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Cheap flights from Boise to San Antonio from $125

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 9/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:50 pm - 11:44 am-
19h 54m
Frontier Logo
12:39 pm - 1:55 pm-
26h 16m
$249Frontier
Thu, Sep 24 - Sun, Sep 27
Frontier Logo
2:50 pm - 11:44 am-
19h 54m
Frontier Logo
2:47 pm - 1:55 pm-
24h 08m
$256Frontier
Thu, Sep 17 - Sat, Sep 19
Delta Logo
4:00 pm - 11:47 pm-
6h 47m
Delta Logo
7:05 am - 2:44 pm-
8h 39m
$343Delta
Fri, Sep 11 - Sat, Sep 12
Delta Logo
4:00 pm - 11:47 pm-
6h 47m
Delta Logo
12:29 pm - 6:53 pm-
7h 24m
$343Delta
Wed, Sep 9 - Sat, Sep 12
Southwest Logo
11:40 am - 5:35 pm-
4h 55m
Southwest Logo
6:15 pm - 10:30 pm-
5h 15m
$343Southwest
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
3:20 pm - 9:30 pm-
5h 10m
Southwest Logo
7:15 am - 12:00 pm-
5h 45m
$343Southwest
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
5:00 am - 12:46 pm-
6h 46m
United Airlines Logo
4:48 pm - 10:59 pm-
7h 11m
$343United Airlines
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
2:41 pm - 10:00 pm-
6h 19m
American Airlines Logo
8:17 am - 1:22 pm-
6h 05m
$343American Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
12:14 pm - 9:07 pm-
7h 53m
American Airlines Logo
8:17 am - 1:22 pm-
6h 05m
$343American Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
2:51 pm - 10:51 pm-
7h 00m
United Airlines Logo
2:20 pm - 10:59 pm-
9h 39m
$374United Airlines
Wed, Oct 28 - Sat, Oct 31

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Delta flights from Boise to San Antonio

Our best Delta deals on Boise to San Antonio flight tickets
Delta
Aug 18
BOI11:12 amBoise Air Term. Gowen Fld
5h 02m
1 stop
SAT5:14 pmSan Antonio
Aug 25
SAT4:49 pmSan Antonio
7h 11m
1 stop
BOI11:00 pmBoise Air Term. Gowen Fld
$369
Delta
Sep 9
BOI6:45 amBoise Air Term. Gowen Fld
16h 02m
2 stops
SAT11:47 pmSan Antonio
Sep 12
SAT12:29 pmSan Antonio
7h 24m
1 stop
BOI6:53 pmBoise Air Term. Gowen Fld
$378
Delta
Oct 22
BOI4:00 pmBoise Air Term. Gowen Fld
7h 13m
1 stop
SAT12:13 amSan Antonio
Oct 28
SAT7:50 amSan Antonio
7h 57m
1 stop
BOI2:47 pmBoise Air Term. Gowen Fld
$383

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Sep 16
BOI2:41 pmBoise Air Term. Gowen Fld
7h 03m
2 stops
SAT10:44 pmSan Antonio
Sep 19
SAT7:35 amSan Antonio
8h 56m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$386
United Airlines
Aug 24
BOI2:44 pmBoise Air Term. Gowen Fld
5h 08m
1 stop
SAT8:52 pmSan Antonio
Sep 1
SAT9:00 amSan Antonio
7h 31m
1 stop
BOI3:31 pmBoise Air Term. Gowen Fld
$396
United Airlines
Sep 4
BOI2:44 pmBoise Air Term. Gowen Fld
5h 08m
1 stop
SAT8:52 pmSan Antonio
Sep 6
SAT11:34 amSan Antonio
11h 03m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$402

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 4, 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

Cheapest round-trip

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 9/24

2:50 pm-11:44 am

1 stop19h 54m

San Antonio

Sun 9/27

12:39 pm-1:55 pm

1 stop26h 16m

$249

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 9/17

2:50 pm-11:44 am

1 stop19h 54m

San Antonio

Sat 9/19

2:47 pm-1:55 pm

1 stop24h 08m

$256

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 9/11

4:00 pm-11:47 pm

1 stop6h 47m

San Antonio

Sat 9/12

7:05 am-2:44 pm

1 stop8h 39m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 9/9

4:00 pm-11:47 pm

1 stop6h 47m

San Antonio

Sat 9/12

12:29 pm-6:53 pm

1 stop7h 24m

$343
Quickest round-trip

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 11/10

11:40 am-5:35 pm

1 stop4h 55m

San Antonio

Tue 11/17

6:15 pm-10:30 pm

1 stop5h 15m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 10/28

3:20 pm-9:30 pm

1 stop5h 10m

San Antonio

Sat 10/31

7:15 am-12:00 pm

1 stop5h 45m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 11/10

5:00 am-12:46 pm

1 stop6h 46m

San Antonio

Tue 11/17

4:48 pm-10:59 pm

1 stop7h 11m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 10/24

2:41 pm-10:00 pm

1 stop6h 19m

San Antonio

Tue 10/27

8:17 am-1:22 pm

1 stop6h 05m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 10/24

12:14 pm-9:07 pm

1 stop7h 53m

San Antonio

Tue 10/27

8:17 am-1:22 pm

1 stop6h 05m

$343

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 10/28

2:51 pm-10:51 pm

2 stops7h 00m

San Antonio

Sat 10/31

2:20 pm-10:59 pm

2 stops9h 39m

$374

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?

Prices are currently low for flights on this route.

Typical prices usually range from $286 to $572.
The lowest price recently found on this route was $249.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Boise during January instead. Flights to San Antonio in January, while not as cheap as those in September, still average around $301.

How far in advance should I book a flight from Boise 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 $449 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 $265 on momondo.

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

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 40m

Direct flights

None
The fastest flight from Boise to San Antonio takes 4h 40m
There are no direct flights from Boise to San Antonio. There are no popular flight routes from Boise to San Antonio.
Search flight deals

Frequently asked questions about flying from Boise to San Antonio

  • 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
DeltaPriceFrom $196Free CancellationRating
7.8
8,483 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,222 reviews
Search Southwest flights
American AirlinesPriceFrom $293Free CancellationRating
7.1
11,848 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $303Free CancellationRating
7.9
12,762 reviews
Search Alaska 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
Pleasanton
Boerne
Schertz

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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