What is the cheapest month to book a flight from South Dakota to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from South Dakota to Saint Thomas Island (average of $433). Flying from South Dakota to Saint Thomas Island in June is currently the most expensive (average of $640). 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.

What is the cheapest month to fly from South Dakota to Saint Thomas Island?

August is one of the best times of the year to fly to Saint Thomas Island from South Dakota. Prices for August average $791 per person but you can even find prices for as low as $475. The most expensive prices can be found in the month of June. Opting for a August flight can save you 91% on your journey compared to booking in June

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.

$288+ Flights from South Dakota to Saint Thomas Island

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Cheap flight deals from South Dakota to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$509 (American Airlines)
One-way from	$288 (Delta)
Popular in	June
Cheapest in	August
Average price	$759

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

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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

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One-way flight from South Dakota to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 47% potential increase in price ($725 potential increase over avg. RT price).

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Cheapest flight prices on average. 11% potential price decrease ($81 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find 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 April 2, 2025.

Fri 5/95:45 pmFSD - STT

2 stops21h 35mAmerican Airlines

Fri 5/233:19 pmSTT - FSD

2 stops22h 43mAmerican Airlines

Deal found 3/31

$509

Fri 5/95:27 amFSD - STT

1 stop8h 43mDelta

Fri 5/232:51 pmSTT - FSD

1 stop9h 34mDelta

Deal found 3/31

$584

Mon 4/1411:12 amFSD - STT

1 stop21h 48mMultiple Airlines

Tue 7/82:59 pmSTT - FSD

2 stops22h 53mMultiple Airlines

Deal found 3/31

$673

Sat 5/108:00 amFSD - STT

1 stop8h 00mUnited Airlines

Sat 5/244:00 pmSTT - FSD

2 stops21h 56mUnited Airlines

Deal found 3/31

$749

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 April 2, 2025.

Fri 5/95:45 pmFSD - STT

2 stops21h 35mAmerican Airlines

Fri 5/233:19 pmSTT - FSD

2 stops22h 43mAmerican Airlines

Deal found 3/31

$509

Fri 5/95:27 amFSD - STT

1 stop8h 43mDelta

Fri 5/232:51 pmSTT - FSD

1 stop9h 34mDelta

Deal found 3/31

$584

Mon 4/1411:12 amFSD - STT

1 stop21h 48mMultiple Airlines

Tue 7/82:59 pmSTT - FSD

2 stops22h 53mMultiple Airlines

Deal found 3/31

$673

Sat 5/108:00 amFSD - STT

1 stop8h 00mUnited Airlines

Sat 5/244:00 pmSTT - FSD

2 stops21h 56mUnited Airlines

Deal found 3/31

$749

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 April 2, 2025 and is based on user searches.

Mon 4/75:30 pmFSD - STT

2 stops20h 56mAmerican Airlines

Mon 4/145:50 pmSTT - FSD

2 stops19h 58mAmerican Airlines

Deal found 4/1

$761

Mon 4/75:19 amFSD - STT

2 stops8h 40mDelta

Mon 4/143:00 pmSTT - FSD

1 stop9h 16mDelta

Deal found 4/1

$796

Mon 4/78:00 amFSD - STT

3 stops30h 43mUnited Airlines

Mon 4/144:45 pmSTT - FSD

2 stops30h 27mUnited Airlines

Deal found 4/1

$1,200

Mon 4/1411:12 amFSD - STT

1 stop21h 48mMultiple Airlines

Tue 7/82:59 pmSTT - FSD

2 stops22h 53mMultiple Airlines

Deal found 3/31

$673

Fri 5/95:45 pmFSD - STT

2 stops21h 35mAmerican Airlines

Fri 5/233:19 pmSTT - FSD

2 stops22h 43mAmerican Airlines

Deal found 3/31

$509

Fri 5/95:27 amFSD - STT

1 stop8h 43mDelta

Fri 5/232:51 pmSTT - FSD

1 stop9h 34mDelta

Deal found 3/31

$584

Sat 5/108:00 amFSD - STT

1 stop8h 00mUnited Airlines

Sat 5/244:00 pmSTT - FSD

2 stops21h 56mUnited Airlines

Deal found 3/31

$749

One-way flights from South Dakota to Saint Thomas Island
Search for one-way flight options from South Dakota to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

Wed 9/245:25 amFSD - STT

1 stop7h 14mDelta

Deal found 4/2

$288

Wed 9/245:52 pmFSD - STT

3 stops17h 58mAmerican Airlines

Deal found 4/2

$540

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

Fri 5/9

5:45 pm-4:20 pm

2 stops21h 35m

Saint Thomas Island Cyril E King

Fri 5/23

3:19 pm-1:02 pm

2 stops22h 43m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Fri 5/9

5:27 am-3:10 pm

1 stop8h 43m

Saint Thomas Island Cyril E King

Fri 5/23

2:51 pm-11:25 pm

1 stop9h 34m

$584

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Mon 4/14

11:12 am-10:00 am

1 stop21h 48m

Saint Thomas Island Cyril E King

Tue 7/8

2:59 pm-12:52 pm

2 stops22h 53m

$673

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sat 5/10

8:00 am-5:00 pm

1 stop8h 00m

Saint Thomas Island Cyril E King

Sat 5/24

4:00 pm-12:56 pm

2 stops21h 56m

$749

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 9/24

5:25 am-1:39 pm

1 stop7h 14m

$288

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 9/24

5:52 pm-12:50 pm

3 stops17h 58m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta, United Airlines and American Airlines from South Dakota to Saint Thomas Island have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,898 reviews

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,616 reviews

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,898 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
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.
What is the cheapest month to book a flight from South Dakota to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from South Dakota to Saint Thomas Island (average of $433). Flying from South Dakota to Saint Thomas Island in June is currently the most expensive (average of $640). 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

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$475	Average$540	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$614	Average$747	FlexibilityNo cancel fee	On-time71%

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$288+ Cheap flights from South Dakota to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. 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

Keep the following information in mind while searching for South Dakota to Saint Thomas Island flight deals. Data was last updated April 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 April 2, 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 April 2, 2025.

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

Reviews of airlines servicing 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?

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?

What is the cheapest month to book a flight from South Dakota to Saint Thomas Island?

Traveling to a place near South Dakota?

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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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Travel Smart

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 April 2, 2025.