How long is the flight from South Dakota to Saint Thomas Island?

There are many flights that can get you from South Dakota to Saint Thomas Island in 17h 21m. Fly via American Airlines to get the fastest option. There are 2536 mi between South Dakota and Saint Thomas Island.

What is the cheapest time of day to fly from SD to STT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Saint Thomas Island as you normally would.

How can I find direct flights from South Dakota to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Saint Thomas Island.

Can I find deals for business class flights from South Dakota to Saint Thomas Island?

Yes. Cheapflights offers flight deals from South Dakota to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$512+ Flights from South Dakota to Saint Thomas Island

Q: How much does it cost to fly round-trip from South Dakota to Saint Thomas Island?

Airfare is below average for this route at the moment. South Dakota to Saint Thomas Island flights typically cost between $800 and $1,060 in February. The cheapest round-trip price found within the last 3 days was $512 on American Airlines (Feb 25-Mar 2).

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Cheap flight deals from South Dakota to Saint Thomas Island

Cheapest flights from South Dakota to Saint Thomas Island
Explore the most affordable flight options available from South Dakota to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Wed 2/257:42 pm

FSD

STT

1 stop17h 21m

American Airlines

Mon 3/26:25 pm

STT

FSD

2 stops20h 12m

American Airlines

Deal found 1/18

$512

Tue 3/32:08 pm

FSD

STT

2 stops20h 04m

American Airlines

Tue 3/1012:02 pm

STT

FSD

2 stops11h 53m

American Airlines

Deal found 1/18

$530

Thu 2/195:20 pm

FSD

STT

2 stops20h 27m

American Airlines

Sun 2/226:25 pm

STT

FSD

2 stops19h 17m

American Airlines

Deal found 1/18

$552

Thu 2/195:40 pm

FSD

STT

1 stop18h 51m

Multiple Airlines

Sun 2/225:40 pm

STT

FSD

1 stop25h 44m

Multiple Airlines

Deal found 1/18

$597

Wed 2/45:35 pm

FSD

STT

2 stops18h 27m

American Airlines

Sun 2/86:39 pm

STT

FSD

2 stops20h 14m

American Airlines

Deal found 1/20

$643

Wed 2/255:08 am

FSD

STT

1 stop9h 14m

Delta

Mon 3/24:15 pm

STT

FSD

1 stop9h 15m

Delta

Deal found 1/20

$694

Wed 4/291:46 pm

FSD

STT

2 stops20h 49m

American Airlines

Sun 5/34:34 pm

STT

FSD

2 stops21h 27m

American Airlines

Deal found 1/18

$704

Mon 1/196:15 pm

FSD

STT

2 stops19h 41m

American Airlines

Mon 1/266:39 pm

STT

FSD

2 stops19h 12m

American Airlines

Deal found 1/18

$752

Wed 2/45:00 am

FSD

STT

2 stops9h 20m

Delta

Sun 2/83:10 pm

STT

FSD

1 stop10h 00m

Delta

Deal found 1/20

$832

Mon 1/195:35 pm

FSD

STT

2 stops17h 35m

American Airlines

Sun 1/254:47 pm

STT

FSD

2 stops21h 04m

American Airlines

Deal found 1/18

$842

Mon 1/195:00 am

FSD

STT

2 stops9h 10m

Delta

Mon 1/263:10 pm

STT

FSD

1 stop10h 00m

Delta

Deal found 1/18

$922

Best flights from South Dakota to Saint Thomas Island
Discover carefully curated flight deals from South Dakota to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 20, 2026.

Wed 2/257:42 pm

FSD

STT

1 stop17h 21m

American Airlines

Mon 3/26:25 pm

STT

FSD

2 stops20h 12m

American Airlines

Deal found 1/18

$512

Thu 2/195:40 pm

FSD

STT

1 stop18h 51m

Multiple Airlines

Sun 2/225:40 pm

STT

FSD

1 stop25h 44m

Multiple Airlines

Deal found 1/18

$597

Tue 3/32:08 pm

FSD

STT

2 stops20h 04m

American Airlines

Tue 3/1012:02 pm

STT

FSD

2 stops11h 53m

American Airlines

Deal found 1/18

$530

Thu 2/197:42 pm

FSD

STT

1 stop17h 21m

American Airlines

Sun 2/226:25 pm

STT

FSD

2 stops21h 11m

American Airlines

Deal found 1/18

$552

Wed 2/45:35 pm

FSD

STT

2 stops18h 27m

American Airlines

Sun 2/86:39 pm

STT

FSD

2 stops20h 14m

American Airlines

Deal found 1/20

$643

Last-minute flights from South Dakota to Saint Thomas Island
Discover last-minute flight deals from South Dakota to Saint Thomas Island. Data last updated January 20, 2026 and is based on user searches.

