What is the cheapest airline that flies from Lambert-St Louis to Saint Thomas Island Cyril E King?

American Airlines is the most popular carrier operating from Lambert-St Louis to Saint Thomas Island Cyril E King

Which airport is the most popular layover for flights between St. Louis and Saint Thomas Island?

Atlanta (ATL) was the most common stop: 81% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Saint Thomas Island?

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $193.

Which layover airport has the shortest connection time from St. Louis to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 1h 15m.

Which layover airport has the shortest travel time from St. Louis to Saint Thomas Island?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 51m.

What airlines fly to Saint Thomas Island?

American Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Saint Thomas Island from St. Louis according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 4 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport is 4 as of September 2025.

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.

$238 Cheap Flights from St. Louis to Saint Thomas Island in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Saint Thomas Island?

Prices are currently low for flights on this route. Typical prices usually range from $509 to $599. The lowest price recently found on this route was $251.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Cheap round-trip flights

7:15 pm - 9:56 amSTL-STT

13h 41m1 stop

11:01 am - 6:10 pmSTT-STL

8h 09m1 stop

$251Spirit Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

7:15 pm - 9:56 amSTL-STT

13h 41m1 stop

11:01 am - 6:10 pmSTT-STL

8h 09m1 stop

$263Spirit Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

7:15 pm - 9:56 amSTL-STT

13h 41m1 stop

11:01 am - 10:02 amSTT-STL

24h 01m1 stop

$303Spirit Airlines

Find Deal

Sat, Oct 11 - Wed, Oct 22

7:15 pm - 9:56 amSTL-STT

13h 41m1 stop

11:01 am - 10:02 amSTT-STL

24h 01m1 stop

$305Spirit Airlines

Find Deal

Sat, Oct 11 - Wed, Oct 22

7:15 pm - 9:56 amSTL-STT

13h 41m1 stop

11:01 am - 6:10 pmSTT-STL

8h 09m1 stop

$306Spirit Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

7:15 pm - 12:59 pmSTL-STT

16h 44m2 stops

11:01 am - 6:10 pmSTT-STL

8h 09m1 stop

$308Spirit Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

12:20 pm - 12:28 pmSTL-STT

22h 08m1 stop

1:33 pm - 11:01 amSTT-STL

23h 28m1 stop

$311Spirit Airlines

Find Deal

Sun, Nov 9 - Sat, Nov 15

12:20 pm - 12:28 pmSTL-STT

22h 08m1 stop

1:33 pm - 11:01 amSTT-STL

23h 28m1 stop

$312Spirit Airlines

Find Deal

Sun, Nov 9 - Sat, Nov 15

6:05 pm - 9:56 amSTL-STT

38h 51m2 stops

11:01 am - 6:10 pmSTT-STL

8h 09m1 stop

$323Multiple Airlines

Find Deal

Sun, Oct 12 - Sat, Oct 18

11:32 am - 9:56 amSTL-STT

21h 24m2 stops

11:01 am - 10:02 amSTT-STL

24h 01m1 stop

$328Multiple Airlines

Find Deal

Fri, Oct 17 - Wed, Oct 22

Spirit Airlines flights from St. Louis to Saint Thomas Island

Our best Spirit Airlines deals on St. Louis to Saint Thomas Island flight tickets

