STL - SIN
$905 - $1655
|Popular in||December||High demand for flights, 36% potential price rise|
|Cheapest in||September||Best time to find cheap flights, 14% potential price drop|
|Average price||$943||Average for round-trip flights in August 2020|
|Round-trip from||$905||From Lambert-St Louis Intl to Singapore City Airport|
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 40% on your flight compared to booking on days when demand is much higher.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 3% on flights from Lambert-St Louis Intl to Singapore City Airport compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $799. For sooner than that we have options available in the next 3 days from $828.
April can be a great time to fly to Singapore City Airport from Lambert-St Louis Intl with a flight ticket averaging about $784. Cheapflights users have found deals in the month of April for as cheap as $667. The most expensive prices can be found in the month of December.
It’s optimal to fly from Lambert-St Louis Intl to Singapore City Airport in the noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.