$798 Cheap Flights from St. Louis to Singapore (STL to SIN)

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Cheap flight deals from St. Louis to Singapore Starting at $798

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

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

When is the 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 cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from St. Louis to Singapore

We have a range of prices from different airlines providing flights from St. Louis to Singapore. Check below for the journey which best suits your travel needs.

United Airlines

From $575

Delta Air Lines

From $593

American Airlines

From $617

Alaska Airlines

From $636

Japan Airlines

From $678

Cathay Pacific

From $695

Frontier Airlines

From $728

Turkish Airlines

From $791

Qatar Airways

From $812

All Nippon Airways

From $836

Find more flights and airlines

Alternative Cheap Routes from St. Louis to Singapore

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Singapore from St. Louis which could help you save money and time.

Cheapest
STL
07:00
28h 0m
2 transfer
SIN
01:00
St. Louis Lambert International Airport - Singapore Changi Airport
Wed, Dec 4United Airlines
$575
STL
07:00
28h 0m
2 transfer
SIN
01:00
St. Louis Lambert International Airport - Singapore Changi Airport
Wed, Dec 4United Airlines
$575
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Frequently Asked Questions

When are flight tickets from St. Louis (STL) to Singapore (SIN) the cheapest?
Airlines adjust prices for flights from St. Louis to Singapore based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Singapore (SIN) cost?
According to Trip.com's data, the lowest price is around $1,366.
What is the transportation method from the main airport to downtown in Singapore?
- The distance from Singapore Changi Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
- The distance from Seletar Airport to downtown is about 15 km. It takes about 30 minutes by taxi.

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.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Singapore

Cheapest nonstop flight price	$797
Off-season for travel	November
Peak season for travel	September
Flight distance	15,350.75 km
Popular airline	American Airlines