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St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport over the next 90 days, with one-way fares from RUB 518,091 and round-trip from RUB 94,361. Based on Trip.com's latest 7-day flight data.

      • STL 7:26 AM
        38h 9m
        2 stops
        BKK 10:35 AM
        St. Louis - Bangkok | Tue, Nov 17 | Cathay Pacific
        BKK 7:15 PM
        34h 29m
        2 stops
        STL 4:44 PM
        Bangkok - St. Louis | Tue, Nov 24 | Cathay Pacific
        RUB 94,361 RUB 136,621
        31% off
        31% off
        RUB 136,621 RUB 94,361
      • STL 8:10 AM
        38h 10m
        2 stops
        BKK 11:20 AM
        St. Louis - Bangkok | Thu, Nov 12 | Cathay Pacific
        BKK 5:45 PM
        35h 58m
        2 stops
        STL 4:43 PM
        Bangkok - St. Louis | Mon, Nov 16 | Cathay Pacific
        RUB 94,603 RUB 136,621
        31% off
        31% off
        RUB 136,621 RUB 94,603
      • STL 7:26 AM
        32h 39m
        2 stops
        BKK 5:05 AM
        St. Louis - Bangkok | Thu, Nov 12 | Japan Airlines
        BKK 7:55 AM
        29h 4m
        2 stops
        STL 11:59 PM
        Bangkok - St. Louis | Mon, Nov 16 | Japan Airlines
        RUB 95,825 RUB 136,621
        30% off
        30% off
        RUB 136,621 RUB 95,825
      • STL 11:00 AM
        35h 30m
        2 stops
        BKK 11:30 AM
        St. Louis - Bangkok | Tue, Nov 17 | United Airlines
        BKK 4:55 PM
        29h
        2 stops
        STL 8:55 AM
        Bangkok - St. Louis | Tue, Nov 24 | United Airlines
        RUB 96,321
        28% off
        RUB 136,621 RUB 96,321
      • STL 7:26 AM
        27h 49m
        2 stops
        BKK 12:15 AM
        St. Louis - Bangkok | Tue, Nov 3 | American Airlines
        BKK 7:30 AM
        29h 29m
        2 stops
        STL 11:59 PM
        Bangkok - St. Louis | Mon, Nov 9 | Cathay Pacific
        RUB 96,500
        28% off
        RUB 136,621 RUB 96,500
      • STL 11:32 AM
        38h 33m
        2 stops
        BKK 2:05 PM
        St. Louis - Bangkok | Tue, Oct 27 | Cathay Pacific
        BKK 7:30 AM
        23h 47m
        2 stops
        STL 6:17 PM
        Bangkok - St. Louis | Tue, Nov 3 | Cathay Pacific
        RUB 97,314
        28% off
        RUB 136,621 RUB 97,314
      • STL 6:00 AM
        45h 30m
        2 stops
        BKK 4:30 PM
        St. Louis - Bangkok | Thu, Nov 12 | STARLUX Airlines
        BKK 1:45 PM
        23h 14m
        2 stops
        STL 11:59 PM
        Bangkok - St. Louis | Mon, Nov 16 | STARLUX Airlines
        RUB 97,569
        28% off
        RUB 136,621 RUB 97,569
      • STL 12:47 PM
        36h 18m
        2 stops
        BKK 1:05 PM
        St. Louis - Bangkok | Tue, Oct 27 | Qatar Airways
        BKK 3:00 AM
        29h 22m
        2 stops
        STL 7:22 PM
        Bangkok - St. Louis | Tue, Nov 3 | Qatar Airways
        RUB 97,849
        28% off
        RUB 136,621 RUB 97,849
      • STL 6:00 AM
        28h 35m
        2 stops
        BKK 11:35 PM
        St. Louis - Bangkok | Thu, Nov 12 | American Airlines
        BKK 7:55 AM
        27h 4m
        2 stops
        STL 9:59 PM
        Bangkok - St. Louis | Mon, Nov 16 | American Airlines
