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Flights from Koh Samui to St. Louis Starting at Rs 568,248

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

  • Round-trip

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

Find the best time to fly from Koh Samui to St. Louis

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

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

Alternative Routes from Koh Samui to St. Louis

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Koh Samui to St. Louis.

  • Cheapest
    Cathay Pacific
    USM
    11:40
    47h 25m
    4 transfer
    STL
    22:05
    Samui International Airport - St.Louis Lambert International Airport
    Wed, Dec 4Cathay Pacific
    Rs 568,248
  • Cathay Pacific
    USM
    11:40
    47h 25m
    4 transfer
    STL
    22:05
    Samui International Airport - St.Louis Lambert International Airport
    Wed, Dec 4Cathay Pacific
    Rs 568,248
    Find More Flights

FAQ

  • When are flight tickets from Koh Samui (USM) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Koh Samui to St. Louis 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 Koh Samui (USM) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around Rs 748,694.
  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St.Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

How to find a cheap flight from Koh Samui to St. Louis

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 Koh Samui to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Koh Samui to St. Louis

Off-season for travelMay
Peak season for travelApril
Flight distance14,554.87 km
Popular airlineBangkok Airways