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Cheap flights from Boise to San Antonio from $105

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 6/4. 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.
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
4:04 pm - 11:08 am
SAT
-
BOI
20h 04m
1 stop
$201Frontier
Sun, Apr 12 - Sat, Apr 18
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
6:45 am - 11:08 am
SAT
-
BOI
5h 23m
1 stop
$214Frontier
Thu, Apr 2 - Thu, Apr 9
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
4:04 pm - 11:08 am
SAT
-
BOI
20h 04m
1 stop
$222Frontier
Sun, Apr 12 - Sat, Apr 18
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
4:04 pm - 11:08 am
SAT
-
BOI
20h 04m
1 stop
$242Frontier
Sun, Apr 12 - Sat, Apr 18
American Airlines Logo
2:14 pm - 11:05 pm
BOI
-
SAT
7h 51m
1 stop
American Airlines Logo
6:26 pm - 11:41 pm
SAT
-
BOI
6h 15m
1 stop
$277American Airlines
Wed, Apr 29 - Sat, May 2
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
7:45 am - 11:08 am
SAT
-
BOI
28h 23m
1 stop
$281Frontier
Thu, Apr 2 - Wed, Apr 8
Southwest Logo
5:15 pm - 11:30 pm
BOI
-
SAT
5h 15m
1 stop
Southwest Logo
4:55 pm - 12:25 am
SAT
-
BOI
8h 30m
2 stops
$282Southwest
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
2:14 pm - 11:05 pm
BOI
-
SAT
7h 51m
1 stop
American Airlines Logo
8:15 am - 1:03 pm
SAT
-
BOI
5h 48m
1 stop
$292American Airlines
Wed, Apr 29 - Sat, May 2
Frontier Logo
12:15 pm - 12:17 am
BOI
-
SAT
11h 02m
1 stop
Frontier Logo
6:45 am - 11:20 am
SAT
-
BOI
5h 35m
1 stop
$295Frontier
Sun, Mar 22 - Sun, Mar 29
American Airlines Logo
2:14 pm - 10:52 pm
BOI
-
SAT
7h 38m
2 stops
American Airlines Logo
7:00 am - 1:03 pm
SAT
-
BOI
7h 03m
1 stop
$301American Airlines
Tue, Apr 21 - Sat, Apr 25

American Airlines flights from Boise to San Antonio

Our best American Airlines deals on Boise to San Antonio flight tickets
American Airlines
Apr 29
BOI2:14 pmBoise Air Term. Gowen Fld
7h 51m
1 stop
SAT11:05 pmSan Antonio
May 2
SAT6:26 pmSan Antonio
6h 15m
1 stop
BOI11:41 pmBoise Air Term. Gowen Fld
$277
American Airlines
Apr 29
BOI2:14 pmBoise Air Term. Gowen Fld
7h 51m
1 stop
SAT11:05 pmSan Antonio
May 2
SAT8:15 amSan Antonio
5h 48m
1 stop
BOI1:03 pmBoise Air Term. Gowen Fld
$292
American Airlines
Apr 21
BOI2:14 pmBoise Air Term. Gowen Fld
7h 38m
2 stops
SAT10:52 pmSan Antonio
Apr 25
SAT7:00 amSan Antonio
7h 03m
1 stop
BOI1:03 pmBoise Air Term. Gowen Fld
$301

Frontier flights from Boise to San Antonio

Our best Frontier deals on Boise to San Antonio flight tickets
Frontier
Apr 12
BOI12:03 pmBoise Air Term. Gowen Fld
11h 16m
1 stop
SAT12:19 amSan Antonio
Apr 18
SAT4:04 pmSan Antonio
20h 04m
1 stop
BOI11:08 amBoise Air Term. Gowen Fld
$201
Frontier
Apr 2
BOI12:03 pmBoise Air Term. Gowen Fld
11h 16m
1 stop
SAT12:19 amSan Antonio
Apr 9
SAT6:45 amSan Antonio
5h 23m
1 stop
BOI11:08 amBoise Air Term. Gowen Fld
$214
Frontier
Apr 12
BOI12:03 pmBoise Air Term. Gowen Fld
11h 16m
1 stop
SAT12:19 amSan Antonio
Apr 18
SAT4:04 pmSan Antonio
20h 04m
1 stop
BOI11:08 amBoise Air Term. Gowen Fld
$222

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 March 11, 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

Sun 4/12

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Sat 4/18

4:04 pm-11:08 am

1 stop20h 04m

$201

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/2

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Thu 4/9

6:45 am-11:08 am

1 stop5h 23m

$214

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 4/12

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Sat 4/18

4:04 pm-11:08 am

1 stop20h 04m

$222

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 4/12

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Sat 4/18

4:04 pm-11:08 am

1 stop20h 04m

$242

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

2:14 pm-11:05 pm

1 stop7h 51m

San Antonio

Sat 5/2

6:26 pm-11:41 pm

1 stop6h 15m

$277

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/2

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Wed 4/8

7:45 am-11:08 am

1 stop28h 23m

$281

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/7

5:15 pm-11:30 pm

1 stop5h 15m

San Antonio

Tue 4/14

4:55 pm-12:25 am

2 stops8h 30m

$282
Quickest round-trip

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

2:14 pm-11:05 pm

1 stop7h 51m

San Antonio

Sat 5/2

8:15 am-1:03 pm

1 stop5h 48m

$292

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 3/22

12:15 pm-12:17 am

1 stop11h 02m

San Antonio

Sun 3/29

6:45 am-11:20 am

1 stop5h 35m

$295

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/21

2:14 pm-10:52 pm

2 stops7h 38m

San Antonio

Sat 4/25

7:00 am-1:03 pm

1 stop7h 03m

$301

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 January, then book flights to San Antonio from Boise during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $276.

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 $387 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 $194 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

5h 15m

Direct flights

None
The fastest flight from Boise to San Antonio takes 5h 15m
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 15m.

  • 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 $131Free CancellationRating
7.9
8,278 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,414 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,317 reviews
Search Southwest flights
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,419 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
Pleasanton
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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