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Cheap flights from Boise to San Antonio from $77

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 9/19. 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

Frontier Logo
12:28 pm - 7:35 pmBOI-SAT
6h 07m1 stop
Frontier Logo
5:32 pm - 11:43 amSAT-BOI
19h 11m1 stop
$165Frontier
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Fri, Oct 17 - Sat, Oct 25
Logo
12:22 pm - 7:15 pmBOI-SAT
5h 53m1 stop
Logo
9:47 pm - 1:21 pmSAT-BOI
16h 34m1 stop
$180
Find Deal
Thu, Sep 11 - Fri, Sep 19
Southwest Logo
3:45 pm - 9:50 pmBOI-SAT
5h 05m1 stop
Southwest Logo
5:35 am - 9:50 amSAT-BOI
5h 15m1 stop
$243Southwest
Find Deal
Wed, Sep 10 - Sat, Sep 20
American Airlines Logo
1:57 pm - 11:00 pmBOI-SAT
8h 03m2 stops
American Airlines Logo
6:59 pm - 11:35 pmSAT-BOI
5h 36m1 stop
$248American Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 15
Delta Logo
5:43 pm - 12:19 amBOI-SAT
5h 36m1 stop
Delta Logo
6:02 pm - 11:59 pmSAT-BOI
6h 57m1 stop
$249Delta
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Thu, Sep 18 - Mon, Sep 22
American Airlines Logo
1:57 pm - 11:00 pmBOI-SAT
8h 03m2 stops
American Airlines Logo
6:00 am - 1:17 pmSAT-BOI
8h 17m2 stops
$253American Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 20
Delta Logo
11:12 am - 5:25 pmBOI-SAT
5h 13m1 stop
Delta Logo
6:07 pm - 11:59 pmSAT-BOI
6h 52m1 stop
$258Delta
Find Deal
Tue, Oct 14 - Fri, Oct 17
United Airlines Logo
7:00 am - 3:26 pmBOI-SAT
7h 26m2 stops
United Airlines Logo
4:22 pm - 11:34 pmSAT-BOI
8h 12m2 stops
$388United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 22
United Airlines Logo
5:00 am - 1:22 pmBOI-SAT
7h 22m2 stops
United Airlines Logo
5:30 am - 1:49 pmSAT-BOI
9h 19m2 stops
$403United Airlines
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Fri, Sep 5 - Mon, Sep 8
Southwest Logo
1:40 pm - 11:15 pmBOI-SAT
8h 35m2 stops
Southwest Logo
8:15 am - 4:10 pmSAT-BOI
8h 55m2 stops
$417Southwest
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Fri, Nov 14 - Sun, Nov 16

Hawaiian Airlines flights from Boise to San Antonio

Our best Hawaiian Airlines deals on Boise to San Antonio flight tickets
Hawaiian Airlines
Oct 7
BOI4:25 pmBoise Air Term. Gowen Fld
6h 39m
1 stop
SAT12:04 amSan Antonio
Oct 21
SAT6:40 amSan Antonio
7h 30m
1 stop
BOI1:10 pmBoise Air Term. Gowen Fld
$236
Find similar
Hawaiian Airlines
Aug 19
BOI7:12 pmBoise Air Term. Gowen Fld
8h 58m
1 stop
SAT5:10 amSan Antonio
Aug 20
SAT6:30 amSan Antonio
9h 30m
1 stop
BOI3:00 pmBoise Air Term. Gowen Fld
$699
Find similar

Southwest flights from Boise to San Antonio

Our best Southwest deals on Boise to San Antonio flight tickets
Southwest
Sep 10
BOI3:45 pmBoise Air Term. Gowen Fld
5h 05m
1 stop
SAT9:50 pmSan Antonio
Sep 20
SAT5:35 amSan Antonio
5h 15m
1 stop
BOI9:50 amBoise Air Term. Gowen Fld
$243
Find similar
Southwest
Nov 14
BOI1:40 pmBoise Air Term. Gowen Fld
8h 35m
2 stops
SAT11:15 pmSan Antonio
Nov 16
SAT8:15 amSan Antonio
8h 55m
2 stops
BOI4:10 pmBoise Air Term. Gowen Fld
$417
Find similar
Southwest
Sep 11
BOI5:00 amBoise Air Term. Gowen Fld
7h 50m
2 stops
SAT1:50 pmSan Antonio
Sep 19
SAT7:15 amSan Antonio
10h 05m
2 stops
BOI4:20 pmBoise Air Term. Gowen Fld
$439
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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 August 18, 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

Fri 10/17

12:28 pm-7:35 pm

1 stop6h 07m

San Antonio

Sat 10/25

5:32 pm-11:43 am

1 stop19h 11m

$165

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 9/11

12:22 pm-7:15 pm

1 stop5h 53m

San Antonio

Fri 9/19

9:47 pm-1:21 pm

1 stop16h 34m

$180

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 9/10

3:45 pm-9:50 pm

1 stop5h 05m

San Antonio

Sat 9/20

5:35 am-9:50 am

1 stop5h 15m

$243

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 9/10

1:57 pm-11:00 pm

2 stops8h 03m

San Antonio

Mon 9/15

6:59 pm-11:35 pm

1 stop5h 36m

$248

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 9/18

5:43 pm-12:19 am

1 stop5h 36m

San Antonio

Mon 9/22

6:02 pm-11:59 pm

1 stop6h 57m

$249

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 9/10

1:57 pm-11:00 pm

2 stops8h 03m

San Antonio

Sat 9/20

6:00 am-1:17 pm

2 stops8h 17m

$253

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 10/14

11:12 am-5:25 pm

1 stop5h 13m

San Antonio

Fri 10/17

6:07 pm-11:59 pm

1 stop6h 52m

$258

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 9/5

7:00 am-3:26 pm

2 stops7h 26m

San Antonio

Mon 9/22

4:22 pm-11:34 pm

2 stops8h 12m

$388

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 9/5

5:00 am-1:22 pm

2 stops7h 22m

San Antonio

Mon 9/8

5:30 am-1:49 pm

2 stops9h 19m

$403

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 11/14

1:40 pm-11:15 pm

2 stops8h 35m

San Antonio

Sun 11/16

8:15 am-4:10 pm

2 stops8h 55m

$417

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 $282.

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 $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 August 2025, prices for Boise to San Antonio flights are approximately 4% 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

Best Price Found

$77

Fastest flight time

5h 05m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Boise in the past 72 hours is $77. The best round-trip flight deal from Boise to San Antonio found on momondo in the last 72 hours is $165.
The fastest flight from Boise to San Antonio takes 5h 05m
There are no direct flights from Boise to San Antonio. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • 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 05m.

  • 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 $130Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
DeltaPriceFrom $244Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,925 reviews
Search United 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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