$132+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Boise to San Antonio with Cheapflights
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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
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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 June 13, 2026.
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 June 13, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
BOI
- SAT
1 stop5h 17m
United Airlines
Tue 9/159:22 am
SAT
- BOI
1 stop7h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am
BOI
- SAT
1 stop6h 46m
Delta
Wed 10/74:10 pm
SAT
- BOI
1 stop7h 58m
Delta
Deal found 6/8![Delta logo]()
$240
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:44 pm
BOI
- SAT
2 stops7h 07m
United Airlines
Tue 10/274:45 pm
SAT
- BOI
1 stop5h 31m
United Airlines
Deal found 6/8![United Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:47 pm
BOI
- SAT
1 stop7h 13m
Alaska Airlines
Wed 8/57:02 am
SAT
- BOI
1 stop9h 24m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:47 pm
BOI
- SAT
1 stop7h 13m
Alaska Airlines
Thu 8/64:44 pm
SAT
- BOI
1 stop8h 20m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:45 pm
BOI
- SAT
1 stop4h 41m
Delta
Thu 8/276:03 pm
SAT
- BOI
1 stop6h 56m
Delta
Deal found 6/12![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:47 pm
BOI
- SAT
1 stop7h 13m
Alaska Airlines
Fri 8/74:44 pm
SAT
- BOI
1 stop8h 20m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:45 pm
BOI
- SAT
1 stop6h 00m
Delta
Mon 10/194:10 pm
SAT
- BOI
1 stop7h 58m
Delta
Deal found 6/8![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:21 pm
BOI
- SAT
1 stop7h 36m
American Airlines
Wed 10/285:00 am
SAT
- BOI
1 stop7h 26m
American Airlines
Deal found 6/11![American Airlines logo]()
$286
Best flights from Boise to San AntonioDiscover carefully curated flight deals from Boise to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Boise to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:45 pm
BOI
- SAT
1 stop4h 41m
Delta
Thu 8/276:03 pm
SAT
- BOI
1 stop6h 56m
Delta
Deal found 6/12![Delta logo]()
$263
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 10/242:44 pm
BOI
- SAT
1 stop4h 58m
United Airlines
Tue 10/274:45 pm
SAT
- BOI
1 stop5h 31m
United Airlines
Deal found 6/11![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
BOI
- SAT
2 stops7h 35m
Southwest
Tue 9/156:40 am
SAT
- BOI
2 stops8h 00m
Southwest
Deal found 6/8![Southwest logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/246:40 am
BOI
- SAT
1 stop8h 33m
Alaska Airlines
Tue 10/275:09 pm
SAT
- BOI
1 stop7h 49m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am
BOI
- SAT
1 stop6h 40m
Delta
Wed 10/78:00 am
SAT
- BOI
1 stop5h 17m
Delta
Deal found 6/12![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 8/38:47 pm
BOI
- SAT
1 stop7h 13m
Alaska Airlines
Thu 8/64:44 pm
SAT
- BOI
1 stop8h 20m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:38 am
BOI
- SAT
2 stops11h 40m
Delta
Wed 10/288:00 am
SAT
- BOI
2 stops8h 30m
Delta
Deal found 6/8![Delta logo]()
$381
Last-minute flights from Boise to San AntonioDiscover last-minute flight deals from Boise to San Antonio. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to San Antonio. Data last updated June 13, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:25 pm
BOI
- SAT
1 stop28h 31m
Multiple Airlines
Tue 7/74:44 pm
SAT
- BOI
1 stop8h 20m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$371
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:23 am
BOI
- SAT
1 stop8h 23m
Multiple Airlines
Wed 7/87:39 pm
SAT
- BOI
1 stop17h 50m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:23 am
BOI
- SAT
1 stop8h 23m
Alaska Airlines
Tue 7/77:02 am
SAT
- BOI
1 stop9h 24m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$403
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- SAT
1 stop28h 31m
Multiple Airlines
Thu 7/97:02 am
SAT
- BOI
1 stop8h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:42 pm
BOI
- SAT
1 stop4h 44m
Delta
Tue 7/146:03 pm
SAT
- BOI
1 stop7h 02m
Delta
Deal found 6/10![Delta logo]()
$368
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Mon 7/137:39 pm
SAT
- BOI
1 stop17h 50m
Frontier
Deal found 6/11![Frontier logo]()
$318
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:00 pm
BOI
- SAT
1 stop6h 54m
Delta
Wed 7/156:03 pm
SAT
- BOI
1 stop7h 02m
Delta
Deal found 6/10![Delta logo]()
$420
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:47 pm
BOI
- SAT
1 stop7h 13m
Multiple Airlines
Mon 7/137:39 pm
SAT
- BOI
1 stop17h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:05 pm
BOI
- SAT
1 stop7h 03m
Delta
Wed 7/156:03 pm
SAT
- BOI
1 stop7h 02m
Delta
Deal found 6/10![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:11 am
BOI
- SAT
1 stop7h 31m
American Airlines
Mon 7/135:01 am
SAT
- BOI
1 stop7h 18m
American Airlines
Deal found 6/12![American Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/154:27 pm
BOI
- SAT
1 stop11h 33m
