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Idaho Falls

$180+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — IDA
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(Alaska Airlines)

One-way from

$180
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$450
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 October 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 octubre 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
dom. 10/2610:54 amSAT - IDA
2 stops26h 55mMultiple Airlines
lun. 10/277:40 pmIDA - SAT
1 stop27h 00mMultiple Airlines
Deal found 10/22$510
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
sáb. 11/16:32 amSAT - IDA
1 stop9h 41mAlaska Airlines
sáb. 11/153:50 pmIDA - SAT
1 stop25h 05mAlaska Airlines
Deal found 10/22$512
This United Airlines deal was found by Cheapflights users on 10/22. 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.
sáb. 11/15:30 amSAT - IDA
2 stops9h 05mUnited Airlines
sáb. 11/158:30 amIDA - SAT
1 stop7h 28mUnited Airlines
Deal found 10/22$518
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
jue. 10/232:04 pmSAT - IDA
1 stop27h 10mMultiple Airlines
vie. 10/2410:57 pmIDA - SAT
1 stop23h 43mMultiple Airlines
Deal found 10/22$546
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
vie. 10/247:00 amSAT - IDA
1 stop10h 14mMultiple Airlines
vie. 10/2410:57 pmIDA - SAT
2 stops34h 12mMultiple Airlines
Deal found 10/22$568
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
lun. 10/277:00 amSAT - IDA
1 stop6h 49mMultiple Airlines
lun. 10/277:40 pmIDA - SAT
1 stop27h 00mMultiple Airlines
Deal found 10/22$582
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
vie. 10/247:00 amSAT - IDA
1 stop10h 14mMultiple Airlines
lun. 10/277:40 pmIDA - SAT
1 stop27h 00mMultiple Airlines
Deal found 10/22$603
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
jue. 10/236:40 amSAT - IDA
1 stop9h 58mAlaska Airlines
lun. 10/273:50 pmIDA - SAT
1 stop7h 15mAlaska Airlines
Deal found 10/22$690
This Delta deal was found by Cheapflights users on 10/22. 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.
jue. 10/237:30 amSAT - IDA
1 stop6h 03mDelta
mar. 10/286:53 pmIDA - SAT
1 stop4h 38mDelta
Deal found 10/22$691

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 octubre 23, 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

mar. 2/3

6:46 pm-6:18 pm

1 stop24h 32m

Idaho Falls Fanning Field

dom. 2/8

6:58 pm-5:46 pm

1 stop21h 48m

$379

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

mar. 2/3

11:43 am-9:14 pm

2 stops10h 31m

Idaho Falls Fanning Field

dom. 2/8

2:40 pm-8:44 pm

1 stop5h 04m

$385

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

vie. 11/7

4:30 pm-9:03 pm

1 stop5h 33m

Idaho Falls Fanning Field

mar. 11/11

8:30 am-4:58 pm

1 stop7h 28m

$456

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

lun. 11/17

10:04 am-7:06 pm

2 stops10h 02m

$180

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

lun. 11/17

6:00 am-1:28 pm

1 stop8h 28m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 December is currently the most expensive (average of $372). 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 octubre 23, 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
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 10h 31m. Alaska Airlines provides one of the quickest options available for as low as $385. There are 1222 mi between San Antonio and Idaho Falls. This flight may include one or multiple stops.

  • 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.

  • 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 December is currently the most expensive (average of $372). 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?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$375Average$509FlexibilityNo cancel feeOn-time69%

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