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$148+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(FlightHub)

One-way from

$148
(Booking.com)

Popular in

December

Cheapest in

April

Average price

$280
Provider with most accurate pricing for San Antonio-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Boise Air Term. Gowen Fld flights.
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From San Antonio to Idaho
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One-way flight from San Antonio to Idaho
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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.
Tue 4/19:35 pmSAT - BOI
1 stop16h 01mSpirit Airlines
Fri 4/41:31 pmBOI - SAT
1 stop5h 59mSpirit Airlines
Deal found 2/19$204
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/46:02 amSAT - BOI
1 stop7h 31mAmerican Airlines
Sat 4/125:18 pmBOI - SAT
1 stop4h 53mAmerican Airlines
Deal found 2/19$205
This Delta deal was found by Cheapflights users on 2/19. 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 4/1112:35 pmSAT - BOI
1 stop7h 21mDelta
Tue 4/2210:30 amBOI - SAT
2 stops12h 12mDelta
Deal found 2/19$250
This Delta deal was found by Cheapflights users on 2/18. 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 5/712:25 pmSAT - GEG
1 stop5h 40mDelta
Wed 5/141:45 pmGEG - SAT
1 stop7h 32mDelta
Deal found 2/18$259
This Mytrip deal was found by Cheapflights users on 2/19. 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 3/135:45 amSAT - BOI
1 stop7h 47mMultiple Airlines
Sun 3/1611:14 amBOI - SAT
2 stops40h 23mMultiple Airlines
Deal found 2/19$280
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 5/104:53 pmSAT - GEG
1 stop6h 02mUnited Airlines
Wed 5/141:40 pmGEG - SAT
1 stop5h 27mUnited Airlines
Deal found 2/18$283
This American Airlines deal was found by Cheapflights users on 2/18. 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 5/105:00 amSAT - GEG
1 stop9h 25mAmerican Airlines
Thu 5/155:34 amGEG - SAT
1 stop14h 30mAmerican Airlines
Deal found 2/18$288
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/177:21 pmSAT - GEG
1 stop6h 38mAlaska Airlines
Mon 4/218:36 pmGEG - SAT
1 stop6h 39mAlaska Airlines
Deal found 2/19$326
This Delta deal was found by Cheapflights users on 2/20. 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 5/1012:25 pmSAT - JAC
1 stop7h 31mDelta
Sun 5/185:30 pmJAC - SAT
1 stop6h 14mDelta
Deal found 2/20$335
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Sat 3/155:45 amSAT - GEG
1 stop28h 57mMultiple Airlines
Sun 3/239:27 amGEG - SAT
2 stops34h 08mMultiple Airlines
Deal found 2/20$351
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 8/207:00 pmSAT - GEG
1 stop6h 59mHawaiian Airlines
Sun 8/248:40 pmGEG - SAT
1 stop6h 58mHawaiian Airlines
Deal found 2/20$391
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/197:21 pmSAT - BOI
2 stops13h 59mAlaska Airlines
Sun 3/239:40 amBOI - SAT
1 stop7h 42mAlaska Airlines
Deal found 2/19$407

Find flights from San Antonio to Idaho within your budget

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 February 20, 2025.

Fly from

San Antonio

Fly to

Idaho

Route

Depart

Return

Price

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Tue 4/1

9:35 pm-12:36 pm

1 stop16h 01m

Boise Air Term. Gowen Fld

Fri 4/4

1:31 pm-8:30 pm

1 stop5h 59m

$204

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 4/4

6:02 am-12:33 pm

1 stop7h 31m

Boise Air Term. Gowen Fld

Sat 4/12

5:18 pm-11:11 pm

1 stop4h 53m

$205

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 4/11

12:35 pm-6:56 pm

1 stop7h 21m

Boise Air Term. Gowen Fld

Tue 4/22

10:30 am-11:42 pm

2 stops12h 12m

$250

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Wed 5/7

12:25 pm-4:05 pm

1 stop5h 40m

Spokane

Wed 5/14

1:45 pm-11:17 pm

1 stop7h 32m

$259

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 3/13

5:45 am-12:32 pm

1 stop7h 47m

Boise Air Term. Gowen Fld

Sun 3/16

11:14 am-4:37 am

2 stops40h 23m

$280

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 5/10

4:53 pm-8:55 pm

1 stop6h 02m

Spokane

Wed 5/14

1:40 pm-9:07 pm

1 stop5h 27m

$283

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 5/10

5:00 am-12:25 pm

1 stop9h 25m

Spokane

Thu 5/15

5:34 am-10:04 pm

1 stop14h 30m

$288

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Thu 4/17

7:21 pm-11:59 pm

1 stop6h 38m

Spokane

Mon 4/21

8:36 pm-5:15 am

1 stop6h 39m

$326

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Sat 5/10

12:25 pm-6:56 pm

1 stop7h 31m

Jackson Hole

Sun 5/18

5:30 pm-12:44 am

1 stop6h 14m

$335

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 3/15

5:45 am-8:42 am

1 stop28h 57m

Spokane

Sun 3/23

9:27 am-9:35 pm

2 stops34h 08m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 33 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.

Travel insights for flights from San Antonio to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $314). Flying from San Antonio to Idaho in June is currently the most expensive (average of $436). 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 February 20, 2025.

When flying from San Antonio to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from San Antonio to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

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 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.

  • 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 $148. Alaska Airlines flights start at $163 while deals on Delta start at $168 one-way.

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

    The most popular flight routes from San Antonio to Idaho are San Antonio - Jackson Hole, San Antonio - Boise Air Term. Gowen Fld and San Antonio - Spokane.

  • 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, October is the cheapest month in which you can book a flight from San Antonio to Idaho (average of $314). Flying from San Antonio to Idaho in June is currently the most expensive (average of $436). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$105Average$255FlexibilityNo cancel feeOn-time65%
DeltaCheapest$246Average$439FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$465FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$513FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$358Average$477FlexibilityNo cancel feeOn-time63%
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