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Cheap Flights from St. Louis to Singapore
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Cheap Flights from St. Louis to Singapore starting at S$ 822

Whether you’re going for a one-way or round-trip to Singapore, we’ve got you covered! Check out these different flight options from St. Louis below.

  • One way
  • Round-trip
      • STL10:25
        31h 35m
        1 stop
        SIN08:00
        Tue, Feb 18|St. Louis - Singapore|Southwest Airlines
        S$ 822S$ 1,251
        34% OFF
        34% OFF
        S$ 1,251S$ 822

        Fly from St. Louis to Singapore on Tue, Feb 18 with Southwest Airlines. One-way connecting flights with Southwest Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 822 including taxes and charges.

      • STL07:00
        35h
        1 stop
        SIN07:00
        Wed, Mar 19|St. Louis - Singapore|United Airlines
        S$ 835S$ 1,251
        33% OFF
        33% OFF
        S$ 1,251S$ 835

        Fly from St. Louis to Singapore on Wed, Mar 19 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 835 including taxes and charges.

      • STL09:00
        45h 15m
        1 stop
        SIN20:15
        Sat, Feb 15|St. Louis - Singapore|United Airlines
        S$ 836S$ 1,251
        33% OFF
        33% OFF
        S$ 1,251S$ 836

        Fly from St. Louis to Singapore on Sat, Feb 15 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 836 including taxes and charges.

      • STL07:00
        23h 15m
        1 stop
        SIN20:15
        Tue, Feb 11|St. Louis - Singapore|United Airlines
        S$ 838
        S$ 838

        Fly from St. Louis to Singapore on Tue, Feb 11 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 838 including taxes and charges.

      • STL07:00
        23h 15m
        1 stop
        SIN20:15
        Wed, Feb 12|St. Louis - Singapore|United Airlines
        S$ 838
        S$ 838

        Fly from St. Louis to Singapore on Wed, Feb 12 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 838 including taxes and charges.

      • STL07:00
        23h 15m
        1 stop
        SIN20:15
        Tue, Jan 28|St. Louis - Singapore|United Airlines
        S$ 840
        S$ 840

        Fly from St. Louis to Singapore on Tue, Jan 28 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 840 including taxes and charges.

      • STL07:00
        23h 15m
        1 stop
        SIN20:15
        Thu, Jan 23|St. Louis - Singapore|United Airlines
        S$ 842
        S$ 842

        Fly from St. Louis to Singapore on Thu, Jan 23 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 842 including taxes and charges.

      • STL07:00
        23h 15m
        1 stop
        SIN20:15
        Mon, Jan 27|St. Louis - Singapore|United Airlines
        S$ 850
        S$ 850

        Fly from St. Louis to Singapore on Mon, Jan 27 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 850 including taxes and charges.

      • STL09:00
        33h
        1 stop
        SIN08:00
        Tue, Mar 4|St. Louis - Singapore|United Airlines
        S$ 855
        S$ 855

        Fly from St. Louis to Singapore on Tue, Mar 4 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 855 including taxes and charges.

      • STL09:00
        33h
        1 stop
        SIN08:00
        Tue, Feb 18|St. Louis - Singapore|United Airlines
        S$ 858
        S$ 858

        Fly from St. Louis to Singapore on Tue, Feb 18 with United Airlines. One-way connecting flights with United Airlines depart St. Louis Lambert International Airport and arrive Singapore Changi Airport starting at S$ 858 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        SIN02:00 pm
        Wed, Jan 29|St. Louis - Singapore|Southwest Airlines
        Find More Flights
        Find More Flights

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

St. Louis to San Francisco Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. JL7537