        RUB 98,104
        28% off
        RUB 136,621 RUB 98,104
      • STL 1:40 PM
        33h 50m
        2 stops
        BKK 11:30 AM
        St. Louis - Bangkok | Tue, Oct 27 | United Airlines
        BKK 7:10 AM
        25h 13m
        2 stops
        STL 7:23 PM
        Bangkok - St. Louis | Tue, Nov 3 | United Airlines
        RUB 98,906
        28% off
        RUB 136,621 RUB 98,906
      • STL 7:28 AM
        33h 37m
        2 stops
        BKK 5:05 AM
        St. Louis - Bangkok | Tue, Oct 27 | Japan Airlines
        BKK 10:05 PM
        25h 48m
        2 stops
        STL 10:53 AM
        Bangkok - St. Louis | Tue, Nov 3 | Japan Airlines
        RUB 99,249
        27% off
        RUB 136,621 RUB 99,249
      • STL 6:00 AM
        30h 20m
        2 stops
        BKK 12:20 AM
        St. Louis - Bangkok | Tue, Oct 27 | Korean Air
        BKK 9:40 PM
        28h 59m
        2 stops
        STL 1:39 PM
        Bangkok - St. Louis | Tue, Nov 3 | Korean Air
        RUB 99,733
        27% off
        RUB 136,621 RUB 99,733
      • STL 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        St. Louis - Bangkok | Tue, Oct 13 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        STL 4:00 PM
        Bangkok - St. Louis | Thu, Oct 15 | Normal Airline
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      • STL 4:40 PM
        25h 45m
        1 stop
        BKK 6:25 AM
        St. Louis - Bangkok | Fri, Oct 30 | Lufthansa
        RUB 518,091 RUB 1,160,940
        55% off
        55% off
        RUB 1,160,940 RUB 518,091
      • STL 3:30 PM
        26h 55m
        1 stop
        BKK 6:25 AM
        St. Louis - Bangkok | Tue, Oct 20 | Lufthansa
        RUB 526,773 RUB 1,160,940
        55% off
        55% off
        RUB 1,160,940 RUB 526,773
      • STL 9:35 PM
        30h 30m
        1 stop
        BKK 4:05 PM
        St. Louis - Bangkok | Fri, Oct 23 | British Airways
        RUB 637,378 RUB 1,160,940
        45% off
        45% off
        RUB 1,160,940 RUB 637,378
      • STL 9:35 PM
        30h 30m
        1 stop
        BKK 4:05 PM
        St. Louis - Bangkok | Wed, Oct 21 | British Airways
        RUB 647,741
        44% off
        RUB 1,160,940 RUB 647,741
      • STL 9:35 PM
        30h 30m
        1 stop
        BKK 4:05 PM
        St. Louis - Bangkok | Wed, Oct 14 | British Airways
        RUB 836,181
        28% off
        RUB 1,160,940 RUB 836,181
      • STL 9:35 PM
        30h 30m
        1 stop
        BKK 4:05 PM
        St. Louis - Bangkok | Fri, Oct 16 | British Airways
        RUB 847,486
        27% off
        RUB 1,160,940 RUB 847,486
      • STL 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        St. Louis - Bangkok | Tue, Oct 13 | Normal Airline
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Displayed flight fares from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport is American Airlines (from RUB 48,976) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From RUB 48,976
Qatar Airways
From RUB 50,236
Alaska Airlines
From RUB 50,325
Korean Air
From RUB 52,438
Cathay Pacific
From RUB 53,279
Delta Air Lines
From RUB 54,004
United Airlines
From RUB 54,183
STARLUX Airlines
From RUB 54,208
Japan Airlines
From RUB 54,450

