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Cheap flights from St. Louis to Saint Thomas Island from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Saint Thomas Island departing on 4/6. 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 St. Louis to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:49 pm - 2:31 pm
STL
-
STT
20h 42m
1 stop
Multiple Airlines Logo
3:36 pm - 12:27 am
STT
-
STL
10h 51m
1 stop
$240Multiple Airlines
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
8:22 pm - 4:34 pm
STL
-
STT
18h 12m
2 stops
Multiple Airlines Logo
3:36 pm - 12:27 am
STT
-
STL
10h 51m
1 stop
$256Multiple Airlines
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
11:32 am - 3:28 pm
STL
-
STT
26h 56m
2 stops
Multiple Airlines Logo
2:36 pm - 7:37 am
STT
-
STL
18h 01m
1 stop
$267Multiple Airlines
Wed, Mar 11 - Tue, Mar 17
Multiple Airlines Logo
11:32 am - 3:28 pm
STL
-
STT
26h 56m
2 stops
Multiple Airlines Logo
2:36 pm - 7:37 am
STT
-
STL
18h 01m
1 stop
$270Multiple Airlines
Wed, Mar 11 - Tue, Mar 17
Multiple Airlines Logo
11:32 am - 3:28 pm
STL
-
STT
26h 56m
2 stops
Multiple Airlines Logo
2:36 pm - 11:19 pm
STT
-
STL
9h 43m
1 stop
$271Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
8:17 pm - 2:31 pm
STL
-
STT
16h 14m
2 stops
Multiple Airlines Logo
3:36 pm - 12:27 am
STT
-
STL
10h 51m
1 stop
$273Multiple Airlines
Sat, Feb 14 - Fri, Feb 20
Multiple Airlines Logo
3:49 pm - 2:31 pm
STL
-
STT
20h 42m
1 stop
Multiple Airlines Logo
3:36 pm - 12:27 am
STT
-
STL
10h 51m
1 stop
$291Multiple Airlines
Sat, Feb 14 - Fri, Feb 20
Multiple Airlines Logo
8:22 pm - 4:34 pm
STL
-
STT
18h 12m
2 stops
Multiple Airlines Logo
3:36 pm - 11:59 pm
STT
-
STL
10h 23m
1 stop
$292Multiple Airlines
Mon, Feb 16 - Sat, Feb 21
Multiple Airlines Logo
8:17 pm - 4:34 pm
STL
-
STT
18h 17m
2 stops
Multiple Airlines Logo
3:36 pm - 11:59 pm
STT
-
STL
10h 23m
1 stop
$302Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
10:11 pm - 2:31 pm
STL
-
STT
38h 20m
2 stops
Multiple Airlines Logo
3:36 pm - 10:27 pm
STT
-
STL
8h 51m
1 stop
$303Multiple Airlines
Thu, Feb 26 - Tue, Mar 3

American Airlines flights from St. Louis to Saint Thomas Island

Our best American Airlines deals on St. Louis to Saint Thomas Island flight tickets
American Airlines
Mar 17
STL5:15 amLambert-St Louis
6h 48m
1 stop
STT1:03 pmSaint Thomas Island Cyril E King
Mar 23
STT5:25 pmSaint Thomas Island Cyril E King
18h 07m
1 stop
STL10:32 amLambert-St Louis
$468
American Airlines
Feb 20
STL6:00 amLambert-St Louis
9h 29m
2 stops
STT5:29 pmSaint Thomas Island Cyril E King
Mar 8
STT5:25 pmSaint Thomas Island Cyril E King
16h 10m
2 stops
STL8:35 amLambert-St Louis
$512

Southwest flights from St. Louis to Saint Thomas Island

Our best Southwest deals on St. Louis to Saint Thomas Island flight tickets
Southwest
Apr 29
STL8:45 pmLambert-St Louis
15h 50m
2 stops
STT1:35 pmSaint Thomas Island Cyril E King
May 6
STT2:10 pmSaint Thomas Island Cyril E King
18h 35m
2 stops
STL7:45 amLambert-St Louis
$484
Southwest
Apr 9
STL9:40 pmLambert-St Louis
14h 55m
2 stops
STT1:35 pmSaint Thomas Island Cyril E King
Apr 13
STT2:30 pmSaint Thomas Island Cyril E King
18h 00m
2 stops
STL7:30 amLambert-St Louis
$500

