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Cheap flights from Sioux Falls to Santiago de los Caballeros from $735

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 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
9:42 am - 12:57 pm
FSD
-
STI
26h 15m
2 stops
United Airlines Logo
6:00 am - 11:11 pm
STI
-
FSD
18h 11m
2 stops
$735United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
9:42 am - 12:57 pm
FSD
-
STI
26h 15m
2 stops
United Airlines Logo
4:23 pm - 11:11 pm
STI
-
FSD
31h 48m
2 stops
$754United Airlines
Sat, Sep 26 - Wed, Sep 30
American Airlines Logo
5:34 pm - 2:44 pm
FSD
-
STI
20h 10m
2 stops
American Airlines Logo
3:44 pm - 12:17 pm
STI
-
FSD
21h 33m
2 stops
$825American Airlines
Tue, Jul 28 - Tue, Aug 4
United Airlines Logo
5:05 pm - 10:52 pm
FSD
-
STI
28h 47m
2 stops
United Airlines Logo
2:07 pm - 10:43 am
STI
-
FSD
21h 36m
2 stops
$880United Airlines
Fri, Jul 3 - Mon, Aug 10
United Airlines Logo
5:05 pm - 10:52 pm
FSD
-
STI
28h 47m
2 stops
United Airlines Logo
4:23 pm - 11:31 pm
STI
-
FSD
32h 08m
2 stops
$910United Airlines
Thu, Jul 2 - Mon, Jul 6
American Airlines Logo
4:43 pm - 12:24 pm
FSD
-
STI
18h 41m
2 stops
American Airlines Logo
7:00 am - 12:30 am
STI
-
FSD
18h 30m
3 stops
$1,846American Airlines
Fri, Jul 3 - Mon, Aug 10
American Airlines Logo
4:43 pm - 12:24 pm
FSD
-
STI
18h 41m
2 stops
American Airlines Logo
7:00 am - 12:30 am
STI
-
FSD
18h 30m
3 stops
$1,869American Airlines
Fri, Jul 3 - Mon, Aug 10
American Airlines Logo
6:00 am - 9:28 pm
FSD
-
STI
14h 28m
3 stops
American Airlines Logo
7:00 am - 12:30 am
STI
-
FSD
18h 30m
3 stops
$1,885American Airlines
Fri, Jul 3 - Mon, Aug 10
American Airlines Logo
6:00 am - 9:28 pm
FSD
-
STI
14h 28m
3 stops
American Airlines Logo
7:00 am - 12:30 am
STI
-
FSD
18h 30m
3 stops
$2,286American Airlines
Fri, Jul 3 - Mon, Aug 10
American Airlines Logo
7:06 am - 9:29 pm
FSD
-
STI
13h 23m
3 stops
American Airlines Logo
9:00 am - 9:58 pm
STI
-
FSD
13h 58m
2 stops
$2,309American Airlines
Tue, Jul 28 - Tue, Aug 4

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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
Jul 28
FSD5:34 pmSioux Falls Joe Foss Field
20h 10m
2 stops
STI2:44 pmSantiago de los Caballeros
Aug 4
STI3:44 pmSantiago de los Caballeros
21h 33m
2 stops
FSD12:17 pmSioux Falls Joe Foss Field
$825
American Airlines
Jul 3
FSD4:43 pmSioux Falls Joe Foss Field
18h 41m
2 stops
STI12:24 pmSantiago de los Caballeros
Aug 10
STI7:00 amSantiago de los Caballeros
18h 30m
3 stops
FSD12:30 amSioux Falls Joe Foss Field
$1,846
American Airlines
Jul 3
FSD4:43 pmSioux Falls Joe Foss Field
18h 41m
2 stops
STI12:24 pmSantiago de los Caballeros
Aug 10
STI7:00 amSantiago de los Caballeros
18h 30m
3 stops
FSD12:30 amSioux Falls Joe Foss Field
$1,869

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
Sep 26
FSD9:42 amSioux Falls Joe Foss Field
26h 15m
2 stops
STI12:57 pmSantiago de los Caballeros
Sep 30
STI6:00 amSantiago de los Caballeros
18h 11m
2 stops
FSD11:11 pmSioux Falls Joe Foss Field
$735
United Airlines
Sep 26
FSD9:42 amSioux Falls Joe Foss Field
26h 15m
2 stops
STI12:57 pmSantiago de los Caballeros
Sep 30
STI4:23 pmSantiago de los Caballeros
31h 48m
2 stops
FSD11:11 pmSioux Falls Joe Foss Field
$754
United Airlines
Jul 3
FSD5:05 pmSioux Falls Joe Foss Field
28h 47m
2 stops
STI10:52 pmSantiago de los Caballeros
Aug 10
STI2:07 pmSantiago de los Caballeros
21h 36m
2 stops
FSD10:43 amSioux Falls Joe Foss Field
$880

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 June 14, 2026.
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

Cheapest round-trip

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Sat 9/26

9:42 am-12:57 pm

2 stops26h 15m

Santiago de los Caballeros

Wed 9/30

6:00 am-11:11 pm

2 stops18h 11m

$735

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Sat 9/26

9:42 am-12:57 pm

2 stops26h 15m

Santiago de los Caballeros

Wed 9/30

4:23 pm-11:11 pm

2 stops31h 48m

$754

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Tue 7/28

5:34 pm-2:44 pm

2 stops20h 10m

Santiago de los Caballeros

Tue 8/4

3:44 pm-12:17 pm

2 stops21h 33m

$825

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Fri 7/3

5:05 pm-10:52 pm

2 stops28h 47m

Santiago de los Caballeros

Mon 8/10

2:07 pm-10:43 am

2 stops21h 36m

$880

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Thu 7/2

5:05 pm-10:52 pm

2 stops28h 47m

Santiago de los Caballeros

Mon 7/6

4:23 pm-11:31 pm

2 stops32h 08m

$910

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Fri 7/3

4:43 pm-12:24 pm

2 stops18h 41m

Santiago de los Caballeros

Mon 8/10

7:00 am-12:30 am

3 stops18h 30m

$1,846

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Fri 7/3

4:43 pm-12:24 pm

2 stops18h 41m

Santiago de los Caballeros

Mon 8/10

7:00 am-12:30 am

3 stops18h 30m

$1,869

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Fri 7/3

6:00 am-9:28 pm

3 stops14h 28m

Santiago de los Caballeros

Mon 8/10

7:00 am-12:30 am

3 stops18h 30m

$1,885

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Fri 7/3

6:00 am-9:28 pm

3 stops14h 28m

Santiago de los Caballeros

Mon 8/10

7:00 am-12:30 am

3 stops18h 30m

$2,286
Quickest round-trip

Sioux FallsSantiago de los Caballeros

FSD - STI

FSDSTI

Sioux Falls Joe Foss Field

Tue 7/28

7:06 am-9:29 pm

3 stops13h 23m

Santiago de los Caballeros

Tue 8/4

9:00 am-9:58 pm

2 stops13h 58m

$2,309

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

Fastest flight time

18h 52m

Direct flights

None
The fastest flight from Sioux Falls to Santiago de los Caballeros takes 18h 52m
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.
Search flight deals

Frequently asked questions about flying from Sioux Falls to Santiago de los Caballeros

  • 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 18h 52m, 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.

Frequently asked questions about flying from Sioux Falls to Santiago de los Caballeros

  • 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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