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Cheap flights from Boise to San Antonio from $121

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 4/15. 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.
Frontier Logo
12:03 pm - 12:19 am
BOI
-
SAT
11h 16m
1 stop
Frontier Logo
4:49 pm - 11:08 am
SAT
-
BOI
19h 19m
1 stop
$192Frontier
Thu, Apr 9 - Wed, Apr 15
Frontier Logo
12:15 pm - 12:17 am
BOI
-
SAT
11h 02m
1 stop
Frontier Logo
7:45 am - 11:08 am
SAT
-
BOI
28h 23m
1 stop
$201Frontier
Thu, Mar 26 - Wed, Apr 1
Delta Logo
8:30 am - 5:10 pm
BOI
-
SAT
7h 40m
1 stop
Delta Logo
6:02 pm - 11:11 pm
SAT
-
BOI
6h 09m
1 stop
$255Delta
Wed, Apr 29 - Sat, May 2
Delta Logo
1:45 pm - 12:16 am
BOI
-
SAT
9h 31m
2 stops
Delta Logo
12:39 pm - 9:24 pm
SAT
-
BOI
9h 45m
2 stops
$258Delta
Thu, Apr 9 - Wed, Apr 15
Delta Logo
1:52 pm - 12:25 am
BOI
-
SAT
9h 33m
2 stops
Delta Logo
7:38 am - 3:03 pm
SAT
-
BOI
8h 25m
1 stop
$260Delta
Thu, Apr 23 - Tue, Apr 28
Frontier Logo
12:03 pm - 10:43 am
BOI
-
SAT
21h 40m
2 stops
Frontier Logo
4:49 pm - 11:08 am
SAT
-
BOI
19h 19m
1 stop
$262Frontier
Thu, Apr 9 - Wed, Apr 15
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
$270Frontier
Sun, Mar 8 - Thu, Mar 12
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
$271Frontier
Sun, Apr 12 - Sat, Apr 18
Delta Logo
11:35 pm - 9:46 am
BOI
-
SAT
9h 11m
1 stop
Delta Logo
3:33 pm - 11:00 pm
SAT
-
BOI
8h 27m
1 stop
$272Delta
Thu, Apr 23 - Tue, Apr 28
Frontier Logo
12:15 pm - 1:23 pm
BOI
-
SAT
24h 08m
2 stops
Frontier Logo
7:45 am - 11:08 am
SAT
-
BOI
28h 23m
1 stop
$273Frontier
Thu, Mar 26 - Wed, Apr 1

United Airlines flights from Boise to San Antonio

Our best United Airlines deals on Boise to San Antonio flight tickets
United Airlines
Apr 14
BOI5:00 amBoise Air Term. Gowen Fld
7h 08m
2 stops
SAT1:08 pmSan Antonio
Apr 21
SAT4:45 pmSan Antonio
5h 37m
1 stop
BOI9:22 pmBoise Air Term. Gowen Fld
$282
United Airlines
Apr 23
BOI7:03 pmBoise Air Term. Gowen Fld
8h 57m
1 stop
SAT5:00 amSan Antonio
Apr 28
SAT4:45 pmSan Antonio
5h 37m
1 stop
BOI9:22 pmBoise Air Term. Gowen Fld
$296
United Airlines
Apr 14
BOI5:00 amBoise Air Term. Gowen Fld
7h 08m
2 stops
SAT1:08 pmSan Antonio
Apr 21
SAT9:40 amSan Antonio
9h 25m
2 stops
BOI6:05 pmBoise Air Term. Gowen Fld
$330

Delta flights from Boise to San Antonio

Our best Delta deals on Boise to San Antonio flight tickets
Delta
Apr 29
BOI8:30 amBoise Air Term. Gowen Fld
7h 40m
1 stop
SAT5:10 pmSan Antonio
May 2
SAT6:02 pmSan Antonio
6h 09m
1 stop
BOI11:11 pmBoise Air Term. Gowen Fld
$255
Delta
Apr 9
BOI1:45 pmBoise Air Term. Gowen Fld
9h 31m
2 stops
SAT12:16 amSan Antonio
Apr 15
SAT12:39 pmSan Antonio
9h 45m
2 stops
BOI9:24 pmBoise Air Term. Gowen Fld
$258
Delta
Apr 23
BOI1:52 pmBoise Air Term. Gowen Fld
9h 33m
2 stops
SAT12:25 amSan Antonio
Apr 28
SAT7:38 amSan Antonio
8h 25m
1 stop
BOI3:03 pmBoise Air Term. Gowen Fld
$260

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 25, 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 4/9

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Wed 4/15

4:49 pm-11:08 am

1 stop19h 19m

$192

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/26

12:15 pm-12:17 am

1 stop11h 02m

San Antonio

Wed 4/1

7:45 am-11:08 am

1 stop28h 23m

$201

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/29

8:30 am-5:10 pm

1 stop7h 40m

San Antonio

Sat 5/2

6:02 pm-11:11 pm

1 stop6h 09m

$255

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/9

1:45 pm-12:16 am

2 stops9h 31m

San Antonio

Wed 4/15

12:39 pm-9:24 pm

2 stops9h 45m

$258

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/23

1:52 pm-12:25 am

2 stops9h 33m

San Antonio

Tue 4/28

7:38 am-3:03 pm

1 stop8h 25m

$260

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/9

12:03 pm-10:43 am

2 stops21h 40m

San Antonio

Wed 4/15

4:49 pm-11:08 am

1 stop19h 19m

$262

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 3/8

12:15 pm-12:17 am

1 stop11h 02m

San Antonio

Thu 3/12

6:45 am-11:20 am

1 stop5h 35m

$270

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

$271

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/23

11:35 pm-9:46 am

1 stop9h 11m

San Antonio

Tue 4/28

3:33 pm-11:00 pm

1 stop8h 27m

$272

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/26

12:15 pm-1:23 pm

2 stops24h 08m

San Antonio

Wed 4/1

7:45 am-11:08 am

1 stop28h 23m

$273

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 $372 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 13m

Direct flights

None
The fastest flight from Boise to San Antonio takes 5h 13m
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 13m.

  • 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
8,237 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,345 reviews
Search United Airlines flights
SouthwestPriceFrom $230Free CancellationRating
8.0
4,300 reviews
Search Southwest flights
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,345 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.

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