$217+ Cheap flights from Austin (AUS) to Santiago de los Caballeros (STI)
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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — STI
Dec 13 — Dec 201
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Santiago de los Caballeros 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 Austin to Santiago de los Caballeros
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Cheapest flights from Austin to Santiago de los CaballerosExplore the most affordable flight options available from Austin to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
Explore the most affordable flight options available from Austin to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
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.
Wed 11/2511:25 am -
1 stop11h 34m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$582
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.
Thu 11/267:30 am -
1 stop10h 29m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$631
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:58 pm -
1 stop25h 08m
Mon 11/235:08 pm -
1 stop8h 08m
Deal found 11/9![American Airlines logo]()
$656
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.
Tue 11/246:45 pm -
1 stop16h 22m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$659
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:15 pm -
1 stop13h 39m
Sat 1/24:15 pm -
1 stop8h 58m
Deal found 11/12![JetBlue logo]()
$742
Best flights from Austin to Santiago de los CaballerosDiscover carefully curated flight deals from Austin to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
Discover carefully curated flight deals from Austin to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
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.
Mon 2/112:48 pm -
2 stops21h 01m
Fri 2/56:00 am -
2 stops19h 03m
Deal found 11/12![United Airlines logo]()
$575
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.
Tue 11/246:45 pm -
1 stop16h 22m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$659
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.
Sat 1/302:23 pm -
2 stops22h 30m
Tue 2/26:00 am -
1 stop16h 57m
Deal found 11/10![United Airlines logo]()
$710
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:20 am -
2 stops17h 39m
Mon 11/232:32 pm -
1 stop10h 21m
Deal found 11/10![Delta logo]()
$779
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.
Thu 11/195:40 pm -
3 stops28h 11m
Mon 11/236:00 am -
3 stops35h 21m
Deal found 11/9![United Airlines logo]()
$879
Last-minute flights from Austin to Santiago de los CaballerosDiscover last-minute flight deals from Austin to Santiago de los Caballeros. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Santiago de los Caballeros. Data last updated November 13, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:58 pm -
1 stop25h 08m
Mon 11/235:08 pm -
1 stop8h 08m
Deal found 11/9![American Airlines logo]()
$656
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.
Tue 11/246:45 pm -
1 stop16h 22m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$659
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.
Wed 11/2511:25 am -
1 stop11h 34m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$582
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.
Thu 11/267:30 am -
1 stop10h 29m
Tue 12/19:25 pm -
1 stop15h 04m
Deal found 11/11![Delta logo]()
$631
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:15 pm -
1 stop13h 39m
Sat 1/24:15 pm -
1 stop8h 58m
Deal found 11/12![JetBlue logo]()
$742
One-way flights from Austin to Santiago de los CaballerosSearch for one-way flight options from Austin to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
Search for one-way flight options from Austin to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/510:59 am -
2 stops13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$217
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:00 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![JetBlue logo]()
$352
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/307:14 pm -
2 stops26h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$506
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.
Tue 12/226:00 am -
1 stop15h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$844
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:00 am -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![American Airlines logo]()
$968
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:05 pm -
3 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$2,908
Find flight deals from Austin to Santiago de los Caballeros
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Santiago de los Caballeros (STI). 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, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $568 (American Airlines) |
One-way from | $217 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $494 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Santiago de los Caballeros 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 13, 2026.
Use the filters below to find and compare flights from Austin to Santiago de los Caballeros that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Tue 1/5
11:59 am-2:44 am
1 stop12h 45m
Santiago de los Caballeros
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$217
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Wed 12/30
7:14 pm-11:51 pm
2 stops26h 37m
Santiago de los Caballeros
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$506
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Mon 2/1
12:48 pm-11:49 am
2 stops21h 01m
Santiago de los Caballeros
Fri 2/5
6:00 am-11:03 pm
2 stops19h 03m
$575
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Tue 11/24
6:45 pm-1:07 pm
1 stop16h 22m
Santiago de los Caballeros
Tue 12/1
9:25 pm-10:29 am
1 stop15h 04m
$659
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Sat 1/30
2:23 pm-2:53 pm
2 stops22h 30m
Santiago de los Caballeros
Tue 2/2
6:00 am-8:57 pm
1 stop16h 57m
$710
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Thu 11/19
5:20 am-12:59 am
2 stops17h 39m
Santiago de los Caballeros
Mon 11/23
2:32 pm-10:53 pm
1 stop10h 21m
$779
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Tue 12/22
6:00 am-11:51 pm
1 stop15h 51m
Santiago de los Caballeros
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$844
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Thu 11/19
5:40 pm-11:51 pm
3 stops28h 11m
Santiago de los Caballeros
Mon 11/23
6:00 am-3:21 pm
3 stops35h 21m
$879
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Tue 12/22
5:00 am-8:50 pm
2 stops13h 50m
Santiago de los Caballeros
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$968
AustinSantiago de los Caballeros
AUS Austin Bergstrom - STI Santiago de los Caballeros
AUSSTI
Austin Bergstrom
Tue 12/22
12:05 pm-9:00 pm
3 stops30h 55m
Santiago de los Caballeros
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$2,908
Sorted by cheapest first
Compare providers for flights from Austin to Santiago de los Caballeros
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 Austin to Santiago de los Caballeros in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 Austin-Santiago de los Caballeros flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Santiago de los Caballeros flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Santiago de los Caballeros 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 Austin-Santiago de los Caballeros 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 Austin to Santiago de los Caballeros
Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Austin with our price prediction graph.
AUS-STI
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 Austin to Santiago de los Caballeros
What is the cheapest month to book a flight from Austin to Santiago de los Caballeros?
Currently, February is the cheapest month in which you can book a flight from Austin to Santiago de los Caballeros (average of $253). Flying from Austin to Santiago de los Caballeros in December is currently the most expensive (average of $835). 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 Austin to Santiago de los Caballeros?
Airfare is typical for this route at the moment.
Austin to Santiago de los Caballeros flights typically cost between $474 and $619 in January.The cheapest round-trip price found within the last 5 days was $568 on American Airlines (Jan 9-Jan 23).
Reviews of airlines servicing Santiago de los Caballeros
Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated November 13, 2026.
See what other customers who have flown with JetBlue and American Airlines from Austin to Santiago de los Caballeros have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.3
Overall
7.1
Comfort
7.4
Crew
7.9
Entertainment
7.2
Food
6.6
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
ISP - FLL
Boarding
7.3
Overall
7.1
Comfort
7.4
Crew
7.9
Entertainment
7.2
Food
6.6
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
ISP - FLL
Boarding
7.3
Overall
7.1
Comfort
7.4
Crew
7.9
Entertainment
7.2
Food
6.6
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
ISP - FLL
Related info for your journey
Find useful and relevant information for your journey from Austin to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Austin to Santiago de los Caballeros
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Complete your trip
Complete your trip to Santiago de los Caballeros by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Austin to Santiago de los Caballeros, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Santiago de los Caballeros flights
Browse other Austin and Santiago de los Caballeros flight options. Last updated on November 13, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on November 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Santiago de los Caballeros
Explore flights to Santiago de los Caballeros departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 13, 2026.
Top 2 airlines flying from Austin to Santiago de los Caballeros
Discover the top 2 airlines that operate flights from Austin to Santiago de los Caballeros. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$444 | Average$604 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$451 | Average$768 | FlexibilityNo cancel fee | On-time71% |