$223+ Cheap flights from Idaho Falls to San Antonio (IDA - SAT)
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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAT
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Idaho Falls to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho Falls to San Antonio
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Best
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Cheapest flights from Idaho Falls to San AntonioExplore the most affordable flight options available from Idaho Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Idaho Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 5/1311:30 am
IDA
- SAT
1 stop4h 37m
Delta
Sun 5/176:35 am
SAT
- IDA
1 stop5h 12m
Delta
Deal found 2/4![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/296:45 am
IDA
- SAT
1 stop5h 15m
United Airlines
Sat 5/28:48 am
SAT
- IDA
1 stop7h 55m
United Airlines
Deal found 2/4![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/26:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sat 4/47:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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 2/206:35 pm
IDA
- SAT
1 stop5h 06m
Delta
Mon 2/235:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Deal found 2/2![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 2/3. 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 4/186:58 pm
IDA
- SAT
2 stops13h 48m
Delta
Sat 4/256:20 pm
SAT
- IDA
1 stop5h 20m
Delta
Deal found 2/3![Delta logo]()
$318
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
IDA
- SAT
1 stop10h 05m
Alaska Airlines
Wed 6/105:57 pm
SAT
- IDA
1 stop7h 02m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/2. 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 5/166:00 am
IDA
- SAT
2 stops7h 47m
Delta
Sat 5/236:35 am
SAT
- IDA
1 stop5h 12m
Delta
Deal found 2/2![Delta logo]()
$346
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
IDA
- SAT
1 stop8h 10m
Alaska Airlines
Wed 3/116:06 pm
SAT
- IDA
1 stop23h 37m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/192:35 pm
IDA
- SAT
1 stop7h 57m
United Airlines
Mon 3/235:47 am
SAT
- IDA
1 stop5h 09m
United Airlines
Deal found 2/4![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/26:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Mon 4/136:02 pm
SAT
- IDA
1 stop5h 38m
Delta
Deal found 2/2![Delta logo]()
$372
Best flights from Idaho Falls to San AntonioDiscover carefully curated flight deals from Idaho Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Idaho Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/182:30 pm
IDA
- SAT
1 stop5h 12m
United Airlines
Sat 4/258:45 am
SAT
- IDA
1 stop5h 39m
United Airlines
Deal found 2/2![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 2/2. 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 5/1311:30 am
IDA
- SAT
1 stop4h 37m
Delta
Sun 5/176:35 am
SAT
- IDA
1 stop5h 12m
Delta
Deal found 2/2![Delta logo]()
$289
This Travelocity deal was found by Cheapflights users on 2/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
IDA
- SAT
1 stop10h 05m
Alaska Airlines
Wed 6/105:57 pm
SAT
- IDA
1 stop7h 02m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/26:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sun 4/57:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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 4/16:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sat 4/47:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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 4/36:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sun 4/57:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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 4/16:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sun 4/57:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/26:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Sat 4/47:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/2. 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 2/206:35 pm
IDA
- SAT
1 stop5h 06m
Delta
Mon 2/235:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Deal found 2/2![Delta logo]()
$314
Last-minute flights from Idaho Falls to San AntonioDiscover last-minute flight deals from Idaho Falls to San Antonio. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Antonio. Data last updated February 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/125:25 am
IDA
- SAT
1 stop7h 18m
Delta
Mon 2/165:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Deal found 2/2![Delta logo]()
$485
This Delta deal was found by Cheapflights users on 2/4. 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 2/136:35 pm
IDA
- SAT
1 stop5h 06m
Delta
Sun 2/157:35 am
SAT
- IDA
1 stop5h 47m
Delta
Deal found 2/4![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 2/2. 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 2/206:35 pm
IDA
- SAT
1 stop5h 06m
Delta
Mon 2/235:59 pm
SAT
- IDA
1 stop5h 22m
Delta
Deal found 2/2![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 2/238:00 am
IDA
- SAT
1 stop8h 10m
Alaska Airlines
Fri 2/276:06 pm
SAT
- IDA
1 stop23h 37m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$496
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
