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St. Louis Lambert International Airport to Bangkok flight
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Cheap Flights from St. Louis Lambert International Airport to Bangkok

Search for flights from St. Louis Lambert International Airport to Bangkok and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL20:04
        45h 46m
        2 stops
        BKK05:50
        St. Louis - Bangkok|Wed, May 15|Frontier Airlines
        CAD 834CAD 1,156
        28% OFF
        28% OFF
        CAD 1,156CAD 834
      • STL06:29
        27h 16m
        2 stops
        BKK21:45
        St. Louis - Bangkok|Tue, Jul 23|American Airlines
        CAD 846CAD 1,156
        27% OFF
        27% OFF
        CAD 1,156CAD 846
      • STL14:55
        58h 50m
        2 stops
        BKK13:45
        St. Louis - Bangkok|Wed, May 8|Delta Air Lines
        CAD 867CAD 1,156
        25% OFF
        25% OFF
        CAD 1,156CAD 867
      • STL16:02
        57h 43m
        2 stops
        BKK13:45
        St. Louis - Bangkok|Wed, May 8|American Airlines
        CAD 873
        CAD 873
      • STL14:12
        37h 13m
        2 stops
        BKK15:25
        St. Louis - Bangkok|Wed, Jul 31|Frontier Airlines
        CAD 875
        CAD 875
      • STL06:29
        42h 46m
        2 stops
        BKK13:15
        St. Louis - Bangkok|Tue, Jul 30|American Airlines
        CAD 876
        CAD 876
      • STL17:35
        56h 10m
        2 stops
        BKK13:45
        St. Louis - Bangkok|Mon, May 6|United Airlines
        CAD 885
        CAD 885
      • STL20:04
        39h 6m
        2 stops
        BKK23:10
        St. Louis - Bangkok|Wed, May 8|Frontier Airlines
        CAD 894
        CAD 894
      • STL14:55
        58h 50m
        2 stops
        BKK13:45
        St. Louis - Bangkok|Tue, May 7|Delta Air Lines
        CAD 911
        CAD 911
      • STL16:02
        57h 43m
        2 stops
        BKK13:45
        St. Louis - Bangkok|Tue, May 7|American Airlines
        CAD 917
        CAD 917
      • STL13:00
        3h 5m
        Direct
        BKK14:00
        St. Louis - Bangkok|Sun, May 12|Frontier Airlines
        Find More Flights
        Find More Flights

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 Bangkok

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

Frontier Airlines
From CAD 834
American Airlines
From CAD 846
Delta Air Lines
From CAD 867
United Airlines
From CAD 885
Alaska Airlines
From CAD 974
Southwest Airlines
From CAD 1,001
Cathay Pacific
From CAD 1,023
Qatar Airways
From CAD 1,134
Japan Airlines
From CAD 1,148
Turkish Airlines
From CAD 1,175
ANA airlines
Find more flights and airlines

Find Suitable Airport in Bangkok

Learn about different airports in Bangkok, find the best flight and transfer options, and plan your journey.

  • 27.59 km from central BangkokCheapest
    Suvarnabhumi Airport
    Tickets From
    CAD 834
  • 23.01 km from central BangkokClosest
    Don Mueang International Airport
    Tickets From
    CAD 1,350
Flight Schedule from St. Louis Lambert International Airport to Bangkok

Check the schedule for flights from St. Louis Lambert International Airport to Bangkok and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. CX7740