    Japan Airlines

    06:15

    STL

    4.1h

    08:22

    LAX

    SM--TF-
    Search

  2. JL061

    Japan Airlines

    12:10

    LAX

    11.8h

    17:00

    NRT

    SMTWTFS

  3. JL711

    Japan Airlines

    17:55

    NRT

    7.4h

    00:20

    SIN

    SMTWTFS

  4. JL7254

    Japan Airlines

    07:04

    STL

    2.0h

    09:03

    DFW

    SMTWTFS
    Search

  5. JL011

    Japan Airlines

    11:05

    DFW

    13.6h

    14:40

    HND

    SMTWTFS

  6. JL035

    Japan Airlines

    00:05

    HND

    7.2h

    06:15

    SIN

    SMTWTFS

  7. UA246

    United Airlines

    07:05

    STL

    4.6h

    09:40

    SFO

    SMTWTFS
    Search

  8. UA029

    United Airlines

    10:35

    SFO

    17.2h

    18:45

    SIN

    SMTWTFS

  9. UA703

    United Airlines

    08:27

    STL

    2.6h

    10:05

    DEN

    SMTWTFS
    Search

  10. UA1561

    United Airlines

    11:40

    DEN

    2.9h

    13:31

    SFO

    SMTWTFS

  11. UA001

    United Airlines

    22:40

    SFO

    17.1h

    06:45

    SIN

    SMTWTFS

  12. UA4169

    United Airlines

    14:55

    STL

    1.5h

    16:25

    ORD

    SMTWTFS
    Search

  13. UA1761

    United Airlines

    18:22

    ORD

    5.0h

    21:21

    SFO

    SMTWTFS

  14. UA001

    United Airlines

    22:40

    SFO

    17.1h

    06:45

    SIN

    SMTWTFS

  15. WN352

    Southwest Airlines

    15:10

    STL

    4.5h

    17:40

    SFO

    SMTWT-S
    Search

  16. UA001

    United Airlines

    22:40

    SFO

    17.1h

    06:45

    SIN

    SMTWTFS

  17. QR9002

    Qatar Airways

    16:30

    STL

    1.3h

    17:50

    ORD

    SMTW-FS
    Search

  18. QR726

    Qatar Airways

    19:40

    ORD

    13.1h

    16:45

    DOH

    SMTWTFS

  19. QR942

    Qatar Airways

    20:10

    DOH

    7.6h

    08:45

    SIN

    SMTWTFS

  20. F94567

    Frontier Airlines

    18:49

    STL

    2.6h

    20:25

    DEN

    S-T-TF-
    Search

  21. F93439

    Frontier Airlines

    22:49

    DEN

    2.9h

    00:43

    SFO

    SMTWTFS

  22. SQ031

    Singapore Airlines

    11:30

    SFO

    16.7h

    19:10

    SIN

    SMTWTFS

  23. F93641

    Frontier Airlines

    18:55

    STL

    3.7h

    20:36

    LAS

    SMTWTFS
    Search

  24. UA2356

    United Airlines

    08:00

    LAS

    1.7h

    09:43

    SFO

    SMTWTFS

  25. UA029

    United Airlines

    10:35

    SFO

    17.2h

    18:45

    SIN

    SMTWTFS

  26. F93641

    Frontier Airlines

    18:55

    STL

    3.7h

    20:36

    LAS

    SMTWTFS
    Search

  27. F93801

    Frontier Airlines

    16:17

    LAS

    1.8h

    18:07

    SFO

    SMTWTFS

  28. UA029

    United Airlines

    10:35

    SFO

    17.2h

    18:45

    SIN

    SMTWTFS
Find more flights and airlines

Cheapest time to fly from St. Louis to Singapore

Explore the best time to buy affordable tickets to Singapore with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from St. Louis (STL) to Singapore (SIN) the cheapest?

    Airlines adjust prices for flights from St. Louis to Singapore based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from St. Louis (STL) to Singapore (SIN) cost?

    According to Trip.com's data, the lowest price is around S$ 1,856.

  • 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 Singapore Seletar Airport to downtown is about 15km, by taxi about 30 minutes.

  • How many airports in Singapore?

    There are 2 airports near Singapore: Singapore Changi Airport and Singapore Seletar Airport.

How to find a cheap flight from St. Louis to Singapore

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from St. Louis to Singapore

Cheapest direct flight priceS$ 821
Off-season for travelFebruary
Peak season for travelDecember
Flight distance15,350.75km
Popular airlineAmerican Airlines

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