IDA
- SAT
1 stop8h 10m
Alaska Airlines
Wed 3/116:06 pm
SAT
- IDA
1 stop23h 37m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/2. 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 3/116:55 pm
IDA
- SAT
1 stop4h 21m
Delta
Thu 3/127:00 am
SAT
- IDA
1 stop6h 27m
Delta
Deal found 2/2![Delta logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/155:20 pm
IDA
- SAT
1 stop22h 50m
Alaska Airlines
Mon 3/235:50 pm
SAT
- IDA
1 stop24h 29m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/192:35 pm
IDA
- SAT
1 stop7h 57m
United Airlines
Mon 3/235:47 am
SAT
- IDA
1 stop5h 09m
United Airlines
Deal found 2/4![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/205:30 pm
IDA
- SAT
1 stop5h 02m
United Airlines
Sun 3/225:47 am
SAT
- IDA
1 stop5h 09m
United Airlines
Deal found 2/4![United Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Fri 3/2010:13 pm
IDA
- SAT
2 stops9h 53m
Multiple Airlines
Sun 3/229:34 pm
SAT
- IDA
1 stop18h 40m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$499
One-way flights from Idaho Falls to San AntonioSearch for one-way flight options from Idaho Falls to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Idaho Falls to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/152:18 pm
IDA
- SAT
1 stop7h 49m
American Airlines
Deal found 2/4![American Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 2/125:25 am
IDA
- SAT
1 stop7h 18m
Delta
Deal found 2/2![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/152:35 pm
IDA
- SAT
1 stop7h 57m
United Airlines
Deal found 2/4![United Airlines logo]()
$370
Find flight deals from Idaho Falls to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to San Antonio (SAT). 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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (United Airlines) |
One-way from | $223 (American Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $490 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to San Antonio 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 February 5, 2026.
Use the filters below to find and compare flights from Idaho Falls to San Antonio that are best for you.
Fly from
Idaho Falls
Fly to
San Antonio
Route
Depart
Return
Price
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Sat 4/18
2:30 pm-8:42 pm
1 stop5h 12m
San Antonio
Sat 4/25
8:45 am-1:24 pm
1 stop5h 39m
$289
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Wed 5/13
11:30 am-5:07 pm
1 stop4h 37m
San Antonio
Sun 5/17
6:35 am-10:47 am
1 stop5h 12m
$289
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Thu 4/2
6:55 pm-12:16 am
1 stop4h 21m
San Antonio
Sun 4/5
7:00 am-12:27 pm
1 stop6h 27m
$313
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Wed 4/1
6:55 pm-12:16 am
1 stop4h 21m
San Antonio
Sat 4/4
7:00 am-12:27 pm
1 stop6h 27m
$313
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Fri 4/3
6:55 pm-12:16 am
1 stop4h 21m
San Antonio
Sun 4/5
7:00 am-12:27 pm
1 stop6h 27m
$313
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Wed 4/1
6:55 pm-12:16 am
1 stop4h 21m
San Antonio
Sun 4/5
7:00 am-12:27 pm
1 stop6h 27m
$313
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Thu 4/2
6:55 pm-12:16 am
1 stop4h 21m
San Antonio
Sat 4/4
7:00 am-12:27 pm
1 stop6h 27m
$313
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Fri 2/20
6:35 pm-12:41 am
1 stop5h 06m
San Antonio
Mon 2/23
5:59 pm-10:21 pm
1 stop5h 22m
$314
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Mon 6/1
6:00 am-5:05 pm
1 stop10h 05m
San Antonio
Wed 6/10
5:57 pm-11:59 pm
1 stop7h 02m
$339
Idaho FallsSan Antonio
IDA - SAT
IDASAT
Idaho Falls Fanning Field
Sun 3/15
2:18 pm-11:07 pm
1 stop7h 49m
$223
Showing 1-10 of 12 results
Compare providers for flights from Idaho Falls to San Antonio
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 Idaho Falls to San Antonio in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-San Antonio 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 Idaho Falls-San Antonio 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 Idaho Falls to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Idaho Falls with our price prediction graph.
IDA-SAT
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 Idaho Falls to San Antonio
What is the cheapest month to book a flight from Idaho Falls to San Antonio?
Currently, May is the cheapest month in which you can book a flight from Idaho Falls to San Antonio (average of $179). Flying from Idaho Falls to San Antonio in July is currently the most expensive (average of $430). 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.
How much does it cost to fly round-trip from Idaho Falls to San Antonio?
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Idaho Falls to San Antonio, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Idaho Falls and San Antonio flights
Browse other Idaho Falls and San Antonio flight options. Last updated on February 5, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Top 2 airlines flying from Idaho Falls to San Antonio
Discover the top 2 airlines that operate flights from Idaho Falls to San Antonio. 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$472 | FlexibilityNo cancel fee | On-time69% |