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Saint Thomas Island

$509+ Cheap flights from Sioux Falls (FSD) 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STT
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap flight deals from Sioux Falls to Saint Thomas Island

Cheapest flights from Sioux Falls to Saint Thomas Island
Explore the most affordable flight options available from Sioux Falls to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This American Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This American Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:16 pmFSD - STT
2 stops22h 23mAmerican Airlines
Sat 12/276:36 pmSTT - FSD
2 stops19h 52mAmerican Airlines
Deal found 12/6$889
This Delta deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:05 amFSD - STT
1 stop7h 31mDelta
Tue 12/163:50 pmSTT - FSD
1 stop9h 24mDelta
Deal found 12/7$901
This American Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:18 pmFSD - STT
2 stops20h 08mAmerican Airlines
Thu 12/116:17 pmSTT - FSD
2 stops17h 54mAmerican Airlines
Deal found 12/6$959
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Delta deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:05 amFSD - STT
1 stop7h 31mDelta
Thu 12/113:54 pmSTT - FSD
1 stop9h 20mDelta
Deal found 12/6$1,039
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:00 amFSD - STT
3 stops27h 12mUnited Airlines
Tue 12/162:15 pmSTT - FSD
2 stops24h 36mUnited Airlines
Deal found 12/7$1,066

Find flight deals from Sioux Falls to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$509
(American Airlines)

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.
Search Deals
From Sioux Falls Joe Foss Field to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($119 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Saint Thomas Island 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, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Sioux Falls to Saint Thomas Island that are best for you.

Fly from

Sioux Falls

Fly to

Saint Thomas Island

Route

Depart

Return

Price

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

1:23 pm-12:21 pm

2 stops20h 58m

Saint Thomas Island Cyril E King

Mon 3/2

6:36 pm-12:33 pm

2 stops19h 57m

$509

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

Wed 1/28

5:11 am-4:20 pm

1 stop9h 09m

Saint Thomas Island Cyril E King

Mon 2/2

4:15 pm-11:10 pm

1 stop8h 55m

$654

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

11:21 am-4:18 pm

1 stop26h 57m

Saint Thomas Island Cyril E King

Mon 3/2

3:05 pm-9:57 pm

1 stop8h 52m

$760

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Tue 3/17

5:31 pm-11:06 am

2 stops16h 35m

Saint Thomas Island Cyril E King

Sat 3/21

1:52 pm-11:40 am

2 stops22h 48m

$852

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

3:40 pm-11:36 am

2 stops20h 56m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Compare providers for flights from Sioux Falls to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Saint Thomas Island in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux Falls-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux Falls-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Saint Thomas Island

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

How much does it cost to fly round-trip from Sioux Falls to Saint Thomas Island?

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated December 8, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Sioux Falls to Saint Thomas Island to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls 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.

  • How long is the flight from Sioux Falls to Saint Thomas Island?

    Airlines like American Airlines fly from Sioux Falls to Saint Thomas Island in about 20h 58m. The time it takes to get you to your destination can typically vary by up to . The distance from Sioux Falls to Saint Thomas Island is about 2536 mi.

  • What are the cheapest airlines flying from Sioux Falls to Saint Thomas Island round-trip?

    Currently priced at $509, Delta will fly you from Sioux Falls to Saint Thomas Island and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $566. Users have found that Delta is 31% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sioux Falls to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls 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 Sioux Falls to Saint Thomas Island.

  • Can I find deals for business class flights from Sioux Falls to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Sioux Falls 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Top 2 airlines flying from Sioux Falls to Saint Thomas Island

Discover the top 2 airlines that operate flights from Sioux Falls to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$509Average$754FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$566Average$734FlexibilityNo cancel feeOn-time71%

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