What is the cheapest day to fly from Austin to Santiago de los Caballeros?

Travelers seeking maximum savings on their Austin to Santiago de los Caballeros flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

What are the most popular airlines that fly from Austin to Santiago de los Caballeros?

The most popular airlines flying from Austin to Santiago de los Caballeros are American Airlines, Delta and Spirit Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Austin to Santiago de los Caballeros?

Thursday flights are found to be more expensive to fly from Austin to Santiago de los Caballeros. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santiago de los Caballeros.

What is the cheapest month to fly from Austin to Santiago de los Caballeros?

September can be a great time to fly to Santiago de los Caballeros from Austin with a flight ticket averaging about $608. Cheapflights users have found deals in the month of September for as cheap as $381. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from AUS to STI?

It’s typically best to fly out from Austin to Santiago de los Caballeros in the morning. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

How can I find direct flights from Austin to Santiago de los Caballeros?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Santiago de los Caballeros.

Can I find deals for business class flights from Austin to Santiago de los Caballeros?

Yes. Cheapflights offers flight deals from Austin to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$351+ Flights from Austin to Santiago de los Caballeros

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Cheap flight deals from Austin to Santiago de los Caballeros

Round-trip from	$351 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$872

From Austin Bergstrom to Santiago de los Caballeros

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($195 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($64 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from Austin to Santiago de los Caballeros

Cheapest flights from Austin to Santiago de los Caballeros
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 July 3, 2025.

Wed 8/137:15 amAUS - STI

1 stop25h 00mSpirit Airlines

Wed 9/310:20 amSTI - AUS

1 stop11h 25mSpirit Airlines

Deal found 7/1

$351

Thu 10/235:30 amAUS - STI

2 stops12h 08mDelta

Wed 10/299:03 pmSTI - AUS

2 stops21h 10mDelta

Deal found 7/3

$495

Sun 8/105:02 amAUS - STI

1 stop14h 46mAmerican Airlines

Sun 8/317:00 amSTI - AUS

1 stop18h 23mAmerican Airlines

Deal found 7/3

$508

Sun 7/137:30 amAUS - STI

2 stops28h 21mMultiple Airlines

Wed 8/1310:20 amSTI - AUS

1 stop11h 25mMultiple Airlines

Deal found 6/30

$545

Sat 7/59:37 amAUS - STI

2 stops15h 09mUnited Airlines

Mon 7/72:07 pmSTI - AUS

2 stops22h 37mUnited Airlines

Deal found 7/1

$889

Sun 7/135:10 pmAUS - STI

1 stop15h 53mJetBlue

Tue 8/122:17 amSTI - AUS

2 stops14h 55mJetBlue

Deal found 6/30

$1,055

Best flights from Austin to Santiago de los Caballeros
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 July 3, 2025.

Wed 8/137:15 amAUS - STI

1 stop25h 00mSpirit Airlines

Wed 9/310:20 amSTI - AUS

1 stop11h 25mSpirit Airlines

Deal found 7/1

$351

Thu 7/175:20 amAUS - STI

1 stop14h 59mAmerican Airlines

Mon 7/281:30 pmSTI - AUS

1 stop11h 44mAmerican Airlines

Deal found 7/3

$491

Thu 10/235:30 amAUS - STI

2 stops12h 08mDelta

Wed 10/299:03 pmSTI - AUS

2 stops21h 10mDelta

Deal found 7/3

$495

Sun 7/137:30 amAUS - STI

2 stops28h 21mMultiple Airlines

Wed 8/1310:20 amSTI - AUS

1 stop11h 25mMultiple Airlines

Deal found 6/30

$545

Wed 7/1611:20 amAUS - STI

2 stops13h 26mUnited Airlines

Mon 7/286:00 amSTI - AUS

2 stops12h 05mUnited Airlines

Deal found 7/2

$938

Sun 7/135:10 pmAUS - STI

1 stop15h 53mJetBlue

Tue 8/122:17 amSTI - AUS

2 stops14h 55mJetBlue

Deal found 6/30

$1,055

Last-minute flights from Austin to Santiago de los Caballeros
Discover last-minute flight deals from Austin to Santiago de los Caballeros. Data last updated July 3, 2025 and is based on user searches.

