What are the cheapest airlines flying from St. Louis to Saint Thomas Island round-trip?

Spirit Airlines, at $147, was found to be the cheapest airline from St. Louis to Saint Thomas Island.Alternate airlines to your destination round-trip include American Airlines and Delta. Spirit Airlines is 76% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

What are the most popular airlines that fly from St. Louis to Saint Thomas Island?

The most popular airlines flying from St. Louis to Saint Thomas Island are American Airlines, Delta and Spirit Airlines. Something to consider prior to booking your flight.

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Saint Thomas Island. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Saint Thomas Island?

Find a great deal and save up to 121% by booking at least 45 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Saint Thomas Island within the next two weeks, with the cheapest ticket starting at $262.

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

Our data shows that October tends to be the cheapest month to fly to Saint Thomas Island from St. Louis. Users have commonly found prices around $634 for the month, but tickets can be as low as $331. Due to multiple factors, prepare for potentially higher prices in December.

Most accurate provider : When it comes to deals on St. Louis-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$147+ Save on Flights from St. Louis to Saint Thomas Island

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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The best prices from Lambert-St Louis to Saint Thomas Island Cyril E King are usually found in October or September, booked 44 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$147 (FlightHub)
Popular in	December
Cheapest in	October
Average price	$702

Provider with most accurate pricing for Lambert-St Louis-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Saint Thomas Island Cyril E King flights.

Search Deals

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

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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Find flight deals from St. Louis to Saint Thomas Island

Cheapest flights from St. Louis to Saint Thomas Island
Explore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Tue 4/86:47 pmSTL - STT

1 stop13h 53mSpirit Airlines

Tue 4/1510:45 amSTT - STL

1 stop7h 31mSpirit Airlines

Deal found 2/18

$147

Tue 4/86:47 pmSTL - STT

1 stop13h 53mMultiple Airlines

Tue 4/1510:45 amSTT - STL

3 stops26h 00mMultiple Airlines

Deal found 2/18

$271

Tue 9/166:00 amSTL - STT

1 stop6h 39mDelta

Tue 9/232:49 pmSTT - STL

1 stop9h 50mDelta

Deal found 2/18

$476

Tue 9/165:29 amSTL - STT

2 stops10h 01mAmerican Airlines

Tue 9/231:50 pmSTT - STL

2 stops10h 35mAmerican Airlines

Deal found 2/18

$477

Tue 4/85:35 pmSTL - STT

3 stops21h 08mUnited Airlines

Tue 4/154:45 pmSTT - STL

3 stops24h 02mUnited Airlines

Deal found 2/19

$610

Best flights from St. Louis to Saint Thomas Island
Discover carefully curated flight deals from St. Louis to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Tue 4/86:47 pmSTL - STT

1 stop13h 53mSpirit Airlines

Tue 4/1510:45 amSTT - STL

1 stop7h 31mSpirit Airlines

Deal found 2/18

$147

Tue 4/86:47 pmSTL - STT

1 stop13h 53mMultiple Airlines

Tue 4/1510:45 amSTT - STL

3 stops26h 00mMultiple Airlines

Deal found 2/18

$271

Wed 4/26:10 amSTL - STT

2 stops9h 21mAmerican Airlines

Thu 4/104:50 pmSTT - STL

2 stops16h 40mAmerican Airlines

Deal found 2/19

$509

Fri 5/166:00 amSTL - STT

1 stop8h 06mDelta

Tue 5/202:43 pmSTT - STL

1 stop7h 05mDelta

Deal found 2/20

$514

Tue 4/85:35 pmSTL - STT

3 stops21h 08mUnited Airlines

Tue 4/154:45 pmSTT - STL

3 stops24h 02mUnited Airlines

Deal found 2/19

$610

Last-minute flights from St. Louis to Saint Thomas Island
Discover last-minute flight deals from St. Louis to Saint Thomas Island. Data last updated February 20, 2025 and is based on user searches.

