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Idaho

$88+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$183
(Mytrip)

One-way from

$88
(FlightHub)

Popular in

March

Cheapest in

April

Average price

$598
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
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($18 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 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 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.
Thu 4/247:25 pmSAT - BOI
1 stop18h 32mSpirit Airlines
Wed 4/301:52 pmBOI - SAT
1 stop18h 40mSpirit Airlines
Deal found 3/27$183
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:30 amSAT - BOI
1 stop5h 35mSouthwest
Tue 4/2910:50 amBOI - SAT
2 stops8h 45mSouthwest
Deal found 3/27$261
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:00 amSAT - GEG
1 stop9h 25mAmerican Airlines
Sat 5/311:22 pmGEG - SAT
1 stop6h 41mAmerican Airlines
Deal found 3/27$289
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.
Thu 4/247:00 amSAT - BOI
3 stops33h 36mMultiple Airlines
Wed 4/301:52 pmBOI - SAT
2 stops10h 18mMultiple Airlines
Deal found 3/27$295
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/197:00 amSAT - GEG
1 stop7h 34mAlaska Airlines
Mon 5/58:40 pmGEG - SAT
1 stop19h 57mAlaska Airlines
Deal found 3/26$306
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:00 amSAT - GEG
1 stop9h 56mDelta
Tue 6/105:00 pmGEG - SAT
1 stop5h 28mDelta
Deal found 3/26$307
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.
Sat 5/246:25 amSAT - BOI
1 stop8h 21mDelta
Mon 5/265:40 pmBOI - SAT
1 stop5h 59mDelta
Deal found 3/27$308
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.
Sat 4/268:00 amSAT - JAC
1 stop5h 19mDelta
Sat 5/31:23 pmJAC - SAT
1 stop6h 46mDelta
Deal found 3/27$317
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.
Wed 5/76:10 pmSAT - IDA
1 stop5h 41mDelta
Wed 5/146:50 pmIDA - SAT
1 stop4h 49mDelta
Deal found 3/27$317
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/187:00 amSAT - GEG
1 stop7h 44mHawaiian Airlines
Mon 4/218:36 pmGEG - SAT
1 stop6h 39mHawaiian Airlines
Deal found 3/26$326
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:30 amSAT - JAC
2 stops10h 53mUnited Airlines
Sat 5/310:41 amJAC - SAT
2 stops9h 34mUnited Airlines
Deal found 3/27$327
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:21 pmSAT - GEG
2 stops9h 17mUnited Airlines
Sat 5/316:20 amGEG - SAT
2 stops12h 44mUnited Airlines
Deal found 3/27$374

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 March 28, 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 AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 4/24

7:25 pm-12:57 pm

1 stop18h 32m

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-9:32 am

1 stop18h 40m

$183

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 4/25

5:30 am-10:05 am

1 stop5h 35m

Boise Air Term. Gowen Fld

Tue 4/29

10:50 am-8:35 pm

2 stops8h 45m

$261

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 5/13

5:00 am-12:25 pm

1 stop9h 25m

Spokane

Sat 5/31

1:22 pm-10:03 pm

1 stop6h 41m

$289

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 4/24

7:00 am-3:36 pm

3 stops33h 36m

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-1:10 am

2 stops10h 18m

$295

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 4/19

7:00 am-12:34 pm

1 stop7h 34m

Spokane

Mon 5/5

8:40 pm-6:37 pm

1 stop19h 57m

$306

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 5/20

6:00 am-1:56 pm

1 stop9h 56m

Spokane

Tue 6/10

5:00 pm-12:28 am

1 stop5h 28m

$307

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 5/24

6:25 am-1:46 pm

1 stop8h 21m

Boise Air Term. Gowen Fld

Mon 5/26

5:40 pm-12:39 am

1 stop5h 59m

$308

San AntonioJackson

SAT - JAC

SATJAC

San Antonio

Sat 4/26

8:00 am-12:19 pm

1 stop5h 19m

Jackson Hole

Sat 5/3

1:23 pm-9:09 pm

1 stop6h 46m

$317

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 5/7

6:10 pm-10:51 pm

1 stop5h 41m

Idaho Falls Fanning Field

Wed 5/14

6:50 pm-12:39 am

1 stop4h 49m

$317

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Fri 4/18

7:00 am-12:44 pm

1 stop7h 44m

Spokane

Mon 4/21

8:36 pm-5:15 am

1 stop6h 39m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 35 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, 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 $421). 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 March 28, 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 March 28, 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
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

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 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 $88. Delta flights start at $103 while deals on Southwest start at $108 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 $421). 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

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$127Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$246Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$515FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$476FlexibilityNo cancel feeOn-time63%
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