Idaho

$140+ Cheap flights from San Antonio (SAT) to Idaho

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jan 17 — Jan 241
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Cheap flight deals from San Antonio to Idaho

Cheapest flights from San Antonio to Idaho
Explore the most affordable flight options available from San Antonio to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/258:45 amSAT - GEG
1 stop6h 00mUnited Airlines
Wed 12/315:05 amGEG - SAT
1 stop6h 07mUnited Airlines
Deal found 12/17$315
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:45 amSAT - BOI
1 stop6h 14mFrontier
Thu 1/112:38 pmBOI - SAT
1 stop10h 39mFrontier
Deal found 12/15$388
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:10 amSAT - BOI
1 stop10h 54mMultiple Airlines
Sun 1/412:38 pmBOI - SAT
1 stop21h 43mMultiple Airlines
Deal found 12/17$392
This Delta deal was found by Cheapflights users on 12/16. 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 12/236:40 amSAT - JAC
1 stop6h 15mDelta
Sat 12/275:45 pmJAC - SAT
1 stop5h 57mDelta
Deal found 12/16$399
This Southwest deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:10 amSAT - BOI
1 stop6h 15mSouthwest
Sat 1/38:40 pmBOI - SAT
1 stop12h 00mSouthwest
Deal found 12/16$406
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/258:29 amSAT - GEG
1 stop7h 07mAmerican Airlines
Tue 1/136:00 amGEG - SAT
1 stop8h 45mAmerican Airlines
Deal found 12/16$408
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/258:45 amSAT - GEG
1 stop6h 00mUnited Airlines
Tue 1/1311:25 amGEG - SAT
1 stop9h 48mUnited Airlines
Deal found 12/17$417
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:09 pmSAT - GEG
2 stops27h 44mFrontier
Sun 1/412:02 pmGEG - SAT
1 stop21h 19mFrontier
Deal found 12/16$440
This Expedia deal was found by Cheapflights users on 12/16. 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.
Tue 12/303:00 pmSAT - BOI
1 stop8h 02mMultiple Airlines
Sun 1/412:38 pmBOI - SAT
1 stop10h 39mMultiple Airlines
Deal found 12/16$441
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:40 amSAT - BOI
1 stop6h 22mDelta
Fri 1/91:41 pmBOI - SAT
1 stop8h 42mDelta
Deal found 12/16$448
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/318:45 amSAT - GEG
1 stop8h 34mUnited Airlines
Sun 1/41:47 pmGEG - SAT
1 stop8h 00mUnited Airlines
Deal found 12/16$474
This Delta deal was found by Cheapflights users on 12/16. 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 12/246:00 amSAT - BOI
1 stop9h 18mDelta
Fri 1/22:08 pmBOI - SAT
1 stop8h 27mDelta
Deal found 12/16$487

Find flight deals from San Antonio to Idaho

Keep the following information in mind while searching for San Antonio to Idaho flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$257
(United Airlines)

One-way from

$140
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$470
Provider with most accurate pricing for San Antonio-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San Antonio-Boise Air Term. Gowen Fld flights.
From San Antonio to Idaho
One-way flight from San Antonio to Idaho
Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Idaho 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 December 18, 2025.
Use the filters below to find and compare flights from San Antonio to Idaho that are best for you.

Fly from

San Antonio

Fly to

Idaho

Route

Depart

Return

Price

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Thu 1/8

1:03 pm-7:06 pm

1 stop7h 03m

Jackson Hole

Mon 1/12

3:52 pm-11:43 pm

1 stop6h 51m

$257

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Fri 3/13

7:35 am-3:17 pm

1 stop8h 42m

Jackson Hole

Mon 3/16

5:50 pm-12:13 am

1 stop5h 23m

$257

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Sat 4/18

6:30 am-4:28 pm

2 stops10h 58m

Jackson Hole

Tue 4/21

5:30 pm-12:44 am

1 stop6h 14m

$262

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Fri 3/13

7:35 am-3:17 pm

1 stop8h 42m

Jackson Hole

Wed 3/18

1:10 pm-11:30 pm

2 stops9h 20m

$262

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Thu 2/19

7:00 am-4:19 pm

2 stops10h 19m

Jackson Hole

Sun 2/22

5:15 pm-12:41 am

1 stop6h 26m

$262

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Tue 1/6

7:00 am-7:06 pm

2 stops13h 06m

Jackson Hole

Sat 1/10

2:40 pm-11:23 pm

1 stop7h 43m

$274

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 2/17

7:00 am-2:58 pm

2 stops9h 58m

Spokane

Tue 2/24

9:20 am-9:37 pm

2 stops10h 17m

$294

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Wed 1/14

4:40 pm-12:08 am

2 stops9h 28m

Spokane

Wed 1/21

5:05 am-5:25 pm

2 stops10h 20m

$294

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 1/15

6:20 pm-11:12 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

Sun 1/18

1:41 pm-11:23 pm

1 stop8h 42m

$302

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 1/29

6:46 pm-10:52 am

1 stop17h 06m

Boise Air Term. Gowen Fld

Sat 2/7

9:02 am-5:45 pm

1 stop7h 43m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 42 results
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Best time to book a flight from San Antonio to Idaho

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

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

Currently, September is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $108). Flying from San Antonio to Idaho in July is currently the most expensive (average of $260). 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 ID?

Find hourly flight availability from San Antonio to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to Idaho in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated December 18, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Idaho have to say. 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.

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

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 San Antonio to Idaho. 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 from for flights from San Antonio to Idaho?

    For a flight from San Antonio to Idaho, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city.

  • How long is the flight from San Antonio to Idaho?

    For as low as $323, Delta can have you in Idaho from San Antonio in 5h 35m. Airlines will cover a distance of 1376 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $85. United Airlines flights start at $98 while deals on Delta start at $131 one-way.

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

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $108). Flying from San Antonio to Idaho in July is currently the most expensive (average of $260). 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

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Alternative routes for San Antonio to Idaho

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

Top 5 airlines flying from San Antonio to Idaho

Discover the top 5 airlines that operate flights from San Antonio to Idaho. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$248FlexibilityNo cancel feeOn-time65%
DeltaCheapest$194Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$271Average$409FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$454FlexibilityNo cancel feeOn-time69%

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