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$85+ Cheap flights from Boise to San Antonio (BOI - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Antonio are usually found in August or September, booked 17 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Boise to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to San Antonio (SAT). 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$253
(Kiwi.com)

One-way from

$85
(Frontier)

Popular in

December

Cheapest in

August

Average price

$386
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Antonio flights.
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From Boise Air Term. Gowen Fld to San Antonio
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One-way flight from Boise Air Term. Gowen Fld to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Boise to San Antonio

Cheapest flights from Boise to San Antonio
Explore the most affordable flight options available from Boise to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
sáb. 12/2012:54 pmBOI - SAT
1 stop10h 23mFrontier
sáb. 1/31:33 pmSAT - BOI
1 stop23h 10mFrontier
Deal found 10/27$253
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3012:33 pmBOI - SAT
1 stop6h 15mFrontier
sáb. 11/13:12 pmSAT - BOI
1 stop22h 36mFrontier
Deal found 10/27$295
This Delta deal was found by Cheapflights users on 10/27. 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.
mié. 12/35:50 amBOI - SAT
1 stop6h 57mDelta
mié. 12/36:00 pmSAT - BOI
1 stop7h 42mDelta
Deal found 10/27$297
This Delta deal was found by Cheapflights users on 10/25. 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.
mié. 12/107:30 amBOI - SAT
2 stops8h 40mDelta
lun. 12/156:00 amSAT - BOI
2 stops11h 02mDelta
Deal found 10/25$304
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
sáb. 12/2012:54 pmBOI - SAT
2 stops15h 41mMultiple Airlines
sáb. 1/31:33 pmSAT - BOI
1 stop23h 10mMultiple Airlines
Deal found 10/27$307
This Delta deal was found by Cheapflights users on 10/27. 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.
jue. 12/411:44 amBOI - SAT
2 stops11h 05mDelta
lun. 12/87:05 amSAT - BOI
2 stops9h 57mDelta
Deal found 10/27$314
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
mié. 12/1010:00 amBOI - SAT
1 stop6h 59mAlaska Airlines
lun. 12/156:00 amSAT - BOI
1 stop7h 45mAlaska Airlines
Deal found 10/25$319
This Southwest deal was found by Cheapflights users on 10/27. 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.
mié. 12/37:50 amBOI - SAT
1 stop5h 00mSouthwest
mié. 12/34:45 pmSAT - BOI
2 stops7h 25mSouthwest
Deal found 10/27$325
This Southwest deal was found by Cheapflights users on 10/27. 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.
mié. 12/175:15 amBOI - SAT
1 stop5h 00mSouthwest
vie. 12/199:00 pmSAT - BOI
1 stop5h 25mSouthwest
Deal found 10/27$334
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
jue. 12/41:25 pmBOI - SAT
1 stop9h 33mAlaska Airlines
lun. 12/86:55 pmSAT - BOI
1 stop16h 39mAlaska Airlines
Deal found 10/27$342

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to San Antonio 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 octubre 28, 2025.
Use the filters below to find and compare flights from Boise to San Antonio that are best for you.

Fly from

Boise

Fly to

San Antonio

Route

Depart

Return

Price

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

sáb. 12/20

12:54 pm-12:17 am

1 stop10h 23m

San Antonio

sáb. 1/3

1:33 pm-11:43 am

1 stop23h 10m

$253

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/7

7:30 am-5:25 pm

2 stops8h 55m

San Antonio

sáb. 1/10

7:00 am-4:22 pm

2 stops10h 22m

$294

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/7

11:20 am-5:00 pm

1 stop4h 40m

San Antonio

sáb. 1/10

5:45 am-10:00 am

1 stop5h 15m

$297

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 12/3

5:50 am-1:47 pm

1 stop6h 57m

San Antonio

mié. 12/3

6:00 pm-12:42 am

1 stop7h 42m

$297

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 1/7

10:48 am-9:21 pm

2 stops9h 33m

San Antonio

sáb. 1/10

1:20 pm-7:45 pm

1 stop7h 25m

$302

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 12/10

7:30 am-5:10 pm

2 stops8h 40m

San Antonio

lun. 12/15

6:00 am-4:02 pm

2 stops11h 02m

$304

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

jue. 12/4

11:44 am-11:49 pm

2 stops11h 05m

San Antonio

lun. 12/8

7:05 am-4:02 pm

2 stops9h 57m

$314

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 12/10

10:00 am-5:59 pm

1 stop6h 59m

San Antonio

lun. 12/15

6:00 am-12:45 pm

1 stop7h 45m

$319

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 12/3

7:50 am-1:50 pm

1 stop5h 00m

San Antonio

mié. 12/3

4:45 pm-11:10 pm

2 stops7h 25m

$325

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

mié. 12/17

5:15 am-11:15 am

1 stop5h 00m

San Antonio

vie. 12/19

12:30 pm-8:05 pm

1 stop8h 35m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 results
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2
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Compare providers for flights from Boise to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San Antonio in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Boise 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 Boise to San Antonio

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to San Antonio. Price data was last updated on October 24, 2025.

The price you pay for your flight from Boise to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 17 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 Boise to San Antonio?

Currently, March is the cheapest month in which you can book a flight from Boise to San Antonio (average of $116). Flying from Boise to San Antonio in December is currently the most expensive (average of $249). 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 BOI to SAT?

Find hourly flight availability from Boise to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from Boise to San Antonio by exploring options for tickets in the evening.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated octubre 28, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Boise to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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
8,116 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

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 Boise to San Antonio. 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 Boise to San Antonio?

    Frontier, Delta, and Southwest can get you from Boise to San Antonio in just under 4h 40m. Your travel time can differ by up to 5h 43m. Boise and San Antonio are separated by a distance of 1376 mi. This flight may include one or multiple stops.

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

    Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at $110. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $226 and $244, respectively. You may be able to fly from Boise to San Antonio for 70% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to San Antonio 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 Boise to San Antonio?

    Currently, March is the cheapest month in which you can book a flight from Boise to San Antonio (average of $116). Flying from Boise to San Antonio in December is currently the most expensive (average of $249). 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
New Braunfels
Kerrville

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Top 5 airlines flying from Boise to San Antonio

Discover the top 5 airlines that operate flights from Boise to San Antonio. 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$216FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$226Average$472FlexibilityNo cancel feeOn-time69%
DeltaCheapest$244Average$329FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$248Average$451FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$261Average$458FlexibilityNo cancel feeOn-time71%

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