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Cheap flights from Boise to San Antonio from $111

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 2/2. 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
6:35 pm - 12:41 am
BOI
-
SAT
5h 06m
1 stop
Delta Logo
4:42 pm - 10:45 pm
SAT
-
BOI
7h 03m
1 stop
$237Delta
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
2:40 pm - 8:54 pm
BOI
-
SAT
5h 14m
1 stop
United Airlines Logo
1:25 pm - 9:15 pm
SAT
-
BOI
8h 50m
2 stops
$242United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
2:40 pm - 10:57 pm
BOI
-
SAT
7h 17m
2 stops
United Airlines Logo
1:25 pm - 9:15 pm
SAT
-
BOI
8h 50m
2 stops
$248United Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
2:14 pm - 10:52 pm
BOI
-
SAT
7h 38m
2 stops
American Airlines Logo
6:00 am - 5:53 pm
SAT
-
BOI
12h 53m
1 stop
$263American Airlines
Wed, Apr 8 - Sat, Apr 11
American Airlines Logo
1:39 pm - 11:07 pm
BOI
-
SAT
8h 28m
1 stop
American Airlines Logo
7:09 pm - 11:38 pm
SAT
-
BOI
5h 29m
1 stop
$285American Airlines
Wed, Mar 25 - Sat, Mar 28
Frontier Logo
12:07 pm - 12:17 am
BOI
-
SAT
11h 10m
1 stop
Frontier Logo
6:45 am - 11:12 am
SAT
-
BOI
5h 27m
1 stop
$289Frontier
Thu, Mar 26 - Sun, Mar 29
Delta Logo
6:35 pm - 12:41 am
BOI
-
SAT
5h 06m
1 stop
Delta Logo
7:00 am - 6:22 pm
SAT
-
BOI
12h 22m
2 stops
$291Delta
Tue, Feb 17 - Tue, Feb 24
Delta Logo
10:41 am - 11:43 pm
BOI
-
SAT
12h 02m
2 stops
Delta Logo
4:10 pm - 9:35 pm
SAT
-
BOI
6h 25m
1 stop
$295Delta
Fri, Mar 6 - Tue, Mar 10
Delta Logo
6:35 pm - 12:41 am
BOI
-
SAT
5h 06m
1 stop
Delta Logo
6:15 am - 1:59 pm
SAT
-
BOI
8h 44m
1 stop
$298Delta
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
5:31 pm - 11:32 pm
BOI
-
SAT
5h 01m
1 stop
United Airlines Logo
5:47 am - 10:06 am
SAT
-
BOI
5h 19m
1 stop
$305United Airlines
Fri, Mar 6 - Tue, Mar 10

Delta flights from Boise to San Antonio

Our best Delta deals on Boise to San Antonio flight tickets
Delta
Feb 17
BOI6:35 pmBoise Air Term. Gowen Fld
5h 06m
1 stop
SAT12:41 amSan Antonio
Feb 24
SAT4:42 pmSan Antonio
7h 03m
1 stop
BOI10:45 pmBoise Air Term. Gowen Fld
$237
Delta
Feb 17
BOI6:35 pmBoise Air Term. Gowen Fld
5h 06m
1 stop
SAT12:41 amSan Antonio
Feb 24
SAT7:00 amSan Antonio
12h 22m
2 stops
BOI6:22 pmBoise Air Term. Gowen Fld
$291
Delta
Mar 6
BOI10:41 amBoise Air Term. Gowen Fld
12h 02m
2 stops
SAT11:43 pmSan Antonio
Mar 10
SAT4:10 pmSan Antonio
6h 25m
1 stop
BOI9:35 pmBoise Air Term. Gowen Fld
$295

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Mar 24
BOI2:40 pmBoise Air Term. Gowen Fld
5h 14m
1 stop
SAT8:54 pmSan Antonio
Mar 31
SAT1:25 pmSan Antonio
8h 50m
2 stops
BOI9:15 pmBoise Air Term. Gowen Fld
$242
United Airlines
Mar 24
BOI2:40 pmBoise Air Term. Gowen Fld
7h 17m
2 stops
SAT10:57 pmSan Antonio
Mar 31
SAT1:25 pmSan Antonio
8h 50m
2 stops
BOI9:15 pmBoise Air Term. Gowen Fld
$248
United Airlines
Feb 14
BOI2:40 pmBoise Air Term. Gowen Fld
5h 16m
1 stop
SAT8:56 pmSan Antonio
Feb 18
SAT11:43 amSan Antonio
10h 12m
2 stops
BOI8:55 pmBoise Air Term. Gowen Fld
$322

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 20, 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

Tue 2/17

6:35 pm-12:41 am

1 stop5h 06m

San Antonio

Tue 2/24

4:42 pm-10:45 pm

1 stop7h 03m

$237

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 3/24

2:40 pm-8:54 pm

1 stop5h 14m

San Antonio

Tue 3/31

1:25 pm-9:15 pm

2 stops8h 50m

$242

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 3/24

2:40 pm-10:57 pm

2 stops7h 17m

San Antonio

Tue 3/31

1:25 pm-9:15 pm

2 stops8h 50m

$248

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/8

2:14 pm-10:52 pm

2 stops7h 38m

San Antonio

Sat 4/11

6:00 am-5:53 pm

1 stop12h 53m

$263

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 3/25

1:39 pm-11:07 pm

1 stop8h 28m

San Antonio

Sat 3/28

7:09 pm-11:38 pm

1 stop5h 29m

$285

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/26

12:07 pm-12:17 am

1 stop11h 10m

San Antonio

Sun 3/29

6:45 am-11:12 am

1 stop5h 27m

$289

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 2/17

6:35 pm-12:41 am

1 stop5h 06m

San Antonio

Tue 2/24

7:00 am-6:22 pm

2 stops12h 22m

$291

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 3/6

10:41 am-11:43 pm

2 stops12h 02m

San Antonio

Tue 3/10

4:10 pm-9:35 pm

1 stop6h 25m

$295

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 2/17

6:35 pm-12:41 am

1 stop5h 06m

San Antonio

Sat 2/21

6:15 am-1:59 pm

1 stop8h 44m

$298

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 3/6

5:31 pm-11:32 pm

1 stop5h 01m

San Antonio

Tue 3/10

5:47 am-10:06 am

1 stop5h 19m

$305

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 $371 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 29% 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

Fastest flight time

5h 06m

Direct flights

None
The fastest flight from Boise to San Antonio takes 5h 06m
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 06m.

  • 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
DeltaPriceFrom $166Free CancellationRating
7.9
8,076 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,180 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,164 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.

An easier way to manage your San Antonio trip

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