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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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — STT
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$509
(American Airlines)

Popular in

June

Cheapest in

May
From Sioux Falls Joe Foss Field to Saint Thomas Island Cyril E King
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Find 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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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 12/95:36 pmFSD - STT
2 stops19h 59mAmerican Airlines
Tue 12/166:05 pmSTT - FSD
2 stops20h 17mAmerican Airlines
Deal found 8/19$509
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 12/85:36 pmFSD - STT
2 stops18h 19mAmerican Airlines
Thu 12/116:05 pmSTT - FSD
2 stops19h 32mAmerican Airlines
Deal found 8/18$689
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/161:02 pmSTT - FSD
2 stops12h 41mUnited Airlines
Deal found 8/18$749
This Delta deal was found by Cheapflights users on 8/18. 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 12/95:25 amFSD - STT
1 stop6h 57mDelta
Tue 12/163:32 pmSTT - FSD
1 stop8h 39mDelta
Deal found 8/18$877
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 12/85:25 amFSD - STT
1 stop6h 57mDelta
Thu 12/113:32 pmSTT - FSD
1 stop8h 39mDelta
Deal found 8/17$908
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 12/245:12 pmFSD - STT
2 stops16h 48mUnited Airlines
Wed 12/315:20 pmSTT - FSD
2 stops28h 49mUnited Airlines
Deal found 8/19$1,202
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 12/255:30 amFSD - STT
2 stops10h 05mAmerican Airlines
Thu 1/16:35 pmSTT - FSD
2 stops19h 46mAmerican Airlines
Deal found 8/18$1,489

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 August 20, 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

Tue 12/9

4:12 pm-1:55 pm

2 stops19h 43m

Saint Thomas Island Cyril E King

Tue 12/16

6:05 pm-12:22 pm

2 stops20h 17m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sat 2/7

1:28 pm-12:10 pm

2 stops20h 42m

Saint Thomas Island Cyril E King

Fri 2/13

4:30 pm-12:12 pm

2 stops21h 42m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sat 1/17

12:27 pm-11:50 am

2 stops21h 23m

Saint Thomas Island Cyril E King

Sat 1/31

6:35 pm-12:24 pm

2 stops19h 49m

$544

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sat 1/31

5:33 pm-1:45 pm

2 stops18h 12m

Saint Thomas Island Cyril E King

Sat 2/7

4:25 pm-12:24 pm

2 stops21h 59m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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.

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 August 20, 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
8.0
Very good
7,982 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 19h 43m. 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 $497, 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 $614. Users have found that Delta is 32% 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.

  • What is the cheapest month to book a flight from Sioux Falls to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Sioux Falls to Saint Thomas Island (average of $433). Flying from Sioux Falls to Saint Thomas Island in June is currently the most expensive (average of $647). 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

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$754FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$614Average$759FlexibilityNo cancel feeOn-time71%

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