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Idaho

$136+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$241
(Mytrip)

One-way from

$136
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$340
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. 14% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/132:11 pmSAT - GEG
1 stop28h 51mMultiple Airlines
Mon 7/215:52 pmGEG - SAT
1 stop17h 14mMultiple Airlines
Deal found 6/11$241
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/177:00 amSAT - GEG
1 stop17h 52mAmerican Airlines
Mon 9/2212:35 pmGEG - SAT
1 stop8h 25mAmerican Airlines
Deal found 6/11$252
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/137:00 amSAT - GEG
1 stop7h 28mAlaska Airlines
Wed 8/205:46 pmGEG - SAT
1 stop23h 00mAlaska Airlines
Deal found 6/10$254
This Delta deal was found by Cheapflights users on 6/11. 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 8/226:07 pmSAT - GEG
2 stops7h 55mDelta
Mon 8/251:00 pmGEG - SAT
1 stop6h 22mDelta
Deal found 6/11$286
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sat 7/126:59 pmSAT - BOI
1 stop17h 47mMultiple Airlines
Mon 7/217:48 pmBOI - SAT
1 stop21h 48mMultiple Airlines
Deal found 6/11$294
This Mytrip deal was found by Cheapflights users on 6/11. 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 6/2610:57 pmSAT - IDA
1 stop13h 48mMultiple Airlines
Mon 6/306:17 pmIDA - SAT
1 stop9h 43mMultiple Airlines
Deal found 6/11$300
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/41:43 pmSAT - BOI
1 stop7h 04mUnited Airlines
Wed 7/165:42 pmBOI - SAT
1 stop5h 17mUnited Airlines
Deal found 6/12$305
This Delta deal was found by Cheapflights users on 6/9. 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 8/26:00 amSAT - BOI
1 stop6h 09mDelta
Tue 8/56:00 pmBOI - SAT
1 stop5h 35mDelta
Deal found 6/9$308
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 8/37:37 pmSAT - GEG
1 stop6h 22mHawaiian Airlines
Thu 8/79:45 amGEG - SAT
1 stop6h 52mHawaiian Airlines
Deal found 6/12$335
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/97:00 amSAT - BOI
1 stop9h 04mAlaska Airlines
Tue 7/154:50 pmBOI - SAT
1 stop11h 50mAlaska Airlines
Deal found 6/10$346
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sat 8/25:20 amSAT - BOI
2 stops8h 40mSouthwest
Tue 8/512:45 pmBOI - SAT
1 stop9h 05mSouthwest
Deal found 6/9$347
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 7/97:00 amSAT - BOI
1 stop9h 04mHawaiian Airlines
Tue 7/157:12 pmBOI - SAT
1 stop9h 28mHawaiian Airlines
Deal found 6/11$358

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 June 12, 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

Sun 7/13

2:11 pm-5:02 pm

1 stop28h 51m

Spokane

Mon 7/21

5:52 pm-1:06 pm

1 stop17h 14m

$241

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Wed 9/17

7:00 am-10:52 pm

1 stop17h 52m

Spokane

Mon 9/22

12:35 pm-11:00 pm

1 stop8h 25m

$252

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Wed 8/13

7:00 am-12:28 pm

1 stop7h 28m

Spokane

Wed 8/20

5:46 pm-6:46 pm

1 stop23h 00m

$254

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Fri 8/22

6:07 pm-12:02 am

2 stops7h 55m

Spokane

Mon 8/25

1:00 pm-9:22 pm

1 stop6h 22m

$286

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 7/12

6:59 pm-11:46 am

1 stop17h 47m

Boise Air Term. Gowen Fld

Mon 7/21

7:48 pm-6:36 pm

1 stop21h 48m

$294

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Thu 6/26

10:57 pm-11:45 am

1 stop13h 48m

Idaho Falls Fanning Field

Mon 6/30

6:17 pm-5:00 am

1 stop9h 43m

$300

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Fri 7/4

1:43 pm-7:47 pm

1 stop7h 04m

Boise Air Term. Gowen Fld

Wed 7/16

5:42 pm-11:59 pm

1 stop5h 17m

$305

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Sat 8/2

6:00 am-11:09 am

1 stop6h 09m

Boise Air Term. Gowen Fld

Tue 8/5

6:00 pm-12:35 am

1 stop5h 35m

$308

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sun 8/3

7:37 pm-11:59 pm

1 stop6h 22m

Spokane

Thu 8/7

9:45 am-6:37 pm

1 stop6h 52m

$335

San AntonioBoise

SAT - BOI

SATBOI

San Antonio

Wed 7/9

7:00 am-3:04 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Tue 7/15

4:50 pm-5:40 am

1 stop11h 50m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 41 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 $395). 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 June 12, 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 June 12, 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
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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 American Airlines, which is currently one of the cheapest options available, starting at $136. Frontier flights start at $141 while deals on Spirit Airlines start at $170 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 - Spokane, San Antonio - Boise Air Term. Gowen Fld 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 $395). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$127Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$286Average$493FlexibilityNo cancel feeOn-time69%

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