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Cheap flights from Boise to San Antonio from $116

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
5:45 am - 1:48 pm
BOI
-
SAT
7h 03m1 stop
Delta Logo
6:30 am - 1:34 pm
SAT
-
BOI
8h 04m1 stop
$167Delta
mar., ene. 13 - mié., ene. 21
Frontier Logo
12:07 pm - 3:00 pm
BOI
-
SAT
25h 53m1 stop
Frontier Logo
4:53 pm - 11:17 am
SAT
-
BOI
19h 24m2 stops
$182Frontier
vie., ene. 9 - dom., ene. 11
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
6:30 am - 1:34 pm
SAT
-
BOI
8h 04m1 stop
$190Delta
mar., ene. 13 - lun., ene. 19
Southwest Logo
7:45 am - 4:05 pm
BOI
-
SAT
7h 20m2 stops
Southwest Logo
5:45 pm - 10:30 pm
SAT
-
BOI
5h 45m1 stop
$193Southwest
mar., ene. 13 - mar., ene. 20
Delta Logo
1:41 pm - 11:23 pm
BOI
-
SAT
8h 42m1 stop
Delta Logo
7:00 am - 8:12 pm
SAT
-
BOI
14h 12m2 stops
$201Delta
mié., ene. 14 - mié., ene. 21
Frontier Logo
2:19 pm - 10:22 am
BOI
-
SAT
19h 03m1 stop
Frontier Logo
3:57 pm - 1:25 pm
SAT
-
BOI
22h 28m1 stop
$206Frontier
jue., ene. 15 - dom., ene. 18
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
7:00 am - 11:59 pm
SAT
-
BOI
17h 59m2 stops
$211Delta
mar., ene. 13 - vie., ene. 23
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
6:30 am - 2:02 pm
SAT
-
BOI
8h 32m1 stop
$213Delta
sáb., ene. 10 - sáb., ene. 17
Frontier Logo
12:07 pm - 11:00 am
BOI
-
SAT
21h 53m2 stops
Frontier Logo
10:15 am - 1:25 pm
SAT
-
BOI
28h 10m1 stop
$214Frontier
dom., ene. 11 - dom., ene. 18
United Airlines Logo
2:37 pm - 8:44 pm
BOI
-
SAT
5h 07m1 stop
United Airlines Logo
2:10 pm - 11:48 pm
SAT
-
BOI
10h 38m2 stops
$218United Airlines
jue., ene. 15 - jue., ene. 22

Frontier flights from Boise to San Antonio

Our best Frontier deals on Boise to San Antonio flight tickets
Frontier
Jan 9
BOI12:07 pmBoise Air Term. Gowen Fld
25h 53m
1 stop
SAT3:00 pmSan Antonio
Jan 11
SAT4:53 pmSan Antonio
19h 24m
2 stops
BOI11:17 amBoise Air Term. Gowen Fld
$182
Find similar
Frontier
Jan 15
BOI2:19 pmBoise Air Term. Gowen Fld
19h 03m
1 stop
SAT10:22 amSan Antonio
Jan 18
SAT3:57 pmSan Antonio
22h 28m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
$206
Find similar
Frontier
Jan 11
BOI12:07 pmBoise Air Term. Gowen Fld
21h 53m
2 stops
SAT11:00 amSan Antonio
Jan 18
SAT10:15 amSan Antonio
28h 10m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
$214
Find similar

American Airlines flights from Boise to San Antonio

Our best American Airlines deals on Boise to San Antonio flight tickets
American Airlines
Feb 2
BOI6:13 amBoise Air Term. Gowen Fld
9h 43m
1 stop
SAT4:56 pmSan Antonio
Feb 6
SAT6:00 amSan Antonio
9h 08m
1 stop
BOI2:08 pmBoise Air Term. Gowen Fld
$232
Find similar
American Airlines
Jan 11
BOI12:37 pmBoise Air Term. Gowen Fld
6h 27m
1 stop
SAT8:04 pmSan Antonio
Jan 18
SAT6:14 amSan Antonio
7h 54m
1 stop
BOI1:08 pmBoise Air Term. Gowen Fld
$348
Find similar
American Airlines
Dec 10
BOI2:09 pmBoise Air Term. Gowen Fld
5h 08m
1 stop
SAT8:17 pmSan Antonio
Dec 12
SAT6:00 amSan Antonio
7h 32m
1 stop
BOI12:32 pmBoise Air Term. Gowen Fld
$605
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 diciembre 4, 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

mar. 1/13

5:45 am-1:48 pm

1 stop7h 03m

San Antonio

mié. 1/21

6:30 am-1:34 pm

1 stop8h 04m

$167

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

vie. 1/9

12:07 pm-3:00 pm

1 stop25h 53m

San Antonio

dom. 1/11

4:53 pm-11:17 am

2 stops19h 24m

$182

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 1/13

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

lun. 1/19

6:30 am-1:34 pm

1 stop8h 04m

$190

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 1/13

7:45 am-4:05 pm

2 stops7h 20m

San Antonio

mar. 1/20

5:45 pm-10:30 pm

1 stop5h 45m

$193

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/14

1:41 pm-11:23 pm

1 stop8h 42m

San Antonio

mié. 1/21

7:00 am-8:12 pm

2 stops14h 12m

$201

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

jue. 1/15

2:19 pm-10:22 am

1 stop19h 03m

San Antonio

dom. 1/18

3:57 pm-1:25 pm

1 stop22h 28m

$206

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mar. 1/13

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

vie. 1/23

7:00 am-11:59 pm

2 stops17h 59m

$211

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

sáb. 1/10

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

sáb. 1/17

6:30 am-2:02 pm

1 stop8h 32m

$213

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

dom. 1/11

12:07 pm-11:00 am

2 stops21h 53m

San Antonio

dom. 1/18

10:15 am-1:25 pm

1 stop28h 10m

$214

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

jue. 1/15

2:37 pm-8:44 pm

1 stop5h 07m

San Antonio

jue. 1/22

2:10 pm-11:48 pm

2 stops10h 38m

$218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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 $392 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 December 2025, prices for Boise to San Antonio flights are approximately 13% cheaper 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

Fastest flight time

4h 44m

Direct flights

None
The fastest flight from Boise to San Antonio takes 4h 44m
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 45m.

  • 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
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,047 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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