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Cheap flights from South Dakota 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 South Dakota 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 South Dakota to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:35 pm - 3:56 pm
FSD
-
STT
20h 21m2 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
5:41 pm - 1:47 pm
FSD
-
STT
18h 06m2 stops
American Airlines Logo
6:36 pm - 11:49 am
STT
-
FSD
19h 13m2 stops
$466American Airlines
Wed, Feb 25 - Mon, Mar 2
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
$503Delta
Wed, Jan 28 - Tue, Feb 3
American Airlines Logo
7:41 pm - 4:29 pm
FSD
-
STT
19h 48m2 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
5:44 am - 4:02 pm
FSD
-
STT
9h 18m1 stop
American Airlines Logo
4:42 pm - 12:41 pm
STT
-
FSD
20h 59m2 stops
$644American Airlines
Thu, Mar 12 - Fri, Mar 20
American Airlines Logo
5:44 am - 4:02 pm
FSD
-
STT
9h 18m1 stop
American Airlines Logo
4:42 pm - 12:41 pm
STT
-
FSD
20h 59m2 stops
$694American Airlines
Thu, Mar 12 - Fri, Mar 20
United Airlines Logo
4:57 pm - 3:31 pm
FSD
-
STT
21h 34m2 stops
United Airlines Logo
2:10 pm - 10:15 pm
STT
-
FSD
9h 05m1 stop
$749United Airlines
Wed, Apr 8 - Tue, Apr 14
United Airlines Logo
6:29 pm - 3:31 pm
FSD
-
STT
20h 02m1 stop
United Airlines Logo
2:10 pm - 10:15 pm
STT
-
FSD
9h 05m1 stop
$758United Airlines
Wed, Apr 8 - Tue, Apr 14
American Airlines Logo
5:44 am - 4:02 pm
FSD
-
STT
9h 18m1 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 Logo
7:40 am - 1:56 pm
FSD
-
STT
28h 16m2 stops
United Airlines Logo
3:05 pm - 10:03 pm
STT
-
FSD
8h 58m1 stop
$785United Airlines
Sun, Mar 1 - Thu, Mar 5

American Airlines flights from South Dakota to Saint Thomas Island

Our best American Airlines deals on South Dakota to Saint Thomas Island flight tickets
American Airlines
Jan 28
FSD5:35 pmSioux Falls Joe Foss Field
20h 21m
2 stops
STT3:56 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
Feb 25
FSD5:41 pmSioux Falls Joe Foss Field
16h 40m
2 stops
STT12:21 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
American Airlines
Mar 12
FSD7:41 pmSioux Falls Joe Foss Field
19h 48m
2 stops
STT4:29 pmSaint Thomas Island Cyril E King
Mar 20
STT4:42 pmSaint Thomas Island Cyril E King
20h 59m
2 stops
FSD12:41 pmSioux Falls Joe Foss Field
$509
Find similar

Delta flights from South Dakota to Saint Thomas Island

Our best Delta deals on South Dakota to Saint Thomas Island flight tickets
Delta
Jan 28
FSD5:11 amSioux Falls Joe Foss Field
7h 54m
1 stop
STT3:05 pmSaint Thomas Island Cyril E King
Feb 3
STT3:10 pmSaint Thomas Island Cyril E King
10h 00m
1 stop
FSD11:10 pmSioux Falls Joe Foss Field
$503
Find similar
Delta
Feb 25
FSD5:08 amSioux Falls Joe Foss Field
9h 14m
1 stop
STT4:22 pmSaint Thomas Island Cyril E King
Mar 2
STT4:15 pmSaint Thomas Island Cyril E King
9h 15m
1 stop
FSD11:30 pmSioux Falls Joe Foss Field
$872
Find similar
Delta
Feb 25
FSD5:08 amSioux Falls Joe Foss Field
7h 56m
1 stop
STT3:04 pmSaint Thomas Island Cyril E King
Mar 2
STT4:15 pmSaint Thomas Island Cyril E King
9h 15m
1 stop
FSD11:30 pmSioux Falls Joe Foss Field
$897
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota 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 25, 2025.
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

Wed 1/28

5:35 pm-3:56 pm

2 stops20h 21m

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

Wed 2/25

5:41 pm-1:47 pm

2 stops18h 06m

Saint Thomas Island Cyril E King

Mon 3/2

6:36 pm-11:49 am

2 stops19h 13m

$466

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

$503

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 3/12

7:41 pm-4:29 pm

2 stops19h 48m

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 3/12

5:44 am-4:02 pm

1 stop9h 18m

Saint Thomas Island Cyril E King

Fri 3/20

4:42 pm-12:41 pm

2 stops20h 59m

$644

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 3/12

5:44 am-4:02 pm

1 stop9h 18m

Saint Thomas Island Cyril E King

Fri 3/20

4:42 pm-12:41 pm

2 stops20h 59m

$694

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 4/8

4:57 pm-3:31 pm

2 stops21h 34m

Saint Thomas Island Cyril E King

Tue 4/14

2:10 pm-10:15 pm

1 stop9h 05m

$749

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Wed 4/8

6:29 pm-3:31 pm

1 stop20h 02m

Saint Thomas Island Cyril E King

Tue 4/14

2:10 pm-10:15 pm

1 stop9h 05m

$758

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Thu 3/12

5:44 am-4:02 pm

1 stop9h 18m

Saint Thomas Island Cyril E King

Fri 3/20

4:42 pm-12:41 pm

2 stops20h 59m

$772

Sioux FallsSaint Thomas Island

FSD - STT

FSDSTT

Sioux Falls Joe Foss Field

Sun 3/1

7:40 am-1:56 pm

2 stops28h 16m

Saint Thomas Island Cyril E King

Thu 3/5

3:05 pm-10:03 pm

1 stop8h 58m

$785

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 South Dakota 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 cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from South Dakota 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 South Dakota 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.

Can stopping save me money on South Dakota to Saint Thomas Island flights?

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

Cheap South Dakota to Saint Thomas Island flight deals and tips

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

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from South Dakota to Saint Thomas Island takes 7h 54m
There are no direct flights from South Dakota to Saint Thomas Island. There are no popular flight routes from South Dakota to Saint Thomas Island.
Search flight deals

  • When did momondo last update prices for flights from South Dakota to Saint Thomas Island Cyril E King Airport?

    Prices for flights from South Dakota to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from South Dakota to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from South Dakota to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota 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 travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to Saint Thomas Island

Compare and see reviews for airlines that fly from South Dakota to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $509Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $566Free CancellationRating
7.2
11,056 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 South Dakota to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from South Dakota.

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

Yes. momondo allows you to filter the results for South Dakota to Saint Thomas Island flights to just show those with flexible booking policies.

How can momondo help me find flights from South Dakota to Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from South Dakota. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Saint Thomas Island from South Dakota. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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