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Cheap flights from Boise to San Antonio from $108

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 1/15. 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.
Multiple Airlines Logo
12:07 pm - 7:33 pm
BOI
-
SAT
6h 26m1 stop
Multiple Airlines Logo
12:31 pm - 1:27 pm
SAT
-
BOI
25h 56m1 stop
$176Multiple Airlines
Mon, Feb 2 - Thu, Feb 5
Multiple Airlines Logo
12:36 pm - 7:30 pm
BOI
-
SAT
5h 54m1 stop
Multiple Airlines Logo
6:06 pm - 11:59 pm
SAT
-
BOI
6h 53m1 stop
$224Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Southwest Logo
1:30 pm - 9:55 pm
BOI
-
SAT
7h 25m1 stop
Southwest Logo
6:45 pm - 11:40 pm
SAT
-
BOI
5h 55m1 stop
$243Southwest
Wed, Feb 25 - Mon, Mar 2
Southwest Logo
1:30 pm - 9:55 pm
BOI
-
SAT
7h 25m1 stop
Southwest Logo
4:05 pm - 11:40 pm
SAT
-
BOI
8h 35m2 stops
$248Southwest
Wed, Feb 25 - Mon, Mar 2
Southwest Logo
6:05 am - 3:45 pm
BOI
-
SAT
8h 40m2 stops
Southwest Logo
4:05 pm - 11:40 pm
SAT
-
BOI
8h 35m2 stops
$254Southwest
Wed, Feb 25 - Mon, Mar 2
Delta Logo
5:45 am - 1:38 pm
BOI
-
SAT
6h 53m1 stop
Delta Logo
6:20 pm - 11:12 pm
SAT
-
BOI
5h 52m1 stop
$255Delta
Sat, Feb 7 - Wed, Feb 11
Delta Logo
9:15 am - 9:28 pm
BOI
-
SAT
11h 13m2 stops
Delta Logo
7:35 am - 6:28 pm
SAT
-
BOI
11h 53m2 stops
$256Delta
Sat, Feb 7 - Wed, Feb 11
Delta Logo
7:25 am - 9:28 pm
BOI
-
SAT
13h 03m2 stops
Delta Logo
4:40 pm - 10:18 pm
SAT
-
BOI
6h 38m1 stop
$257Delta
Sat, Feb 7 - Wed, Feb 11
Southwest Logo
11:20 am - 5:00 pm
BOI
-
SAT
4h 40m1 stop
Southwest Logo
5:40 am - 10:10 am
SAT
-
BOI
5h 30m1 stop
$258Southwest
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
2:40 pm - 8:56 pm
BOI
-
SAT
5h 16m1 stop
United Airlines Logo
4:45 pm - 11:23 pm
SAT
-
BOI
7h 38m1 stop
$264United Airlines
Thu, Feb 19 - Tue, Feb 24

Frontier flights from Boise to San Antonio

Our best Frontier deals on Boise to San Antonio flight tickets
Frontier
Mar 5
BOI12:38 pmBoise Air Term. Gowen Fld
5h 52m
1 stop
SAT7:30 pmSan Antonio
Mar 8
SAT6:45 amSan Antonio
5h 27m
1 stop
BOI11:12 amBoise Air Term. Gowen Fld
$279
Frontier
Mar 12
BOI12:07 pmBoise Air Term. Gowen Fld
11h 10m
1 stop
SAT12:17 amSan Antonio
Mar 17
SAT2:08 pmSan Antonio
46h 04m
2 stops
BOI11:12 amBoise Air Term. Gowen Fld
$288

Delta flights from Boise to San Antonio

Our best Delta deals on Boise to San Antonio flight tickets
Delta
Feb 7
BOI5:45 amBoise Air Term. Gowen Fld
6h 53m
1 stop
SAT1:38 pmSan Antonio
Feb 11
SAT6:20 pmSan Antonio
5h 52m
1 stop
BOI11:12 pmBoise Air Term. Gowen Fld
$255
Delta
Feb 7
BOI9:15 amBoise Air Term. Gowen Fld
11h 13m
2 stops
SAT9:28 pmSan Antonio
Feb 11
SAT7:35 amSan Antonio
11h 53m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$256
Delta
Feb 7
BOI7:25 amBoise Air Term. Gowen Fld
13h 03m
2 stops
SAT9:28 pmSan Antonio
Feb 11
SAT4:40 pmSan Antonio
6h 38m
1 stop
BOI10:18 pmBoise Air Term. Gowen Fld
$257

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 8, 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

Mon 2/2

12:07 pm-7:33 pm

1 stop6h 26m

San Antonio

Thu 2/5

12:31 pm-1:27 pm

1 stop25h 56m

$176

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 2/19

12:36 pm-7:30 pm

1 stop5h 54m

San Antonio

Mon 2/23

6:06 pm-11:59 pm

1 stop6h 53m

$224

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 2/25

1:30 pm-9:55 pm

1 stop7h 25m

San Antonio

Mon 3/2

6:45 pm-11:40 pm

1 stop5h 55m

$243

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 2/25

1:30 pm-9:55 pm

1 stop7h 25m

San Antonio

Mon 3/2

4:05 pm-11:40 pm

2 stops8h 35m

$248

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 2/25

6:05 am-3:45 pm

2 stops8h 40m

San Antonio

Mon 3/2

4:05 pm-11:40 pm

2 stops8h 35m

$254

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 2/7

5:45 am-1:38 pm

1 stop6h 53m

San Antonio

Wed 2/11

6:20 pm-11:12 pm

1 stop5h 52m

$255

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 2/7

9:15 am-9:28 pm

2 stops11h 13m

San Antonio

Wed 2/11

7:35 am-6:28 pm

2 stops11h 53m

$256

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 2/7

7:25 am-9:28 pm

2 stops13h 03m

San Antonio

Wed 2/11

4:40 pm-10:18 pm

1 stop6h 38m

$257

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 2/18

11:20 am-5:00 pm

1 stop4h 40m

San Antonio

Sat 2/21

5:40 am-10:10 am

1 stop5h 30m

$258

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 2/19

2:40 pm-8:56 pm

1 stop5h 16m

San Antonio

Tue 2/24

4:45 pm-11:23 pm

1 stop7h 38m

$264

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 05m

Direct flights

None
The fastest flight from Boise to San Antonio takes 5h 05m
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 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
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,025 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,095 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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