Find more flights and airlines

What is the flight schedule from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS314

    St. Louis Lambert International Airport

    4:42 PM

    STL

    4h 28m

    Nonstop

    7:10 PM

    SEA

    S M T W T F S
    Search

  2. CI021

    Seattle Tacoma Intl. Airport

    1:15 AM

    SEA

    12h 45m

    Nonstop

    5:00 AM

    TPE

    S M T - T - S

  3. CI833

    Taoyuan Intl. Airport

    7:00 AM

    TPE

    3h 45m

    Nonstop

    9:45 AM

    BKK

    S M T W T F S

  4. CX7740

    St. Louis Lambert International Airport

    6:04 AM

    STL

    4h 20m

    Nonstop

    8:24 AM

    LAX

    S M T W T - S
    Search

  5. CX885

    Los Angeles Intl. Airport

    12:25 PM

    LAX

    15h 30m

    Nonstop

    6:55 PM

    HKG

    S M T W T - S

  6. CX617

    Hong Kong Intl. Airport

    10:15 PM

    HKG

    2h 55m

    Nonstop

    12:10 AM

    BKK

    S M T W T F S

  7. AS473

    St. Louis Lambert International Airport

    7:00 AM

    STL

    4h 31m

    Nonstop

    9:31 AM

    SEA

    S M T W T F S
    Search

  8. AS123

    Seattle Tacoma Intl. Airport

    1:30 PM

    SEA

    10h 30m

    Nonstop

    4:00 PM

    NRT

    S M T W T F S

  9. NH805

    Narita Intl. Airport

    7:10 PM

    NRT

    6h 45m

    Nonstop

    11:55 PM

    BKK

    S M T W T F S

  10. KE3735

    St. Louis Lambert International Airport

    6:00 AM

    STL

    1h 40m

    Nonstop

    8:40 AM

    ATL

    S M T W T F S
    Search

  11. KE034

    Hartsfield–Jackson Atlanta International Airport

    11:35 AM

    ATL

    15h 20m

    Nonstop

    3:55 PM

    ICN

    S M T W T F S

  12. KE659

    Incheon Intl. Airport

    7:00 PM

    ICN

    5h 55m

    Nonstop

    10:55 PM

    BKK

    S M T W T F S

  13. AA2208

    St. Louis Lambert International Airport

    11:31 AM

    STL

    1h 28m

    Nonstop

    12:59 PM

    ORD

    S M T W T F S
    Search

  14. AA8404

    O'Hare Intl. Airport

    2:10 PM

    ORD

    13h 20m

    Nonstop

    5:30 PM

    HND

    S M T W T F S

  15. AA8485

    Haneda Airport

    1:20 AM

    HND

    6h 30m

    Nonstop

    5:50 AM

    BKK

    S M T W T F S

  16. JL7683

    St. Louis Lambert International Airport

    11:56 AM

    STL

    1h 27m

    Nonstop

    1:23 PM

    ORD

    S M T W T F S
    Search

  17. JL009

    O'Hare Intl. Airport

    11:40 AM

    ORD

    12h 20m

    Nonstop

    3:00 PM

    HND

    S M T W T F S

  18. JL033

    Haneda Airport

    12:05 AM

    HND

    7h

    Nonstop

    5:05 AM

    BKK

    S M T W T F S

  19. QR8547

    St. Louis Lambert International Airport

    9:32 AM

    STL

    1h 28m

    Nonstop

    11:00 AM

    ORD

    S M T W T F S
    Search

  20. QR726

    O'Hare Intl. Airport

    7:20 PM

    ORD

    13h 30m

    Nonstop

    4:50 PM

    DOH

    S M T W T F S

  21. QR838

    Hamad Intl. Airport

    8:20 PM

    DOH

    6h 20m

    Nonstop

    6:40 AM

    BKK

    S M T W T F S

  22. AA1926

    St. Louis Lambert International Airport

    7:23 AM

    STL

    1h 27m

    Nonstop

    8:50 AM

    ORD

    S M T W T F S
    Search

  23. EY010

    O'Hare Intl. Airport

    2:00 PM

    ORD

    12h 30m

    Nonstop

    12:30 PM

    AUH

    S M T W T F S

  24. EY400

    Abu Dhabi Intl. Airport

    2:20 PM

    AUH

    6h 20m

    Nonstop

    11:40 PM

    BKK

    S M T W T F S

  25. JL7427

    St. Louis Lambert International Airport

    11:56 AM

    STL

    1h 27m

    Nonstop

    1:23 PM

    ORD

    S M T W T F S
    Search

  26. JL009

    O'Hare Intl. Airport

    11:40 AM

    ORD

    12h 20m

    Nonstop

    3:00 PM

    HND

    S M T W T F S

  27. JL033

    Haneda Airport

    12:05 AM

    HND

    7h

    Nonstop

    5:05 AM

    BKK

    S M T W T F S
Find more flights and airlines

About St. Louis Lambert International Airport and Suvarnabhumi Intl. Airport

Learn about St. Louis Lambert International Airport (STL) and Suvarnabhumi Intl. Airport (BKK) — including location, terminals, transportation, and travel tips.

Flight distance 14,086.75 km
Cheapest one-way ticket price RUB 518,091
Cheapest return ticket price RUB 94,361

FAQs for St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport Flights

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

    • The distance from Suvarnabhumi Airport to downtown is about 24 km. It takes about 40 minutes by taxi.
    • The distance from Don Mueang International Airport to downtown is about 22 km. It takes about 40 minutes by taxi.
  • One-way flights from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport currently start from RUB 518,091, and round-trip fares start from RUB 94,361. The current lowest fare is a Lufthansa flight departing on Fri, Oct 30; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Suvarnabhumi Intl. Airport is RUB 634,500. Prices may vary depending on the departure date, airline, and availability.
  • Enter St. Louis Lambert International Airport and Suvarnabhumi Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.