HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$240+ Cheap flights from San Antonio to Boise (SAT - BOI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Antonio to Boise

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$240
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$550
From San Antonio to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Antonio to Boise

Cheapest flights from San Antonio to Boise
Explore the most affordable flight options available from San Antonio to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:04 amSAT - BOI
1 stop11h 37mMultiple Airlines
Sun 11/912:33 pmBOI - SAT
1 stop5h 57mMultiple Airlines
Deal found 9/15$240
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:20 pmSAT - BOI
2 stops20h 28mFrontier
Thu 11/1312:33 pmBOI - SAT
1 stop6h 10mFrontier
Deal found 9/15$245
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:40 pmSAT - BOI
2 stops8h 36mDelta
Mon 11/1011:42 amBOI - SAT
2 stops11h 17mDelta
Deal found 9/16$248
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:04 amSAT - BOI
1 stop11h 37mMultiple Airlines
Mon 11/106:22 pmBOI - SAT
2 stops22h 06mMultiple Airlines
Deal found 9/15$262
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:32 amSAT - BOI
1 stop7h 04mHawaiian Airlines
Wed 11/1210:05 amBOI - SAT
1 stop6h 50mHawaiian Airlines
Deal found 9/15$276
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:32 amSAT - BOI
1 stop9h 40mAlaska Airlines
Tue 11/118:50 amBOI - SAT
1 stop8h 05mAlaska Airlines
Deal found 9/15$277
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:23 pmSAT - BOI
2 stops18h 25mMultiple Airlines
Sun 11/912:33 pmBOI - SAT
1 stop5h 57mMultiple Airlines
Deal found 9/15$281
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:25 pmSAT - BOI
2 stops25h 16mMultiple Airlines
Sun 11/912:33 pmBOI - SAT
1 stop5h 57mMultiple Airlines
Deal found 9/15$282
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:32 amSAT - BOI
1 stop9h 40mAlaska Airlines
Tue 11/118:50 amBOI - SAT
1 stop8h 05mAlaska Airlines
Deal found 9/15$284

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from San Antonio to Boise that are best for you.

Fly from

San Antonio

Fly to

Boise

Route

Depart

Return

Price

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 11/6

12:40 pm-8:16 pm

2 stops8h 36m

Boise Air Term. Gowen Fld

Mon 11/10

11:42 am-11:59 pm

2 stops11h 17m

$248

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 11/8

3:12 pm-11:48 am

1 stop21h 36m

Boise Air Term. Gowen Fld

Thu 11/13

12:33 pm-7:43 pm

1 stop6h 10m

$261

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 11/5

6:32 am-12:36 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

Wed 11/12

10:05 am-5:55 pm

1 stop6h 50m

$276

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 11/6

6:32 am-3:12 pm

1 stop9h 40m

Boise Air Term. Gowen Fld

Tue 11/11

8:50 am-5:55 pm

1 stop8h 05m

$284

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 11/6

5:14 am-12:29 pm

1 stop8h 15m

Boise Air Term. Gowen Fld

Tue 11/11

3:54 pm-11:59 pm

1 stop7h 05m

$284

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 11/6

6:32 am-3:12 pm

1 stop9h 40m

Boise Air Term. Gowen Fld

Mon 11/10

2:20 pm-12:05 am

1 stop8h 45m

$290

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 11/6

8:25 pm-12:35 am

1 stop5h 10m

Boise Air Term. Gowen Fld

Mon 11/10

1:40 pm-11:15 pm

2 stops8h 35m

$296

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 3/3

6:30 am-2:09 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Wed 3/4

5:45 pm-12:45 am

1 stop6h 00m

$297

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 2/18

11:43 am-8:52 pm

2 stops10h 09m

Boise Air Term. Gowen Fld

Mon 2/23

1:00 pm-11:12 pm

2 stops9h 12m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from San Antonio to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Boise

What is the cheapest month to book a flight from San Antonio to Boise?

Currently, October is the cheapest month in which you can book a flight from San Antonio to Boise (average of $314). Flying from San Antonio to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to BOI?

Find hourly flight availability from San Antonio to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s typically best to fly out from San Antonio to Boise at noon. Doing so could potentially save you 21% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from San Antonio to Boise?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Boise. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Antonio to Boise flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated September 16, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Boise?

    There are many flights that can get you from San Antonio to Boise in 7h 04m. Fly via Delta, Frontier, or Hawaiian Airlines to get the fastest option. The distance between San Antonio and Boise is about 1376 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Antonio to Boise round-trip?

    Cheapflights users have booked flights from San Antonio to Boise round-trip from $79. Other airlines that can offer you cheap pricing are Delta, from $204, and American Airlines, from $244. These flights start at 80% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Antonio to Boise that include hotel bookings?

    Yes. In addition to deals on San Antonio to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Boise.

  • Can I find deals for business class flights from San Antonio to Boise?

    Yes. Cheapflights offers flight deals from San Antonio to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Boise?

    Currently, October is the cheapest month in which you can book a flight from San Antonio to Boise (average of $314). Flying from San Antonio to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Boise

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Boise flights
Dallas/Fort Worth to Idaho Falls flights
Hobby to Jackson flights
Dallas/Fort Worth to Spokane flights
Dallas/Fort Worth to Jackson flights
George Bush Intcntl to Jackson flights
Hobby to Boise flights
George Bush Intcntl to Boise flights
Austin to Spokane flights
Austin to Jackson flights
Austin to Boise flights
Hobby to Spokane flights
Love Field to Boise flights
Dallas/Fort Worth to Hailey flights
Love Field to Spokane flights
George Bush Intcntl to Spokane flights
San Antonio to Spokane flights
Austin to Hailey flights
El Paso to Boise flights
San Antonio to Jackson flights
Hobby to Idaho Falls flights
George Bush Intcntl to Idaho Falls flights
Dallas/Fort Worth to Lewiston flights
Dallas/Fort Worth to West Yellowstone flights
Dallas/Fort Worth to Twin Falls flights
El Paso to Spokane flights
Midland to Boise flights
Love Field to Jackson flights
Amarillo to Idaho Falls flights
San Angelo to Boise flights
Hobby to Twin Falls flights
Midland to Spokane flights
San Antonio to Idaho Falls flights
Hobby to Pocatello flights
Killeen to Spokane flights
George Bush Intcntl to Twin Falls flights
McAllen to Spokane flights
Lubbock to Spokane flights
McAllen to West Yellowstone flights
Amarillo to Spokane flights
George Bush Intcntl to West Yellowstone flights
Austin to Idaho Falls flights
McAllen to Jackson flights
McAllen to Idaho Falls flights
Corpus Christi to Spokane flights
Corpus Christi to Jackson flights
Corpus Christi to Idaho Falls flights
Austin to Lewiston flights

Top 5 airlines flying from San Antonio to Boise

Discover the top 5 airlines that operate flights from San Antonio to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$204Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$426FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.