Sat 7/57:20 amAUS - STI

1 stop16h 22mDelta

Mon 7/78:58 pmSTI - AUS

1 stop14h 04mDelta

Deal found 7/1

$602

Sat 7/59:37 amAUS - STI

2 stops15h 09mUnited Airlines

Mon 7/72:07 pmSTI - AUS

2 stops22h 37mUnited Airlines

Deal found 7/1

$889

Thu 7/106:40 amAUS - STI

2 stops17h 07mDelta

Mon 7/148:58 pmSTI - AUS

1 stop18h 45mDelta

Deal found 7/2

$606

Sun 7/137:30 amAUS - STI

1 stop25h 20mSpirit Airlines

Wed 8/1310:20 amSTI - AUS

1 stop11h 25mSpirit Airlines

Deal found 6/30

$526

Sun 7/137:30 amAUS - STI

2 stops28h 21mMultiple Airlines

Wed 8/1310:20 amSTI - AUS

1 stop11h 25mMultiple Airlines

Deal found 6/30

$545

Sun 7/135:10 pmAUS - STI

1 stop15h 53mJetBlue

Tue 8/122:17 amSTI - AUS

2 stops14h 55mJetBlue

Deal found 6/30

$1,055

Wed 8/137:15 amAUS - STI

1 stop25h 00mSpirit Airlines

Wed 9/310:20 amSTI - AUS

1 stop11h 25mSpirit Airlines

Deal found 7/1

$351

Wed 8/138:53 amAUS - STI

2 stops10h 55mAmerican Airlines

Wed 9/31:29 pmSTI - AUS

2 stops20h 50mAmerican Airlines

Deal found 7/1

$495

Cheapflights Fare Finder

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

Price

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Wed 8/13

7:15 am-9:15 am

1 stop25h 00m

Santiago de los Caballeros

Wed 9/3

10:20 am-8:45 pm

1 stop11h 25m

$351

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Wed 8/13

8:53 am-8:48 pm

2 stops10h 55m

Santiago de los Caballeros

Wed 9/3

1:29 pm-9:19 am

2 stops20h 50m

$495

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Sun 7/13

7:30 am-12:51 pm

2 stops28h 21m

Santiago de los Caballeros

Wed 8/13

10:20 am-8:45 pm

1 stop11h 25m

$545

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Thu 7/10

6:40 am-12:47 am

2 stops17h 07m

Santiago de los Caballeros

Mon 7/14

8:58 pm-2:43 pm

1 stop18h 45m

$606

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Wed 7/16

11:20 am-1:46 am

2 stops13h 26m

Santiago de los Caballeros

Mon 7/28

6:00 am-5:05 pm

2 stops12h 05m

$938

AustinSantiago de los Caballeros

AUS - STI

AUSSTI

Austin Bergstrom

Sun 7/13

5:10 pm-10:03 am

1 stop15h 53m

Santiago de los Caballeros

Tue 8/12

2:17 am-4:12 pm

2 stops14h 55m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

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, May is the cheapest month in which you can book a flight from Austin to Santiago de los Caballeros (average of $347). Flying from Austin to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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?

Reviews of airlines servicing Santiago de los Caballeros

See what other customers who have flown with Delta, United Airlines, and JetBlue 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.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,086 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Austin to Santiago de los Caballeros round-trip?
Cheapflights users have booked flights from Austin to Santiago de los Caballeros round-trip from $351. Other airlines that can offer you cheap pricing are American Airlines, from $491, and Delta, from $495. Spirit Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Austin to Santiago de los Caballeros that include hotel bookings?
Yes. In addition to deals on Austin to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Santiago de los Caballeros?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Santiago de los Caballeros.
Can I find deals for business class flights from Austin to Santiago de los Caballeros?
Yes. Cheapflights offers flight deals from Austin to Santiago de los Caballeros 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 Austin to Santiago de los Caballeros?
Currently, May is the cheapest month in which you can book a flight from Austin to Santiago de los Caballeros (average of $347). Flying from Austin to Santiago de los Caballeros in July is currently the most expensive (average of $629). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Austin to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$342	Average$406	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$378	Average$450	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$455	Average$627	FlexibilityNo cancel fee	On-time71%

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$351+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Santiago de los Caballeros with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Austin to Santiago de los Caballeros

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Austin to Santiago de los Caballeros

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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Santiago de los Caballeros that are best for you.

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.

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?

How much does it cost to fly round-trip from Austin to Santiago de los Caballeros?

Reviews of airlines servicing Santiago de los Caballeros

See what other customers who have flown with Delta, United Airlines, and JetBlue 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.

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.

What are the cheapest airlines flying from Austin to Santiago de los Caballeros round-trip?

Can I find deals for flights from Austin to Santiago de los Caballeros that include hotel bookings?

How can I find direct flights from Austin to Santiago de los Caballeros?

Can I find deals for business class flights from Austin to Santiago de los Caballeros?

What is the cheapest month to book a flight from Austin to Santiago de los Caballeros?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Austin to Santiago de los Caballeros

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Cheapest flights from Austin to Santiago de los Caballeros
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 July 3, 2025.