How long is the flight from Saint Thomas Island to St. Louis?

There are many flights that can get you from Saint Thomas Island to St. Louis in 8h 26m. Fly via United Airlines or American Airlines to get the fastest option. Saint Thomas Island and St. Louis are separated by a distance of 2074 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest month to book a flight from Saint Thomas Island to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to St. Louis (average of $311). Flying from Saint Thomas Island to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Saint Thomas Island to St. Louis?

Travelers seeking maximum savings on their Saint Thomas Island to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Saint Thomas Island to St. Louis?

Monday flights are found to be more expensive to fly from Saint Thomas Island to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

What is the cheapest time of day to fly from STT to STL?

When flying from Saint Thomas Island to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the morning.

Can I find deals for flights from Saint Thomas Island to St. Louis that include hotel bookings?

Yes. In addition to deals on Saint Thomas Island to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Saint Thomas Island to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to St. Louis.

Can I find deals for business class flights from Saint Thomas Island to St. Louis?

Yes. Cheapflights offers flight deals from Saint Thomas Island to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$679+ Flights from Saint Thomas Island to St. Louis

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Cheap flight deals from Saint Thomas Island to St. Louis

Round-trip from	$679 (United Airlines)

From Saint Thomas Island Cyril E King to Lambert-St Louis

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Find flight deals from Saint Thomas Island to St. Louis

Best flights from Saint Thomas Island to St. Louis
Discover carefully curated flight deals from Saint Thomas Island to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Tue 3/102:40 pmSTT - STL

1 stop8h 26mUnited Airlines

Wed 3/116:45 amSTL - STT

1 stop7h 33mUnited Airlines

Deal found 9/9

$679

Tue 3/105:30 pmSTT - STL

2 stops16h 52mAmerican Airlines

Wed 3/117:05 pmSTL - STT

2 stops14h 55mAmerican Airlines

Deal found 9/9

$699

Cheapflights Fare Finder

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

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Tue 3/10

2:40 pm-10:06 pm

1 stop8h 26m

Lambert-St Louis

Wed 3/11

6:45 am-3:18 pm

1 stop7h 33m

$679

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Tue 3/10

5:30 pm-9:22 am

2 stops16h 52m

Lambert-St Louis

Wed 3/11

7:05 pm-11:00 am

2 stops14h 55m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Saint Thomas Island to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Saint Thomas Island with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Saint Thomas Island to St. Louis?
There are many flights that can get you from Saint Thomas Island to St. Louis in 8h 26m. Fly via United Airlines or American Airlines to get the fastest option. Saint Thomas Island and St. Louis are separated by a distance of 2074 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Saint Thomas Island to St. Louis that include hotel bookings?
Yes. In addition to deals on Saint Thomas Island to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Saint Thomas Island to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to St. Louis.
Can I find deals for business class flights from Saint Thomas Island to St. Louis?
Yes. Cheapflights offers flight deals from Saint Thomas Island to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Saint Thomas Island to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to St. Louis (average of $311). Flying from Saint Thomas Island to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$679+ Cheap flights from Saint Thomas Island (STT) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.