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$132+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 September or August, booked 57 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 June 12, 2025.

Round-trip from

$229
(CheapOair)

One-way from

$132
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$522
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
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Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:48 pmBOI - SAT
1 stop21h 48mSpirit Airlines
Thu 8/77:52 pmSAT - BOI
1 stop24h 00mSpirit Airlines
Deal found 6/12$229
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/117:12 pmBOI - SAT
1 stop9h 28mHawaiian Airlines
Tue 8/127:00 amSAT - BOI
1 stop9h 04mHawaiian Airlines
Deal found 6/10$239
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/227:30 amBOI - SAT
1 stop14h 21mAmerican Airlines
Tue 10/286:00 amSAT - BOI
1 stop7h 44mAmerican Airlines
Deal found 6/10$243
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 8/46:00 pmBOI - SAT
1 stop5h 35mDelta
Thu 8/76:07 pmSAT - BOI
1 stop6h 52mDelta
Deal found 6/11$245
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 11/16:29 amBOI - SAT
1 stop10h 02mAlaska Airlines
Mon 11/36:32 amSAT - BOI
1 stop9h 35mAlaska Airlines
Deal found 6/10$253
This Southwest deal was found by Cheapflights users on 6/10. 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 8/1112:05 pmBOI - SAT
1 stop10h 45mSouthwest
Tue 8/122:50 pmSAT - BOI
2 stops8h 35mSouthwest
Deal found 6/10$256
This Orbitz deal was found by Cheapflights users on 6/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:36 pmBOI - SAT
1 stop5h 38mMultiple Airlines
Sun 6/2910:57 pmSAT - BOI
1 stop10h 51mMultiple Airlines
Deal found 6/9$319
This FlightHub deal was found by Cheapflights users on 6/9. 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 6/2612:36 pmBOI - SAT
1 stop5h 38mFrontier
Sat 6/286:59 pmSAT - BOI
1 stop17h 48mFrontier
Deal found 6/9$400
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/117:15 pmBOI - SAT
3 stops12h 35mUnited Airlines
Tue 8/122:15 pmSAT - BOI
2 stops10h 20mUnited Airlines
Deal found 6/10$420

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 June 12, 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

Mon 8/4

7:48 pm-6:36 pm

1 stop21h 48m

San Antonio

Thu 8/7

7:52 pm-6:52 pm

1 stop24h 00m

$229

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 8/11

7:12 pm-5:40 am

1 stop9h 28m

San Antonio

Tue 8/12

7:00 am-3:04 pm

1 stop9h 04m

$239

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 9/10

6:59 am-6:42 pm

1 stop10h 43m

San Antonio

Mon 9/15

6:59 pm-11:35 pm

1 stop5h 36m

$243

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 8/4

6:00 pm-12:35 am

1 stop5h 35m

San Antonio

Thu 8/7

6:07 pm-11:59 pm

1 stop6h 52m

$245

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 11/1

6:29 am-5:31 pm

1 stop10h 02m

San Antonio

Mon 11/3

6:32 am-3:07 pm

1 stop9h 35m

$253

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 8/11

12:05 pm-11:50 pm

1 stop10h 45m

San Antonio

Tue 8/12

2:50 pm-10:25 pm

2 stops8h 35m

$256

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 6/26

12:36 pm-7:14 pm

1 stop5h 38m

San Antonio

Sun 6/29

10:57 pm-8:48 am

1 stop10h 51m

$319

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 6/26

12:36 pm-7:14 pm

1 stop5h 38m

San Antonio

Sat 6/28

6:59 pm-11:47 am

1 stop17h 48m

$400

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 8/11

7:15 pm-8:50 am

3 stops12h 35m

San Antonio

Tue 8/12

2:15 pm-11:35 pm

2 stops10h 20m

$420

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 10/11

7:30 am-4:41 pm

1 stop8h 11m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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 June 9, 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 57 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, August is the cheapest month in which you can book a flight from Boise to San Antonio (average of $295). Flying from Boise to San Antonio in March is currently the most expensive (average of $376). 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 June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Boise to San Antonio by exploring options for tickets in the evening.

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

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

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

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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 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.

  • 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 $229. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at $239 and $245, respectively. You may be able to fly from Boise to San Antonio for 38% less than the average price by searching for these airlines.

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

    $132 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $166 and $188, respectively.

  • 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, August is the cheapest month in which you can book a flight from Boise to San Antonio (average of $295). Flying from Boise to San Antonio in March is currently the most expensive (average of $376). 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
New Braunfels

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Alternative routes for Boise to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Boise to San Antonio

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$216FlexibilityNo cancel feeOn-time65%
DeltaCheapest$253Average$333FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$272Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$282Average$453FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$354Average$548FlexibilityNo cancel feeOn-time75%

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