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Cheap flights from San Antonio to Boise from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Boise departing on 7/25. 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 San Antonio to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:39 pm - 12:29 pm
SAT
-
BOI
17h 50m
1 stop
Frontier Logo
1:24 pm - 6:44 pm
BOI
-
SAT
28h 20m
1 stop
$294Frontier
Sat, Jul 18 - Sun, Jul 26
Frontier Logo
7:39 pm - 12:29 pm
SAT
-
BOI
17h 50m
1 stop
Frontier Logo
1:24 pm - 6:44 pm
BOI
-
SAT
28h 20m
1 stop
$313Frontier
Sat, Jul 18 - Sun, Jul 26
Alaska Airlines Logo
7:02 am - 3:26 pm
SAT
-
BOI
9h 24m
1 stop
Alaska Airlines Logo
11:42 am - 5:00 am
BOI
-
SAT
16h 18m
1 stop
$333Alaska Airlines
Tue, Jul 28 - Tue, Aug 4
American Airlines Logo
2:45 pm - 10:40 pm
SAT
-
BOI
8h 55m
2 stops
American Airlines Logo
8:01 am - 4:33 pm
BOI
-
SAT
7h 32m
1 stop
$338American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
2:45 pm - 10:40 pm
SAT
-
BOI
8h 55m
2 stops
American Airlines Logo
1:55 pm - 10:50 pm
BOI
-
SAT
7h 55m
2 stops
$343American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
5:35 pm - 11:21 pm
SAT
-
BOI
6h 46m
1 stop
American Airlines Logo
3:54 pm - 11:58 pm
BOI
-
SAT
7h 04m
1 stop
$348American Airlines
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
1:39 pm - 10:05 pm
SAT
-
BOI
9h 26m
2 stops
United Airlines Logo
6:30 am - 12:43 pm
BOI
-
SAT
5h 13m
1 stop
$355United Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
2:45 pm - 10:40 pm
SAT
-
BOI
8h 55m
2 stops
American Airlines Logo
1:55 pm - 10:50 pm
BOI
-
SAT
7h 55m
2 stops
$358American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
2:45 pm - 10:40 pm
SAT
-
BOI
8h 55m
2 stops
American Airlines Logo
1:55 pm - 10:50 pm
BOI
-
SAT
7h 55m
2 stops
$365American Airlines
Wed, Aug 26 - Wed, Sep 2
Delta Logo
6:03 pm - 11:59 pm
SAT
-
BOI
6h 56m
1 stop
Delta Logo
7:00 am - 2:57 pm
BOI
-
SAT
6h 57m
1 stop
$373Delta
Thu, Aug 13 - Wed, Aug 19

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Frontier flights from San Antonio to Boise

Our best Frontier deals on San Antonio to Boise flight tickets
Frontier
Jul 18
SAT7:39 pmSan Antonio
17h 50m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Jul 26
BOI1:24 pmBoise Air Term. Gowen Fld
28h 20m
1 stop
SAT6:44 pmSan Antonio
$294
Frontier
Jul 18
SAT7:39 pmSan Antonio
17h 50m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Jul 26
BOI1:24 pmBoise Air Term. Gowen Fld
28h 20m
1 stop
SAT6:44 pmSan Antonio
$313
Frontier
Jun 22
SAT7:51 pmSan Antonio
17h 39m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
Jun 25
BOI1:25 pmBoise Air Term. Gowen Fld
28h 31m
1 stop
SAT6:56 pmSan Antonio
$410

Alaska Airlines flights from San Antonio to Boise

Our best Alaska Airlines deals on San Antonio to Boise flight tickets
Alaska Airlines
Jul 28
SAT7:02 amSan Antonio
9h 24m
1 stop
BOI3:26 pmBoise Air Term. Gowen Fld
Aug 4
BOI11:42 amBoise Air Term. Gowen Fld
16h 18m
1 stop
SAT5:00 amSan Antonio
$333
Alaska Airlines
Aug 25
SAT12:40 pmSan Antonio
12h 04m
2 stops
BOI11:44 pmBoise Air Term. Gowen Fld
Aug 26
BOI8:03 amBoise Air Term. Gowen Fld
7h 10m
1 stop
SAT4:13 pmSan Antonio
$438
Alaska Airlines
Jul 28
SAT7:02 amSan Antonio
12h 25m
2 stops
BOI6:27 pmBoise Air Term. Gowen Fld
Aug 4
BOI6:13 pmBoise Air Term. Gowen Fld
9h 47m
1 stop
SAT5:00 amSan Antonio
$454

