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St. Louis Lambert International Airport to Singapore Changi Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Singapore Changi Airport over the next 90 days, with one-way fares from TRY 34,954 and round-trip from TRY 65,250. Based on Trip.com's latest 7-day flight data.

    • STL 19:05
      22h 55m
      1 stop
      SIN 07:00
      St. Louis - Singapore | Wed, Nov 18 | United Airlines
      SIN 22:20
      33h 45m
      1 stop
      STL 18:05
      Singapore - St. Louis | Wed, Nov 25 | United Airlines
      TRY 65,250 TRY 90,625
      28% off
      28% off
      TRY 90,625 TRY 65,250
    • STL 08:00
      34h
      1 stop
      SIN 08:00
      St. Louis - Singapore | Sun, Nov 29 | United Airlines
      SIN 10:10
      21h 55m
      1 stop
      STL 18:05
      Singapore - St. Louis | Sun, Dec 6 | United Airlines
      TRY 65,250 TRY 90,625
      28% off
      28% off
      TRY 90,625 TRY 65,250
    • STL 19:05
      22h 55m
      1 stop
      SIN 08:00
      St. Louis - Singapore | Fri, Dec 4 | United Airlines
      SIN 10:10
      21h 55m
      1 stop
      STL 18:05
      Singapore - St. Louis | Fri, Dec 11 | United Airlines
      TRY 65,250 TRY 90,625
      28% off
      28% off
      TRY 90,625 TRY 65,250
    • STL 19:05
      22h 55m
      1 stop
      SIN 08:00
      St. Louis - Singapore | Thu, Dec 3 | United Airlines
      SIN 10:10
      21h 55m
      1 stop
      STL 18:05
      Singapore - St. Louis | Thu, Dec 10 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Sat, Oct 31 | United Airlines
      SIN 08:45
      22h 58m
      1 stop
      STL 18:43
      Singapore - St. Louis | Sat, Nov 7 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Sun, Nov 1 | United Airlines
      SIN 20:35
      35h 8m
      1 stop
      STL 18:43
      Singapore - St. Louis | Sun, Nov 8 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 07:08
      34h 7m
      1 stop
      SIN 06:15
      St. Louis - Singapore | Thu, Nov 5 | United Airlines
      SIN 10:10
      25h 5m
      1 stop
      STL 22:15
      Singapore - St. Louis | Thu, Nov 12 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Mon, Nov 2 | United Airlines
      SIN 20:35
      35h 8m
      1 stop
      STL 18:43
      Singapore - St. Louis | Mon, Nov 9 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Fri, Nov 6 | United Airlines
      SIN 22:20
      32h 45m
      1 stop
      STL 18:05
      Singapore - St. Louis | Fri, Nov 13 | United Airlines
      TRY 65,250
      28% off
      TRY 90,625 TRY 65,250
    • STL 13:00
      17h 25m
      1 stop
      SIN 14:00
      St. Louis - Singapore | Sun, Nov 1 | Normal Airline
      SIN 15:00
      6h
      Direct
      STL 16:00
      Singapore - St. Louis | Tue, Nov 3 | Normal Airline
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    • Cheapest
      STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Tue, Nov 3 | United Airlines
      TRY 34,954 TRY 50,884
      31% off
      31% off
      TRY 50,884 TRY 34,954
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Fri, Nov 6 | United Airlines
      TRY 35,104 TRY 50,884
      31% off
      31% off
      TRY 50,884 TRY 35,104
    • STL 08:00
      23h 15m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Thu, Nov 12 | United Airlines
      TRY 35,104 TRY 50,884
      31% off
