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$151+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAT
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(CheapOair)

One-way from

$151
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$328
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. 9% potential increase in price ($40 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 February 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 February 23, 2025.

This CheapOair deal was found by Cheapflights users on 2/22. 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.
Fri 4/41:31 pmBOI - SAT
1 stop5h 59mSpirit Airlines
Tue 4/89:35 pmSAT - BOI
1 stop17h 04mSpirit Airlines
Deal found 2/22$192
This Delta deal was found by Cheapflights users on 2/22. 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 4/15:59 pmBOI - SAT
1 stop5h 29mDelta
Tue 4/156:08 pmSAT - BOI
1 stop6h 51mDelta
Deal found 2/22$205
This Delta deal was found by Cheapflights users on 2/22. 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 4/255:00 amGEG - SAT
2 stops10h 13mDelta
Mon 4/283:30 pmSAT - GEG
2 stops10h 29mDelta
Deal found 2/22$276
This Mytrip deal was found by Cheapflights users on 2/21. 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.
Thu 4/39:30 amGEG - SAT
1 stop9h 00mMultiple Airlines
Sat 4/59:35 pmSAT - GEG
1 stop13h 10mMultiple Airlines
Deal found 2/21$296
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Thu 5/81:32 pmBOI - SAT
1 stop9h 25mAmerican Airlines
Sun 5/116:00 pmSAT - BOI
1 stop6h 35mAmerican Airlines
Deal found 2/22$305
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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.
Thu 4/178:36 pmGEG - SAT
1 stop7h 04mHawaiian Airlines
Sun 4/207:00 amSAT - GEG
1 stop7h 44mHawaiian Airlines
Deal found 2/22$341
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Fri 4/253:21 pmGEG - SAT
1 stop5h 50mAmerican Airlines
Mon 4/286:54 pmSAT - GEG
1 stop6h 05mAmerican Airlines
Deal found 2/22$342
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/211:31 pmBOI - SAT
1 stop5h 59mMultiple Airlines
Fri 3/287:00 amSAT - BOI
1 stop7h 52mMultiple Airlines
Deal found 2/21$350
This Delta deal was found by Cheapflights users on 2/21. 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 4/115:45 pmJAC - SAT
1 stop5h 35mDelta
Fri 4/1812:40 pmSAT - JAC
1 stop7h 18mDelta
Deal found 2/21$355
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 10/297:20 pmGEG - SAT
1 stop8h 18mAlaska Airlines
Sun 11/27:00 pmSAT - GEG
1 stop6h 59mAlaska Airlines
Deal found 2/22$391
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 7/245:57 pmIDA - SAT
1 stop4h 55mUnited Airlines
Wed 7/309:10 amSAT - IDA
1 stop5h 23mUnited Airlines
Deal found 2/21$393
This Delta deal was found by Cheapflights users on 2/21. 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 4/116:55 pmIDA - SAT
1 stop4h 25mDelta
Fri 4/182:12 pmSAT - IDA
2 stops9h 44mDelta
Deal found 2/21$402

Find flights from Idaho to San Antonio within your budget

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 February 23, 2025.

Fly from

Idaho

Fly to

San Antonio

Route

Depart

Return

Price

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 4/4

1:31 pm-8:30 pm

1 stop5h 59m

San Antonio

Tue 4/8

9:35 pm-1:39 pm

1 stop17h 04m

$192

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Tue 4/1

5:59 pm-12:28 am

1 stop5h 29m

San Antonio

Tue 4/15

6:08 pm-11:59 pm

1 stop6h 51m

$205

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Fri 4/25

5:00 am-5:13 pm

2 stops10h 13m

San Antonio

Mon 4/28

3:30 pm-11:59 pm

2 stops10h 29m

$276

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Thu 4/3

9:30 am-8:30 pm

1 stop9h 00m

San Antonio

Sat 4/5

9:35 pm-8:45 am

1 stop13h 10m

$296

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Thu 5/8

1:32 pm-11:57 pm

1 stop9h 25m

San Antonio

Sun 5/11

6:00 pm-11:35 pm

1 stop6h 35m

$305

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Thu 4/17

8:36 pm-5:40 am

1 stop7h 04m

San Antonio

Sun 4/20

7:00 am-12:44 pm

1 stop7h 44m

$341

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Fri 4/25

3:21 pm-11:11 pm

1 stop5h 50m

San Antonio

Mon 4/28

6:54 pm-10:59 pm

1 stop6h 05m

$342

BoiseSan Antonio

BOI - SAT

BOISAT

Boise Air Term. Gowen Fld

Fri 3/21

1:31 pm-8:30 pm

1 stop5h 59m

San Antonio

Fri 3/28

7:00 am-1:52 pm

1 stop7h 52m

$350

JacksonSan Antonio

JAC - SAT

JACSAT

Jackson Hole

Fri 4/11

5:45 pm-12:20 am

1 stop5h 35m

San Antonio

Fri 4/18

12:40 pm-6:58 pm

1 stop7h 18m

$355

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Thu 7/24

5:57 pm-11:52 pm

1 stop4h 55m

San Antonio

Wed 7/30

9:10 am-1:33 pm

1 stop5h 23m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 37 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.

Travel insights for flights from Idaho to San Antonio

Get recent, data-driven insights about flights from Idaho to San Antonio including ideal travel times, pricing trends, and more.

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 February 23, 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 February 23, 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
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $151 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $153 and Southwest from $169 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 Idaho Falls Fanning Field - 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

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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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$140Average$223FlexibilityNo cancel feeOn-time65%
DeltaCheapest$162Average$374FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$466FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$295Average$434FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$295Average$554FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$369Average$689FlexibilityNo cancel feeOn-time75%
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