STL - STT

$262 Find Cheap Flights from St. Louis to Saint Thomas Island - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$484
Typical prices: $519-$787
American Airlines
Fri 11/30Sat 12/8
STL - STT • 1 stop
Cheapest one-way
$262
Typical prices: $230-$408
American Airlines
Thu 3/15
STL - STT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Saint Thomas Island. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 20% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $684 (round-trip)
Miami (MIA)
Shortest trip • 7h 15m (one-way)
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Insights
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We hope you love your trip to Saint Thomas Island!
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Flight Deals

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

 
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

Tue, Dec 1 - Tue, Dec 8
American Airlines Logo
6:15 pm - 12:17 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
16h 02m1 stop Miami
American Airlines Logo
2:02 pm - 10:10 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
10h 08m1 stop Charlotte Douglas
$484American Airlines
Mon, Nov 30 - Tue, Dec 8
American Airlines Logo
5:00 am - 1:41 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
6h 41m1 stop Charlotte Douglas
American Airlines Logo
4:38 pm - 10:10 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
7h 32m1 stop Charlotte Douglas
$484American Airlines
Mon, Jan 11 - Wed, Jan 20
Southwest Logo
6:00 am - 2:55 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
6h 55m1 stop Orlando
Southwest Logo
2:10 pm - 9:45 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
9h 35m2 stops Orlando Nashville Intl
$484Southwest
Mon, Jan 11 - Wed, Jan 20
Southwest Logo
6:00 am - 2:55 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
6h 55m1 stop Orlando
Southwest Logo
2:10 pm - 9:35 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
9h 25m1 stop Orlando
$484Southwest
Mon, Jan 18 - Fri, Jan 22
Delta Logo
6:00 am - 2:53 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
6h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:03 pm - 11:26 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
9h 23m1 stop Atlanta Hartsfield-Jackson
$520Delta
Mon, Jan 18 - Sun, Jan 24
Delta Logo
7:07 am - 3:49 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
6h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:03 pm - 9:45 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
7h 42m1 stop Atlanta Hartsfield-Jackson
$524Delta
Thu, Jan 7 - Sun, Jan 10
United Airlines Logo
5:00 am - 4:20 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
9h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
3:00 pm - 11:20 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
10h 20m1 stop Chicago O'Hare Intl
$567United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
5:00 am - 2:31 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
7h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
3:00 pm - 9:52 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
8h 52m1 stop Newark
$663United Airlines
Thu, Dec 17 - Tue, Dec 22
Multiple Airlines Logo
4:46 pm - 12:46 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
18h 00m2 stops Orlando San Juan Luis Munoz Marin Intl
Multiple Airlines Logo
10:45 am - 10:53 amSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
26h 08m3 stops San Juan Luis Munoz Marin Intl Fort Lauderdale Atlanta Hartsfield-Jackson
$886Multiple Airlines
Mon, Nov 16 - Fri, Nov 20
Multiple Airlines Logo
4:26 pm - 4:13 pmSTL  Lambert-St Louis-STT Saint Thomas Island Cyril E King
21h 47m3 stops Orlando Philadelphia San Juan Luis Munoz Marin Intl
Multiple Airlines Logo
2:22 pm - 12:25 pmSTT  Saint Thomas Island Cyril E King-STL Lambert-St Louis
24h 03m3 stops San Juan Luis Munoz Marin Intl Philadelphia Orlando
$976Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Saint Thomas Island flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from St. Louis to Saint Thomas Island typically range from $519 to $787. The lowest price found in the past 5 days was $484, on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Saint Thomas Island?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from St. Louis to Saint Thomas Island. It’s 18% cheaper than the average day, while Saturday is the most expensive, with prices 19% higher.

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

•February is the cheapest month to fly from St. Louis to Saint Thomas Island at $511 round-trip.
•July ($780) and June ($745) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 52% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Saint Thomas Island the cheapest?

Flights from St. Louis to Saint Thomas Island are cheapest 6 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for St. Louis to Saint Thomas Island flights

Low season

September

Cheapest flight

$262
Beat the crowds with an average 46% drop in travelers.
The most popular month to fly with an average 30% increase in travelers.
One-way 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

Your St. Louis to Saint Thomas Island flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Saint Thomas Island?

    Two cabin classes are available on flights from St. Louis to Saint Thomas Island:

    • Economy Class
    • First Class

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

    A nonstop flight from St. Louis to Saint Thomas Island takes 00m, covering 2,074 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Saint Thomas Island flight?

    Round-trip flights from St. Louis to Saint Thomas Island range from $519 to $787, with an average of $640 over the past 12 months. Anything below $519 counts as a good deal.

  • How expensive are last-minute St. Louis to Saint Thomas Island flights?

    Last-minute fares on this route (booked within two weeks of departure) run 41% above the $640 route average. Book 6 weeks before departure for the lowest fares.

  • Have flight prices from St. Louis to Saint Thomas Island changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $484 to $3,407. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from St. Louis to Saint Thomas Island looking right now?

    One-way fares from St. Louis to Saint Thomas Island are currently higher than usual. Average one-way flight prices are about $324, which is 21% above the typical average for this route.

  • What car rental options are available at Saint Thomas Island Cyril E King Airport (STT)?

    Saint Thomas Island Cyril E King Airport (STT) hosts 5 major car rental companies, with daily rates averaging $72 for economy cars. Top options include:

    • Budget
    • Thrifty
    • Dollar
    • Alamo
    • Hertz

  • Which airports can I use when flying from St. Louis to Saint Thomas Island?

    Flights from St. Louis to Saint Thomas Island usually depart from Lambert-St Louis (STL) and arrive at Saint Thomas Island Cyril E King (STT).

  • Which airports do connecting flights from St. Louis to Saint Thomas Island pass through?

    One-stop flights from St. Louis to Saint Thomas Island most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
    • Miami (MIA) - 24% of one-stop connections
    • Orlando (MCO) - 19% of one-stop connections
    • Charlotte Douglas (CLT) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Saint Thomas Island?

    Yes. Flexible dates can save you up to 31% on flights from St. Louis to Saint Thomas Island. Wednesday is the cheapest departure day at $530 round-trip on average, while Saturday is the most expensive at $765, a difference of $235.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Saint Thomas Island?

    Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 7h 15m, compared with 7h 28m via Atlanta Hartsfield-Jackson (ATL) and 7h 30m via Philadelphia (PHL).

  • What is the time difference between St. Louis and Saint Thomas Island?

    Saint Thomas Island is 2 hours ahead of St. Louis (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Saint Thomas Island?

    Some of the most popular sights in Saint Thomas Island are Sapphire Beach, Coki Beach and 99 Steps. These are among the most viewed places in Saint Thomas Island on KAYAK.

Your guide to booking St. Louis to Saint Thomas Island flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $530, about $235 less than Saturday fares (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Saint Thomas Island trip for February. Fares historically average $511 round-trip in that month - typically $269 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Saint Thomas Island Cyril E King Airport.

    • Starz Hotel
    • Sunset Gardens Guesthouse
    • Island View Guesthouse

More options for your flight from St. Louis to Saint Thomas Island

Complete your trip to Saint Thomas Island with a hotel stay or car rental

Car rentals in Saint Thomas Island
Hotels in Saint Thomas Island
Vacations in Saint Thomas Island