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Cheap flights from San Antonio to Saint Thomas Island from $321

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Saint Thomas Island departing on 9/4. 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 San Antonio to Saint Thomas Island

Cheap round-trip flights

Spirit Airlines Logo
7:17 pm - 9:44 amSAT-STT
13h 27m1 stop
Spirit Airlines Logo
10:49 am - 6:12 pmSTT-SAT
8h 23m1 stop
$321Spirit Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Spirit Airlines Logo
6:00 am - 3:11 pmSAT-STT
7h 11m1 stop
Spirit Airlines Logo
1:33 pm - 3:11 pmSTT-SAT
27h 38m1 stop
$332Spirit Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
Spirit Airlines Logo
2:54 pm - 9:44 amSAT-STT
17h 50m2 stops
Spirit Airlines Logo
10:49 am - 6:12 pmSTT-SAT
8h 23m1 stop
$335Spirit Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Spirit Airlines Logo
6:00 am - 3:11 pmSAT-STT
7h 11m1 stop
Spirit Airlines Logo
4:06 pm - 3:11 pmSTT-SAT
25h 05m2 stops
$344Spirit Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
American Airlines Logo
6:00 am - 3:25 pmSAT-STT
8h 25m1 stop
American Airlines Logo
5:10 pm - 11:36 pmSTT-SAT
7h 26m1 stop
$349American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
American Airlines Logo
6:05 pm - 4:55 pmSAT-STT
20h 50m2 stops
American Airlines Logo
6:17 pm - 11:57 pmSTT-SAT
7h 40m1 stop
$400American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
Delta Logo
5:30 am - 3:54 pmSAT-STT
8h 24m1 stop
Delta Logo
1:55 pm - 11:33 pmSTT-SAT
11h 38m1 stop
$440Delta
Find Deal
Mon, Jan 19 - Mon, Jan 26
United Airlines Logo
5:45 am - 2:30 pmSAT-STT
6h 45m1 stop
United Airlines Logo
1:05 pm - 8:15 pmSTT-SAT
9h 10m1 stop
$490United Airlines
Find Deal
Sat, Jan 17 - Thu, Jan 22
United Airlines Logo
5:45 am - 2:30 pmSAT-STT
6h 45m1 stop
United Airlines Logo
1:05 pm - 11:08 pmSTT-SAT
12h 03m2 stops
$519United Airlines
Find Deal
Sat, Jan 17 - Fri, Jan 23
Delta Logo
5:30 am - 3:54 pmSAT-STT
8h 24m1 stop
Delta Logo
1:55 pm - 11:33 pmSTT-SAT
11h 38m1 stop
$520Delta
Find Deal
Sun, Jan 18 - Mon, Jan 26

American Airlines flights from San Antonio to Saint Thomas Island

Our best American Airlines deals on San Antonio to Saint Thomas Island flight tickets
American Airlines
Aug 23
SAT6:00 amSan Antonio
8h 25m
1 stop
STT3:25 pmSaint Thomas Island Cyril E King
Aug 30
STT5:10 pmSaint Thomas Island Cyril E King
7h 26m
1 stop
SAT11:36 pmSan Antonio
$349
Find similar
American Airlines
Nov 4
SAT6:05 pmSan Antonio
20h 50m
2 stops
STT4:55 pmSaint Thomas Island Cyril E King
Nov 18
STT6:17 pmSaint Thomas Island Cyril E King
7h 40m
1 stop
SAT11:57 pmSan Antonio
$400
Find similar
American Airlines
Aug 18
SAT4:19 pmSan Antonio
19h 31m
2 stops
STT12:50 pmSaint Thomas Island Cyril E King
Aug 25
STT1:50 pmSaint Thomas Island Cyril E King
19h 33m
2 stops
SAT8:23 amSan Antonio
$440
Find similar

Delta flights from San Antonio to Saint Thomas Island

Our best Delta deals on San Antonio to Saint Thomas Island flight tickets
Delta
Jan 19
SAT5:30 amSan Antonio
8h 24m
1 stop
STT3:54 pmSaint Thomas Island Cyril E King
Jan 26
STT1:55 pmSaint Thomas Island Cyril E King
11h 38m
1 stop
SAT11:33 pmSan Antonio
$440
Find similar
Delta
Jan 18
SAT5:30 amSan Antonio
8h 24m
1 stop
STT3:54 pmSaint Thomas Island Cyril E King
Jan 26
STT1:55 pmSaint Thomas Island Cyril E King
11h 38m
1 stop
SAT11:33 pmSan Antonio
$520
Find similar
Delta
Jan 20
SAT5:30 amSan Antonio
7h 25m
1 stop
STT2:55 pmSaint Thomas Island Cyril E King
Jan 23
STT4:00 pmSaint Thomas Island Cyril E King
9h 33m
1 stop
SAT11:33 pmSan Antonio
$531
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio 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 August 6, 2025.
Use the filters below to find and compare flights from San Antonio to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 9/4

