$267+ Cheap flights from Idaho Falls to San Antonio (IDA - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAT
Oct 10 — Oct 171
Round-trip
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:47 pm -
1 stop24h 47m
Thu 11/1210:29 pm -
1 stop16h 01m
Deal found 9/10![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/224:05 pm -
1 stop6h 53m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm -
1 stop6h 53m
Mon 9/285:30 am -
1 stop5h 23m
Deal found 9/10![United Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:05 pm -
1 stop6h 53m
Sat 9/269:00 am -
1 stop5h 24m
Deal found 9/10![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/235:53 pm -
1 stop5h 04m
Sun 9/275:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 12/226:00 am -
1 stop7h 48m
Wed 12/306:39 pm -
1 stop6h 07m
Deal found 9/5![American Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/107:00 am -
1 stop6h 51m
Wed 9/164:27 pm -
1 stop5h 53m
Deal found 9/8![American Airlines logo]()
$529
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 September 10, 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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/224:05 pm -
1 stop6h 53m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/232:35 pm -
1 stop5h 32m
Tue 1/268:55 am -
1 stop5h 40m
Deal found 9/9![United Airlines logo]()
$429
Last-minute flights from Idaho Falls to San AntonioDiscover last-minute flight deals from Idaho Falls to San Antonio. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Antonio. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/107:00 am -
1 stop6h 51m
Wed 9/164:27 pm -
1 stop5h 53m
Deal found 9/8![American Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/105:53 pm -
1 stop5h 04m
Wed 9/169:10 am -
1 stop7h 13m
Deal found 9/5![United Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 9/121:58 pm -
1 stop8h 57m
Mon 9/148:00 am -
1 stop6h 37m
Deal found 9/8![American Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/235:53 pm -
1 stop5h 04m
Sun 9/275:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:05 pm -
1 stop6h 53m
Sat 9/269:00 am -
1 stop5h 24m
Deal found 9/10![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm -
1 stop6h 53m
Mon 9/285:30 am -
1 stop5h 23m
Deal found 9/10![United Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/224:05 pm -
1 stop6h 53m
Sun 10/255:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$385
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 September 10, 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 September 10, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:03 pm -
1 stop25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:05 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/11:05 pm -
2 stops10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 9/8. 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 10/86:56 pm -
1 stop4h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/82:28 pm -
2 stops7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/810:02 am -
3 stops25h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:02 am -
3 stops34h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/205:53 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:03 pm -
3 stops26h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 9/208:20 pm -
3 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$613
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $331 (Kiwi.com) |
One-way from | $267 (Expedia) |
Popular in | March |
Cheapest in | April |
Average price | $634 |
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Idaho Falls to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Wed 12/2
4:03 pm-6:38 pm
1 stop25h 35m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$267
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Thu 10/1
4:05 pm-11:58 pm
1 stop6h 53m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$329
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Thu 10/1
1:05 pm-12:13 am
2 stops10h 08m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$334
Quickest round-trip
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Thu 10/8
6:56 pm-12:30 am
1 stop4h 34m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$339
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Thu 10/8
10:02 am-12:15 pm
3 stops25h 13m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$381
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Thu 10/22
4:05 pm-11:58 pm
1 stop6h 53m
San Antonio
Sun 10/25
5:30 am-9:53 am
1 stop5h 23m
$385
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sun 9/20
5:53 pm-11:57 pm
1 stop5h 04m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$423
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sat 1/23
2:35 pm-9:07 pm
1 stop5h 32m
San Antonio
Tue 1/26
8:55 am-1:35 pm
1 stop5h 40m
$429
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Wed 12/2
4:03 pm-7:17 pm
3 stops26h 14m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$568
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sun 9/20
8:20 pm-2:20 pm
3 stops41h 00m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$613
Sorted by cheapest first
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 September.
| 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
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 September 10, 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.
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - 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 September 10, 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 September 10, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$442 | FlexibilityNo cancel fee | On-time69% |