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St. Louis Lambert International Airport to Samui International Airport flight
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Cheap Flight Deals from St. Louis Lambert International Airport to Samui International Airport

Search for flights from St. Louis to Koh Samui and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search
    • STL13:00
      3h 5m
      Nonstop
      USM14:00
      St. Louis - Koh Samui|Tue, Dec 3|Normal Airline
      Search
      Search

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

Selected Airlines from St. Louis Lambert International Airport to Samui International Airport

See which airlines fly from St. Louis to Koh Samui. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

United Airlines
From NZD 2,631
American Airlines
From NZD 3,225
Cathay Pacific
From NZD 3,263

Find more flights and airlines

Flight Schedule from St. Louis Lambert International Airport to Samui International Airport

Check the schedule for flights from St. Louis to Koh Samui and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. CX7740

    Cathay Pacific

    07:00

    STL

    4.0h

    09:01

    LAX

    --TWT-S
    Search

  2. CX881

    Cathay Pacific

    23:20

    LAX

    16.0h

    07:20

    HKG

    SMTWTFS

  3. CX6503

    Cathay Pacific

    17:05

    HKG

    3.5h

    19:35

    USM

    SMTWTFS

  4. UA246

    United Airlines

    07:09

    STL

    4.6h

    09:45

    SFO

    SMTWTFS
    Search

  5. UA001

    United Airlines

    22:40

    SFO

    17.3h

    08:00

    SIN

    SMTWTFS

  6. PG962

    Bangkok Airways

    20:10

    SIN

    1.9h

    21:05

    USM

    SMTWTFS

  7. AA6269

    American Airlines

    15:45

    STL

    4.2h

    17:57

    LAX

    ---W---
    Search

  8. CX881

    Cathay Pacific

    23:20

    LAX

    16.0h

    07:20

    HKG

    SMTWTFS

  9. CX6503

    Cathay Pacific

    17:05

    HKG

    3.5h

    19:35

    USM

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to Samui International Airport Flights Info

Flight distance14,553.29km

FAQs for St. Louis Lambert International Airport to Samui International Airport Flights

  • What is the transportation method from the main airport to downtown in Koh Samui?

    • The distance from Samui International Airport to downtown is about 3km, by taxi about 20 minutes.

  • What's the closest airport to Samui International Airport (USM)?

    The closest airport to Samui International Airport (USM) is Pauloff Harbour. The distance is around 15km.

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