HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$189+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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.

Cheapflights Tip: The best prices from San Antonio to Boise Air Term. Gowen Fld are usually found in January or February, booked 73 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 July 1, 2025.

Round-trip from

$189
(Priceline)

Popular in

March

Cheapest in

January

Average price

$386
From San Antonio to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 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 July 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 July 1, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:36 pmSAT - BOI
1 stop8h 45mMultiple Airlines
Thu 9/2512:25 pmBOI - SAT
1 stop5h 50mMultiple Airlines
Deal found 7/1$198
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:32 pmSAT - BOI
1 stop23h 49mSpirit Airlines
Mon 10/69:16 pmBOI - SAT
1 stop22h 21mSpirit Airlines
Deal found 6/30$233
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:00 pmSAT - BOI
2 stops8h 05mSouthwest
Thu 9/251:10 pmBOI - SAT
1 stop8h 15mSouthwest
Deal found 7/1$250
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 8/154:00 pmSAT - BOI
1 stop7h 57mDelta
Fri 8/2211:39 pmBOI - SAT
1 stop10h 21mDelta
Deal found 6/30$325
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:07 amSAT - BOI
1 stop7h 34mAmerican Airlines
Wed 8/61:50 pmBOI - SAT
2 stops8h 09mAmerican Airlines
Deal found 6/29$331
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 9/223:04 pmSAT - BOI
2 stops9h 55mAlaska Airlines
Thu 9/259:00 amBOI - SAT
2 stops12h 07mAlaska Airlines
Deal found 7/1$355
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:30 pmSAT - BOI
1 stop6h 04mUnited Airlines
Sun 8/35:42 pmBOI - SAT
1 stop5h 17mUnited Airlines
Deal found 6/30$407
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 7/97:00 amSAT - BOI
1 stop9h 04mHawaiian Airlines
Tue 7/157:12 pmBOI - SAT
1 stop9h 28mHawaiian Airlines
Deal found 6/30$591

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 July 1, 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

Mon 9/22

12:36 pm-8:21 pm

1 stop8h 45m

Boise Air Term. Gowen Fld

Fri 9/26

12:25 pm-7:15 pm

1 stop5h 50m

$189

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 10/2

9:32 pm-8:21 pm

1 stop23h 49m

Boise Air Term. Gowen Fld

Mon 10/6

9:16 pm-8:37 pm

1 stop22h 21m

$233

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Mon 9/22

5:00 pm-12:05 am

2 stops8h 05m

Boise Air Term. Gowen Fld

Thu 9/25

1:10 pm-10:25 pm

1 stop8h 15m

$250

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 8/15

4:00 pm-10:57 pm

1 stop7h 57m

Boise Air Term. Gowen Fld

Fri 8/22

11:39 pm-11:00 am

1 stop10h 21m

$325

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 7/22

5:00 am-10:54 am

1 stop6h 54m

Boise Air Term. Gowen Fld

Tue 7/29

3:35 pm-11:58 pm

1 stop7h 23m

$348

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Mon 9/22

3:04 pm-11:59 pm

2 stops9h 55m

Boise Air Term. Gowen Fld

Thu 9/25

9:00 am-10:07 pm

2 stops12h 07m

$355

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 8/1

4:30 pm-9:34 pm

1 stop6h 04m

Boise Air Term. Gowen Fld

Sun 8/3

5:42 pm-11:59 pm

1 stop5h 17m

$407

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 7/15

3:06 pm-11:58 pm

1 stop9h 52m

$206

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 7/22

7:00 am-1:58 pm

1 stop7h 58m

$216

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 7/23

6:07 pm-11:59 pm

1 stop6h 52m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 results
1
2

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

How far ahead should I book a flight from San Antonio to Boise?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Boise. Price data was last updated on June 27, 2025.

The price you pay for your flight from San Antonio to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 1, 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 July 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $233. Other airlines that can offer you cheap pricing are Southwest, from $250, and Delta, from $325. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Antonio to Boise one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $216. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from San Antonio to Boise for a low price.

  • 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 San Antonio?

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

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 Spokane flights
Dallas/Fort Worth to Jackson flights
Dallas/Fort Worth to Boise flights
Hobby to Jackson flights
Hobby to Spokane flights
George Bush Intcntl to Jackson flights
Austin to Boise flights
Austin to Spokane flights
Love Field to Spokane flights
Dallas/Fort Worth to Idaho Falls flights
Hobby to Boise flights
Austin to Jackson flights
George Bush Intcntl to Spokane flights
George Bush Intcntl to Boise flights
Dallas/Fort Worth to West Yellowstone flights
Hobby to Idaho Falls flights
San Antonio to Spokane flights
Love Field to Boise flights
Austin to Hailey flights
Love Field to Jackson flights
San Antonio to Jackson flights
George Bush Intcntl to Idaho Falls flights
Lubbock to Boise flights
Dallas/Fort Worth to Twin Falls flights
Hobby to West Yellowstone flights
McAllen to Spokane flights
Dallas/Fort Worth to Lewiston flights
Austin to Idaho Falls flights
Harlingen to Spokane flights
Hobby to Twin Falls flights
San Antonio to Idaho Falls flights
El Paso to Boise flights
Brownsville to Spokane flights
Amarillo to Spokane flights
Corpus Christi to Jackson flights
Hobby to Pocatello flights
George Bush Intcntl to Pocatello flights
George Bush Intcntl to Twin Falls flights
El Paso to Spokane flights
Dallas/Fort Worth to Hailey flights
Corpus Christi to Spokane flights
Love Field to Idaho Falls flights
McAllen to Jackson flights
Midland to Spokane flights
Midland to Boise flights
Tyler to Spokane flights
Dallas/Fort Worth to Pocatello flights
Texarkana to Spokane 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$116Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$432FlexibilityNo 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.