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Idaho

$130+ 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
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$210
(Mytrip)

One-way from

$130
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$338
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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Highest demand for flights based on searches. 13% potential increase in price ($63 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 April 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 April 29, 2025.

This Mytrip deal was found by Cheapflights users on 4/27. 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.
Fri 5/236:45 amSAT - GEG
1 stop12h 28mMultiple Airlines
Mon 5/266:03 pmGEG - SAT
1 stop17h 39mMultiple Airlines
Deal found 4/27$210
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:51 pmSAT - BOI
1 stop13h 30mMultiple Airlines
Sun 5/2512:36 pmBOI - SAT
1 stop5h 00mMultiple Airlines
Deal found 4/28$253
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 5/146:35 amSAT - BOI
1 stop8h 12mHawaiian Airlines
Tue 5/208:59 pmBOI - SAT
1 stop7h 11mHawaiian Airlines
Deal found 4/29$286
This Delta deal was found by Cheapflights users on 4/29. 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 5/286:06 pmSAT - BOI
1 stop7h 16mDelta
Sat 5/311:18 pmBOI - SAT
1 stop10h 03mDelta
Deal found 4/29$287
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/275:39 amSAT - BOI
1 stop5h 07mUnited Airlines
Tue 6/310:45 amBOI - SAT
2 stops9h 47mUnited Airlines
Deal found 4/29$292
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/207:45 amSAT - GEG
1 stop6h 16mDelta
Tue 6/105:10 pmGEG - SAT
1 stop5h 22mDelta
Deal found 4/28$307
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:30 amSAT - GEG
2 stops9h 05mUnited Airlines
Tue 7/221:37 pmGEG - SAT
1 stop8h 22mUnited Airlines
Deal found 4/28$312
This Southwest deal was found by Cheapflights users on 4/29. 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 5/287:00 pmSAT - BOI
1 stop5h 55mSouthwest
Sat 5/3111:45 amBOI - SAT
2 stops10h 40mSouthwest
Deal found 4/29$316
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/66:35 amSAT - BOI
1 stop8h 12mAlaska Airlines
Fri 5/96:30 amBOI - SAT
1 stop11h 07mAlaska Airlines
Deal found 4/29$356
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/287:37 pmSAT - GEG
1 stop6h 22mAlaska Airlines
Mon 7/148:48 pmGEG - SAT
1 stop6h 52mAlaska Airlines
Deal found 4/28$376
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 6/26:10 pmSAT - IDA
1 stop5h 41mDelta
Sat 6/76:00 amIDA - SAT
1 stop6h 45mDelta
Deal found 4/29$398
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/86:00 pmSAT - BOI
1 stop6h 32mAmerican Airlines
Sat 5/101:50 pmBOI - SAT
1 stop5h 44mAmerican Airlines
Deal found 4/29$401

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 April 29, 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 AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Fri 5/23

6:45 am-5:13 pm

1 stop12h 28m

Spokane

Mon 5/26

6:03 pm-5:04 am

2 stops33h 01m

$210

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Thu 5/15

10:51 pm-11:21 am

1 stop13h 30m

Boise Air Term. Gowen Fld

Mon 5/19

12:16 pm-1:42 pm

2 stops24h 26m

$267

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 5/14

6:35 am-1:47 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 5/20

8:59 pm-5:10 am

1 stop7h 11m

$286

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 5/28

6:06 pm-12:22 am

1 stop7h 16m

Boise Air Term. Gowen Fld

Sat 5/31

1:18 pm-12:21 am

1 stop10h 03m

$287

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sun 5/11

4:53 pm-10:52 pm

1 stop6h 59m

Boise Air Term. Gowen Fld

Tue 6/3

5:43 pm-11:56 pm

1 stop5h 13m

$302

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 5/20

7:45 am-12:01 pm

1 stop6h 16m

Spokane

Tue 6/10

5:10 pm-12:32 am

1 stop5h 22m

$307

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Wed 5/28

5:30 am-12:35 pm

2 stops9h 05m

Spokane

Tue 7/22

1:37 pm-11:59 pm

1 stop8h 22m

$312

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 5/28

7:00 pm-11:55 pm

1 stop5h 55m

Boise Air Term. Gowen Fld

Sat 5/31

11:45 am-11:25 pm

2 stops10h 40m

$316

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 6/28

7:37 pm-11:59 pm

1 stop6h 22m

Spokane

Mon 7/14

8:48 pm-5:40 am

1 stop6h 52m

$376

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Mon 6/2

6:10 pm-10:51 pm

1 stop5h 41m

Idaho Falls Fanning Field

Sat 6/7

6:00 am-1:45 pm

1 stop6h 45m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 29 results
1
2
3

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 $406). 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 April 29, 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 April 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $130. American Airlines flights start at $144 while deals on Delta start at $154 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 - Boise Air Term. Gowen Fld, San Antonio - Spokane and San Antonio - Jackson Hole.

  • 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 $406). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$190FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$447FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$442FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$459FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$297Average$506FlexibilityNo cancel feeOn-time69%

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