Looking for the price of a flight from Saint Louis to Ko Samui?

There’s no fixed price — fares between Saint Louis and Ko Samui can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Are there alternative airports near Saint Louis and Ko Samui?

The two cities are about 14537 km apart. Looking beyond the main airport might reveal better options.

• Airports in Saint Louis: Saint Louis - Lambert is the only airport in operation.
• Airports in Ko Samui: Only Ko Samui - Koh Samui is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Ko Samui has more than one airport, you can pick the most convenient for your destination.

Customize your flight from Saint Louis to Ko Samui

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Thailand? You might also consider: Bangkok, Chiang Mai, Ko Samui, Krabi, Phuket.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.