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Cheap flights from St. Louis to Saint Thomas Island from $208

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 6/15. 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.
American Airlines Logo
5:00 am - 3:52 pm
STL
-
STT
9h 52m
1 stop
American Airlines Logo
1:49 pm - 10:40 pm
STT
-
STL
9h 51m
1 stop
$420American Airlines
Fri, Aug 28 - Fri, Sep 4
American Airlines Logo
5:00 am - 12:52 pm
STL
-
STT
6h 52m
1 stop
American Airlines Logo
4:42 pm - 10:45 am
STT
-
STL
19h 03m
1 stop
$484American Airlines
Tue, Aug 18 - Mon, Aug 24
American Airlines Logo
5:10 am - 4:00 pm
STL
-
STT
9h 50m
2 stops
American Airlines Logo
1:49 pm - 11:32 pm
STT
-
STL
10h 43m
2 stops
$485American Airlines
Tue, Jul 14 - Thu, Jul 23
American Airlines Logo
5:17 am - 4:55 pm
STL
-
STT
9h 38m
2 stops
American Airlines Logo
6:17 pm - 10:37 am
STT
-
STL
18h 20m
2 stops
$490American Airlines
Wed, Nov 4 - Mon, Nov 9
Southwest Logo
5:10 am - 1:50 pm
STL
-
STT
7h 40m
1 stop
Southwest Logo
2:35 pm - 7:45 am
STT
-
STL
18h 10m
2 stops
$495Southwest
Mon, Sep 21 - Mon, Sep 28
American Airlines Logo
5:00 am - 3:52 pm
STL
-
STT
9h 52m
1 stop
American Airlines Logo
2:50 pm - 9:27 am
STT
-
STL
19h 37m
2 stops
$510American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
5:17 am - 4:55 pm
STL
-
STT
9h 38m
2 stops
American Airlines Logo
4:18 pm - 8:27 am
STT
-
STL
18h 09m
2 stops
$525American Airlines
Tue, Nov 3 - Sun, Nov 8
American Airlines Logo
7:56 pm - 4:00 pm
STL
-
STT
19h 04m
2 stops
American Airlines Logo
11:43 am - 8:55 pm
STT
-
STL
10h 12m
2 stops
$530American Airlines
Wed, Jul 15 - Thu, Jul 23
Delta Logo
6:00 am - 1:44 pm
STL
-
STT
6h 44m
1 stop
Delta Logo
2:54 pm - 8:50 pm
STT
-
STL
6h 56m
1 stop
$531Delta
Tue, Sep 22 - Thu, Oct 1
United Airlines Logo
6:00 am - 2:54 pm
STL
-
STT
7h 54m
1 stop
United Airlines Logo
2:10 pm - 11:44 pm
STT
-
STL
10h 34m
1 stop
$533United Airlines
Sat, Jul 4 - Sun, Jul 12

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
Aug 28
STL5:00 amLambert-St Louis
9h 52m
1 stop
STT3:52 pmSaint Thomas Island Cyril E King
Sep 4
STT1:49 pmSaint Thomas Island Cyril E King
9h 51m
1 stop
STL10:40 pmLambert-St Louis
$420
American Airlines
Aug 18
STL5:00 amLambert-St Louis
6h 52m
1 stop
STT12:52 pmSaint Thomas Island Cyril E King
Aug 24
STT4:42 pmSaint Thomas Island Cyril E King
19h 03m
1 stop
STL10:45 amLambert-St Louis
$484
American Airlines
Jul 14
STL5:10 amLambert-St Louis
9h 50m
2 stops
STT4:00 pmSaint Thomas Island Cyril E King
Jul 23
STT1:49 pmSaint Thomas Island Cyril E King
10h 43m
2 stops
STL11:32 pmLambert-St Louis
$485

United Airlines flights from St. Louis to Saint Thomas Island

Our best United Airlines deals on St. Louis to Saint Thomas Island flight tickets
United Airlines
Jul 4
STL6:00 amLambert-St Louis
7h 54m
1 stop
STT2:54 pmSaint Thomas Island Cyril E King
Jul 12
STT2:10 pmSaint Thomas Island Cyril E King
10h 34m
1 stop
STL11:44 pmLambert-St Louis
$533
United Airlines
May 14
STL6:00 amLambert-St Louis
8h 43m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
May 19
STT1:22 pmSaint Thomas Island Cyril E King
10h 08m
1 stop
STL10:30 pmLambert-St Louis
$598
United Airlines
May 14
STL6:00 amLambert-St Louis
8h 43m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
May 16
STT2:10 pmSaint Thomas Island Cyril E King
9h 35m
1 stop
STL10:45 pmLambert-St Louis
$672

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 May 13, 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

Cheapest round-trip

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Fri 8/28

5:00 am-3:52 pm

1 stop9h 52m

Saint Thomas Island Cyril E King

Fri 9/4

1:49 pm-10:40 pm

1 stop9h 51m

$420

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 8/18

5:00 am-12:52 pm

1 stop6h 52m

Saint Thomas Island Cyril E King

Mon 8/24

4:42 pm-10:45 am

1 stop19h 03m

$484

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 7/14

5:10 am-4:00 pm

2 stops9h 50m

Saint Thomas Island Cyril E King

Thu 7/23

1:49 pm-11:32 pm

2 stops10h 43m

$485

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 11/4

5:17 am-4:55 pm

2 stops9h 38m

Saint Thomas Island Cyril E King

Mon 11/9

6:17 pm-10:37 am

2 stops18h 20m

$490

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 9/21

5:10 am-1:50 pm

1 stop7h 40m

Saint Thomas Island Cyril E King

Mon 9/28

2:35 pm-7:45 am

2 stops18h 10m

$495

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 9/5

5:00 am-3:52 pm

1 stop9h 52m

Saint Thomas Island Cyril E King

Sat 9/12

2:50 pm-9:27 am

2 stops19h 37m

$510

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 11/3

5:17 am-4:55 pm

2 stops9h 38m

Saint Thomas Island Cyril E King

Sun 11/8

4:18 pm-8:27 am

2 stops18h 09m

$525

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 7/15

7:56 pm-4:00 pm

2 stops19h 04m

Saint Thomas Island Cyril E King

Thu 7/23

11:43 am-8:55 pm

2 stops10h 12m

$530
Quickest round-trip

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 9/22

6:00 am-1:44 pm

1 stop6h 44m

Saint Thomas Island Cyril E King

Thu 10/1

2:54 pm-8:50 pm

1 stop6h 56m

$531

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 7/4

6:00 am-2:54 pm

1 stop7h 54m

Saint Thomas Island Cyril E King

Sun 7/12

2:10 pm-11:44 pm

1 stop10h 34m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 February is another great option to travel to Saint Thomas Island, with average flight prices from St. Louis averaging around $540.

How far in advance should I book a flight from St. Louis 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 $648 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 $548 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a St. Louis to Saint Thomas Island flight.

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

6h 34m

Direct flights

None
The fastest flight from St. Louis to Saint Thomas Island takes 6h 34m
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

Frequently asked questions about flying from St. Louis to Saint Thomas Island

  • 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 6h 34m.

  • 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
United AirlinesPriceFrom $352Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights
DeltaPriceFrom $389Free CancellationRating
7.9
8,450 reviews
Search Delta flights
American AirlinesPriceFrom $509Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
SouthwestPriceFrom $554Free CancellationRating
7.9
4,296 reviews
Search Southwest 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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