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San Antonio

$78+ Cheap flights from Idaho to San Antonio (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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Idaho to San Antonio

Keep the following information in mind while searching for Idaho to San Antonio flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(Mytrip)

One-way from

$78
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$387
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 Idaho to San Antonio
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One-way flight from Idaho to San Antonio
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Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Idaho to San Antonio

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

This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:52 pmBOI - SAT
2 stops34h 18mSpirit Airlines
Tue 4/296:31 pmSAT - BOI
1 stop19h 26mSpirit Airlines
Deal found 3/27$185
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:52 pmBOI - SAT
2 stops34h 18mMultiple Airlines
Mon 4/285:39 amSAT - BOI
2 stops10h 57mMultiple Airlines
Deal found 3/27$237
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:18 pmBOI - SAT
1 stop4h 53mAmerican Airlines
Sat 5/35:00 amSAT - BOI
1 stop8h 33mAmerican Airlines
Deal found 3/26$254
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 5/153:39 pmBOI - SAT
1 stop7h 03mDelta
Wed 5/214:00 pmSAT - BOI
1 stop8h 28mDelta
Deal found 3/27$257
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/293:00 pmBOI - SAT
2 stops7h 35mSouthwest
Sat 5/37:40 amSAT - BOI
2 stops9h 30mSouthwest
Deal found 3/26$264
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/82:41 pmBOI - SAT
1 stop8h 18mAlaska Airlines
Wed 5/146:35 amSAT - BOI
1 stop8h 12mAlaska Airlines
Deal found 3/27$296
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/165:34 amGEG - SAT
1 stop9h 14mAmerican Airlines
Sun 4/208:55 amSAT - GEG
1 stop6h 43mAmerican Airlines
Deal found 3/26$299
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/54:10 pmGEG - SAT
1 stop5h 36mUnited Airlines
Sat 5/104:53 pmSAT - GEG
1 stop6h 02mUnited Airlines
Deal found 3/26$307
This Delta deal was found by Cheapflights users on 3/25. 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 5/216:10 amGEG - SAT
2 stops9h 06mDelta
Wed 5/286:00 amSAT - GEG
1 stop9h 56mDelta
Deal found 3/25$310
This Delta deal was found by Cheapflights users on 3/28. 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 5/247:30 amSUN - SAT
1 stop5h 15mDelta
Tue 6/37:45 amSAT - SUN
1 stop5h 12mDelta
Deal found 3/28$317
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/185:48 pmGEG - SAT
1 stop9h 52mAlaska Airlines
Sun 4/207:00 amSAT - GEG
1 stop7h 44mAlaska Airlines
Deal found 3/27$326
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/209:40 amBOI - SAT
1 stop7h 42mHawaiian Airlines
Sun 4/276:35 amSAT - BOI
1 stop6h 41mHawaiian Airlines
Deal found 3/27$354

Cheapflights Fare Finder

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

Fly from

Idaho

Fly to

San Antonio

Route

Depart

Return

Price

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/23

1:52 pm-1:10 am

2 stops34h 18m

San Antonio

Tue 4/29

6:31 pm-12:57 pm

1 stop19h 26m

$185

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Wed 4/23

1:52 pm-1:10 am

2 stops34h 18m

San Antonio

Mon 4/28

5:39 am-3:36 pm

2 stops10h 57m

$237

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/29

5:18 pm-11:11 pm

1 stop4h 53m

San Antonio

Sat 5/3

5:00 am-12:33 pm

1 stop8h 33m

$254

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 5/15

3:39 pm-11:42 pm

1 stop7h 03m

San Antonio

Wed 5/21

4:00 pm-11:28 pm

1 stop8h 28m

$257

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/29

3:00 pm-11:35 pm

2 stops7h 35m

San Antonio

Sat 5/3

7:40 am-4:10 pm

2 stops9h 30m

$264

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 5/8

2:41 pm-11:59 pm

1 stop8h 18m

San Antonio

Wed 5/14

6:35 am-1:47 pm

1 stop8h 12m

$296

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Wed 4/16

5:34 am-4:48 pm

1 stop9h 14m

San Antonio

Sun 4/20

8:55 am-1:38 pm

1 stop6h 43m

$299

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Mon 5/5

4:10 pm-11:46 pm

1 stop5h 36m

San Antonio

Sat 5/10

4:53 pm-8:55 pm

1 stop6h 02m

$307

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Wed 5/21

6:10 am-5:16 pm

2 stops9h 06m

San Antonio

Wed 5/28

6:00 am-1:56 pm

1 stop9h 56m

$310

HaileySan Antonio

SUN - SAT

SUNSAT

Hailey Sun Valley-Friedman

Sat 5/24

7:30 am-1:45 pm

1 stop5h 15m

San Antonio

Tue 6/3

7:45 am-11:57 am

1 stop5h 12m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 39 results
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Best time to book a flight from Idaho to San Antonio

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

What is the cheapest month to book a flight from Idaho to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Idaho to San Antonio (average of $295). Flying from Idaho 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 ID to SAT?

Find hourly flight availability from Idaho 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 March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San Antonio as you normally would.

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 March 28, 2025.
Read through reviews of airlines operating flights from Idaho to San Antonio, such as Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 airport do you fly into for flights to San Antonio from Idaho?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Idaho. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

    One-way options have recently been found by users for as low as $78 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $128 and Hawaiian Airlines from $153 one-way.

  • What are the most popular routes from Idaho to San Antonio?

    When deciding which route to take from Idaho to San Antonio consider Spokane - San Antonio, Boise Air Term. Gowen Fld - San Antonio or Jackson Hole - San Antonio as they are the most popular.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho to San Antonio (average of $295). Flying from Idaho 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
New Braunfels

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Alternative routes for Idaho 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 Idaho to San Antonio

Discover the top 6 airlines that operate flights from Idaho 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$151Average$222FlexibilityNo cancel feeOn-time65%
DeltaCheapest$162Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$574FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$456FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$354Average$548FlexibilityNo cancel feeOn-time75%
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