What are the cheapest airlines to fly from Saint Thomas Island to St. Louis one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $165. Delta flights start at $297 while deals on American Airlines start at $502 one-way.

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.

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.

$165+ Flights from Saint Thomas Island to St. Louis

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Find flight deals from Saint Thomas Island to St. Louis

Cheapest flights from Saint Thomas Island to St. Louis
Explore the most affordable flight options available from Saint Thomas Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Thu 12/116:05 pmSTT - STL

2 stops16h 49mAmerican Airlines

Tue 12/167:33 amSTL - STT

1 stop6h 02mAmerican Airlines

Deal found 6/11

$509

One-way flights from Saint Thomas Island to St. Louis
Search for one-way flight options from Saint Thomas Island to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 7/1010:43 amSTT - STL

1 stop6h 48mSpirit Airlines

Deal found 6/12

$165

Wed 7/161:27 pmSTT - STL

1 stop11h 26mDelta

Deal found 6/10

$297

Mon 7/75:05 pmSTT - STL

1 stop7h 52mAmerican Airlines

Deal found 6/11

$502

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

Thu 7/10

10:43 am-4:31 pm

1 stop6h 48m

$165

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/16

1:27 pm-11:53 pm

1 stop11h 26m

$297

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Mon 7/7

5:05 pm-11:57 pm

1 stop7h 52m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from Saint Thomas Island to St. Louis

Rainfall in St. Louis by month

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.

Temperature in St. Louis by month

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).

Reviews of airlines servicing St. Louis

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Saint Thomas Island to St. Louis one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $165. Delta flights start at $297 while deals on American Airlines start at $502 one-way.
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.

See more FAQs

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

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Glencoe

Festus

Alton

Farmington

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Top airline flying from Saint Thomas Island to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$487	Average$677	FlexibilityNo cancel fee	On-time71%

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$165+ Cheap flights from Saint Thomas Island (STT) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint Thomas Island to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Saint Thomas Island to St. Louis

Cheapest flights from Saint Thomas Island to St. LouisExplore the most affordable flight options available from Saint Thomas Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Saint Thomas Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint Thomas Island to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Saint Thomas Island to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Saint Thomas Island to St. Louis one-way?

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

How can I 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?

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

Traveling to a place near Saint Thomas Island?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Saint Thomas Island to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Saint Thomas Island to St. Louis

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Book with Flexibility

Travel Smart

Cheapest flights from Saint Thomas Island to St. Louis
Explore the most affordable flight options available from Saint Thomas Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.