Cheap flight deals from St. Louis to Saint Thomas

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from St. Louis to Saint Thomas?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13
13 20
20 27
Aug

27 3

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Saint Thomas (STT) the cheapest?

Airlines adjust prices for flights from St. Louis to Saint Thomas based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Saint Thomas (STT) cost?

According to Trip.com's data, the lowest price is around Rp 11,809,350.

How to find a cheap flight from St. Louis to Saint Thomas

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Saint Thomas. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest St. Louis to Saint Thomas ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from St. Louis to Saint Thomas for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 2672290 for a one-way ticket on Fri, May 16.

Compare cheap St. Louis to Saint Thomas flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from St. Louis to Saint Thomas. The most affordable airline currently operating on this route is Frontier Airlines.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your St. Louis to Saint Thomas route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap St. Louis to Saint Thomas flight deals and promo codes.

Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.

Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from St. Louis to Saint Thomas to access exclusive deals just for you.

Flight Info | St. Louis to Saint Thomas

Cheapest one-way flight price	Rp 2,672,289
Off-season for travel	April
Peak season for travel	June
Flight distance	3,319.44 km
Popular airline	American Airlines