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Cheap flights from San Antonio to Boise from $126

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 4/12. 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.
Southwest Logo
6:55 pm - 11:30 pm
SAT
-
BOI
5h 35m
1 stop
Southwest Logo
3:15 pm - 12:15 am
BOI
-
SAT
8h 00m
1 stop
$264Southwest
Tue, Jun 2 - Tue, Jun 9
Southwest Logo
5:55 pm - 11:30 pm
SAT
-
BOI
6h 35m
2 stops
Southwest Logo
4:05 pm - 11:15 pm
BOI
-
SAT
6h 10m
1 stop
$270Southwest
Tue, Jun 2 - Tue, Jun 9
Southwest Logo
4:25 pm - 11:30 pm
SAT
-
BOI
8h 05m
2 stops
Southwest Logo
11:45 am - 12:30 am
BOI
-
SAT
11h 45m
2 stops
$281Southwest
Tue, Jun 2 - Tue, Jun 9
Delta Logo
6:20 pm - 11:11 pm
SAT
-
BOI
5h 51m
1 stop
Delta Logo
8:30 am - 5:10 pm
BOI
-
SAT
7h 40m
1 stop
$324Delta
Sat, Apr 18 - Mon, Apr 20
Frontier Logo
7:54 pm - 12:27 pm
SAT
-
BOI
17h 33m
1 stop
Frontier Logo
1:22 pm - 6:59 pm
BOI
-
SAT
28h 37m
1 stop
$347Frontier
Wed, May 13 - Sun, May 17
Delta Logo
6:10 pm - 11:46 pm
SAT
-
BOI
6h 36m
1 stop
Delta Logo
6:41 pm - 12:13 am
BOI
-
SAT
4h 32m
1 stop
$361Delta
Wed, May 13 - Mon, May 18
United Airlines Logo
4:45 pm - 10:35 pm
SAT
-
BOI
6h 50m
1 stop
United Airlines Logo
5:00 am - 1:00 pm
BOI
-
SAT
7h 00m
1 stop
$380United Airlines
Wed, Apr 15 - Sat, Apr 18
United Airlines Logo
4:45 pm - 10:35 pm
SAT
-
BOI
6h 50m
1 stop
United Airlines Logo
7:11 am - 8:42 pm
BOI
-
SAT
12h 31m
2 stops
$385United Airlines
Wed, Apr 15 - Sat, Apr 18
Southwest Logo
8:30 pm - 1:00 am
SAT
-
BOI
5h 30m
1 stop
Southwest Logo
5:30 am - 12:05 pm
BOI
-
SAT
5h 35m
1 stop
$399Southwest
Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
4:45 pm - 10:35 pm
SAT
-
BOI
6h 50m
1 stop
United Airlines Logo
6:15 am - 1:00 pm
BOI
-
SAT
5h 45m
1 stop
$407United Airlines
Wed, Apr 15 - Sat, Apr 18

Southwest flights from San Antonio to Boise

Our best Southwest deals on San Antonio to Boise flight tickets
Southwest
Jun 2
SAT6:55 pmSan Antonio
5h 35m
1 stop
BOI11:30 pmBoise Air Term. Gowen Fld
Jun 9
BOI3:15 pmBoise Air Term. Gowen Fld
8h 00m
1 stop
SAT12:15 amSan Antonio
$264
Southwest
Jun 2
SAT5:55 pmSan Antonio
6h 35m
2 stops
BOI11:30 pmBoise Air Term. Gowen Fld
Jun 9
BOI4:05 pmBoise Air Term. Gowen Fld
6h 10m
1 stop
SAT11:15 pmSan Antonio
$270
Southwest
Jun 2
SAT4:25 pmSan Antonio
8h 05m
2 stops
BOI11:30 pmBoise Air Term. Gowen Fld
Jun 9
BOI11:45 amBoise Air Term. Gowen Fld
11h 45m
2 stops
SAT12:30 amSan Antonio
$281

Delta flights from San Antonio to Boise

Our best Delta deals on San Antonio to Boise flight tickets
Delta
Apr 18
SAT6:20 pmSan Antonio
5h 51m
1 stop
BOI11:11 pmBoise Air Term. Gowen Fld
Apr 20
BOI8:30 amBoise Air Term. Gowen Fld
7h 40m
1 stop
SAT5:10 pmSan Antonio
$324
Delta
May 13
SAT6:10 pmSan Antonio
6h 36m
1 stop
BOI11:46 pmBoise Air Term. Gowen Fld
May 18
BOI6:41 pmBoise Air Term. Gowen Fld
4h 32m
1 stop
SAT12:13 amSan Antonio
$361
Delta
Apr 16
SAT6:39 amSan Antonio
8h 47m
1 stop
BOI2:26 pmBoise Air Term. Gowen Fld
Apr 19
BOI8:30 amBoise Air Term. Gowen Fld
7h 42m
1 stop
SAT5:12 pmSan Antonio
$410

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 March 24, 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

Tue 6/2

6:55 pm-11:30 pm

1 stop5h 35m

Boise Air Term. Gowen Fld

Tue 6/9

3:15 pm-12:15 am

1 stop8h 00m

$264

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 6/2

5:55 pm-11:30 pm

2 stops6h 35m

Boise Air Term. Gowen Fld

Tue 6/9

4:05 pm-11:15 pm

1 stop6h 10m

$270

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 6/2

4:25 pm-11:30 pm

2 stops8h 05m

Boise Air Term. Gowen Fld

Tue 6/9

11:45 am-12:30 am

2 stops11h 45m

$281

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 4/18

6:20 pm-11:11 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Mon 4/20

8:30 am-5:10 pm

1 stop7h 40m

$324

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 5/13

7:54 pm-12:27 pm

1 stop17h 33m

Boise Air Term. Gowen Fld

Sun 5/17

1:22 pm-6:59 pm

1 stop28h 37m

$347

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 5/13

6:10 pm-11:46 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Mon 5/18

6:41 pm-12:13 am

1 stop4h 32m

$361

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 4/15

4:45 pm-10:35 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Sat 4/18

5:00 am-1:00 pm

1 stop7h 00m

$380

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 4/15

4:45 pm-10:35 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Sat 4/18

7:11 am-8:42 pm

2 stops12h 31m

$385
Quickest round-trip

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 4/16

8:30 pm-1:00 am

1 stop5h 30m

Boise Air Term. Gowen Fld

Sun 4/19

5:30 am-12:05 pm

1 stop5h 35m

$399

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 4/15

4:45 pm-10:35 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Sat 4/18

6:15 am-1:00 pm

1 stop5h 45m

$407

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 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 September is, on average, the cheapest month to fly to Boise from San Antonio, with most prices found around $300. If you aren’t able to travel during the month of September, then book flights to Boise from San Antonio during May instead. Flights to Boise in May, while not as cheap as those in September, still average around $306.

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

You could potentially save up to 30% 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 March 2026, prices for San Antonio to Boise flights are approximately 53% cheaper 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 06m

Direct flights

None
The fastest flight from San Antonio to Boise takes 5h 06m
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 06m 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
7.9
8,320 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
SouthwestPriceFrom $271Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,469 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
Meridian
McCall
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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