STL - STT

$218 Find Cheap Flights from St. Louis to Saint Thomas Island - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Saint Thomas Island departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$435
Typical prices: $497-$650
American Airlines
Sat 8/29Sat 9/5
STL - STT • 2 stops
Cheapest one-way
$218
Overall average: $287
American Airlines
Sat 9/5
STL - STT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Saint Thomas Island. You'll need at least 1 connection.
Insights
Insights
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Insights
Top layover airports
Houston (IAH)
Cheapest • Avg $430 (round-trip)
Charlotte (CLT)
Shortest trip • 6h 27m (one-way)
Insights
Insights
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Insights
When to travel
February
Cheapest • 18% price drop
January
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Saint Thomas Island!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Saint Thomas Island (STL-STT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Saint Thomas Island that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Saint Thomas Island

Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
8:06 pm - 3:52 pm
STL
-
STT
18h 46m
2 stops
American Airlines Logo
4:42 pm - 10:40 pm
STT
-
STL
6h 58m
1 stop
$435American Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
8:06 pm - 3:52 pm
STL
-
STT
18h 46m
2 stops
American Airlines Logo
4:42 pm - 12:54 pm
STT
-
STL
21h 12m
2 stops
$435American Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
5:42 pm - 3:02 pm
STL
-
STT
20h 20m
2 stops
American Airlines Logo
4:42 pm - 10:40 pm
STT
-
STL
6h 58m
1 stop
$435American Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:00 am - 1:34 pm
STL
-
STT
6h 34m
1 stop
Delta Logo
4:13 pm - 11:31 pm
STT
-
STL
8h 18m
1 stop
$440Delta
Fri, Aug 28 - Fri, Sep 4
Delta Logo
6:00 am - 1:34 pm
STL
-
STT
6h 34m
1 stop
Delta Logo
2:49 pm - 11:58 pm
STT
-
STL
10h 09m
1 stop
$440Delta
Sat, Sep 12 - Sat, Sep 19
Southwest Logo
5:05 am - 1:20 pm
STL
-
STT
7h 15m
1 stop
Southwest Logo
2:05 pm - 8:50 pm
STT
-
STL
7h 45m
1 stop
$591Southwest
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
6:50 pm - 12:56 pm
STL
-
STT
17h 06m
2 stops
United Airlines Logo
12:07 pm - 9:40 pm
STT
-
STL
10h 33m
2 stops
$638United Airlines
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
1:08 pm - 12:56 pm
STL
-
STT
22h 48m
2 stops
United Airlines Logo
2:00 pm - 9:56 pm
STT
-
STL
8h 56m
1 stop
$638United Airlines
Mon, Aug 31 - Mon, Sep 7
Southwest Logo
5:10 am - 1:50 pm
STL
-
STT
7h 40m
1 stop
Southwest Logo
2:35 pm - 7:45 am
STT
-
STL
18h 10m
2 stops
$640Southwest
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
11:15 am - 4:15 pm
STL
-
STT
28h 00m
2 stops
Multiple Airlines Logo
5:45 pm - 10:59 pm
STT
-
STL
30h 14m
2 stops
$958Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Saint Thomas Island flights

Get data-powered insights and trends into flights from St. Louis to Saint Thomas Island to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Saint Thomas Island?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Saint Thomas Island departing in August.

Flight prices are below average for this route right now.

Flights to Saint Thomas Island from St. Louis usually cost between $525 and $639 in August.
The lowest price found in the past 5 days was $435 on American Airlines (Aug 29-Sep 5).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Saint Thomas Island, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Saint Thomas Island is February, where tickets cost $536 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $889 and $780 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Saint Thomas Island, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Saint Thomas Island, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Find deals

Good to know

Low season

August

Cheapest flight

$218
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from St. Louis to Saint Thomas Island

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

Are your dates flexible? Find out the best times to travel from St. Louis to Saint Thomas Island based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Saint Thomas Island

  • What is the cheapest flight from St. Louis to Saint Thomas Island?

    In the last 5 days, the lowest price for a flight from St. Louis to Saint Thomas Island was $218 for a one-way ticket and $435 for a round-trip.

  • Do I need a passport to fly between St. Louis and Saint Thomas Island?

    Yes, you'll most likely have to show a valid passport before boarding the plane in St. Louis and on arrival in Saint Thomas Island.

  • Which aircraft models fly most regularly from St. Louis to Saint Thomas Island?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Saint Thomas Island?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between St. Louis and Saint Thomas Island, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Saint Thomas Island, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from St. Louis to Saint Thomas Island are Southwest and Delta. With an average price for the route of $748 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $582 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from St. Louis to Saint Thomas Island?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Saint Thomas Island.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Saint Thomas Island?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint Thomas Island from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Saint Thomas Island?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint Thomas Island with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and STT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Saint Thomas Island?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint Thomas Island from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

St. Louis (STL)
Saint Thomas Island (STT)