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Cheap flights from Sioux Falls to Saint Thomas Island from $423

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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
5:35 pm - 5:05 pm
FSD
-
STT
21h 30m2 stops
American Airlines Logo
3:16 pm - 9:35 pm
STT
-
FSD
8h 19m1 stop
$423American Airlines
Wed, Jan 28 - Tue, Feb 3
American Airlines Logo
5:35 pm - 2:23 pm
FSD
-
STT
18h 48m2 stops
American Airlines Logo
6:39 pm - 12:53 pm
STT
-
FSD
20h 14m2 stops
$448American Airlines
Fri, Jan 23 - Fri, Jan 30
American Airlines Logo
5:41 pm - 1:47 pm
FSD
-
STT
18h 06m2 stops
American Airlines Logo
6:36 pm - 12:33 pm
STT
-
FSD
19h 57m2 stops
$466American Airlines
Wed, Feb 25 - Mon, Mar 2
American Airlines Logo
7:42 pm - 4:29 pm
FSD
-
STT
19h 47m2 stops
American Airlines Logo
4:42 pm - 12:41 pm
STT
-
FSD
20h 59m2 stops
$509American Airlines
Thu, Mar 12 - Fri, Mar 20
American Airlines Logo
6:00 am - 3:30 pm
FSD
-
STT
7h 30m1 stop
American Airlines Logo
3:16 pm - 9:35 pm
STT
-
FSD
8h 19m1 stop
$601American Airlines
Thu, Feb 5 - Tue, Feb 10
Delta Logo
5:11 am - 3:05 pm
FSD
-
STT
7h 54m1 stop
Delta Logo
3:10 pm - 11:10 pm
STT
-
FSD
10h 00m1 stop
$629Delta
Wed, Jan 28 - Tue, Feb 3
American Airlines Logo
1:26 pm - 11:12 am
FSD
-
STT
20h 46m2 stops
American Airlines Logo
3:40 pm - 12:41 pm
STT
-
FSD
22h 01m2 stops
$631American Airlines
Sat, Mar 21 - Sat, Mar 28
American Airlines Logo
5:41 pm - 12:21 pm
FSD
-
STT
16h 40m2 stops
American Airlines Logo
2:16 pm - 10:43 pm
STT
-
FSD
10h 27m1 stop
$729American Airlines
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
7:40 am - 4:18 pm
FSD
-
STT
30h 38m1 stop
United Airlines Logo
12:02 pm - 10:02 pm
STT
-
FSD
11h 00m2 stops
$760United Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
7:42 pm - 2:03 pm
FSD
-
STT
17h 21m1 stop
American Airlines Logo
4:42 pm - 12:41 pm
STT
-
FSD
20h 59m2 stops
$772American Airlines
Thu, Mar 12 - Fri, Mar 20

United Airlines flights from Sioux Falls to Saint Thomas Island

Our best United Airlines deals on Sioux Falls to Saint Thomas Island flight tickets
United Airlines
Mar 4
FSD7:40 amSioux Falls Joe Foss Field
30h 38m
1 stop
STT4:18 pmSaint Thomas Island Cyril E King
Mar 11
STT12:02 pmSaint Thomas Island Cyril E King
11h 00m
2 stops
FSD10:02 pmSioux Falls Joe Foss Field
$760
Find similar
United Airlines
Mar 1
FSD7:40 amSioux Falls Joe Foss Field
28h 16m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Mar 5
STT1:02 pmSaint Thomas Island Cyril E King
11h 01m
2 stops
FSD10:03 pmSioux Falls Joe Foss Field
$785
Find similar
United Airlines
Mar 4
FSD5:00 pmSioux Falls Joe Foss Field
21h 18m
2 stops
STT4:18 pmSaint Thomas Island Cyril E King
Mar 11
STT12:02 pmSaint Thomas Island Cyril E King
11h 00m
2 stops
FSD10:02 pmSioux Falls Joe Foss Field
$812
Find similar

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
Jan 28
FSD5:35 pmSioux Falls Joe Foss Field
21h 30m
2 stops
STT5:05 pmSaint Thomas Island Cyril E King
Feb 3
STT3:16 pmSaint Thomas Island Cyril E King
8h 19m
1 stop
FSD9:35 pmSioux Falls Joe Foss Field
$423
Find similar
American Airlines
Jan 23
FSD5:35 pmSioux Falls Joe Foss Field
18h 48m
2 stops
STT2:23 pmSaint Thomas Island Cyril E King
Jan 30
STT6:39 pmSaint Thomas Island Cyril E King
20h 14m
2 stops
FSD12:53 pmSioux Falls Joe Foss Field
$448
Find similar
American Airlines
Feb 25
FSD5:41 pmSioux Falls Joe Foss Field
18h 06m
2 stops
STT1:47 pmSaint Thomas Island Cyril E King
Mar 2
STT6:36 pmSaint Thomas Island Cyril E King
19h 57m
2 stops
FSD12:33 pmSioux Falls Joe Foss Field
$466
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 December 28, 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

Wed 1/28

5:35 pm-5:05 pm

2 stops21h 30m

Saint Thomas Island Cyril E King

Tue 2/3

3:16 pm-9:35 pm

1 stop8h 19m

$423

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Fri 1/23

5:35 pm-2:23 pm

2 stops18h 48m

Saint Thomas Island Cyril E King

Fri 1/30

6:39 pm-12:53 pm

2 stops20h 14m

$448

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

5:41 pm-1:47 pm

2 stops18h 06m

Saint Thomas Island Cyril E King

Mon 3/2

6:36 pm-12:33 pm

2 stops19h 57m

$466

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 3/12

7:42 pm-4:29 pm

2 stops19h 47m

Saint Thomas Island Cyril E King

Fri 3/20

4:42 pm-12:41 pm

2 stops20h 59m

$509

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 2/5

6:00 am-3:30 pm

1 stop7h 30m

Saint Thomas Island Cyril E King

Tue 2/10

3:16 pm-9:35 pm

1 stop8h 19m

$601

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 1/28

5:11 am-3:05 pm

1 stop7h 54m

Saint Thomas Island Cyril E King

Tue 2/3

3:10 pm-11:10 pm

1 stop10h 00m

$629

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sat 3/21

1:26 pm-11:12 am

2 stops20h 46m

Saint Thomas Island Cyril E King

Sat 3/28

3:40 pm-12:41 pm

2 stops22h 01m

$631

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 2/25

5:41 pm-12:21 pm

2 stops16h 40m

Saint Thomas Island Cyril E King

Mon 3/2

2:16 pm-10:43 pm

1 stop10h 27m

$729

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 3/4

7:40 am-4:18 pm

1 stop30h 38m

Saint Thomas Island Cyril E King

Wed 3/11

12:02 pm-10:02 pm

2 stops11h 00m

$760

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

4:42 pm-12:41 pm

2 stops20h 59m

$772

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 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.

Can stopping save me money on Sioux Falls to Saint Thomas Island flights?

You could potentially save up to 7% on your flight if you consider stops on a Sioux Falls to Saint Thomas Island flight.

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

Fastest flight time

7h 56m

Direct flights

None
The fastest flight from Sioux Falls to Saint Thomas Island takes 7h 56m
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 7h 56m.

  • 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
8,019 reviews
Search Delta flights
American AirlinesPriceFrom $566Free CancellationRating
7.2
11,072 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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