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Cheap flights from Boise to San Antonio from $128

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 8/27. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:24 pm - 6:44 pm
BOI
-
SAT
28h 20m
1 stop
Frontier Logo
7:49 pm - 12:29 pm
SAT
-
BOI
17h 40m
1 stop
$270Frontier
Sun, Aug 2 - Sat, Aug 8
Frontier Logo
12:24 pm - 7:31 pm
BOI
-
SAT
6h 07m
1 stop
Frontier Logo
11:08 am - 12:04 pm
SAT
-
BOI
25h 56m
1 stop
$271Frontier
Sun, Sep 6 - Sat, Sep 12
Frontier Logo
1:24 pm - 7:31 pm
BOI
-
SAT
5h 07m
1 stop
Frontier Logo
11:08 am - 12:04 pm
SAT
-
BOI
25h 56m
1 stop
$274Frontier
Tue, Sep 8 - Mon, Sep 14
Multiple Airlines Logo
1:24 pm - 7:31 pm
BOI
-
SAT
5h 07m
1 stop
Multiple Airlines Logo
5:11 pm - 11:44 pm
SAT
-
BOI
7h 33m
1 stop
$292Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
12:24 pm - 7:31 pm
BOI
-
SAT
6h 07m
1 stop
Multiple Airlines Logo
5:11 pm - 11:44 pm
SAT
-
BOI
7h 33m
1 stop
$295Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
8:47 pm - 5:00 am
BOI
-
SAT
7h 13m
1 stop
Multiple Airlines Logo
7:49 pm - 12:29 pm
SAT
-
BOI
17h 40m
1 stop
$305Multiple Airlines
Tue, Aug 4 - Sat, Aug 8
Multiple Airlines Logo
8:47 pm - 5:00 am
BOI
-
SAT
7h 13m
1 stop
Multiple Airlines Logo
7:49 pm - 12:29 pm
SAT
-
BOI
17h 40m
1 stop
$308Multiple Airlines
Tue, Aug 4 - Sat, Aug 8
Multiple Airlines Logo
8:03 am - 4:13 pm
BOI
-
SAT
7h 10m
1 stop
Multiple Airlines Logo
8:26 pm - 11:29 am
SAT
-
BOI
16h 03m
1 stop
$321Multiple Airlines
Wed, Aug 26 - Sat, Aug 29
Southwest Logo
8:20 am - 2:05 pm
BOI
-
SAT
4h 45m
1 stop
Southwest Logo
6:40 am - 11:40 am
SAT
-
BOI
6h 00m
1 stop
$333Southwest
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
2:20 pm - 9:05 pm
BOI
-
SAT
5h 45m
1 stop
Southwest Logo
4:20 pm - 11:10 pm
SAT
-
BOI
7h 50m
2 stops
$338Southwest
Tue, Aug 18 - Tue, Aug 25

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Frontier flights from Boise to San Antonio

Our best Frontier deals on Boise to San Antonio flight tickets
Frontier
Aug 2
BOI1:24 pmBoise Air Term. Gowen Fld
28h 20m
1 stop
SAT6:44 pmSan Antonio
Aug 8
SAT7:49 pmSan Antonio
17h 40m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
$270
Frontier
Sep 6
BOI12:24 pmBoise Air Term. Gowen Fld
6h 07m
1 stop
SAT7:31 pmSan Antonio
Sep 12
SAT11:08 amSan Antonio
25h 56m
1 stop
BOI12:04 pmBoise Air Term. Gowen Fld
$271
Frontier
Sep 8
BOI1:24 pmBoise Air Term. Gowen Fld
5h 07m
1 stop
SAT7:31 pmSan Antonio
Sep 14
SAT11:08 amSan Antonio
25h 56m
1 stop
BOI12:04 pmBoise Air Term. Gowen Fld
$274

Southwest flights from Boise to San Antonio

Our best Southwest deals on Boise to San Antonio flight tickets
Southwest
Oct 24
BOI8:20 amBoise Air Term. Gowen Fld
4h 45m
1 stop
SAT2:05 pmSan Antonio
Oct 27
SAT6:40 amSan Antonio
6h 00m
1 stop
BOI11:40 amBoise Air Term. Gowen Fld
$333
Southwest
Aug 18
BOI2:20 pmBoise Air Term. Gowen Fld
5h 45m
1 stop
SAT9:05 pmSan Antonio
Aug 25
SAT4:20 pmSan Antonio
7h 50m
2 stops
BOI11:10 pmBoise Air Term. Gowen Fld
$338
Southwest
Oct 22
BOI5:40 amBoise Air Term. Gowen Fld
8h 05m
2 stops
SAT2:45 pmSan Antonio
Oct 28
SAT6:30 amSan Antonio
5h 15m
1 stop
BOI10:45 amBoise Air Term. Gowen Fld
$359

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 July 6, 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 8/2

1:24 pm-6:44 pm

1 stop28h 20m

San Antonio

Sat 8/8

7:49 pm-12:29 pm

1 stop17h 40m

$270

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 9/6

12:24 pm-7:31 pm

1 stop6h 07m

San Antonio

Sat 9/12

11:08 am-12:04 pm

1 stop25h 56m

$271

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 9/8

1:24 pm-7:31 pm

1 stop5h 07m

San Antonio

Mon 9/14

11:08 am-12:04 pm

1 stop25h 56m

$274

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 8/18

1:24 pm-7:31 pm

1 stop5h 07m

San Antonio

Tue 8/25

5:11 pm-11:44 pm

1 stop7h 33m

$292

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 8/20

12:24 pm-7:31 pm

1 stop6h 07m

San Antonio

Wed 8/26

5:11 pm-11:44 pm

1 stop7h 33m

$295

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 8/4

8:47 pm-5:00 am

1 stop7h 13m

San Antonio

Sat 8/8

7:49 pm-12:29 pm

1 stop17h 40m

$305

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 8/4

8:47 pm-5:00 am

1 stop7h 13m

San Antonio

Sat 8/8

7:49 pm-12:29 pm

1 stop17h 40m

$308

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 8/26

8:03 am-4:13 pm

1 stop7h 10m

San Antonio

Sat 8/29

8:26 pm-11:29 am

1 stop16h 03m

$321
Quickest round-trip

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 10/24

8:20 am-2:05 pm

1 stop4h 45m

San Antonio

Tue 10/27

6:40 am-11:40 am

1 stop6h 00m

$333

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 8/18

2:20 pm-9:05 pm

1 stop5h 45m

San Antonio

Tue 8/25

4:20 pm-11:10 pm

2 stops7h 50m

$338

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 typical price of a round-trip flight between Boise and San Antonio?

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 October instead. Flights to San Antonio in October, while not as cheap as those in January, still average around $371.

How far in advance should I book a flight from Boise 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 $446 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 $265 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

4h 44m

Direct flights

None
The fastest flight from Boise to San Antonio takes 4h 44m
There are no direct flights from Boise to San Antonio. There are no popular flight routes from Boise to San Antonio.
Search flight deals

Frequently asked questions about flying from Boise to San Antonio

  • 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 44m.

  • 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 $196Free CancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,940 reviews
Search United Airlines flights
American AirlinesPriceFrom $266Free CancellationRating
7.1
11,782 reviews
Search American Airlines flights
SouthwestPriceFrom $290Free CancellationRating
7.9
4,251 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $303Free CancellationRating
7.9
12,628 reviews
Search Alaska 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
Pleasanton
Boerne
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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