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Cheap flights from Boise to San Antonio from $119

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 3/3. 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
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
12:38 pm - 7:25 pm
BOI
-
SAT
5h 47m
1 stop
Multiple Airlines Logo
6:06 pm - 9:40 am
SAT
-
BOI
16h 34m
1 stop
$198Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
3:34 pm - 11:08 am
SAT
-
BOI
20h 34m
1 stop
$236Frontier
Sun, Apr 12 - Sat, Apr 18
Delta Logo
10:45 am - 5:10 pm
BOI
-
SAT
5h 25m
1 stop
Delta Logo
6:39 am - 2:26 pm
SAT
-
BOI
8h 47m
1 stop
$237Delta
Wed, Apr 29 - Sat, May 2
United Airlines Logo
5:00 am - 1:00 pm
BOI
-
SAT
7h 00m
1 stop
United Airlines Logo
2:25 pm - 10:16 pm
SAT
-
BOI
8h 51m
2 stops
$242United Airlines
Wed, Apr 29 - Sat, May 2
Multiple Airlines Logo
12:38 pm - 7:25 pm
BOI
-
SAT
5h 47m
1 stop
Multiple Airlines Logo
1:40 pm - 11:59 pm
SAT
-
BOI
11h 19m
2 stops
$248Multiple Airlines
Thu, Feb 26 - Tue, Mar 3
United Airlines Logo
6:15 am - 1:00 pm
BOI
-
SAT
5h 45m
1 stop
United Airlines Logo
1:11 pm - 6:17 pm
SAT
-
BOI
6h 06m
1 stop
$269United Airlines
Wed, Apr 29 - Sat, May 2
United Airlines Logo
5:00 am - 1:08 pm
BOI
-
SAT
7h 08m
2 stops
United Airlines Logo
2:25 pm - 10:16 pm
SAT
-
BOI
8h 51m
2 stops
$280United Airlines
Wed, Apr 29 - Sat, May 2
Multiple Airlines Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Multiple Airlines Logo
5:50 pm - 11:56 pm
SAT
-
BOI
7h 06m
1 stop
$283Multiple Airlines
Thu, Apr 2 - Sat, Apr 4
Delta Logo
6:00 am - 1:38 pm
BOI
-
SAT
6h 38m
1 stop
Delta Logo
6:05 pm - 9:56 pm
SAT
-
BOI
4h 51m
1 stop
$287Delta
Wed, Apr 29 - Mon, May 4
Delta Logo
7:24 am - 9:25 pm
BOI
-
SAT
13h 01m
2 stops
Delta Logo
6:39 am - 2:26 pm
SAT
-
BOI
8h 47m
1 stop
$290Delta
Sat, Apr 18 - Wed, Apr 22

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
SAT3:34 pmSan Antonio
20h 34m
1 stop
BOI11:08 amBoise Air Term. Gowen Fld
$236
Frontier
Mar 26
BOI12:15 pmBoise Air Term. Gowen Fld
11h 02m
1 stop
SAT12:17 amSan Antonio
Mar 29
SAT6:45 amSan Antonio
5h 35m
1 stop
BOI11:20 amBoise Air Term. Gowen Fld
$309

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Apr 29
BOI5:00 amBoise Air Term. Gowen Fld
7h 00m
1 stop
SAT1:00 pmSan Antonio
May 2
SAT2:25 pmSan Antonio
8h 51m
2 stops
BOI10:16 pmBoise Air Term. Gowen Fld
$242
United Airlines
Apr 29
BOI6:15 amBoise Air Term. Gowen Fld
5h 45m
1 stop
SAT1:00 pmSan Antonio
May 2
SAT1:11 pmSan Antonio
6h 06m
1 stop
BOI6:17 pmBoise Air Term. Gowen Fld
$269
United Airlines
Apr 29
BOI5:00 amBoise Air Term. Gowen Fld
7h 08m
2 stops
SAT1:08 pmSan Antonio
May 2
SAT2:25 pmSan Antonio
8h 51m
2 stops
BOI10:16 pmBoise Air Term. Gowen Fld
$280

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 February 3, 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

Thu 2/26

12:38 pm-7:25 pm

1 stop5h 47m

San Antonio

Tue 3/3

6:06 pm-9:40 am

1 stop16h 34m

$198

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

3:34 pm-11:08 am

1 stop20h 34m

$236

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

10:45 am-5:10 pm

1 stop5h 25m

San Antonio

Sat 5/2

6:39 am-2:26 pm

1 stop8h 47m

$237

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

5:00 am-1:00 pm

1 stop7h 00m

San Antonio

Sat 5/2

2:25 pm-10:16 pm

2 stops8h 51m

$242

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 2/26

12:38 pm-7:25 pm

1 stop5h 47m

San Antonio

Tue 3/3

1:40 pm-11:59 pm

2 stops11h 19m

$248

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

6:15 am-1:00 pm

1 stop5h 45m

San Antonio

Sat 5/2

1:11 pm-6:17 pm

1 stop6h 06m

$269

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

5:00 am-1:08 pm

2 stops7h 08m

San Antonio

Sat 5/2

2:25 pm-10:16 pm

2 stops8h 51m

$280

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/2

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Sat 4/4

5:50 pm-11:56 pm

1 stop7h 06m

$283

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

6:00 am-1:38 pm

1 stop6h 38m

San Antonio

Mon 5/4

6:05 pm-9:56 pm

1 stop4h 51m

$287

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 4/18

7:24 am-9:25 pm

2 stops13h 01m

San Antonio

Wed 4/22

6:39 am-2:26 pm

1 stop8h 47m

$290

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $374 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 February 2026, prices for Boise to San Antonio flights are approximately 17% 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

4h 35m

Direct flights

None
The fastest flight from Boise to San Antonio takes 4h 35m
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 4h 35m.

  • 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
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
11,216 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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