San Antonio

$144+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Apr 20 — Apr 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to San Antonio 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 Boise Air Term. Gowen Fld to San Antonio are usually found in September or July, booked 52 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$195
(Mytrip)

One-way from

$144
(Delta)

Popular in

December

Cheapest in

September

Average price

$360
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Antonio flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Antonio flights.
From Boise Air Term. Gowen Fld to San Antonio
One-way flight from Boise Air Term. Gowen Fld to San Antonio
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:16 pmBOI - SAT
1 stop15h 48mSpirit Airlines
Thu 5/1510:51 pmSAT - BOI
1 stop13h 30mSpirit Airlines
Deal found 4/12$195
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:16 pmBOI - SAT
1 stop15h 48mMultiple Airlines
Mon 5/193:22 pmSAT - BOI
1 stop23h 15mMultiple Airlines
Deal found 4/12$233
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 5/51:38 pmBOI - SAT
1 stop8h 24mAmerican Airlines
Wed 5/76:00 pmSAT - BOI
1 stop6h 32mAmerican Airlines
Deal found 4/13$283
This Delta deal was found by Cheapflights users on 4/14. 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 5/95:40 pmBOI - SAT
1 stop5h 59mDelta
Tue 5/204:00 pmSAT - BOI
1 stop8h 28mDelta
Deal found 4/14$287
This Southwest deal was found by Cheapflights users on 4/13. 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.
Fri 5/305:05 amBOI - SAT
1 stop6h 50mSouthwest
Wed 6/48:55 amSAT - BOI
2 stops9h 45mSouthwest
Deal found 4/13$312
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:59 pmBOI - SAT
1 stop7h 11mAlaska Airlines
Mon 6/26:30 amSAT - BOI
1 stop9h 36mAlaska Airlines
Deal found 4/12$354
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 7/1210:42 amBOI - SAT
2 stops11h 17mUnited Airlines
Tue 7/155:30 amSAT - BOI
2 stops12h 10mUnited Airlines
Deal found 4/13$397
This Hawaiian Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 4/2510:09 amBOI - SAT
1 stop7h 28mHawaiian Airlines
Mon 4/286:35 amSAT - BOI
1 stop8h 12mHawaiian Airlines
Deal found 4/14$624

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 April 15, 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

Fri 5/9

12:16 pm-5:04 am

1 stop15h 48m

San Antonio

Thu 5/15

10:51 pm-11:21 am

1 stop13h 30m

$195

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 5/12

12:16 pm-5:04 am

1 stop15h 48m

San Antonio

Mon 5/19

3:22 pm-1:37 pm

1 stop23h 15m

$233

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Mon 5/5

1:38 pm-11:02 pm

1 stop8h 24m

San Antonio

Wed 5/7

6:00 pm-11:32 pm

1 stop6h 32m

$283

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 5/9

1:18 pm-12:28 am

1 stop10h 10m

San Antonio

Tue 5/20

7:45 am-11:54 am

1 stop5h 09m

$287

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 5/30

5:05 am-12:55 pm

1 stop6h 50m

San Antonio

Wed 6/4

8:55 am-5:40 pm

2 stops9h 45m

$312

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 5/29

8:59 pm-5:10 am

1 stop7h 11m

San Antonio

Mon 6/2

6:30 am-3:06 pm

1 stop9h 36m

$354

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 7/12

10:42 am-10:59 pm

2 stops11h 17m

San Antonio

Tue 7/15

5:30 am-4:40 pm

2 stops12h 10m

$397

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 4/25

10:09 am-6:37 pm

1 stop7h 28m

San Antonio

Mon 4/28

6:35 am-1:47 pm

1 stop8h 12m

$624

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 5/27

5:40 pm-12:39 am

1 stop5h 59m

$144

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sun 6/29

7:15 pm-11:45 am

2 stops15h 30m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 12 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Antonio flight deals on Cheapflights vs. FlightHub >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 April 11, 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 52 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 April 15, 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 April 15, 2025.

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 $195. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $283 and $287, respectively. You may be able to fly from Boise to San Antonio for 46% less than the average price by searching for these airlines.

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

    $144 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $189 and $371, 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

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 Boise to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$151Average$219FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$268Average$393FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$346FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$272Average$456FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$282Average$446FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$354Average$548FlexibilityNo cancel feeOn-time75%

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.