Wed 2/45:35 pm

FSD

STT

2 stops18h 27m

American Airlines

Sun 2/86:39 pm

STT

FSD

2 stops20h 14m

American Airlines

Deal found 1/20

$643

Wed 2/45:00 am

FSD

STT

2 stops9h 20m

Delta

Sun 2/83:10 pm

STT

FSD

1 stop10h 00m

Delta

Deal found 1/20

$832

Thu 2/197:42 pm

FSD

STT

1 stop17h 21m

American Airlines

Sun 2/226:25 pm

STT

FSD

2 stops21h 11m

American Airlines

Deal found 1/18

$552

Thu 2/195:40 pm

FSD

STT

1 stop18h 51m

Multiple Airlines

Sun 2/225:40 pm

STT

FSD

1 stop25h 44m

Multiple Airlines

Deal found 1/18

$597

Mon 2/233:15 pm

FSD

STT

2 stops20h 41m

United Airlines

Wed 2/253:05 pm

STT

FSD

2 stops23h 50m

United Airlines

Deal found 1/19

$925

Wed 2/252:08 pm

FSD

STT

2 stops20h 04m

American Airlines

Mon 3/25:42 pm

STT

FSD

2 stops20h 00m

American Airlines

Deal found 1/18

$512

Wed 2/255:08 am

FSD

STT

1 stop9h 14m

Delta

Mon 3/24:15 pm

STT

FSD

1 stop9h 15m

Delta

Deal found 1/19

$694

Find flight deals from South Dakota to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$512 (American Airlines)
Popular in	January
Cheapest in	May
Average price	$1,083

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Saint Thomas Island Cyril E King flights.

Search Deals

From South Dakota to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($115 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

7:42 pm-3:03 pm

1 stop17h 21m

Saint Thomas Island Cyril E King

Mon 3/2

6:25 pm-12:37 pm

2 stops20h 12m

$512

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Tue 3/3

2:08 pm-12:12 pm

2 stops20h 04m

Saint Thomas Island Cyril E King

Tue 3/10

12:02 pm-10:55 pm

2 stops11h 53m

$530

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 2/19

7:42 pm-3:03 pm

1 stop17h 21m

Saint Thomas Island Cyril E King

Sun 2/22

6:25 pm-1:36 pm

2 stops21h 11m

$552

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 2/19

5:40 pm-2:31 pm

1 stop18h 51m

Saint Thomas Island Cyril E King

Sun 2/22

5:40 pm-5:24 pm

1 stop25h 44m

$597

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/4

5:35 pm-2:02 pm

2 stops18h 27m

Saint Thomas Island Cyril E King

Sun 2/8

6:39 pm-12:53 pm

2 stops20h 14m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Best time to book a flight from South Dakota to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from South Dakota 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 South Dakota to Saint Thomas Island

How much does it cost to fly round-trip from South Dakota to Saint Thomas Island?

Related info for your journey

What airport do you fly into for flights to Saint Thomas Island from South Dakota?
Saint Thomas Island Cyril E King (STT) is the airport you will fly into if you book a flight from South Dakota to Saint Thomas Island. It is only a 2.8 mi journey from Cyril E King (STT) to Saint Thomas Island’s city center.
How long is the flight from South Dakota to Saint Thomas Island?
There are many flights that can get you from South Dakota to Saint Thomas Island in 17h 21m. Fly via American Airlines to get the fastest option. There are 2536 mi between South Dakota and Saint Thomas Island.
Can I find deals for flights from South Dakota to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on South Dakota to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Saint Thomas Island.
Can I find deals for business class flights from South Dakota to Saint Thomas Island?
Yes. Cheapflights offers flight deals from South Dakota to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

St. John

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Top 2 airlines flying from South Dakota to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$509	Average$734	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$566	Average$729	FlexibilityNo cancel fee	On-time71%

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$512+ Cheap flights from South Dakota to Saint Thomas Island (STT)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Saint Thomas Island

Cheapest flights from South Dakota to Saint Thomas IslandExplore the most affordable flight options available from South Dakota to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Explore the most affordable flight options available from South Dakota to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Find flight deals from South Dakota to Saint Thomas Island

Keep the following information in mind while searching for South Dakota to Saint Thomas Island flight deals. Data was last updated January 20, 2026.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Saint Thomas Island that are best for you.

Best time to book a flight from South Dakota to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Saint Thomas Island

How much does it cost to fly round-trip from South Dakota to Saint Thomas Island?

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Saint Thomas Island from South Dakota?

How long is the flight from South Dakota to Saint Thomas Island?

Can I find deals for flights from South Dakota to Saint Thomas Island that include hotel bookings?

How can I find direct flights from South Dakota to Saint Thomas Island?

Can I find deals for business class flights from South Dakota to Saint Thomas Island?

Traveling to a place near Saint Thomas Island?

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Alternative routes for South Dakota to Saint Thomas Island

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Top 2 airlines flying from South Dakota to Saint Thomas Island

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Cheapest flights from South Dakota to Saint Thomas Island
Explore the most affordable flight options available from South Dakota to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.