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$111+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:03 pm
BOI
-
SAT
1 stop11h 16m
Frontier
Sat 4/183:34 pm
SAT
-
BOI
1 stop20h 34m
Frontier
Deal found 1/25$226
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 4/298:00 am
BOI
-
SAT
1 stop4h 38m
Delta
Sat 5/26:39 am
SAT
-
BOI
1 stop8h 47m
Delta
Deal found 1/27$237
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 4/75:00 am
BOI
-
SAT
2 stops9h 46m
United Airlines
Tue 4/148:45 am
SAT
-
BOI
1 stop5h 46m
United Airlines
Deal found 1/26$242
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 2/181:43 pm
BOI
-
SAT
1 stop9h 52m
Delta
Sat 2/215:30 am
SAT
-
BOI
1 stop8h 01m
Delta
Deal found 1/25$288
This Delta deal was found by Cheapflights users on 1/25. 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.
Tue 2/246:35 pm
BOI
-
SAT
1 stop5h 06m
Delta
Fri 2/274:42 pm
SAT
-
BOI
1 stop7h 03m
Delta
Deal found 1/25$305
This Delta deal was found by Cheapflights users on 1/27. 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.
Sat 3/77:30 am
BOI
-
SAT
2 stops12h 58m
Delta
Tue 3/107:35 am
SAT
-
BOI
2 stops9h 25m
Delta
Deal found 1/27$324
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 4/297:11 am
BOI
-
SAT
2 stops11h 37m
United Airlines
Sat 5/29:50 am
SAT
-
BOI
2 stops13h 26m
United Airlines
Deal found 1/26$328
This Delta deal was found by Cheapflights users on 1/26. 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.
Sat 5/22:18 pm
BOI
-
SAT
1 stop9h 12m
Delta
Thu 5/285:30 am
SAT
-
BOI
1 stop8h 06m
Delta
Deal found 1/26$332
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:39 pm
BOI
-
SAT
1 stop8h 15m
American Airlines
Sat 2/215:00 am
SAT
-
BOI
2 stops8h 12m
American Airlines
Deal found 1/25$337

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(CheapOair)

One-way from

$111
(Orbitz)

Popular in

June

Cheapest in

August

Average price

$326
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Antonio flights.
Search Deals
From Boise Air Term. Gowen Fld to San Antonio
Search Deals
One-way flight from Boise Air Term. Gowen Fld to San Antonio
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Sun 4/12

12:03 pm-12:19 am

1 stop11h 16m

San Antonio

Sat 4/18

3:34 pm-11:08 am

1 stop20h 34m

$226

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Sat 3/7

12:59 pm-9:28 pm

1 stop7h 29m

San Antonio

Tue 3/10

6:32 am-2:04 pm

1 stop8h 32m

$237

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 2/18

1:43 pm-12:35 am

1 stop9h 52m

San Antonio

Sat 2/21

5:30 am-12:31 pm

1 stop8h 01m

$237

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/7

2:37 pm-10:59 pm

2 stops7h 22m

San Antonio

Tue 4/14

7:40 am-4:48 pm

2 stops10h 08m

$248

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 2/24

6:35 pm-12:41 am

1 stop5h 06m

San Antonio

Fri 2/27

4:42 pm-10:45 pm

1 stop7h 03m

$305

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/12

12:15 pm-9:06 am

1 stop19h 51m

San Antonio

Sun 3/22

6:45 am-11:20 am

1 stop5h 35m

$361

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/12

12:15 pm-9:06 am

1 stop19h 51m

San Antonio

Sat 3/21

10:05 am-11:20 am

1 stop26h 15m

$361

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/19

12:15 pm-12:17 am

1 stop11h 02m

$125

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 3/12

12:15 pm-9:06 am

1 stop19h 51m

$127

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 4/16

11:53 am-2:19 pm

1 stop25h 26m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 16 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 FlightHub the most. FlightHub 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 January 23, 2026.

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 $114). Flying from Boise to San Antonio in August is currently the most expensive (average of $244). 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.

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 January 27, 2026.
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
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,118 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,205 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 United Airlines can get you from Boise to San Antonio in just under 7h 22m. Your travel time can differ by up to 3h 54m. 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 Delta is currently your cheapest option to San Antonio, with prices starting at $131. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $208 and $230, respectively. You may be able to fly from Boise to San Antonio for 64% less than the average price by searching for these airlines.

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

    $96 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $102 and $109, 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, March is the cheapest month in which you can book a flight from Boise to San Antonio (average of $114). Flying from Boise to San Antonio in August is currently the most expensive (average of $244). 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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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 4 airlines flying from Boise to San Antonio

Discover the top 4 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$352FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$230Average$388FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$259Average$334FlexibilityNo cancel feeOn-time71%

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