Wed 2/266:00 amSTL - STT

1 stop6h 45mDelta

Sun 3/22:55 pmSTT - STL

1 stop10h 42mDelta

Deal found 2/19

$759

Sat 3/112:15 pmSTL - STT

3 stops47h 23mMultiple Airlines

Fri 3/712:11 pmSTT - STL

1 stop22h 58mMultiple Airlines

Deal found 2/20

$513

Sat 3/15:37 pmSTL - STT

2 stops16h 50mAmerican Airlines

Fri 3/76:25 pmSTT - STL

1 stop7h 21mAmerican Airlines

Deal found 2/20

$709

Tue 3/44:00 pmSTL - STT

1 stop17h 01mSpirit Airlines

Tue 3/1111:11 amSTT - STL

1 stop6h 31mSpirit Airlines

Deal found 2/18

$200

Tue 3/44:00 pmSTL - STT

1 stop17h 01mMultiple Airlines

Tue 3/1111:11 amSTT - STL

3 stops30h 34mMultiple Airlines

Deal found 2/18

$344

Thu 3/203:25 pmSTL - STT

3 stops20h 31mUnited Airlines

Mon 3/2412:05 pmSTT - STL

2 stops25h 07mUnited Airlines

Deal found 2/19

$975

Fri 3/285:01 amSTL - STT

1 stop10h 30mAmerican Airlines

Mon 3/315:25 pmSTT - STL

2 stops15h 44mAmerican Airlines

Deal found 2/19

$604

Find flights from St. Louis to Saint Thomas Island within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/8

6:47 pm-9:40 am

1 stop13h 53m

Saint Thomas Island Cyril E King

Tue 4/15

10:45 am-5:16 pm

1 stop7h 31m

$147

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/8

6:47 pm-9:40 am

1 stop13h 53m

Saint Thomas Island Cyril E King

Tue 4/15

10:45 am-11:45 am

3 stops26h 00m

$271

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 4/2

5:01 am-2:55 pm

1 stop8h 54m

Saint Thomas Island Cyril E King

Thu 4/10

12:55 pm-10:20 pm

1 stop10h 25m

$509

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Fri 5/16

6:00 am-3:06 pm

1 stop8h 06m

Saint Thomas Island Cyril E King

Tue 5/20

2:43 pm-8:48 pm

1 stop7h 05m

$514

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Tue 4/8

5:35 pm-3:43 pm

3 stops21h 08m

Saint Thomas Island Cyril E King

Tue 4/15

4:45 pm-3:47 pm

3 stops24h 02m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from St. Louis to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Saint Thomas Island in February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from St. Louis 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.

Travel insights for flights from St. Louis to Saint Thomas Island

Get recent, data-driven insights about flights from St. Louis to Saint Thomas Island including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Saint Thomas Island?

The price you pay for your flight from St. Louis to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Saint Thomas Island (average of $433). Flying from St. Louis to Saint Thomas Island in June is currently the most expensive (average of $657). 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 time of day to fly from STL to STT?

When flying from St. Louis to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from St. Louis to Saint Thomas Island to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,219 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,765 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

8,013 reviews

Delta

8.0

Very good

8,219 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from St. Louis to Saint Thomas Island round-trip?
Spirit Airlines, at $147, was found to be the cheapest airline from St. Louis to Saint Thomas Island.Alternate airlines to your destination round-trip include American Airlines and Delta. Spirit Airlines is 76% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from St. Louis to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on St. Louis to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Saint Thomas Island.
Can I find deals for business class flights from St. Louis to Saint Thomas Island?
Yes. Cheapflights offers flight deals from St. Louis to Saint Thomas Island 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 St. Louis to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Saint Thomas Island (average of $433). Flying from St. Louis to Saint Thomas Island in June is currently the most expensive (average of $657). 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from St. Louis to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$211	Average$308	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$454	Average$614	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$487	Average$650	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$487	Average$636	FlexibilityNo cancel fee	On-timeN/A

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$147+ Cheap flights from St. Louis (STL) to Saint Thomas Island (STT)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Lambert-St Louis to Saint Thomas Island Cyril E King are usually found in October or September, booked 44 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Saint Thomas Island

Cheapest flights from St. Louis to Saint Thomas IslandExplore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from St. Louis to Saint Thomas Island within your budget

Compare providers for flights from St. Louis to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Saint Thomas Island in February.

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

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

Travel insights for flights from St. Louis to Saint Thomas Island

Get recent, data-driven insights about flights from St. Louis to Saint Thomas Island including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Saint Thomas Island. Price data was last updated on February 14, 2025.

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

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

Find hourly flight availability from St. Louis to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Reviews of airlines servicing Saint Thomas Island

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from St. Louis to Saint Thomas Island to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Saint Thomas Island. 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 flying from St. Louis to Saint Thomas Island round-trip?

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

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

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

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

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Alternative routes for St. Louis to Saint Thomas Island

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Top 4 airlines flying from St. Louis to Saint Thomas Island

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Cheapest flights from St. Louis to Saint Thomas Island
Explore the most affordable flight options available from St. Louis to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.