      31% off
      TRY 50,884 TRY 35,104
    • STL 08:00
      34h
      1 stop
      SIN 08:00
      St. Louis - Singapore | Sun, Nov 22 | United Airlines
      TRY 35,254
      31% off
      TRY 50,884 TRY 35,254
    • STL 19:05
      35h 10m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Mon, Nov 23 | United Airlines
      TRY 35,254
      31% off
      TRY 50,884 TRY 35,254
    • STL 19:05
      35h 10m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Tue, Nov 24 | United Airlines
      TRY 35,254
      31% off
      TRY 50,884 TRY 35,254
    • STL 19:05
      36h 10m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Tue, Nov 17 | United Airlines
      TRY 35,367
      30% off
      TRY 50,884 TRY 35,367
    • STL 08:00
      23h 15m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Mon, Nov 16 | United Airlines
      TRY 36,103
      28% off
      TRY 50,884 TRY 36,103
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Tue, Nov 10 | United Airlines
      TRY 36,433
      28% off
      TRY 50,884 TRY 36,433
    • STL 13:00
      17h 25m
      1 stop
      SIN 14:00
      St. Louis - Singapore | Sun, Nov 1 | Normal Airline
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    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Tue, Nov 3 | United Airlines
      TRY 34,954 TRY 50,884
      31% off
      31% off
      TRY 50,884 TRY 34,954
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Fri, Nov 6 | United Airlines
      TRY 35,104 TRY 50,884
      31% off
      31% off
      TRY 50,884 TRY 35,104
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Tue, Nov 10 | United Airlines
      TRY 36,433 TRY 50,884
      28% off
      28% off
      TRY 50,884 TRY 36,433
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Mon, Nov 2 | United Airlines
      TRY 36,523
      28% off
      TRY 50,884 TRY 36,523
    • STL 07:08
      22h 27m
      1 stop
      SIN 18:35
      St. Louis - Singapore | Sat, Oct 31 | United Airlines
      TRY 36,636
      28% off
      TRY 50,884 TRY 36,636
    • STL 19:05
      22h 55m
      1 stop
      SIN 07:00
      St. Louis - Singapore | Wed, Nov 18 | United Airlines
      TRY 36,606
      28% off
      TRY 50,884 TRY 36,606
    • STL 08:00
      23h 15m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Thu, Nov 12 | United Airlines
      TRY 35,104
      31% off
      TRY 50,884 TRY 35,104
    • STL 08:00
      23h 15m
      1 stop
      SIN 20:15
      St. Louis - Singapore | Mon, Nov 16 | United Airlines
      TRY 36,103
      28% off
      TRY 50,884 TRY 36,103
    • STL 18:05
      24h 55m
      2 stops
      SIN 09:00
      St. Louis - Singapore | Fri, Dec 11 | Air France
      TRY 70,132
      28% off
      TRY 97,406 TRY 70,132
    • STL 13:00
      17h 25m
      1 stop
      SIN 14:00
      St. Louis - Singapore | Sun, Nov 1 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Singapore Changi Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Singapore Changi Airport is Qatar Airways (from TRY 32,257) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Qatar Airways
From TRY 32,257
American Airlines
From TRY 35,156
United Airlines
From TRY 35,254
Delta Air Lines
From TRY 36,673
All Nippon Airways
From TRY 38,589
Korean Air
From TRY 38,866
Lufthansa
From TRY 43,290
Turkish Airlines
From TRY 43,425
Alaska Airlines
From TRY 62,982

