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Cheap flights from Boise to San Antonio from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San Antonio departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boise to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
3:00 pm - 9:35 pmBOI-SAT
5h 35m1 stop
Southwest Logo
12:25 pm - 4:50 pmSAT-BOI
5h 25m1 stop
$192Southwest
Find Deal
mié., ene. 14 - mié., ene. 21
Southwest Logo
11:20 am - 5:00 pmBOI-SAT
4h 40m1 stop
Southwest Logo
6:25 am - 11:05 amSAT-BOI
5h 40m1 stop
$198Southwest
Find Deal
mié., ene. 7 - sáb., ene. 10
Multiple Airlines Logo
12:44 pm - 7:00 pmBOI-SAT
29h 16m1 stop
Multiple Airlines Logo
12:03 pm - 9:51 pmSAT-BOI
10h 48m2 stops
$229Multiple Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
Delta Logo
7:30 am - 5:23 pmBOI-SAT
8h 53m2 stops
Delta Logo
8:00 am - 4:26 pmSAT-BOI
9h 26m2 stops
$274Delta
Find Deal
mié., ene. 7 - sáb., ene. 10
United Airlines Logo
12:45 pm - 11:16 pmBOI-SAT
9h 31m1 stop
United Airlines Logo
8:30 am - 1:25 pmSAT-BOI
5h 55m1 stop
$286United Airlines
Find Deal
mar., nov. 11 - mié., nov. 12
Delta Logo
11:10 am - 5:05 pmBOI-SAT
4h 55m1 stop
Delta Logo
6:32 am - 2:09 pmSAT-BOI
8h 37m1 stop
$291Delta
Find Deal
mar., nov. 11 - sáb., nov. 15
United Airlines Logo
6:20 am - 4:58 pmBOI-SAT
9h 38m2 stops
United Airlines Logo
8:35 am - 1:25 pmSAT-BOI
5h 50m1 stop
$296United Airlines
Find Deal
mar., nov. 11 - sáb., nov. 15
Alaska Airlines Logo
6:28 am - 5:55 pmBOI-SAT
10h 27m1 stop
Alaska Airlines Logo
6:58 pm - 10:45 amSAT-BOI
16h 47m1 stop
$371Alaska Airlines
Find Deal
sáb., nov. 15 - sáb., nov. 22
Alaska Airlines Logo
8:50 pm - 5:55 pmBOI-SAT
20h 05m1 stop
Alaska Airlines Logo
6:30 am - 1:49 pmSAT-BOI
8h 19m1 stop
$449Alaska Airlines
Find Deal
jue., nov. 6 - vie., nov. 21
Multiple Airlines Logo
10:45 pm - 5:12 pmBOI-SAT
17h 27m2 stops
Multiple Airlines Logo
6:07 pm - 9:55 pmSAT-BOI
28h 48m3 stops
$522Multiple Airlines
Find Deal
vie., nov. 21 - dom., nov. 23

Southwest flights from Boise to San Antonio

Our best Southwest deals on Boise to San Antonio flight tickets
Southwest
Jan 14
BOI3:00 pmBoise Air Term. Gowen Fld
5h 35m
1 stop
SAT9:35 pmSan Antonio
Jan 21
SAT12:25 pmSan Antonio
5h 25m
1 stop
BOI4:50 pmBoise Air Term. Gowen Fld
$192
Find similar
Southwest
Jan 7
BOI11:20 amBoise Air Term. Gowen Fld
4h 40m
1 stop
SAT5:00 pmSan Antonio
Jan 10
SAT6:25 amSan Antonio
5h 40m
1 stop
BOI11:05 amBoise Air Term. Gowen Fld
$198
Find similar
Southwest
Jan 14
BOI11:20 amBoise Air Term. Gowen Fld
8h 45m
2 stops
SAT9:05 pmSan Antonio
Jan 21
SAT12:25 pmSan Antonio
5h 25m
1 stop
BOI4:50 pmBoise Air Term. Gowen Fld
$216
Find similar

