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Cheap flights from Sioux Falls to Saint Thomas Island from $509

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Saint Thomas Island departing on 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sioux Falls to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:18 pm - 4:58 pmFSD-STT
21h 40m2 stops
American Airlines Logo
5:29 pm - 12:23 pmSTT-FSD
20h 54m2 stops
$509American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
American Airlines Logo
5:41 pm - 5:30 pmFSD-STT
21h 49m2 stops
American Airlines Logo
4:27 pm - 12:37 pmSTT-FSD
22h 10m2 stops
$544American Airlines
Find Deal
Wed, Feb 25 - Mon, Mar 2
American Airlines Logo
1:39 pm - 11:00 amFSD-STT
20h 21m2 stops
American Airlines Logo
3:30 pm - 12:20 pmSTT-FSD
21h 50m2 stops
$623American Airlines
Find Deal
Sun, Mar 8 - Sun, Mar 15
American Airlines Logo
5:27 pm - 3:47 pmFSD-STT
20h 20m2 stops
American Airlines Logo
6:17 pm - 10:27 amSTT-FSD
18h 10m2 stops
$641American Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Delta Logo
5:25 am - 3:16 pmFSD-STT
8h 51m1 stop
Delta Logo
1:15 pm - 10:11 pmSTT-FSD
9h 56m1 stop
$676Delta
Find Deal
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
7:19 pm - 3:26 pmFSD-STT
18h 07m2 stops
American Airlines Logo
4:16 pm - 12:23 pmSTT-FSD
22h 07m2 stops
$699American Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
5:05 am - 2:36 pmFSD-STT
7h 31m1 stop
Delta Logo
3:50 pm - 11:14 pmSTT-FSD
9h 24m1 stop
$804Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
7:40 am - 4:18 pmFSD-STT
30h 38m1 stop
United Airlines Logo
3:05 pm - 9:57 pmSTT-FSD
8h 52m1 stop
$940United Airlines
Find Deal
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
8:00 am - 12:00 pmFSD-STT
26h 00m3 stops
United Airlines Logo
2:15 pm - 12:51 pmSTT-FSD
24h 36m2 stops
$974United Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
6:00 am - 5:03 pmFSD-STT
33h 03m2 stops
Multiple Airlines Logo
3:05 pm - 5:37 pmSTT-FSD
28h 32m1 stop
$1,114Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23

American Airlines flights from Sioux Falls to Saint Thomas Island

Our best American Airlines deals on Sioux Falls to Saint Thomas Island flight tickets
American Airlines
Dec 9
FSD5:18 pmSioux Falls Joe Foss Field
21h 40m
2 stops
STT4:58 pmSaint Thomas Island Cyril E King
Dec 16
STT5:29 pmSaint Thomas Island Cyril E King
20h 54m
2 stops
FSD12:23 pmSioux Falls Joe Foss Field
$509
Find similar
American Airlines
Feb 25
FSD5:41 pmSioux Falls Joe Foss Field
21h 49m
2 stops
STT5:30 pmSaint Thomas Island Cyril E King
Mar 2
STT4:27 pmSaint Thomas Island Cyril E King
22h 10m
2 stops
FSD12:37 pmSioux Falls Joe Foss Field
$544
Find similar
American Airlines
Mar 8
FSD1:39 pmSioux Falls Joe Foss Field
20h 21m
2 stops
STT11:00 amSaint Thomas Island Cyril E King
Mar 15
STT3:30 pmSaint Thomas Island Cyril E King
21h 50m
2 stops
FSD12:20 pmSioux Falls Joe Foss Field
$623
Find similar