Alaska Airlines
Sun 7/264:44 pm
SAT
- BOI
1 stop8h 20m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$400
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:47 pm
BOI
- SAT
1 stop7h 13m
Multiple Airlines
Sat 7/257:39 pm
SAT
- BOI
1 stop17h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$330
One-way flights from Boise to San AntonioSearch for one-way flight options from Boise to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Boise to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:00 pm
BOI
- SAT
1 stop7h 13m
Delta
Deal found 6/10![Delta logo]()
$132
This CheapOair deal was found by Cheapflights users on 6/9. 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 6/301:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 6/9![Frontier logo]()
$146
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/10![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:55 pm
BOI
- SAT
1 stop5h 30m
Southwest
Deal found 6/8![Southwest logo]()
$182
This CheapOair deal was found by Cheapflights users on 6/9. 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 6/251:25 pm
BOI
- SAT
1 stop28h 31m
Frontier
Deal found 6/9![Frontier logo]()
$186
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/51:24 pm
BOI
- SAT
1 stop28h 20m
Frontier
Deal found 6/11![Frontier logo]()
$187
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:03 am
BOI
- SAT
2 stops14h 56m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:15 pm
BOI
- SAT
1 stop8h 00m
Southwest
Deal found 6/10![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/255:46 pm
BOI
- SAT
1 stop5h 13m
United Airlines
Deal found 6/10![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:42 pm
BOI
- SAT
1 stop4h 44m
Delta
Deal found 6/8![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:25 pm
BOI
- SAT
2 stops9h 15m
Southwest
Deal found 6/10![Southwest logo]()
$239
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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (United Airlines) |
One-way from | $132 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $488 |
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 June 13, 2026.
Use the filters below to find and compare flights from Boise to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Mon 8/24
6:45 pm-12:26 am
1 stop4h 41m
San Antonio
Thu 8/27
6:03 pm-11:59 pm
1 stop6h 56m
$263
Quickest round-trip
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Sat 10/24
2:44 pm-8:42 pm
1 stop4h 58m
San Antonio
Tue 10/27
4:45 pm-9:16 pm
1 stop5h 31m
$330
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Sat 10/3
6:00 am-1:40 pm
1 stop6h 40m
San Antonio
Wed 10/7
8:00 am-12:17 pm
1 stop5h 17m
$333
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Wed 9/9
6:00 am-2:35 pm
2 stops7h 35m
San Antonio
Tue 9/15
6:40 am-1:40 pm
2 stops8h 00m
$346
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Sat 10/24
6:40 am-4:13 pm
1 stop8h 33m
San Antonio
Tue 10/27
5:09 pm-11:58 pm
1 stop7h 49m
$353
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Mon 8/3
8:47 pm-5:00 am
1 stop7h 13m
San Antonio
Thu 8/6
4:44 pm-12:04 am
1 stop8h 20m
$365
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Thu 10/22
10:38 am-11:18 pm
2 stops11h 40m
San Antonio
Wed 10/28
8:00 am-3:30 pm
2 stops8h 30m
$381
Cheapest one-way
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Thu 9/17
4:00 pm-12:13 am
1 stop7h 13m
$132
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Sun 8/2
1:24 pm-6:44 pm
1 stop28h 20m
$166
BoiseSan Antonio
BOI - SAT
BOISAT
Boise Air Term. Gowen Fld
Thu 9/3
2:55 pm-9:25 pm
1 stop5h 30m
$182
Showing 1-10 of 17 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Antonio flight deals on Cheapflights vs. FlightHub >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 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 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.
BOI-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 Boise to San Antonio
How far ahead should I book a flight from Boise to San Antonio?
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 73 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, January is the cheapest month in which you can book a flight from Boise to San Antonio (average of $275). Flying from Boise to San Antonio in March is currently the most expensive (average of $606). 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 Boise to San Antonio?
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 June 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta 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.
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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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Top 5 airlines flying from Boise to San Antonio
Discover the top 5 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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$303 | Average$451 | FlexibilityNo cancel fee | On-time75% |