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Cheap flights from Sioux Falls to Santiago de los Caballeros from $917

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Santiago de los Caballeros departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sioux Falls to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 pm - 1:53 pmFSD-STI
18h 33m2 stops
United Airlines Logo
3:00 pm - 10:37 amSTI-FSD
20h 37m2 stops
$917United Airlines
Find Deal
Thu, Mar 12 - Sat, Mar 28
Delta Logo
5:14 am - 1:08 amFSD-STI
17h 54m2 stops
Delta Logo
3:30 am - 11:08 pmSTI-FSD
21h 38m2 stops
$1,097Delta
Find Deal
Tue, Dec 16 - Wed, Dec 31
United Airlines Logo
8:00 am - 11:46 amFSD-STI
25h 46m3 stops
United Airlines Logo
6:00 am - 9:56 pmSTI-FSD
17h 56m2 stops
$1,428United Airlines
Find Deal
Tue, Dec 16 - Thu, Jan 1
American Airlines Logo
5:53 am - 8:03 pmFSD-STI
13h 10m3 stops
American Airlines Logo
7:00 am - 10:14 pmSTI-FSD
16h 14m2 stops
$2,698American Airlines
Find Deal
Thu, Mar 12 - Sat, Mar 28
American Airlines Logo
6:56 am - 8:03 pmFSD-STI
12h 07m3 stops
American Airlines Logo
7:00 am - 8:55 pmSTI-FSD
14h 55m3 stops
$2,760American Airlines
Find Deal
Thu, Mar 12 - Sat, Mar 28

United Airlines flights from Sioux Falls to Santiago de los Caballeros

Our best United Airlines deals on Sioux Falls to Santiago de los Caballeros flight tickets
United Airlines
Mar 12
FSD6:20 pmSioux Falls Joe Foss Field
18h 33m
2 stops
STI1:53 pmSantiago de los Caballeros
Mar 28
STI3:00 pmSantiago de los Caballeros
20h 37m
2 stops
FSD10:37 amSioux Falls Joe Foss Field
$917
Find similar
United Airlines
Dec 16
FSD8:00 amSioux Falls Joe Foss Field
25h 46m
3 stops
STI11:46 amSantiago de los Caballeros
Jan 1
STI6:00 amSantiago de los Caballeros
17h 56m
2 stops
FSD9:56 pmSioux Falls Joe Foss Field
$1,428
Find similar

American Airlines flights from Sioux Falls to Santiago de los Caballeros

Our best American Airlines deals on Sioux Falls to Santiago de los Caballeros flight tickets
American Airlines
Mar 12
FSD5:53 amSioux Falls Joe Foss Field
13h 10m
3 stops
STI8:03 pmSantiago de los Caballeros
Mar 28
STI7:00 amSantiago de los Caballeros
16h 14m
2 stops
FSD10:14 pmSioux Falls Joe Foss Field
$2,698
Find similar
American Airlines
Mar 12
FSD6:56 amSioux Falls Joe Foss Field
12h 07m
3 stops
STI8:03 pmSantiago de los Caballeros
Mar 28
STI7:00 amSantiago de los Caballeros
14h 55m
3 stops
FSD8:55 pmSioux Falls Joe Foss Field
$2,760
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Sioux Falls to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Thu 3/12

6:20 pm-1:53 pm

2 stops18h 33m

Santiago de los Caballeros

Sat 3/28

3:00 pm-10:37 am

2 stops20h 37m

$917

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Tue 12/16

5:14 am-1:08 am

2 stops17h 54m

Santiago de los Caballeros

Wed 12/31

3:30 am-11:08 pm

2 stops21h 38m

$1,097

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Tue 12/16

8:00 am-11:46 am

3 stops25h 46m

Santiago de los Caballeros

Thu 1/1

6:00 am-9:56 pm

2 stops17h 56m

$1,428

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Thu 3/12

5:53 am-8:03 pm

3 stops13h 10m

Santiago de los Caballeros

Sat 3/28

7:00 am-10:14 pm

2 stops16h 14m

$2,698

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Thu 3/12

6:56 am-8:03 pm

3 stops12h 07m

Santiago de los Caballeros

Sat 3/28

7:00 am-8:55 pm

3 stops14h 55m

$2,760

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Santiago de los Caballeros (FSD to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Santiago de los Caballeros

Direct flights

None
There are no direct flights from Sioux Falls to Santiago de los Caballeros. There are no popular flight routes from Sioux Falls to Santiago de los Caballeros.
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  • How far is Sioux Falls Joe Foss Field to Santiago de los Caballeros by plane?

    The distance between Sioux Falls Joe Foss Field and Santiago de los Caballeros is about 2242.9 mi. Flights usually cover this in 12h 07m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Santiago de los Caballeros Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Santiago de los Caballeros Airport were last updated today.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Santiago de los Caballeros Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The necessary travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Sioux Falls to Santiago de los Caballeros?

    Search flight deals from Sioux Falls to Santiago de los Caballeros. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Sioux Falls to Santiago de los Caballeros with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Santiago de los Caballeros?

It is quick and easy to find Sioux Falls to Santiago de los Caballeros flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santiago de los Caballeros that suits you.

Can I find flights from Sioux Falls to Santiago de los Caballeros with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sioux Falls to Santiago de los Caballeros flights to just show those with flexible booking policies.

How can momondo help me find flights from Sioux Falls to Santiago de los Caballeros?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sioux Falls to Santiago de los Caballeros.

I’m not ready to book a flight from Sioux Falls to Santiago de los Caballeros right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Santiago de los Caballeros, momondo offers a useful price alert feature which will track prices for flights to Santiago de los Caballeros from Sioux Falls and alert you when they change.

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