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Cheap flights from San Antonio to Boise from $131

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 6/13. 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.
Frontier Logo
7:54 pm - 12:30 pm
SAT
-
BOI
17h 36m
1 stop
Frontier Logo
1:33 pm - 6:59 pm
BOI
-
SAT
28h 26m
1 stop
$221Frontier
Mon, Jun 1 - Thu, Jun 4
Frontier Logo
7:54 pm - 12:30 pm
SAT
-
BOI
17h 36m
1 stop
Frontier Logo
1:33 pm - 8:14 pm
BOI
-
SAT
29h 41m
2 stops
$365Frontier
Mon, Jun 1 - Thu, Jun 4
United Airlines Logo
5:30 am - 9:45 am
SAT
-
BOI
5h 15m
1 stop
United Airlines Logo
5:46 pm - 11:55 pm
BOI
-
SAT
5h 09m
1 stop
$378United Airlines
Wed, Jun 3 - Wed, Jun 10
Alaska Airlines Logo
4:53 pm - 10:33 pm
SAT
-
BOI
6h 40m
1 stop
Alaska Airlines Logo
4:17 pm - 3:57 pm
BOI
-
SAT
22h 40m
1 stop
$383Alaska Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
8:43 am - 1:24 pm
SAT
-
BOI
5h 41m
1 stop
American Airlines Logo
1:54 pm - 10:50 pm
BOI
-
SAT
7h 56m
2 stops
$388American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
5:00 am - 1:24 pm
SAT
-
BOI
9h 24m
2 stops
American Airlines Logo
1:54 pm - 10:50 pm
BOI
-
SAT
7h 56m
2 stops
$393American Airlines
Wed, Aug 26 - Wed, Sep 2
Delta Logo
6:10 pm - 11:46 pm
SAT
-
BOI
6h 36m
1 stop
Delta Logo
6:42 pm - 12:16 am
BOI
-
SAT
4h 34m
1 stop
$394Delta
Thu, Jun 4 - Wed, Jun 10
United Airlines Logo
5:30 am - 9:45 am
SAT
-
BOI
5h 15m
1 stop
United Airlines Logo
2:40 pm - 11:59 pm
BOI
-
SAT
8h 19m
1 stop
$401United Airlines
Fri, May 29 - Sat, May 30
Southwest Logo
6:45 pm - 12:45 am
SAT
-
BOI
7h 00m
1 stop
Southwest Logo
5:55 pm - 1:15 am
BOI
-
SAT
6h 20m
1 stop
$405Southwest
Mon, Jun 1 - Mon, Jun 8
Delta Logo
6:10 pm - 11:46 pm
SAT
-
BOI
6h 36m
1 stop
Delta Logo
1:53 pm - 12:44 am
BOI
-
SAT
9h 51m
1 stop
$406Delta
Fri, May 29 - Sat, May 30

Frontier flights from San Antonio to Boise

Our best Frontier deals on San Antonio to Boise flight tickets
Frontier
Jun 1
SAT7:54 pmSan Antonio
17h 36m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
Jun 4
BOI1:33 pmBoise Air Term. Gowen Fld
28h 26m
1 stop
SAT6:59 pmSan Antonio
$221
Frontier
Jun 1
SAT7:54 pmSan Antonio
17h 36m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
Jun 4
BOI1:33 pmBoise Air Term. Gowen Fld
29h 41m
2 stops
SAT8:14 pmSan Antonio
$365
Frontier
May 9
SAT7:54 pmSan Antonio
17h 33m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
May 14
BOI1:22 pmBoise Air Term. Gowen Fld
28h 37m
1 stop
SAT6:59 pmSan Antonio
$633

United Airlines flights from San Antonio to Boise

Our best United Airlines deals on San Antonio to Boise flight tickets
United Airlines
Jun 3
SAT5:30 amSan Antonio
5h 15m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
Jun 10
BOI5:46 pmBoise Air Term. Gowen Fld
5h 09m
1 stop
SAT11:55 pmSan Antonio
$378
United Airlines
May 29
SAT5:30 amSan Antonio
5h 15m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
May 30
BOI2:40 pmBoise Air Term. Gowen Fld
8h 19m
1 stop
SAT11:59 pmSan Antonio
$401
United Airlines
May 30
SAT4:35 pmSan Antonio
7h 02m
1 stop
BOI10:37 pmBoise Air Term. Gowen Fld
Jun 6
BOI2:40 pmBoise Air Term. Gowen Fld
8h 19m
1 stop
SAT11:59 pmSan Antonio
$449

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 May 4, 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

Mon 6/1

7:54 pm-12:30 pm

1 stop17h 36m

Boise Air Term. Gowen Fld

Thu 6/4

1:33 pm-6:59 pm

1 stop28h 26m

$221

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Mon 6/1

7:54 pm-12:30 pm

1 stop17h 36m

Boise Air Term. Gowen Fld

Thu 6/4

1:33 pm-8:14 pm

2 stops29h 41m

$365
Quickest round-trip

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 6/3

5:30 am-9:45 am

1 stop5h 15m

Boise Air Term. Gowen Fld

Wed 6/10

5:46 pm-11:55 pm

1 stop5h 09m

$378

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

4:53 pm-10:33 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

Wed 9/2

4:17 pm-3:57 pm

1 stop22h 40m

$383

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

8:43 am-1:24 pm

1 stop5h 41m

Boise Air Term. Gowen Fld

Wed 9/2

1:54 pm-10:50 pm

2 stops7h 56m

$388

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 8/26

5:00 am-1:24 pm

2 stops9h 24m

Boise Air Term. Gowen Fld

Wed 9/2

1:54 pm-10:50 pm

2 stops7h 56m

$393

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 6/4

6:10 pm-11:46 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Wed 6/10

6:42 pm-12:16 am

1 stop4h 34m

$394

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 5/29

5:30 am-9:45 am

1 stop5h 15m

Boise Air Term. Gowen Fld

Sat 5/30

2:40 pm-11:59 pm

1 stop8h 19m

$401

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Mon 6/1

6:45 pm-12:45 am

1 stop7h 00m

Boise Air Term. Gowen Fld

Mon 6/8

5:55 pm-1:15 am

1 stop6h 20m

$405

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 5/29

6:10 pm-11:46 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Sat 5/30

1:53 pm-12:44 am

1 stop9h 51m

$406

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 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 $300. 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 May 2026, prices for San Antonio to Boise flights are approximately 11% 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 15m

Direct flights

None
The fastest flight from San Antonio to Boise takes 5h 15m
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 15m 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
8,460 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.1
11,673 reviews
Search American Airlines flights
SouthwestPriceFrom $271Free CancellationRating
7.9
4,307 reviews
Search Southwest flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,680 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
Ontario
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?

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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