    Cathay Pacific

    06:29

    STL

    3.9h

    08:20

    LAX

    SMTWTFS
    Search

  2. CX883

    Cathay Pacific

    00:15

    LAX

    14.5h

    05:45

    HKG

    S--W-F-

  3. CX653

    Cathay Pacific

    12:00

    HKG

    3.0h

    14:00

    BKK

    SMTW--S

  4. UA2295

    United Airlines

    06:30

    STL

    2.5h

    09:59

    EWR

    SMTWTFS
    Search

  5. KE082

    Korean Air

    13:30

    JFK

    15.3h

    17:50

    ICN

    SMTWTFS

  6. KE659

    Korean Air

    19:45

    ICN

    5.8h

    23:35

    BKK

    SMTWTFS

  7. AS473

    Alaska Airlines

    07:00

    STL

    4.4h

    09:25

    SEA

    SMTWTFS
    Search

  8. KE042

    Korean Air

    13:00

    SEA

    11.7h

    16:40

    ICN

    SMTWTFS

  9. KE659

    Korean Air

    19:45

    ICN

    5.8h

    23:35

    BKK

    SMTWTFS

  10. AS473

    Alaska Airlines

    07:00

    STL

    4.4h

    09:25

    SEA

    SMTWTFS
    Search

  11. JL067

    Japan Airlines

    13:30

    SEA

    10.0h

    15:30

    NRT

    SMTWTFS

  12. JL707

    Japan Airlines

    18:20

    NRT

    6.7h

    23:00

    BKK

    SMTWTFS

  13. AS473

    Alaska Airlines

    07:00

    STL

    4.4h

    09:25

    SEA

    SMTWTFS
    Search

  14. DL197

    Delta Air Lines

    12:45

    SEA

    11.8h

    16:30

    ICN

    SMTWTFS

  15. DL7852

    Delta Air Lines

    18:05

    ICN

    5.7h

    21:45

    BKK

    SMTWTFS

  16. QR2922

    Qatar Airways

    12:01

    STL

    2.0h

    14:00

    DFW

    SMTWTFS
    Search

  17. QR732

    Qatar Airways

    22:55

    DFW

    14.4h

    21:20

    DOH

    SMTWTFS

  18. QR836

    Qatar Airways

    02:15

    DOH

    6.9h

    13:10

    BKK

    SMTWTFS

  19. AA4383

    American Airlines

    16:02

    STL

    2.4h

    19:28

    LGA

    SMTWT-S
    Search

  20. QR706

    Qatar Airways

    01:20

    JFK

    12.3h

    20:40

    DOH

    S-TW-F-

  21. QR834

    Qatar Airways

    01:50

    DOH

    6.9h

    12:45

    BKK

    SMTWTFS

  22. TK9564

    Turkish Airlines

    17:30

    STL

    1.4h

    18:55

    ORD

    SMTWTFS
    Search

  23. TK006

    Turkish Airlines

    20:30

    ORD

    10.9h

    15:25

    IST

    SMTWTFS

  24. TK064

    Turkish Airlines

    21:00

    IST

    9.8h

    10:50

    BKK

    --T-T-S

  25. AA2277

    American Airlines

    18:02

    STL

    4.0h

    20:04

    LAX

    SMTWTFS
    Search

  26. PR103

    Philippine Airlines

    23:40

    LAX

    14.8h

    05:30

    MNL

    SMTWTFS

  27. PR736

    Philippine Airlines

    14:35

    MNL

    3.6h

    17:10

    BKK

    SMTWTFS

  28. AA2277

    American Airlines

    18:02

    STL

    4.0h

    20:04

    LAX

    SMTWTFS
    Search

  29. JL7015

    Japan Airlines

    01:20

    LAX

    11.4h

    04:45

    HND

    SMTWTFS

  30. JL031

    Japan Airlines

    10:55

    HND

    6.5h

    15:25

    BKK

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from St. Louis Lambert International Airport to Bangkok

Cheapest direct flight price

CAD 9,733

Cheapest month

March

Peak season for travel

June

FAQs for St. Louis Lambert International Airport to Bangkok Flights

  • How many airports in Bangkok (BKK)?

    There are 2 airport(s) in Bangkok (BKK): Suvarnabhumi Airport and Don Mueang International Airport.

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

    • The distance from Suvarnabhumi Airport to downtown is about 24km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22km, by taxi about 40 minutes.

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