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Nov 11
BOI12:45 pmBoise Air Term. Gowen Fld
9h 31m
1 stop
SAT11:16 pmSan Antonio
Nov 12
SAT8:30 amSan Antonio
5h 55m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
$286
Find similar
United Airlines
Nov 11
BOI6:20 amBoise Air Term. Gowen Fld
9h 38m
2 stops
SAT4:58 pmSan Antonio
Nov 15
SAT8:35 amSan Antonio
5h 50m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
$296
Find similar
United Airlines
Nov 11
BOI2:31 pmBoise Air Term. Gowen Fld
7h 25m
2 stops
SAT10:56 pmSan Antonio
Nov 12
SAT5:30 amSan Antonio
9h 14m
2 stops
BOI1:44 pmBoise Air Term. Gowen Fld
$301
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated octubre 22, 2025.
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

Price

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/14

3:00 pm-9:35 pm

1 stop5h 35m

San Antonio

mié. 1/21

12:25 pm-4:50 pm

1 stop5h 25m

$192

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/7

11:20 am-5:00 pm

1 stop4h 40m

San Antonio

sáb. 1/10

6:25 am-11:05 am

1 stop5h 40m

$198

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

jue. 12/4

12:44 pm-7:00 pm

1 stop29h 16m

San Antonio

lun. 12/8

12:03 pm-9:51 pm

2 stops10h 48m

$229

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/7

7:30 am-5:23 pm

2 stops8h 53m

San Antonio

sáb. 1/10

8:00 am-4:26 pm

2 stops9h 26m

$274

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 11/11

12:45 pm-11:16 pm

1 stop9h 31m

San Antonio

mié. 11/12

8:30 am-1:25 pm

1 stop5h 55m

$286

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 11/11

11:10 am-5:05 pm

1 stop4h 55m

San Antonio

sáb. 11/15

6:32 am-2:09 pm

1 stop8h 37m

$291

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 11/11

6:20 am-4:58 pm

2 stops9h 38m

San Antonio

sáb. 11/15

8:35 am-1:25 pm

1 stop5h 50m

$296

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

sáb. 11/15

6:28 am-5:55 pm

1 stop10h 27m

San Antonio

sáb. 11/22

6:58 pm-10:45 am

1 stop16h 47m

$371

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

jue. 11/6

8:50 pm-5:55 pm

1 stop20h 05m

San Antonio

vie. 11/21

6:30 am-1:49 pm

1 stop8h 19m

$449

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

vie. 11/21

10:45 pm-5:12 pm

2 stops17h 27m

San Antonio

dom. 11/23

6:07 pm-9:55 pm

3 stops28h 48m

$522

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Boise to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boise and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Boise during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $278.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $329. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $445.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Boise to San Antonio in the evening for as low as $272. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $443. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Boise for as low as $244 on momondo.

How have Boise to San Antonio flight prices changed over time?

As of October 2025, prices for Boise to San Antonio flights are approximately 587% more expensive when compared to flights at the same time last year.

When to book flights from Boise to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to San Antonio (BOI to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to San Antonio

Direct flights

None
There are no direct flights from Boise to San Antonio. There are no popular flight routes from Boise to San Antonio.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to San Antonio by plane?

    There are 1381.9 mi between Boise Air Term. Gowen Fld and San Antonio. In terms of flight time, this usually takes a little over 4h 40m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San Antonio Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San Antonio Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to San Antonio?

Best airlines flying from Boise to San Antonio

Compare and see reviews for airlines that fly from Boise to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $110Free CancellationRating
6.3
8,097 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
DeltaPriceFrom $244Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $248Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
11,029 reviews
Search American Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Boise to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Boise.

Can I find flights from Boise to San Antonio with flexible booking policies on momondo?

Flights from Boise to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boise to San Antonio?

momondo helps you find the best flight between Boise and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boise to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Boise and alert you when they change.

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