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Cheap flights from Boise to San Antonio from $65

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 1/30. 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.
Frontier Logo
12:07 pm - 7:33 pm
BOI
-
SAT
6h 26m1 stop
Frontier Logo
8:24 pm - 11:12 am
SAT
-
BOI
15h 48m1 stop
$136Frontier
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
12:36 pm - 7:30 pm
BOI
-
SAT
5h 54m1 stop
Frontier Logo
6:12 pm - 11:51 am
SAT
-
BOI
18h 39m1 stop
$152Frontier
Thu, Feb 19 - Wed, Feb 25
Frontier Logo
12:36 pm - 1:12 pm
BOI
-
SAT
23h 36m2 stops
Frontier Logo
6:12 pm - 11:51 am
SAT
-
BOI
18h 39m1 stop
$203Frontier
Thu, Feb 19 - Wed, Feb 25
Frontier Logo
12:07 pm - 7:33 pm
BOI
-
SAT
6h 26m1 stop
Frontier Logo
8:24 pm - 11:12 am
SAT
-
BOI
15h 48m1 stop
$215Frontier
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
12:07 pm - 11:52 pm
BOI
-
SAT
34h 45m2 stops
Multiple Airlines Logo
8:24 pm - 11:12 am
SAT
-
BOI
15h 48m1 stop
$224Multiple Airlines
Fri, Jan 30 - Sun, Feb 1
Delta Logo
10:39 am - 11:43 pm
BOI
-
SAT
12h 04m2 stops
Delta Logo
2:35 pm - 9:58 pm
SAT
-
BOI
8h 23m2 stops
$269Delta
Sun, Jan 25 - Sat, Jan 31
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
5:20 am - 12:30 pm
SAT
-
BOI
8h 10m1 stop
$273Delta
Sat, Jan 17 - Tue, Feb 3
United Airlines Logo
6:25 am - 1:08 pm
BOI
-
SAT
5h 43m1 stop
United Airlines Logo
4:45 pm - 9:32 pm
SAT
-
BOI
5h 47m1 stop
$276United Airlines
Sat, Feb 14 - Sat, Feb 21
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
7:00 am - 6:28 pm
SAT
-
BOI
12h 28m2 stops
$278Delta
Sat, Jan 17 - Tue, Feb 3
Multiple Airlines Logo
12:07 pm - 11:52 pm
BOI
-
SAT
34h 45m2 stops
Multiple Airlines Logo
8:24 pm - 11:12 am
SAT
-
BOI
15h 48m1 stop
$281Multiple Airlines
Fri, Jan 23 - Sun, Jan 25

Delta flights from Boise to San Antonio

Our best Delta deals on Boise to San Antonio flight tickets
Delta
Jan 17
BOI1:42 pmBoise Air Term. Gowen Fld
8h 41m
1 stop
SAT11:23 pmSan Antonio
Feb 3
SAT6:20 pmSan Antonio
5h 52m
1 stop
BOI11:12 pmBoise Air Term. Gowen Fld
$273
Find similar
Delta
Jan 17
BOI1:00 pmBoise Air Term. Gowen Fld
7h 28m
1 stop
SAT9:28 pmSan Antonio
Feb 3
SAT7:00 amSan Antonio
12h 28m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$278
Find similar
Delta
Jan 17
BOI1:42 pmBoise Air Term. Gowen Fld
8h 41m
1 stop
SAT11:23 pmSan Antonio
Feb 3
SAT7:00 amSan Antonio
10h 17m
2 stops
BOI4:17 pmBoise Air Term. Gowen Fld
$287
Find similar

Southwest flights from Boise to San Antonio

Our best Southwest deals on Boise to San Antonio flight tickets
Southwest
Feb 2
BOI1:30 pmBoise Air Term. Gowen Fld
7h 25m
1 stop
SAT9:55 pmSan Antonio
Feb 4
SAT12:25 pmSan Antonio
5h 25m
1 stop
BOI4:50 pmBoise Air Term. Gowen Fld
$290
Find similar
Southwest
Feb 20
BOI5:20 pmBoise Air Term. Gowen Fld
4h 45m
1 stop
SAT11:05 pmSan Antonio
Feb 24
SAT12:25 pmSan Antonio
5h 25m
1 stop
BOI4:50 pmBoise Air Term. Gowen Fld
$331
Find similar
Southwest
Feb 19
BOI12:30 pmBoise Air Term. Gowen Fld
8h 25m
2 stops
SAT9:55 pmSan Antonio
Feb 25
SAT7:15 amSan Antonio
9h 05m
2 stops
BOI3:20 pmBoise Air Term. Gowen Fld
$345
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 January 3, 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

Price

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 1/30

12:07 pm-7:33 pm

1 stop6h 26m

San Antonio

Sun 2/1

8:24 pm-11:12 am

1 stop15h 48m

$136

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 2/19

12:36 pm-7:30 pm

1 stop5h 54m

San Antonio

Wed 2/25

6:12 pm-11:51 am

1 stop18h 39m

$152

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 2/19

12:36 pm-1:12 pm

2 stops23h 36m

San Antonio

Wed 2/25

6:12 pm-11:51 am

1 stop18h 39m

$203

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-7:33 pm

1 stop6h 26m

San Antonio

Sun 1/25

8:24 pm-11:12 am

1 stop15h 48m

$215

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 1/30

12:07 pm-11:52 pm

2 stops34h 45m

San Antonio

Sun 2/1

8:24 pm-11:12 am

1 stop15h 48m

$224

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 1/25

10:39 am-11:43 pm

2 stops12h 04m

San Antonio

Sat 1/31

2:35 pm-9:58 pm

2 stops8h 23m

$269

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 1/17

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

Tue 2/3

5:20 am-12:30 pm

1 stop8h 10m

$273

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 2/14

6:25 am-1:08 pm

1 stop5h 43m

San Antonio

Sat 2/21

4:45 pm-9:32 pm

1 stop5h 47m

$276

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 1/17

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

Tue 2/3

7:00 am-6:28 pm

2 stops12h 28m

$278

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-11:52 pm

2 stops34h 45m

San Antonio

Sun 1/25

8:24 pm-11:12 am

1 stop15h 48m

$281

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 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.

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 $385 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 January 2026, prices for Boise to San Antonio flights are approximately 7% 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

5h 07m

Direct flights

None
The fastest flight from Boise to San Antonio takes 5h 07m
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 5h 07m.

  • 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 $208Free CancellationRating
7.4
9,137 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,257 reviews
Search Southwest flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,024 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,081 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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