Find more flights and airlines

What is the flight schedule from St. Louis Lambert International Airport to Singapore Changi Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. LH449

    St. Louis Lambert International Airport

    15:40

    STL

    8h 50m

    Direct

    07:30

    FRA

    - - T - T - S
    Search

  2. LH9762

    Frankfurt Airport

    11:25

    FRA

    12h 25m

    Direct

    06:50

    SIN

    S M T W T F S

  3. UA2414

    St. Louis Lambert International Airport

    07:30

    STL

    1h 30m

    Direct

    09:00

    ORD

    S M T W T F S
    Search

  4. KE038

    O'Hare International Airport

    12:10

    ORD

    14h 40m

    Direct

    16:50

    ICN

    S M T W T F S

  5. KE645

    Incheon International Airport

    18:40

    ICN

    6h 15m

    Direct

    23:55

    SIN

    S M T W T F S

  6. LH8923

    St. Louis Lambert International Airport

    13:08

    STL

    1h 31m

    Direct

    14:39

    ORD

    S M T W T F S
    Search

  7. LH431

    O'Hare International Airport

    16:05

    ORD

    7h 20m

    Direct

    06:25

    FRA

    S M T W T F S

  8. LH9762

    Frankfurt Airport

    11:25

    FRA

    12h 25m

    Direct

    06:50

    SIN

    S M T W T F S

  9. KE3735

    St. Louis Lambert International Airport

    06:00

    STL

    1h 40m

    Direct

    08:40

    ATL

    S M T W T F S
    Search

  10. KE034

    Hartsfield–Jackson Atlanta International Airport

    11:45

    ATL

    15h 55m

    Direct

    16:40

    ICN

    S M T W T F S

  11. KE645

    Incheon International Airport

    18:40

    ICN

    6h 15m

    Direct

    23:55

    SIN

    S M T W T F S

  12. TK9564

    St. Louis Lambert International Airport

    07:29

    STL

    1h 31m

    Direct

    09:00

    ORD

    S M T W T F S
    Search

  13. TK186

    O'Hare International Airport

    11:45

    ORD

    10h 25m

    Direct

    07:10

    IST

    S M T W T F S

  14. TK022

    Istanbul Airport

    15:20

    IST

    10h 30m

    Direct

    06:50

    SIN

    S - T W T F -

  15. NH7589

    St. Louis Lambert International Airport

    08:05

    STL

    1h 40m

    Direct

    09:45

    ORD

    S M T W T F S
    Search

  16. NH111

    O'Hare International Airport

    17:45

    ORD

    12h 30m

    Direct

    21:15

    HND

    S M T W T F S

  17. NH843

    Haneda Airport

    00:25

    HND

    7h 30m

    Direct

    06:55

    SIN

    S M T W T F S

  18. UA1257

    St. Louis Lambert International Airport

    08:00

    STL

    4h 36m

    Direct

    10:36

    SFO

    S M T W T F S
    Search

  19. UA001

    San Francisco International Airport

    22:40

    SFO

    15h 35m

    Direct

    06:15

    SIN

    S M T W T F S

  20. DL1492

    St. Louis Lambert International Airport

    17:00

    STL

    3h 26m

    Direct

    19:26

    SLC

    S M T W T F S
    Search

  21. DL2016

    Salt Lake City International Airport

    20:45

    SLC

    2h 25m

    Direct

    22:10

    SEA

    S M T W T F S

  22. SQ027

    Seattle-Tacoma International Airport

    09:40

    SEA

    17h 5m

    Direct

    17:45

    SIN

    - M T W T F S

  23. UA214

    St. Louis Lambert International Airport

    19:05

    STL

    4h 36m

    Direct

    21:41

    SFO

    - - - W T F S
    Search

  24. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  25. LH449

    St. Louis Lambert International Airport

    15:40

    STL

    8h 50m

    Direct

    07:30

    FRA

    - - T - T - S
    Search

  26. LH780

    Frankfurt Airport

    21:40

    FRA

    12h 25m

    Direct

    17:05

    SIN

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

About St. Louis Lambert International Airport and Singapore Changi Airport

Learn about St. Louis Lambert International Airport (STL) and Singapore Changi Airport (SIN) — including location, terminals, transportation, and travel tips.

Flight distance 15,337.23km
Cheapest one-way ticket price TRY 34,954
Cheapest return ticket price TRY 65,250

FAQs for St. Louis Lambert International Airport to Singapore Changi Airport Flights

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

    • The distance from Singapore Changi Airport to downtown is about 17km, by taxi about 30 minutes.
    • The distance from Seletar Airport to downtown is about 15km, by taxi about 30 minutes.
  • One-way flights from St. Louis Lambert International Airport to Singapore Changi Airport currently start from TRY 34,954, and round-trip fares start from TRY 65,250. The current lowest fare is a United Airlines flight departing on Tue, Nov 3; 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 Singapore Changi Airport is TRY 64,610. Prices may vary depending on the departure date, airline, and availability.
  • Enter St. Louis Lambert International Airport and Singapore Changi 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 & Recommendations

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.