Spirit Airlines

Oct 18

STL7:15 pmLambert-St Louis

13h 41m

1 stop

STT9:56 amSaint Thomas Island Cyril E King

Oct 25

STT11:01 amSaint Thomas Island Cyril E King

8h 09m

1 stop

STL6:10 pmLambert-St Louis

$251

Find similar

Spirit Airlines

Oct 18

STL7:15 pmLambert-St Louis

13h 41m

1 stop

STT9:56 amSaint Thomas Island Cyril E King

Oct 25

STT11:01 amSaint Thomas Island Cyril E King

8h 09m

1 stop

STL6:10 pmLambert-St Louis

$263

Find similar

Spirit Airlines

Oct 11

STL7:15 pmLambert-St Louis

13h 41m

1 stop

STT9:56 amSaint Thomas Island Cyril E King

Oct 22

STT11:01 amSaint Thomas Island Cyril E King

24h 01m

1 stop

STL10:02 amLambert-St Louis

$303

Find similar

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

Oct 1

STL6:00 pmLambert-St Louis

21h 00m

2 stops

STT4:00 pmSaint Thomas Island Cyril E King

Oct 5

STT1:40 pmSaint Thomas Island Cyril E King

11h 19m

1 stop

STL11:59 pmLambert-St Louis

$821

Find similar

American Airlines

Sep 19

STL3:34 pmLambert-St Louis

20h 16m

2 stops

STT12:50 pmSaint Thomas Island Cyril E King

Sep 28

STT5:10 pmSaint Thomas Island Cyril E King

7h 49m

1 stop

STL11:59 pmLambert-St Louis

$861

Find similar

American Airlines

Sep 19

STL6:29 amLambert-St Louis

8h 31m

2 stops

STT4:00 pmSaint Thomas Island Cyril E King

Sep 21

STT5:10 pmSaint Thomas Island Cyril E King

17h 06m

2 stops

STL9:16 amLambert-St Louis

$879

Find similar

momondo Fare Finder

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

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/18

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Sat 10/25

11:01 am-6:10 pm

1 stop8h 09m

$251

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/18

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Sat 10/25

11:01 am-6:10 pm

1 stop8h 09m

$263

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/11

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Wed 10/22

11:01 am-10:02 am

1 stop24h 01m

$303

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/11

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Wed 10/22

11:01 am-10:02 am

1 stop24h 01m

$305

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/11

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Sat 10/18

11:01 am-6:10 pm

1 stop8h 09m

$306

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/18

7:15 pm-12:59 pm

2 stops16h 44m

Saint Thomas Island Cyril E King

Sat 10/25

11:01 am-6:10 pm

1 stop8h 09m

$308

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sun 11/9

12:20 pm-12:28 pm

1 stop22h 08m

Saint Thomas Island Cyril E King

Sat 11/15

1:33 pm-11:01 am

1 stop23h 28m

$311

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sun 11/9

12:20 pm-12:28 pm

1 stop22h 08m

Saint Thomas Island Cyril E King

Sat 11/15

1:33 pm-11:01 am

1 stop23h 28m

$312

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sun 10/12

6:05 pm-9:56 am

2 stops38h 51m

Saint Thomas Island Cyril E King

Sat 10/18

11:01 am-6:10 pm

1 stop8h 09m

$323

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Fri 10/17

11:32 am-9:56 am

2 stops21h 24m

Saint Thomas Island Cyril E King

Wed 10/22

11:01 am-10:02 am

1 stop24h 01m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 August is another great option to travel to Saint Thomas Island, with average flight prices from St. Louis averaging around $549.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $555. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Saint Thomas Island for around $692.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the evening when flights can be purchased for as low as $329. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $624. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $671 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 $610 on momondo.

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

You could potentially save up to 35% on your flight if you consider stops on a St. Louis to Saint Thomas Island flight.

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

Direct flights	None

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 13h 41m.
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?
The number of operators available for flights from Lambert-St Louis Airport to Saint Thomas Island Cyril E King Airport is 4 as of September 2025.
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?
Based on momondo bookings for flights between St. Louis and Saint Thomas Island, the leading airline is American Airlines, making up 67% of the total bookings. Other popular airlines include Delta with 19%, United Airlines with 8%, and Spirit Airlines with 6%.

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 Airlines	PriceFrom $147	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $454	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $509	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 10/17

Fri 10/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from St. Louis to Saint Thomas Island from $238

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Spirit Airlines flights from St. Louis to Saint Thomas Island

Our best Spirit Airlines deals on St. Louis to Saint Thomas Island flight tickets

American Airlines flights from St. Louis to Saint Thomas Island

Our best American Airlines deals on St. Louis to Saint Thomas Island flight tickets

momondo Fare Finder

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

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 August is another great option to travel to Saint Thomas Island, with average flight prices from St. Louis averaging around $549.

What is the cheapest day to depart on your flight to Saint Thomas Island?

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

How far in advance should I book a flight to Saint Thomas Island?

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

You could potentially save up to 35% on your flight if you consider stops on a St. Louis to Saint Thomas Island flight.

What is the cheapest airline that flies from Lambert-St Louis to Saint Thomas Island Cyril E King?

American Airlines is the most popular carrier operating from Lambert-St Louis to Saint Thomas Island Cyril E King

What airlines fly to Saint Thomas Island?

Which airport is the most popular layover for flights between St. Louis and Saint Thomas Island?

Atlanta (ATL) was the most common stop: 81% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Saint Thomas Island?

Flights via Fort Lauderdale (FLL) offer the lowest average round-trip price of $193.

Which layover airport has the shortest travel time from St. Louis to Saint Thomas Island?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 51m.

Which layover airport has the shortest connection time from St. Louis to Saint Thomas Island?

Atlanta (ATL) has the shortest average layover time for this route: 1h 15m.

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

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

Direct flights

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

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

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?

What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

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

Traveling to a place near Saint Thomas Island?

Why use momondo?

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

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

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

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

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands