wednesday
Cheap flight deals from Boise to San Antonio
Cheapest flights from Boise to San AntonioExplore the most affordable flight options available from Boise to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.
Explore the most affordable flight options available from Boise to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2112:38 pmBOI - SAT
1 stop10h 39mFrontier
jue. 1/16:45 amSAT - BOI
1 stop5h 58mFrontier
Deal found 12/10![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 12/11. 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.
sáb. 12/2012:54 pmBOI - SAT
1 stop10h 23mFrontier
jue. 12/256:45 amSAT - BOI
1 stop5h 58mFrontier
Deal found 12/11![Frontier logo]()
$232
This Delta deal was found by Cheapflights users on 12/11. 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.
mié. 12/241:00 pmBOI - SAT
1 stop7h 26mDelta
jue. 12/255:10 amSAT - BOI
1 stop8h 35mDelta
Deal found 12/11![Delta logo]()
$255
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/245:12 pmBOI - SAT
1 stop5h 35mUnited Airlines
jue. 1/15:20 amSAT - BOI
1 stop5h 41mUnited Airlines
Deal found 12/10![United Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 12/11. 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.
mié. 12/245:12 pmBOI - SAT
1 stop5h 35mUnited Airlines
jue. 12/259:51 amSAT - BOI
2 stops9h 12mUnited Airlines
Deal found 12/11![United Airlines logo]()
$340
This Frontier deal was found by Cheapflights users on 12/11. 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.
sáb. 12/2012:54 pmBOI - SAT
1 stop10h 23mFrontier
dom. 12/286:45 amSAT - BOI
1 stop5h 58mFrontier
Deal found 12/11![Frontier logo]()
$367
This Southwest deal was found by Cheapflights users on 12/12. 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.
mié. 12/3112:55 pmBOI - SAT
2 stops8h 20mSouthwest
dom. 1/49:00 pmSAT - BOI
1 stop5h 25mSouthwest
Deal found 12/12![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 12/11. 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.
mié. 12/241:00 pmBOI - SAT
1 stop7h 26mDelta
lun. 12/297:18 pmSAT - BOI
1 stop6h 01mDelta
Deal found 12/11![Delta logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
lun. 12/2210:41 pmBOI - SAT
1 stop13h 35mMultiple Airlines
jue. 12/2510:18 amSAT - BOI
2 stops29h 46mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$433
Find flight deals from Boise to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to San Antonio (SAT). 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 diciembre 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $208 (Frontier) |
One-way from | $148 (Alaska Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $559 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Boise to San Antonio that are best for you.
Fly from
Boise
Fly to
San Antonio
Route
Depart
Return
Price
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
mié. 12/24
1:00 pm-9:26 pm
1 stop7h 26m
San Antonio
jue. 12/25
5:10 am-12:45 pm
1 stop8h 35m
$255
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
mar. 1/6
9:55 am-6:37 pm
1 stop7h 42m
San Antonio
mar. 1/13
6:46 pm-10:52 am
1 stop17h 06m
$293
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
sáb. 1/31
7:25 am-9:28 pm
2 stops13h 03m
San Antonio
mié. 2/4
7:00 am-6:28 pm
2 stops12h 28m
$294
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
lun. 2/23
1:51 pm-12:41 am
2 stops9h 50m
San Antonio
sáb. 2/28
7:00 am-6:22 pm
2 stops12h 22m
$294
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
mar. 1/6
10:39 am-9:28 pm
2 stops9h 49m
San Antonio
mar. 1/13
1:03 pm-5:35 pm
1 stop5h 32m
$315
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
lun. 2/2
1:40 pm-12:41 am
2 stops10h 01m
San Antonio
vie. 2/6
7:00 am-6:28 pm
2 stops12h 28m
$334
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
sáb. 2/14
12:51 pm-9:28 pm
1 stop7h 37m
San Antonio
vie. 2/20
1:13 pm-11:45 pm
2 stops11h 32m
$336
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
jue. 2/12
1:51 pm-12:41 am
2 stops9h 50m
San Antonio
mar. 2/17
7:00 am-6:22 pm
2 stops12h 22m
$336
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
jue. 12/25
6:15 am-7:41 pm
2 stops12h 26m
San Antonio
jue. 1/1
5:20 am-10:01 am
1 stop5h 41m
$340
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
vie. 1/16
1:58 pm-8:50 pm
1 stop5h 52m
San Antonio
lun. 1/19
3:07 pm-7:25 pm
1 stop5h 18m
$348
Showing 1-10 of 16 results
Compare providers for flights from Boise to San Antonio
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 Boise to San Antonio in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-San Antonio flights, Cheapflights users trust eDreams the most. eDreams 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 Boise-San Antonio 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 Boise to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Boise with our price prediction graph.
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 Boise to San Antonio
How far ahead should I book a flight from Boise to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Boise to San Antonio. Price data was last updated on December 5, 2025.
The price you pay for your flight from Boise to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boise to San Antonio?
Currently, March is the cheapest month in which you can book a flight from Boise to San Antonio (average of $104). Flying from Boise to San Antonio in August is currently the most expensive (average of $244). 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.
What is the cheapest time of day to fly from BOI to SAT?
Find hourly flight availability from Boise to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from Boise to San Antonio by exploring options for tickets in the evening.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated diciembre 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Boise to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Boise 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
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Alternative routes for Boise to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Boise to San Antonio
Discover the top 4 airlines that operate flights from Boise 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 2,558,603 searches. Data last updated diciembre 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$226 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$230 | Average$407 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$244 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$351 | FlexibilityNo cancel fee | On-time71% |