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$141+ Cheap flights from San Antonio to Boise (SAT - BOI)

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$294
(FlightHub)

One-way from

$141
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$340
From San Antonio to Boise Air Term. Gowen Fld
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One-way flight from San Antonio to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 14% potential increase in price ($69 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 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 June 12, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:59 pmSAT - BOI
1 stop17h 47mMultiple Airlines
Mon 7/217:48 pmBOI - SAT
1 stop21h 48mMultiple Airlines
Deal found 6/11$294
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:43 pmSAT - BOI
1 stop7h 04mUnited Airlines
Wed 7/165:42 pmBOI - SAT
1 stop5h 17mUnited Airlines
Deal found 6/12$305
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/26:00 amSAT - BOI
1 stop6h 09mDelta
Tue 8/56:00 pmBOI - SAT
1 stop5h 35mDelta
Deal found 6/9$308
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.
Wed 7/97:00 amSAT - BOI
1 stop9h 04mAlaska Airlines
Tue 7/154:50 pmBOI - SAT
1 stop11h 50mAlaska Airlines
Deal found 6/10$346
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:20 amSAT - BOI
2 stops8h 40mSouthwest
Tue 8/512:45 pmBOI - SAT
1 stop9h 05mSouthwest
Deal found 6/9$347
This Hawaiian Airlines 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 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 6/11$358
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:55 pmSAT - BOI
1 stop5h 38mAmerican Airlines
Tue 7/293:35 pmBOI - SAT
1 stop7h 23mAmerican Airlines
Deal found 6/11$359

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 June 12, 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

Sat 7/12

6:59 pm-11:46 am

1 stop17h 47m

Boise Air Term. Gowen Fld

Mon 7/21

7:48 pm-6:36 pm

1 stop21h 48m

$294

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 7/4

1:43 pm-7:47 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

Wed 7/16

5:42 pm-11:59 pm

1 stop5h 17m

$305

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 8/2

6:00 am-11:09 am

1 stop6h 09m

Boise Air Term. Gowen Fld

Tue 8/5

6:00 pm-12:35 am

1 stop5h 35m

$308

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 7/9

7:00 am-3:04 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Tue 7/15

4:50 pm-5:40 am

1 stop11h 50m

$346

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 8/2

5:20 am-1:00 pm

2 stops8h 40m

Boise Air Term. Gowen Fld

Tue 8/5

12:45 pm-10:50 pm

1 stop9h 05m

$347

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 7/9

7:00 am-3:04 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Tue 7/15

7:12 pm-5:40 am

1 stop9h 28m

$358

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 7/26

6:55 pm-11:33 pm

1 stop5h 38m

Boise Air Term. Gowen Fld

Tue 7/29

3:35 pm-11:58 pm

1 stop7h 23m

$359

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 6/21

6:59 pm-11:47 am

1 stop17h 48m

$141

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 7/3

10:57 pm-8:48 am

1 stop10h 51m

$170

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 7/19

6:55 pm-11:33 pm

1 stop5h 38m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 results
1
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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 9, 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 $395). 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 June 12, 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.

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

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 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 $305. Other airlines that can offer you cheap pricing are Delta, from $308, and Alaska Airlines, from $346. These flights start at 22% 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 Frontier, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from Spirit Airlines and American 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 $395). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$127Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$427FlexibilityNo cancel feeOn-time69%

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