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 January 29, 2026.
Use the filters below to find and compare flights from St. Louis to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 2/23

3:49 pm-2:31 pm

1 stop20h 42m

Saint Thomas Island Cyril E King

Fri 2/27

3:36 pm-12:27 am

1 stop10h 51m

$240

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 2/23

8:22 pm-4:34 pm

2 stops18h 12m

Saint Thomas Island Cyril E King

Fri 2/27

3:36 pm-12:27 am

1 stop10h 51m

$256

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 3/11

11:32 am-3:28 pm

2 stops26h 56m

Saint Thomas Island Cyril E King

Tue 3/17

2:36 pm-7:37 am

1 stop18h 01m

$267

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 3/11

11:32 am-3:28 pm

2 stops26h 56m

Saint Thomas Island Cyril E King

Tue 3/17

2:36 pm-7:37 am

1 stop18h 01m

$270

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 3/11

11:32 am-3:28 pm

2 stops26h 56m

Saint Thomas Island Cyril E King

Wed 3/18

2:36 pm-11:19 pm

1 stop9h 43m

$271

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 2/14

8:17 pm-2:31 pm

2 stops16h 14m

Saint Thomas Island Cyril E King

Fri 2/20

3:36 pm-12:27 am

1 stop10h 51m

$273

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 2/14

3:49 pm-2:31 pm

1 stop20h 42m

Saint Thomas Island Cyril E King

Fri 2/20

3:36 pm-12:27 am

1 stop10h 51m

$291

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 2/16

8:22 pm-4:34 pm

2 stops18h 12m

Saint Thomas Island Cyril E King

Sat 2/21

3:36 pm-11:59 pm

1 stop10h 23m

$292

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 2/14

8:17 pm-4:34 pm

2 stops18h 17m

Saint Thomas Island Cyril E King

Sat 2/21

3:36 pm-11:59 pm

1 stop10h 23m

$302

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Thu 2/26

10:11 pm-2:31 pm

2 stops38h 20m

Saint Thomas Island Cyril E King

Tue 3/3

3:36 pm-10:27 pm

1 stop8h 51m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from St. Louis 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 St. Louis and Saint Thomas Island?

What is the cheapest month to fly to Saint Thomas Island?

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from St. Louis averaging around $548.

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 St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $668 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 St. Louis for as low as $575 on momondo.

Can stopping save me money on St. Louis to Saint Thomas Island flights?

You could potentially save up to 20% on your flight if you consider stops on a St. Louis to Saint Thomas Island flight.

How have St. Louis to Saint Thomas Island flight prices changed over time?

As of January 2026, prices for St. Louis to Saint Thomas Island flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Saint Thomas Island

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

Cheap St. Louis to Saint Thomas Island (STL to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Saint Thomas Island

Fastest flight time

7h 48m

Direct flights

None
The fastest flight from St. Louis to Saint Thomas Island takes 7h 48m
There are no direct flights from St. Louis to Saint Thomas Island. There are no popular flight routes from St. Louis to Saint Thomas Island.
Search flight deals

  • How far is Lambert-St Louis to Saint Thomas Island Cyril E King by plane?

    There are 2063.4 mi between Lambert-St Louis and Saint Thomas Island Cyril E King. By plane, this route typically takes 7h 48m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis 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 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.

  • What is the most popular airline from St. Louis to Saint Thomas Island?

Best airlines flying from St. Louis to Saint Thomas Island

Compare and see reviews for airlines that fly from St. Louis to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $147Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $467Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $499Free CancellationRating
7.2
11,206 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 St. Louis to Saint Thomas Island?

Finding the right flight to Saint Thomas Island from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Thomas Island quick and easy, saving you time and money.

Can I find flights from St. Louis to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Thomas Island from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Saint Thomas Island?

Once you have performed a search for St. Louis 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 St. Louis 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 St. Louis. 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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