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Cheap flights from San Antonio to Boise 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 San Antonio to Boise departing on 1/17. 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 San Antonio to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:35 pm - 9:58 pm
SAT
-
BOI
8h 23m2 stops
Delta Logo
10:39 am - 11:43 pm
BOI
-
SAT
12h 04m2 stops
$274Delta
Sat, Feb 7 - Tue, Feb 10
Alaska Airlines Logo
6:46 pm - 12:51 pm
SAT
-
BOI
19h 05m1 stop
Alaska Airlines Logo
1:55 pm - 5:45 pm
BOI
-
SAT
26h 50m1 stop
$284Alaska Airlines
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
2:15 pm - 9:52 pm
SAT
-
BOI
8h 37m2 stops
United Airlines Logo
2:37 pm - 8:44 pm
BOI
-
SAT
5h 07m1 stop
$302United Airlines
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
1:20 pm - 11:48 pm
SAT
-
BOI
11h 28m2 stops
United Airlines Logo
9:48 am - 4:53 pm
BOI
-
SAT
6h 05m1 stop
$358United Airlines
Sun, Jan 18 - Thu, Jan 22
United Airlines Logo
1:20 pm - 11:48 pm
SAT
-
BOI
11h 28m2 stops
United Airlines Logo
10:15 am - 9:21 pm
BOI
-
SAT
10h 06m2 stops
$363United Airlines
Sun, Jan 18 - Thu, Jan 22
United Airlines Logo
5:30 am - 9:43 am
SAT
-
BOI
5h 13m1 stop
United Airlines Logo
7:00 am - 1:05 pm
BOI
-
SAT
5h 05m1 stop
$367United Airlines
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
6:45 am - 11:43 am
SAT
-
BOI
5h 58m1 stop
Multiple Airlines Logo
9:46 pm - 4:15 pm
BOI
-
SAT
17h 29m2 stops
$371Multiple Airlines
Thu, Jan 1 - Mon, Jan 5
Southwest Logo
6:00 am - 12:30 pm
SAT
-
BOI
7h 30m2 stops
Southwest Logo
4:20 pm - 10:45 pm
BOI
-
SAT
5h 25m1 stop
$372Southwest
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
8:20 am - 3:25 pm
SAT
-
BOI
8h 05m2 stops
Southwest Logo
6:00 am - 3:00 pm
BOI
-
SAT
8h 00m2 stops
$377Southwest
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
6:45 am - 11:43 am
SAT
-
BOI
5h 58m1 stop
Multiple Airlines Logo
9:46 pm - 5:37 am
BOI
-
SAT
6h 51m1 stop
$383Multiple Airlines
Thu, Jan 1 - Mon, Jan 5

Delta flights from San Antonio to Boise

Our best Delta deals on San Antonio to Boise flight tickets
Delta
Feb 7
SAT2:35 pmSan Antonio
8h 23m
2 stops
BOI9:58 pmBoise Air Term. Gowen Fld
Feb 10
BOI10:39 amBoise Air Term. Gowen Fld
12h 04m
2 stops
SAT11:43 pmSan Antonio
$274
Find similar
Delta
Jun 10
SAT5:50 pmSan Antonio
6h 39m
1 stop
BOI11:29 pmBoise Air Term. Gowen Fld
Jun 14
BOI5:45 pmBoise Air Term. Gowen Fld
5h 59m
1 stop
SAT12:44 amSan Antonio
$397
Find similar
Delta
Dec 30
SAT6:37 amSan Antonio
11h 50m
2 stops
BOI5:27 pmBoise Air Term. Gowen Fld
Jan 9
BOI9:15 amBoise Air Term. Gowen Fld
11h 13m
2 stops
SAT9:28 pmSan Antonio
$604
Find similar

Alaska Airlines flights from San Antonio to Boise

Our best Alaska Airlines deals on San Antonio to Boise flight tickets
Alaska Airlines
Feb 7
SAT6:46 pmSan Antonio
19h 05m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Feb 10
BOI1:55 pmBoise Air Term. Gowen Fld
26h 50m
1 stop
SAT5:45 pmSan Antonio
$284
Find similar
Alaska Airlines
Jan 18
SAT6:46 pmSan Antonio
19h 05m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 22
BOI10:00 amBoise Air Term. Gowen Fld
6h 45m
1 stop
SAT5:45 pmSan Antonio
$388
Find similar
Alaska Airlines
Jan 18
SAT6:46 pmSan Antonio
19h 05m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 22
BOI9:02 amBoise Air Term. Gowen Fld
7h 43m
1 stop
SAT5:45 pmSan Antonio
$389
Find similar

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 December 22, 2025.
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

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 2/7

2:35 pm-9:58 pm

2 stops8h 23m

Boise Air Term. Gowen Fld

Tue 2/10

10:39 am-11:43 pm

2 stops12h 04m

$274

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 2/7

6:46 pm-12:51 pm

1 stop19h 05m

Boise Air Term. Gowen Fld

Tue 2/10

1:55 pm-5:45 pm

1 stop26h 50m

$284

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 2/7

2:15 pm-9:52 pm

2 stops8h 37m

Boise Air Term. Gowen Fld

Tue 2/10

2:37 pm-8:44 pm

1 stop5h 07m

$302

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sun 1/18

1:20 pm-11:48 pm

2 stops11h 28m

Boise Air Term. Gowen Fld

Thu 1/22

9:48 am-4:53 pm

1 stop6h 05m

$358

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sun 1/18

1:20 pm-11:48 pm

2 stops11h 28m

Boise Air Term. Gowen Fld

Thu 1/22

10:15 am-9:21 pm

2 stops10h 06m

$363

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 6/10

5:30 am-9:43 am

1 stop5h 13m

Boise Air Term. Gowen Fld

Tue 6/16

7:00 am-1:05 pm

1 stop5h 05m

$367

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 1/1

6:45 am-11:43 am

1 stop5h 58m

Boise Air Term. Gowen Fld

Mon 1/5

9:46 pm-4:15 pm

2 stops17h 29m

$371

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 6/10

6:00 am-12:30 pm

2 stops7h 30m

Boise Air Term. Gowen Fld

Tue 6/16

4:20 pm-10:45 pm

1 stop5h 25m

$372

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 6/10

8:20 am-3:25 pm

2 stops8h 05m

Boise Air Term. Gowen Fld

Tue 6/16

6:00 am-3:00 pm

2 stops8h 00m

$377

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 1/1

6:45 am-11:43 am

1 stop5h 58m

Boise Air Term. Gowen Fld

Mon 1/5

9:46 pm-5:37 am

1 stop6h 51m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Boise from

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 cheapest month to fly to Boise?

The month of August is, on average, the cheapest month to fly to Boise from San Antonio, with most prices found around $286. If you aren’t able to travel during the month of August, then book flights to Boise from San Antonio during February instead. Flights to Boise in February, while not as cheap as those in August, still average around $292.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $310. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest San Antonio to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $369. In the afternoon is when there is more demand to fly to Boise, so prices are often more expensive at around $466 per ticket.

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

You could potentially save up to 28% 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?

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 20m

Direct flights

None
The fastest flight from San Antonio to Boise takes 5h 20m
There are no direct flights from San Antonio to Boise. There are no popular flight routes from San Antonio to Boise.
Search flight deals

  • 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 20m 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
Spirit AirlinesPriceFrom $79Free CancellationRating
6.3
8,192 reviews
Search Spirit Airlines flights
DeltaPriceFrom $194Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $271Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Traveling to a place near Boise?

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

Price alerts on flights to Boise from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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