7:17 pm-9:44 am

1 stop13h 27m

Saint Thomas Island Cyril E King

Mon 9/8

10:49 am-6:12 pm

1 stop8h 23m

$321

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/11

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Sun 11/16

1:33 pm-3:11 pm

1 stop27h 38m

$332

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 9/4

2:54 pm-9:44 am

2 stops17h 50m

Saint Thomas Island Cyril E King

Mon 9/8

10:49 am-6:12 pm

1 stop8h 23m

$335

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/11

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Sun 11/16

4:06 pm-3:11 pm

2 stops25h 05m

$344

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 8/23

6:00 am-3:25 pm

1 stop8h 25m

Saint Thomas Island Cyril E King

Sat 8/30

5:10 pm-11:36 pm

1 stop7h 26m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/4

6:05 pm-4:55 pm

2 stops20h 50m

Saint Thomas Island Cyril E King

Tue 11/18

6:17 pm-11:57 pm

1 stop7h 40m

$400

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 1/19

5:30 am-3:54 pm

1 stop8h 24m

Saint Thomas Island Cyril E King

Mon 1/26

1:55 pm-11:33 pm

1 stop11h 38m

$440

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 1/17

5:45 am-2:30 pm

1 stop6h 45m

Saint Thomas Island Cyril E King

Thu 1/22

1:05 pm-8:15 pm

1 stop9h 10m

$490

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 1/17

5:45 am-2:30 pm

1 stop6h 45m

Saint Thomas Island Cyril E King

Fri 1/23

1:05 pm-11:08 pm

2 stops12h 03m

$519

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sun 1/18

5:30 am-3:54 pm

1 stop8h 24m

Saint Thomas Island Cyril E King

Mon 1/26

1:55 pm-11:33 pm

1 stop11h 38m

$520

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 San Antonio 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 month to fly to Saint Thomas Island?

The month of February is another great option to travel to Saint Thomas Island, with average flight prices from San Antonio averaging around $395.

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 San Antonio is on a Monday. momondo users have found tickets for Monday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to Saint Thomas Island for around $633.

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 afternoon when flights can be purchased for as low as $250. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $474. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $543 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from San Antonio for as low as $344 on momondo.

Can stopping save me money on San Antonio to Saint Thomas Island flights?

You could potentially save up to 29% on your flight if you consider stops on a San Antonio to Saint Thomas Island flight.

When to book flights from San Antonio to Saint Thomas Island

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

Cheap San Antonio to Saint Thomas Island (SAT to STT) flight deals and tips

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

Best Price Found

$321

Fastest flight time

6h 30m

Direct flights

None

Airports in Saint Thomas Island

1 airport
The best flight deal from San Antonio to Saint Thomas Island found on momondo in the last 72 hours is $321
The fastest flight from San Antonio to Saint Thomas Island takes 6h 30m
There are no direct flights from San Antonio to Saint Thomas Island. Popular non-direct route for this connection is San Antonio Airport - Saint Thomas Island Cyril E King Airport.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)
Search flight deals

  • How far is San Antonio to Saint Thomas Island Cyril E King by plane?

    The straight-line distance from San Antonio to Saint Thomas Island Cyril E King is 2243.1 mi. A reasonable flight in good conditions will take 6h 30m.

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

    Prices for flights from San Antonio Airport to Saint Thomas Island Cyril E King Airport were last updated today.

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

  • How old do you have to be to fly from San Antonio 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 San Antonio 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 required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Antonio to Saint Thomas Island?

Best airlines flying from San Antonio to Saint Thomas Island

Compare and see reviews for airlines that fly from San Antonio to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $197Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $277Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
8,917 reviews
Search United 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 San Antonio 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 San Antonio.

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

momondo does allow users to show only those flights to Saint Thomas Island from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Saint Thomas Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Saint Thomas Island.

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

If you are not ready to book a flight from San Antonio to Saint Thomas Island now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Thomas Island and let you know when they change.

An easier way to manage your Saint Thomas Island trip

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Saint Croix Airport