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Idaho Falls

$161+ Cheap flights from San Antonio to Idaho Falls (SAT - IDA)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — IDA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from San Antonio to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$161
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$412
Provider with most accurate pricing for San Antonio-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Idaho Falls Fanning Field flights.
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From San Antonio to Idaho Falls Fanning Field
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One-way flight from San Antonio to Idaho Falls Fanning Field
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from San Antonio to Idaho Falls

Cheapest flights from San Antonio to Idaho Falls
Explore the most affordable flight options available from San Antonio to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:08 pmSAT - IDA
1 stop28h 59mMultiple Airlines
Mon 12/17:58 pmIDA - SAT
1 stop16h 19mMultiple Airlines
Deal found 11/11$238
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Tue 11/252:12 pmSAT - IDA
1 stop26h 51mMultiple Airlines
Sun 11/3010:53 pmIDA - SAT
2 stops41h 19mMultiple Airlines
Deal found 11/13$303
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 11/246:22 pmSAT - IDA
1 stop24h 35mMultiple Airlines
Mon 12/17:58 pmIDA - SAT
2 stops44h 14mMultiple Airlines
Deal found 11/13$424
This Delta deal was found by Cheapflights users on 11/11. 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.
Sun 12/76:00 pmSAT - IDA
1 stop5h 21mDelta
Tue 12/166:00 amIDA - SAT
1 stop6h 47mDelta
Deal found 11/11$451
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/315:20 amSAT - IDA
1 stop5h 38mUnited Airlines
Tue 1/610:51 amIDA - SAT
1 stop5h 02mUnited Airlines
Deal found 11/12$468

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Idaho Falls 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 November 13, 2025.
Use the filters below to find and compare flights from San Antonio to Idaho Falls that are best for you.

Fly from

San Antonio

Fly to

Idaho Falls

Route

Depart

Return

Price

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Thu 11/27

2:08 pm-6:07 pm

1 stop28h 59m

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-1:17 pm

1 stop16h 19m

$238

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Tue 11/25

2:12 pm-4:03 pm

1 stop26h 51m

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-5:12 pm

2 stops41h 19m

$303

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Thu 1/15

7:00 am-5:51 pm

2 stops11h 51m

Idaho Falls Fanning Field

Mon 1/19

6:35 pm-12:41 am

1 stop5h 06m

$397

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Mon 11/24

6:22 pm-5:57 pm

1 stop24h 35m

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-5:12 pm

2 stops44h 14m

$424

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sun 12/7

6:00 pm-10:21 pm

1 stop5h 21m

Idaho Falls Fanning Field

Tue 12/16

6:00 am-1:47 pm

1 stop6h 47m

$451

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Thu 1/1

5:20 am-9:58 am

1 stop5h 38m

Idaho Falls Fanning Field

Tue 1/6

10:51 am-4:53 pm

1 stop5h 02m

$468

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 12/31

5:20 am-9:58 am

1 stop5h 38m

Idaho Falls Fanning Field

Tue 1/6

10:51 am-4:53 pm

1 stop5h 02m

$468

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sun 12/14

5:40 am-2:36 pm

2 stops33h 56m

$161

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sun 12/14

7:05 am-12:37 pm

1 stop6h 32m

$236

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Mon 2/16

9:10 am-1:30 pm

1 stop5h 20m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 11 results
1
2

Compare providers for flights from San Antonio to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Idaho Falls in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Idaho Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Idaho Falls

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

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

Currently, September is the cheapest month in which you can book a flight from San Antonio to Idaho Falls (average of $173). Flying from San Antonio to Idaho Falls in August is currently the most expensive (average of $357). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated November 13, 2025.
Read through reviews of airlines operating flights from San Antonio to Idaho Falls, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San Antonio to Idaho Falls can take about 11h 51m. Delta provides one of the quickest options available for as low as $397. There are 1222 mi between San Antonio and Idaho Falls.

  • What are the cheapest airlines flying from San Antonio to Idaho Falls round-trip?

    Currently priced at $370, Delta will fly you from San Antonio to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $375. Delta is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $236. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from San Antonio to Idaho Falls for a low price.

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

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

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

    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 Falls.

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

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

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Idaho Falls (average of $173). Flying from San Antonio to Idaho Falls in August is currently the most expensive (average of $357). 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

Traveling to a place near Idaho Falls?

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Top 2 airlines flying from San Antonio to Idaho Falls

Discover the top 2 airlines that operate flights from San Antonio to Idaho Falls. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$375Average$509FlexibilityNo cancel feeOn-time69%

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