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Cheap flights from Boise to San Antonio from $126

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 1/5. 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.
Alaska Airlines Logo
10:00 am - 5:45 pm
BOI
-
SAT
6h 45m1 stop
Alaska Airlines Logo
6:46 pm - 3:10 pm
SAT
-
BOI
21h 24m1 stop
$264Alaska Airlines
Wed, Jan 21 - Wed, Jan 28
Delta Logo
1:00 pm - 9:28 pm
BOI
-
SAT
7h 28m1 stop
Delta Logo
5:20 am - 12:30 pm
SAT
-
BOI
8h 10m1 stop
$273Delta
Sat, Jan 17 - Tue, Feb 3
Delta Logo
10:39 am - 11:43 pm
BOI
-
SAT
12h 04m2 stops
Delta Logo
7:00 am - 4:17 pm
SAT
-
BOI
10h 17m2 stops
$274Delta
Wed, Jan 21 - Wed, Jan 28
Delta Logo
1:42 pm - 11:23 pm
BOI
-
SAT
8h 41m1 stop
Delta Logo
7:00 am - 4:17 pm
SAT
-
BOI
10h 17m2 stops
$284Delta
Sat, Jan 17 - Tue, Feb 3
Delta Logo
1:42 pm - 11:23 pm
BOI
-
SAT
8h 41m1 stop
Delta Logo
1:03 pm - 9:58 pm
SAT
-
BOI
9h 55m2 stops
$285Delta
Sat, Jan 17 - Tue, Feb 3
American Airlines Logo
1:58 pm - 8:50 pm
BOI
-
SAT
5h 52m1 stop
American Airlines Logo
3:07 pm - 7:25 pm
SAT
-
BOI
5h 18m1 stop
$290American Airlines
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
8:10 am - 7:41 pm
BOI
-
SAT
10h 31m2 stops
United Airlines Logo
4:43 pm - 9:52 pm
SAT
-
BOI
6h 09m1 stop
$296United Airlines
Wed, Jan 21 - Wed, Jan 28
Delta Logo
1:40 pm - 10:28 pm
BOI
-
SAT
7h 48m1 stop
Delta Logo
1:03 pm - 11:59 pm
SAT
-
BOI
11h 56m2 stops
$302Delta
Mon, Feb 2 - Fri, Feb 6
Delta Logo
10:39 am - 11:43 pm
BOI
-
SAT
12h 04m2 stops
Delta Logo
7:35 am - 6:28 pm
SAT
-
BOI
11h 53m2 stops
$314Delta
Mon, Feb 2 - Fri, Feb 6
Alaska Airlines Logo
6:23 am - 5:45 pm
BOI
-
SAT
10h 22m1 stop
Alaska Airlines Logo
6:46 pm - 10:52 am
SAT
-
BOI
17h 06m1 stop
$319Alaska Airlines
Mon, Feb 2 - Fri, Feb 6

Alaska Airlines flights from Boise to San Antonio

Our best Alaska Airlines deals on Boise to San Antonio flight tickets
Alaska Airlines
Jan 21
BOI10:00 amBoise Air Term. Gowen Fld
6h 45m
1 stop
SAT5:45 pmSan Antonio
Jan 28
SAT6:46 pmSan Antonio
21h 24m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
$264
Find similar
Alaska Airlines
Feb 2
BOI6:23 amBoise Air Term. Gowen Fld
10h 22m
1 stop
SAT5:45 pmSan Antonio
Feb 6
SAT6:46 pmSan Antonio
17h 06m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$319
Find similar
Alaska Airlines
Apr 12
BOI8:20 amBoise Air Term. Gowen Fld
7h 34m
1 stop
SAT4:54 pmSan Antonio
Apr 18
SAT5:50 pmSan Antonio
7h 06m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
$373
Find similar

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Jan 21
BOI8:10 amBoise Air Term. Gowen Fld
10h 31m
2 stops
SAT7:41 pmSan Antonio
Jan 28
SAT4:43 pmSan Antonio
6h 09m
1 stop
BOI9:52 pmBoise Air Term. Gowen Fld
$296
Find similar
United Airlines
Jan 18
BOI6:10 amBoise Air Term. Gowen Fld
5h 59m
1 stop
SAT1:09 pmSan Antonio
Jan 22
SAT2:05 pmSan Antonio
9h 52m
1 stop
BOI10:57 pmBoise Air Term. Gowen Fld
$353
Find similar
United Airlines
Jan 18
BOI10:28 amBoise Air Term. Gowen Fld
11h 29m
2 stops
SAT10:57 pmSan Antonio
Jan 22
SAT1:20 pmSan Antonio
7h 25m
1 stop
BOI7:45 pmBoise Air Term. Gowen Fld
$358
Find similar

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 December 24, 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

Wed 1/21

10:00 am-5:45 pm

1 stop6h 45m

San Antonio

Wed 1/28

6:46 pm-3:10 pm

1 stop21h 24m

$264

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 1/17

1:00 pm-9:28 pm

1 stop7h 28m

San Antonio

Tue 2/3

5:20 am-12:30 pm

1 stop8h 10m

$273

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 1/21

10:39 am-11:43 pm

2 stops12h 04m

San Antonio

Wed 1/28

7:00 am-4:17 pm

2 stops10h 17m

$274

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 1/17

1:42 pm-11:23 pm

1 stop8h 41m

San Antonio

Tue 2/3

7:00 am-4:17 pm

2 stops10h 17m

$284

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 1/17

1:42 pm-11:23 pm

1 stop8h 41m

San Antonio

Tue 2/3

1:03 pm-9:58 pm

2 stops9h 55m

$285

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 1/15

1:58 pm-8:50 pm

1 stop5h 52m

San Antonio

Mon 1/19

3:07 pm-7:25 pm

1 stop5h 18m

$290

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 1/21

8:10 am-7:41 pm

2 stops10h 31m

San Antonio

Wed 1/28

4:43 pm-9:52 pm

1 stop6h 09m

$296

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 2/2

1:40 pm-10:28 pm

1 stop7h 48m

San Antonio

Fri 2/6

1:03 pm-11:59 pm

2 stops11h 56m

$302

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 2/2

10:39 am-11:43 pm

2 stops12h 04m

San Antonio

Fri 2/6

7:35 am-6:28 pm

2 stops11h 53m

$314

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 2/2

6:23 am-5:45 pm

1 stop10h 22m

San Antonio

Fri 2/6

6:46 pm-10:52 am

1 stop17h 06m

$319

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.

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 $385 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 December 2025, prices for Boise to San Antonio flights are approximately 17% cheaper 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 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
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,111 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,255 reviews
Search Southwest flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,015 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,054 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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