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 20h 58m. 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.

$421+ 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 $751 and $760 in January. The cheapest round-trip price found within the last 3 days was $421 on Multiple Airlines (Jan 5-Jan 11).

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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 December 7, 2025.

Tue 12/93:42 pmFSD - STT

2 stops23h 06mAmerican Airlines

Tue 12/166:17 pmSTT - FSD

2 stops20h 06mAmerican Airlines

Deal found 12/5

$821

Sat 12/205:16 pmFSD - STT

2 stops22h 23mAmerican Airlines

Sat 12/276:36 pmSTT - FSD

2 stops19h 52mAmerican Airlines

Deal found 12/5

$889

Tue 12/95:05 amFSD - STT

1 stop7h 31mDelta

Tue 12/163:50 pmSTT - FSD

1 stop9h 24mDelta

Deal found 12/6

$909

Tue 12/98:00 amFSD - STT

3 stops27h 12mUnited Airlines

Thu 12/111:02 pmSTT - FSD

2 stops12h 41mUnited Airlines

Deal found 12/6

$1,009

Tue 12/95:05 amFSD - STT

1 stop7h 31mDelta

Thu 12/113:54 pmSTT - FSD

1 stop9h 20mDelta

Deal found 12/6

$1,039

Tue 12/98:00 amFSD - STT

3 stops27h 12mUnited Airlines

Tue 12/162:15 pmSTT - FSD

2 stops24h 36mUnited Airlines

Deal found 12/5

$1,066

Wed 12/247:30 amFSD - STT

1 stop30h 48mUnited Airlines

Wed 12/315:20 pmSTT - FSD

2 stops21h 30mUnited Airlines

Deal found 12/6

$1,178

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 December 7, 2025.

Mon 1/510:42 amFSD - STT

2 stops22h 49mMultiple Airlines

Sun 1/115:42 pmSTT - FSD

2 stops24h 25mMultiple Airlines

Deal found 12/4

$421

Wed 2/255:41 pmFSD - STT

2 stops19h 54mAmerican Airlines

Mon 3/25:32 pmSTT - FSD

2 stops21h 01mAmerican Airlines

Deal found 12/5

$509

Sun 3/157:42 pmFSD - STT

1 stop17h 21mAmerican Airlines

Thu 3/195:37 pmSTT - FSD

2 stops18h 59mAmerican Airlines

Deal found 12/5

$579

Mon 2/235:41 pmFSD - STT

2 stops19h 39mAmerican Airlines

Fri 2/275:32 pmSTT - FSD

2 stops20h 17mAmerican Airlines

Deal found 12/6

$579

Thu 3/127:42 pmFSD - STT

1 stop17h 21mAmerican Airlines

Fri 3/205:37 pmSTT - FSD

2 stops18h 59mAmerican Airlines

Deal found 12/5

$886

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 December 7, 2025 and is based on user searches.

Tue 12/95:18 pmFSD - STT

2 stops20h 08mAmerican Airlines

Tue 12/166:17 pmSTT - FSD

2 stops20h 06mAmerican Airlines

Deal found 12/6

$821

Tue 12/95:05 amFSD - STT

1 stop7h 31mDelta

Tue 12/163:50 pmSTT - FSD

1 stop9h 24mDelta

Deal found 12/6

$909

Tue 12/98:00 amFSD - STT

3 stops27h 12mUnited Airlines

Thu 12/111:02 pmSTT - FSD

2 stops12h 41mUnited Airlines

Deal found 12/6

$1,009

Sat 12/205:16 pmFSD - STT

2 stops22h 23mAmerican Airlines

Sat 12/276:36 pmSTT - FSD

2 stops19h 52mAmerican Airlines

Deal found 12/5

$889

Mon 1/510:42 amFSD - STT

2 stops22h 49mMultiple Airlines

Sun 1/115:42 pmSTT - FSD

2 stops24h 25mMultiple Airlines

Deal found 12/4

$421

Mon 1/510:41 amFSD - STT

2 stops24h 29mAmerican Airlines

Sun 1/116:39 pmSTT - FSD

2 stops20h 14mAmerican Airlines

Deal found 12/4

$509

Find flight deals from South Dakota to Saint Thomas Island

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$421 (Mytrip)
Popular in	January
Cheapest in	May
Average price	$756

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.

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From South Dakota to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

Mon 1/5

10:42 am-11:31 am

2 stops22h 49m

Saint Thomas Island Cyril E King

Sun 1/11

5:42 pm-4:07 pm

2 stops24h 25m

$421

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

5:41 pm-3:35 pm

2 stops19h 54m

Saint Thomas Island Cyril E King

Mon 3/2

5:32 pm-12:33 pm

2 stops21h 01m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sun 3/15

7:42 pm-2:03 pm

1 stop17h 21m

Saint Thomas Island Cyril E King

Thu 3/19

5:37 pm-11:36 am

2 stops18h 59m

$579

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Mon 2/23

5:41 pm-3:20 pm

2 stops19h 39m

Saint Thomas Island Cyril E King

Fri 2/27

5:32 pm-11:49 am

2 stops20h 17m

$579

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 3/12

7:42 pm-2:03 pm

1 stop17h 21m

Saint Thomas Island Cyril E King

Fri 3/20

5:37 pm-11:36 am

2 stops18h 59m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 20h 58m. 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

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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$754	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$566	Average$734	FlexibilityNo cancel fee	On-time71%

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$421+ 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 1/5. 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 December 7, 2025.

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 December 7, 2025.

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 December 7, 2025.

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 December 7, 2025.