$379+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAT
Dec 10 — Dec 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
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 November 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 November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Mon 11/303:32 pm -
2 stops25h 27m
Wed 12/28:03 pm -
1 stop20h 12m
Deal found 11/9![Multiple Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/52:40 pm -
1 stop4h 54m
Tue 12/81:50 pm -
1 stop8h 09m
Deal found 11/5![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/12:40 pm -
1 stop4h 54m
Thu 12/318:50 am -
1 stop5h 38m
Deal found 11/5![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/152:40 pm -
1 stop4h 54m
Mon 1/45:26 am -
1 stop5h 28m
Deal found 11/9![United Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/1810:32 pm -
1 stop18h 48m
Tue 12/2211:48 am -
1 stop28h 34m
Deal found 11/6![Multiple Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 12/132:40 pm -
1 stop4h 54m
Fri 12/184:41 pm -
1 stop5h 38m
Deal found 11/10![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/222:35 pm -
1 stop5h 18m
Thu 11/268:56 am -
1 stop5h 44m
Deal found 11/7![United Airlines logo]()
$549
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 November 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 November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/1810:32 pm -
1 stop18h 48m
Tue 12/228:30 pm -
2 stops19h 52m
Deal found 11/6![Multiple Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/52:40 pm -
1 stop4h 54m
Tue 12/81:50 pm -
1 stop8h 09m
Deal found 11/7![United Airlines logo]()
$479
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
2 stops16h 59m
Thu 12/317:00 am -
2 stops17h 45m
Deal found 11/5![Alaska Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/207:00 am -
1 stop4h 48m
Mon 1/45:26 am -
1 stop5h 28m
Deal found 11/9![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/12:40 pm -
1 stop4h 54m
Thu 12/315:15 am -
2 stops9h 13m
Deal found 11/5![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 12/132:40 pm -
2 stops7h 24m
Fri 12/184:41 pm -
1 stop5h 38m
Deal found 11/10![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/222:35 pm -
1 stop5h 18m
Thu 11/268:56 am -
1 stop5h 44m
Deal found 11/7![United Airlines logo]()
$549
Last-minute flights from Idaho Falls to San AntonioDiscover last-minute flight deals from Idaho Falls to San Antonio. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Antonio. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/222:35 pm -
1 stop5h 18m
Thu 11/268:56 am -
1 stop5h 44m
Deal found 11/7![United Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Mon 11/303:32 pm -
2 stops25h 27m
Wed 12/28:03 pm -
1 stop20h 12m
Deal found 11/9![Multiple Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/12:40 pm -
1 stop4h 54m
Thu 12/318:50 am -
1 stop5h 38m
Deal found 11/5![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/52:40 pm -
1 stop4h 54m
Tue 12/81:50 pm -
1 stop8h 09m
Deal found 11/5![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 12/132:40 pm -
1 stop4h 54m
Fri 12/184:41 pm -
1 stop5h 38m
Deal found 11/10![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/152:40 pm -
1 stop4h 54m
Mon 1/45:26 am -
1 stop5h 28m
Deal found 11/9![United Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/1810:32 pm -
1 stop18h 48m
Tue 12/2211:48 am -
1 stop28h 34m
Deal found 11/6![Multiple Airlines logo]()
$501
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (American Airlines) |
Popular in | March |
Cheapest in | April |
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 November 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
Fri 12/18
10:32 pm-6:20 pm
1 stop18h 48m
San Antonio
Tue 12/22
8:30 pm-3:22 pm
2 stops19h 52m
$479
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sat 12/5
2:40 pm-8:34 pm
1 stop4h 54m
San Antonio
Tue 12/8
1:50 pm-8:59 pm
1 stop8h 09m
$479
Quickest round-trip
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sun 12/20
7:00 am-12:48 pm
1 stop4h 48m
San Antonio
Mon 1/4
5:26 am-9:54 am
1 stop5h 28m
$495
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Tue 12/1
2:40 pm-8:34 pm
1 stop4h 54m
San Antonio
Thu 12/31
5:15 am-1:28 pm
2 stops9h 13m
$523
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sun 12/13
2:40 pm-11:04 pm
2 stops7h 24m
San Antonio
Fri 12/18
4:41 pm-9:19 pm
1 stop5h 38m
$529
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Sun 11/22
2:35 pm-8:53 pm
1 stop5h 18m
San Antonio
Thu 11/26
8:56 am-1:40 pm
1 stop5h 44m
$549
Idaho FallsSan Antonio
IDA Idaho Falls Fanning Field - SAT San Antonio
IDASAT
Idaho Falls Fanning Field
Tue 12/1
6:00 am-11:59 pm
2 stops16h 59m
San Antonio
Thu 12/31
7:00 am-11:45 pm
2 stops17h 45m
$610
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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.
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 November 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.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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 November 10, 2026.
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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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$442 | FlexibilityNo cancel fee | On-time69% |