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Boise 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 June 21, 2026.
Use the filters below to find and compare flights from San Antonio to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 7/18

7:39 pm-12:29 pm

1 stop17h 50m

Boise Air Term. Gowen Fld

Sun 7/26

1:24 pm-6:44 pm

1 stop28h 20m

$294

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 7/18

7:39 pm-12:29 pm

1 stop17h 50m

Boise Air Term. Gowen Fld

Sun 7/26

1:24 pm-6:44 pm

1 stop28h 20m

$313

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 7/28

7:02 am-3:26 pm

1 stop9h 24m

Boise Air Term. Gowen Fld

Tue 8/4

11:42 am-5:00 am

1 stop16h 18m

$333

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

2:45 pm-10:40 pm

2 stops8h 55m

Boise Air Term. Gowen Fld

Wed 9/2

8:01 am-4:33 pm

1 stop7h 32m

$338

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

2:45 pm-10:40 pm

2 stops8h 55m

Boise Air Term. Gowen Fld

Wed 9/2

1:55 pm-10:50 pm

2 stops7h 55m

$343
Quickest round-trip

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 7/14

5:35 pm-11:21 pm

1 stop6h 46m

Boise Air Term. Gowen Fld

Tue 7/21

3:54 pm-11:58 pm

1 stop7h 04m

$348

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 8/4

1:39 pm-10:05 pm

2 stops9h 26m

Boise Air Term. Gowen Fld

Tue 8/11

6:30 am-12:43 pm

1 stop5h 13m

$355

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

2:45 pm-10:40 pm

2 stops8h 55m

Boise Air Term. Gowen Fld

Wed 9/2

1:55 pm-10:50 pm

2 stops7h 55m

$358

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

2:45 pm-10:40 pm

2 stops8h 55m

Boise Air Term. Gowen Fld

Wed 9/2

1:55 pm-10:50 pm

2 stops7h 55m

$365

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 8/13

6:03 pm-11:59 pm

1 stop6h 56m

Boise Air Term. Gowen Fld

Wed 8/19

7:00 am-2:57 pm

1 stop6h 57m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Antonio to Boise

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 San Antonio and Boise?

What is the cheapest month to fly to Boise?

The month of September is, on average, the cheapest month to fly to Boise from San Antonio, with most prices found around $313. If you aren’t able to travel during the month of September, then book flights to Boise from San Antonio during August instead. Flights to Boise in August, while not as cheap as those in September, still average around $322.

Can stopping save me money on San Antonio to Boise flights?

You could potentially save up to 15% on your flight if you consider stops on a San Antonio to Boise flight.

How have San Antonio to Boise flight prices changed over time?

As of June 2026, prices for San Antonio to Boise flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Boise (SAT to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Boise

Fastest flight time

5h 13m

Direct flights

None
The fastest flight from San Antonio to Boise takes 5h 13m
There are no direct flights from San Antonio to Boise. There are no popular flight routes from San Antonio to Boise.
Search flight deals

Frequently asked questions about flying from San Antonio to Boise

  • How far is San Antonio to Boise Air Term. Gowen Fld by plane?

    The straight-line distance from San Antonio to Boise Air Term. Gowen Fld is 1381.9 mi. 5h 13m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Antonio Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from San Antonio Airport to Boise Air Term. Gowen Fld Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from San Antonio Airport to Boise Air Term. Gowen Fld Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Boise?

Best airlines flying from San Antonio to Boise

Compare and see reviews for airlines that fly from San Antonio to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.8
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.1
11,722 reviews
Search American Airlines flights
SouthwestPriceFrom $271Free CancellationRating
7.9
4,243 reviews
Search Southwest flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
9,868 reviews
Search United Airlines flights

  • United Airlines Flights From San Antonio to Boise

    United Airlines operates around 4 flights from San Antonio to Boise every week. The average price of these flights found in the last 72 hours has been $408, but momondo users have found United Airlines deals from San Antonio to Boise from as low as $316 round-trip. United Airlines has been scored 7.4/10 in 9,868 reviews.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Boise?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Boise for you.

Can I find flights from San Antonio to Boise with flexible booking policies on momondo?

All flight searches from San Antonio to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Boise?

Once all potential San Antonio to Boise flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Antonio to Boise right now. Can momondo alert me if prices change?

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