Cheap Flights from St. Louis Lambert International Airport to Samui International Airport (STL - USM) 2025 ✈ from £1,208 | Trip.com
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St. Louis Lambert International Airport to Samui International Airport flight

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.

  • Round-trip
  • One way

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 £1,208
American Airlines
From £1,727
Cathay Pacific
From £1,742
Alaska Airlines
From £1,872
Lufthansa
From £7,445

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. LH449

    St. Louis Lambert International Airport

    15:30

    STL

    8h 55m

    07:25

    FRA

    - - T - T - S
    Search

  2. TG921

    Frankfurt Airport

    14:45

    FRA

    10h 40m

    06:25

    BKK

    S M T W T F S

  3. PG123

    Suvarnabhumi Airport

    08:10

    BKK

    1h 10m

    09:20

    USM

    S M T W T F S

  4. LH449

    St. Louis Lambert International Airport

    15:30

    STL

    8h 55m

    07:25

    FRA

    - - T - T - S
    Search

  5. TG921

    Frankfurt Airport

    14:45

    FRA

    10h 40m

    06:25

    BKK

    S M T W T F S

  6. PG127

    Suvarnabhumi Airport

    10:10

    BKK

    1h 30m

    11:40

    USM

    S M T W T F S

  7. LH449

    St. Louis Lambert International Airport

    15:30

    STL

    8h 55m

    07:25

    FRA

    - - T - T - S
    Search

  8. TG921

    Frankfurt Airport

    14:45

    FRA

    10h 40m

    06:25

    BKK

    S M T W T F S

  9. PG131

    Suvarnabhumi Airport

    10:25

    BKK

    1h 35m

    12:00

    USM

    S M T W T F S

  10. UA246

    St. Louis Lambert International Airport

    06:09

    STL

    4h 16m

    08:25

    SFO

    S M T W T F S
    Search

  11. UA029

    San Francisco International Airport

    11:00

    SFO

    16h 25m

    18:25

    SIN

    S M T W T F S

  12. TR640

    Singapore Changi Airport

    07:00

    SIN

    2h

    08:00

    USM

    S M T W T F S

  13. UA246

    St. Louis Lambert International Airport

    06:09

    STL

    4h 16m

    08:25

    SFO

    S M T W T F S
    Search

  14. UA001

    San Francisco International Airport

    22:40

    SFO

    17h 5m

    06:45

    SIN

    S M T W T F S

  15. PG966

    Singapore Changi Airport

    12:15

    SIN

    1h 55m

    13:10

    USM

    - M - W - F -

  16. AA4591

    St. Louis Lambert International Airport

    10:12

    STL

    1h 22m

    11:34

    ORD

    - - - W - - -
    Search

  17. CX807

    O'Hare International Airport

    15:40

    ORD

    15h 55m

    20:35

    HKG

    S M T W T F S

  18. CX6503

    Hong Kong International Airport

    17:05

    HKG

    3h 30m

    19:35

    USM

    S M T W T F S

  19. UA246

    St. Louis Lambert International Airport

    06:09

    STL

    4h 16m

    08:25

    SFO

    S M T W T F S
    Search

  20. UA001

    San Francisco International Airport

    22:40

    SFO

    17h 5m

    06:45

    SIN

    S M T W T F S

  21. PG968

    Singapore Changi Airport

    17:20

    SIN

    1h 55m

    18:15

    USM

    S M T W T F S

  22. UA246

    St. Louis Lambert International Airport

    06:09

    STL

    4h 16m

    08:25

    SFO

    S M T W T F S
    Search

  23. UA029

    San Francisco International Airport

    11:00

    SFO

    16h 25m

    18:25

    SIN

    S M T W T F S

  24. PG968

    Singapore Changi Airport

    17:20

    SIN

    1h 55m

    18:15

    USM

    S M T W T F S

  25. AA3242

    St. Louis Lambert International Airport

    06:52

    STL

    4h 6m

    08:58

    LAX

    S M - - T F -
    Search

  26. UA152

    Los Angeles International Airport

    23:15

    LAX

    15h 25m

    05:40

    HKG

    S M T W T F S

  27. PG806

    Hong Kong International Airport

    16:15

    HKG

    3h 20m

    18:35

    USM

    S M T W T F S

  28. CX7740

    St. Louis Lambert International Airport

    06:52

    STL

    4h 6m

    08:58

    LAX

    S - - - T - -
    Search

  29. CX883

    Los Angeles International Airport

    23:30

    LAX

    15h 15m

    05:45

    HKG

    S M T W T F S

  30. CX6503

    Hong Kong International Airport

    17:05

    HKG

    3h 30m

    19:35

    USM

    S M T W T F S
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St. Louis Lambert International Airport to Samui International Airport Flights Info

Flight distance 14,553.29km

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.

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