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Cheap flights from St. Louis to Saint Thomas Island from $194

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 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
11:21 am - 3:28 pm
STL
-
STT
27h 07m
2 stops
Multiple Airlines Logo
2:36 pm - 11:19 pm
STT
-
STL
9h 43m
1 stop
$369Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
4:59 pm - 1:26 pm
STL
-
STT
19h 27m
1 stop
Multiple Airlines Logo
2:36 pm - 6:50 am
STT
-
STL
17h 14m
2 stops
$381Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
4:59 pm - 1:26 pm
STL
-
STT
19h 27m
1 stop
Multiple Airlines Logo
2:36 pm - 6:50 am
STT
-
STL
17h 14m
2 stops
$382Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
Multiple Airlines Logo
4:59 pm - 1:26 pm
STL
-
STT
19h 27m
1 stop
Multiple Airlines Logo
4:35 pm - 6:50 am
STT
-
STL
39h 15m
2 stops
$383Multiple Airlines
Mon, Apr 6 - Mon, Apr 13
Multiple Airlines Logo
11:21 am - 3:28 pm
STL
-
STT
27h 07m
2 stops
Multiple Airlines Logo
10:49 am - 11:19 pm
STT
-
STL
13h 30m
1 stop
$386Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
11:21 am - 3:28 pm
STL
-
STT
27h 07m
2 stops
Multiple Airlines Logo
10:49 am - 11:19 pm
STT
-
STL
13h 30m
1 stop
$387Multiple Airlines
Tue, Apr 7 - Fri, Apr 17
Multiple Airlines Logo
6:33 pm - 1:09 pm
STL
-
STT
17h 36m
2 stops
Multiple Airlines Logo
10:49 am - 12:21 am
STT
-
STL
14h 32m
1 stop
$389Multiple Airlines
Tue, May 12 - Mon, May 18
United Airlines Logo
6:30 am - 3:31 pm
STL
-
STT
8h 01m
1 stop
United Airlines Logo
2:10 pm - 9:13 pm
STT
-
STL
8h 03m
1 stop
$392United Airlines
Mon, Apr 13 - Wed, Apr 15
American Airlines Logo
5:24 am - 4:15 pm
STL
-
STT
9h 51m
1 stop
American Airlines Logo
12:25 pm - 10:07 pm
STT
-
STL
10h 42m
2 stops
$397American Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
4:59 pm - 1:26 pm
STL
-
STT
19h 27m
1 stop
Multiple Airlines Logo
10:49 am - 6:50 am
STT
-
STL
21h 01m
2 stops
$398Multiple Airlines
Tue, Apr 7 - Fri, Apr 17

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
May 13
STL5:24 amLambert-St Louis
9h 51m
1 stop
STT4:15 pmSaint Thomas Island Cyril E King
May 20
STT12:25 pmSaint Thomas Island Cyril E King
10h 42m
2 stops
STL10:07 pmLambert-St Louis
$397
American Airlines
Apr 4
STL6:53 pmLambert-St Louis
15h 19m
2 stops
STT11:12 amSaint Thomas Island Cyril E King
Apr 8
STT11:27 amSaint Thomas Island Cyril E King
9h 02m
1 stop
STL7:29 pmLambert-St Louis
$406
American Airlines
Mar 31
STL7:05 amLambert-St Louis
8h 24m
2 stops
STT4:29 pmSaint Thomas Island Cyril E King
Apr 3
STT5:25 pmSaint Thomas Island Cyril E King
7h 33m
1 stop
STL11:58 pmLambert-St Louis
$525

Delta flights from St. Louis to Saint Thomas Island

Our best Delta deals on St. Louis to Saint Thomas Island flight tickets
Delta
Apr 7
STL6:00 amLambert-St Louis
7h 48m
1 stop
STT2:48 pmSaint Thomas Island Cyril E King
Apr 17
STT3:05 pmSaint Thomas Island Cyril E King
9h 31m
1 stop
STL11:36 pmLambert-St Louis
$412
Delta
Mar 31
STL6:00 amLambert-St Louis
6h 47m
1 stop
STT1:47 pmSaint Thomas Island Cyril E King
Apr 3
STT3:00 pmSaint Thomas Island Cyril E King
9h 58m
1 stop
STL11:58 pmLambert-St Louis
$440
Delta
Apr 1
STL6:00 amLambert-St Louis
6h 47m
1 stop
STT1:47 pmSaint Thomas Island Cyril E King
Apr 5
STT1:55 pmSaint Thomas Island Cyril E King
11h 03m
1 stop
STL11:58 pmLambert-St Louis
$600

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 March 20, 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

Tue 4/7

11:21 am-3:28 pm

2 stops27h 07m

Saint Thomas Island Cyril E King

Tue 4/14

2:36 pm-11:19 pm

1 stop9h 43m

$369

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/7

4:59 pm-1:26 pm

1 stop19h 27m

Saint Thomas Island Cyril E King

Tue 4/14

2:36 pm-6:50 am

2 stops17h 14m

$381

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 4/8

4:59 pm-1:26 pm

1 stop19h 27m

Saint Thomas Island Cyril E King

Tue 4/14

2:36 pm-6:50 am

2 stops17h 14m

$382

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 4/6

4:59 pm-1:26 pm

1 stop19h 27m

Saint Thomas Island Cyril E King

Mon 4/13

4:35 pm-6:50 am

2 stops39h 15m

$383

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/7

11:21 am-3:28 pm

2 stops27h 07m

Saint Thomas Island Cyril E King

Wed 4/15

10:49 am-11:19 pm

1 stop13h 30m

$386

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/7

11:21 am-3:28 pm

2 stops27h 07m

Saint Thomas Island Cyril E King

Fri 4/17

10:49 am-11:19 pm

1 stop13h 30m

$387

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 5/12

6:33 pm-1:09 pm

2 stops17h 36m

Saint Thomas Island Cyril E King

Mon 5/18

10:49 am-12:21 am

1 stop14h 32m

$389
Quickest round-trip

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 4/13

6:30 am-3:31 pm

1 stop8h 01m

Saint Thomas Island Cyril E King

Wed 4/15

2:10 pm-9:13 pm

1 stop8h 03m

$392

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 5/13

5:24 am-4:15 pm

1 stop9h 51m

Saint Thomas Island Cyril E King

Wed 5/20

12:25 pm-10:07 pm

2 stops10h 42m

$397

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/7

4:59 pm-1:26 pm

1 stop19h 27m

Saint Thomas Island Cyril E King

Fri 4/17

10:49 am-6:50 am

2 stops21h 01m

$398

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 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 $652 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 $453 on momondo.

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

You could potentially save up to 32% 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 March 2026, prices for St. Louis to Saint Thomas Island flights are approximately 16% cheaper 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

6h 42m

Direct flights

None
The fastest flight from St. Louis to Saint Thomas Island takes 6h 42m
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 6h 42m.

  • 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
8,537 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights
DeltaPriceFrom $398Free CancellationRating
7.9
8,303 reviews
Search Delta flights
SouthwestPriceFrom $499Free CancellationRating
8.0
4,324 reviews
Search Southwest flights
American AirlinesPriceFrom $509Free CancellationRating
7.1
11,481 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Saint Thomas Island

    Southwest flight deals from St. Louis to Saint Thomas Island start from $499 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually $760 round-trip - but some users have found much cheaper deals with momondo.

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.

An easier way to manage your Saint Thomas Island trip

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