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Cheap flights from Saint Thomas Island to St. Louis from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to St. Louis departing on 7/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Saint Thomas Island to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:20 pm - 10:18 pm
STT
-
STL
9h 58m
1 stop
Delta Logo
8:00 am - 4:40 pm
STL
-
STT
7h 40m
1 stop
$635Delta
Wed, Jun 24 - Sat, Jul 4
Delta Logo
3:29 pm - 11:56 pm
STT
-
STL
9h 27m
1 stop
Delta Logo
8:00 am - 3:21 pm
STL
-
STT
6h 21m
1 stop
$643Delta
Wed, Jun 24 - Sat, Jul 4
American Airlines Logo
4:49 pm - 8:31 am
STT
-
STL
16h 42m
2 stops
American Airlines Logo
5:18 am - 4:00 pm
STL
-
STT
9h 42m
1 stop
$655American Airlines
Wed, Jun 24 - Sat, Jul 4
American Airlines Logo
4:49 pm - 8:31 am
STT
-
STL
16h 42m
2 stops
American Airlines Logo
8:06 pm - 4:00 pm
STL
-
STT
18h 54m
2 stops
$720American Airlines
Wed, Jun 24 - Sat, Jul 4

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American Airlines flights from Saint Thomas Island to St. Louis

Our best American Airlines deals on Saint Thomas Island to St. Louis flight tickets
American Airlines
Jun 24
STT4:49 pmSaint Thomas Island Cyril E King
16h 42m
2 stops
STL8:31 amLambert-St Louis
Jul 4
STL5:18 amLambert-St Louis
9h 42m
1 stop
STT4:00 pmSaint Thomas Island Cyril E King
$655
American Airlines
Jun 24
STT4:49 pmSaint Thomas Island Cyril E King
16h 42m
2 stops
STL8:31 amLambert-St Louis
Jul 4
STL8:06 pmLambert-St Louis
18h 54m
2 stops
STT4:00 pmSaint Thomas Island Cyril E King
$720

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to St. Louis 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 June 11, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 6/24

1:20 pm-10:18 pm

1 stop9h 58m

Lambert-St Louis

Sat 7/4

8:00 am-4:40 pm

1 stop7h 40m

$635
Quickest round-trip

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 6/24

3:29 pm-11:56 pm

1 stop9h 27m

Lambert-St Louis

Sat 7/4

8:00 am-3:21 pm

1 stop6h 21m

$643

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 6/24

4:49 pm-8:31 am

2 stops16h 42m

Lambert-St Louis

Sat 7/4

5:18 am-4:00 pm

1 stop9h 42m

$655

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 6/24

4:49 pm-8:31 am

2 stops16h 42m

Lambert-St Louis

Sat 7/4

8:06 pm-4:00 pm

2 stops18h 54m

$720
Cheapest one-way

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/8

5:45 pm-8:57 am

3 stops40h 12m

$367

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Mon 8/3

4:46 pm-8:33 am

1 stop16h 47m

$422

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/8

5:45 pm-8:57 am

2 stops40h 12m

$426

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/8

1:21 pm-11:53 pm

1 stop11h 32m

$427

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Sun 6/28

4:57 pm-8:32 am

1 stop16h 35m

$472

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Mon 8/3

11:43 am-11:58 pm

1 stop13h 15m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Saint Thomas Island to St. Louis

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

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

You could potentially save up to 30% on your flight if you consider stops on a Saint Thomas Island to St. Louis flight.

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

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

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

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

Fastest flight time

9h 58m

Direct flights

None
The fastest flight from Saint Thomas Island to St. Louis takes 9h 58m
There are no direct flights from Saint Thomas Island to St. Louis. There are no popular flight routes from Saint Thomas Island to St. Louis.
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Frequently asked questions about flying from Saint Thomas Island to St. Louis

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

    There are 2063.4 mi between Saint Thomas Island Cyril E King and Lambert-St Louis. Typically, this will take 9h 58m by plane in normal conditions.

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

    Prices for flights from Saint Thomas Island Cyril E King Airport to Lambert-St Louis Airport were last updated today.

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Clayton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Saint Thomas Island to St. Louis?

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 St. Louis from Saint Thomas Island.

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

Yes. All flights to St. Louis from Saint Thomas Island on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Saint Thomas Island and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Saint Thomas Island to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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