>>>>
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from St. Louis to Singapore starting at S$ 1,197

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

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

Cheapest time to fly from St. Louis to Singapore

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from St. Louis to Singapore

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Delta Air Lines
From S$ 760
Alaska Airlines
From S$ 785
American Airlines
From S$ 804
United Airlines
From S$ 810
Frontier Airlines
From S$ 912
Cathay Pacific
From S$ 915
Southwest Airlines
From S$ 964
Qatar Airways
From S$ 990
Japan Airlines
From S$ 1,069
Turkish Airlines
From S$ 1,138
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Singapore

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Singapore.

  • Cheapest
    Delta Air Lines
    STL
    07:15
    34h 0m
    2 transfer
    SIN
    06:15
    St.Louis Lambert International Airport - Singapore Changi Airport
    Sat, Apr 6Delta Air Lines
    S$ 760
  • Delta Air Lines
    STL
    07:15
    34h 0m
    2 transfer
    SIN
    06:15
    St.Louis Lambert International Airport - Singapore Changi Airport
    Sat, Apr 6Delta Air Lines
    S$ 760
    Find More Flights

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$ 2,589.
  • What is the transportation method from the main airport to downtown in Singapore?

    • The distance from Singapore Changi Airport to downtown is about 18km, by taxi about 30 minutes.
  • How many airports in Singapore?

    There are 3 airports near Singapore: Singapore Changi Airport, Paya Lebar Airbase and Seletar Airport.

Find cheapest flight ticket from St. Louis to Singapore

Cheapest direct flight price

S$ 1,197

Cheapest month

April

Peak season for travel

October