Cheap flights from St. Louis to Singapore from $642
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Singapore departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Singapore
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Singapore?
The month of September is, on average, the cheapest month to fly to Singapore from St. Louis, with most prices found around $1,094. If you aren’t able to travel to Singapore during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,309.
What is the cheapest day to depart on your flight to Singapore?
The cheapest day to depart from St. Louis to Singapore is on a Tuesday when prices can be found for as low as $1,370. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,691.
Cheap St. Louis to Singapore flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Singapore
When did momondo last update prices for flights from Lambert-St Louis Airport to Singapore?
Prices for flights from Lambert-St Louis Airport to Singapore are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Singapore?
As of June 2025, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Singapore.
How old do you have to be to fly from Lambert-St Louis Airport to Singapore?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Singapore.
What documentation or ID do you need to fly to Singapore?
The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from St. Louis to Singapore
Compare and see reviews for airlines that fly from St. Louis to Singapore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $940 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Singapore?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Singapore from St. Louis.
Can I find flights from St. Louis to Singapore with flexible booking policies on momondo?
Yes. All flights to Singapore from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Singapore?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Singapore.
I’m not ready to book a flight from St. Louis to Singapore right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.