Delta flights from Sioux Falls to Saint Thomas Island

Our best Delta deals on Sioux Falls to Saint Thomas Island flight tickets
Delta
Apr 20
FSD5:25 amSioux Falls Joe Foss Field
8h 51m
1 stop
STT3:16 pmSaint Thomas Island Cyril E King
Apr 27
STT1:15 pmSaint Thomas Island Cyril E King
9h 56m
1 stop
FSD10:11 pmSioux Falls Joe Foss Field
$676
Find similar
Delta
Dec 9
FSD5:05 amSioux Falls Joe Foss Field
7h 31m
1 stop
STT2:36 pmSaint Thomas Island Cyril E King
Dec 16
STT3:50 pmSaint Thomas Island Cyril E King
9h 24m
1 stop
FSD11:14 pmSioux Falls Joe Foss Field
$804
Find similar
Delta
Apr 20
FSD5:15 amSioux Falls Joe Foss Field
9h 01m
2 stops
STT3:16 pmSaint Thomas Island Cyril E King
Apr 27
STT1:15 pmSaint Thomas Island Cyril E King
9h 56m
1 stop
FSD10:11 pmSioux Falls Joe Foss Field
$851
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Sioux Falls 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

Tue 12/9

5:18 pm-4:58 pm

2 stops21h 40m

Saint Thomas Island Cyril E King

Tue 12/16

5:29 pm-12:23 pm

2 stops20h 54m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

5:41 pm-5:30 pm

2 stops21h 49m

Saint Thomas Island Cyril E King

Mon 3/2

4:27 pm-12:37 pm

2 stops22h 10m

$544

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sun 3/8

1:39 pm-11:00 am

2 stops20h 21m

Saint Thomas Island Cyril E King

Sun 3/15

3:30 pm-12:20 pm

2 stops21h 50m

$623

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 11/19

5:27 pm-3:47 pm

2 stops20h 20m

Saint Thomas Island Cyril E King

Sun 11/23

6:17 pm-10:27 am

2 stops18h 10m

$641

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Mon 4/20

5:25 am-3:16 pm

1 stop8h 51m

Saint Thomas Island Cyril E King

Mon 4/27

1:15 pm-10:11 pm

1 stop9h 56m

$676

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Mon 12/8

7:19 pm-3:26 pm

2 stops18h 07m

Saint Thomas Island Cyril E King

Thu 12/11

4:16 pm-12:23 pm

2 stops22h 07m

$699

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Tue 12/9

5:05 am-2:36 pm

1 stop7h 31m

Saint Thomas Island Cyril E King

Tue 12/16

3:50 pm-11:14 pm

1 stop9h 24m

$804

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

7:40 am-4:18 pm

1 stop30h 38m

Saint Thomas Island Cyril E King

Mon 3/2

3:05 pm-9:57 pm

1 stop8h 52m

$940

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Tue 12/9

8:00 am-12:00 pm

3 stops26h 00m

Saint Thomas Island Cyril E King

Tue 12/16

2:15 pm-12:51 pm

2 stops24h 36m

$974

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 11/19

6:00 am-5:03 pm

2 stops33h 03m

Saint Thomas Island Cyril E King

Sun 11/23

3:05 pm-5:37 pm

1 stop28h 32m

$1,114

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Sioux Falls to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sioux Falls and Saint Thomas Island?

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Sioux Falls is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $502. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sioux Falls to Saint Thomas Island for around $989.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the morning when flights can be purchased for as low as $589. Flights to Saint Thomas Island are more costly in the afternoon, with an average ticket price of $637. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Sioux Falls to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Saint Thomas Island (FSD to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Saint Thomas Island

Direct flights

None
There are no direct flights from Sioux Falls to Saint Thomas Island. There are no popular flight routes from Sioux Falls to Saint Thomas Island.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Saint Thomas Island Cyril E King by plane?

    There are 2535.6 mi between Sioux Falls Joe Foss Field and Saint Thomas Island Cyril E King. A reasonable flight in good conditions will take 6h 47m.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Saint Thomas Island Cyril E King Airport were last updated today.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Saint Thomas Island Cyril E King Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The necessary travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sioux Falls to Saint Thomas Island?

Best airlines flying from Sioux Falls to Saint Thomas Island

Compare and see reviews for airlines that fly from Sioux Falls to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $509Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $614Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Saint Thomas Island?

It is quick and easy to find Sioux Falls to Saint Thomas Island flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Thomas Island that suits you.

Can I find flights from Sioux Falls to Saint Thomas Island with flexible booking policies on momondo?

All flight searches from Sioux Falls to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Sioux Falls to Saint Thomas Island?

Once you have performed a search for Sioux Falls to Saint Thomas Island flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sioux Falls to Saint Thomas Island right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Thomas Island from Sioux Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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