Cheap Flights from St Louis to Singapore

Compare St Louis to Singapore flight deals

Find the cheapest month or even day of the year to fly to Singapore

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Flight deals from St Louis to Singapore

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Singapore? If you want to travel next month, return fares start from Rs396,432. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Singapore flights are currently cheapest in August.

Alternative St Louis to Singapore routes

Looking for the cheapest, fastest or easiest route from St Louis to Singapore? You could fly into the following airports instead.

St Louis to Singapore: Flight information

The things to know before you go.
Cheapest flight foundRs170,806
Cheapest month to flyAugust

Finding cheap flights from St Louis to Singapore: Frequently asked questions

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from St Louis to Singapore is Rs329,455. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Singapore. But we found flights with one or more stops from Rs329,455.
As of June 2026, there are no flights flying from St Louis to Singapore.
The cheapest month to fly from St Louis to Singapore is usually March.
If you're flying from St Louis Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from Rs329,455.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Singapore on Monday, 1 March 2027.
No airlines currently offer direct flights between St Louis Airport and Singapore. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, Qatar Airways offers the cheapest flight tickets to Singapore.

Travelling from St Louis Lambert International Airport (STL) to Singapore: what you need to know

  • The timezone in Singapore is UTC+8. The city is 14 hours ahead of St Louis, where St Louis Lambert International Airport is located.

  • For a relaxed start to your STL to Singapore flight, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • You can expect bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • A stopover is the ideal opportunity to take a break from travelling and perhaps even explore a different city. When searching for plane tickets from STL to Singapore, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Los Angeles International Airport (LAX)

    • Seattle-Tacoma International Airport (SEA)

    • San Francisco International Airport (SFO)

  • STL is about 16 kilometres from central St Louis. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 30 minutes.

  • Booked an early flight from St Louis Lambert International Airport to Singapore? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to STL:

  • Of all flights departing from St Louis Lambert International Airport, 76% arrive as scheduled at their destination.

  • STL is located at 10701 Lambert International Blvd..

How to find the cheapest flights from St Louis Lambert International Airport (STL) to Singapore

  • The best price we've seen for a one-way St Louis Lambert International Airport to Singapore flight is Rs170,806. The cheapest price for a return flight is Rs329,455. Keep in mind fares can change due to demand at the time of booking.

  • To find cheap flights from STL to Singapore, book in advance. Airlines tend to offer their most competitively priced fares when tickets are first released.

  • The 'Whole month' search tool will show you the cheapest tickets from St Louis Lambert International Airport to Singapore throughout the entire month. It's an easy way to snap up a bargain if your plans are flexible.

  • Spend less time searching for cheap flights from STL to Singapore by creating a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Tailor your flights with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from St Louis Lambert International Airport to Singapore.

Airports in Singapore

Singapore Changi Airport (SIN)

  • Singapore Changi Airport (SIN) to the centre of Singapore takes about 25 minutes by car. The centre is roughly 19 kilometres away.

  • It'll take around 40 minutes if you're using public transport.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from St Louis Lambert International Airport to Singapore. Reserve one of these accommodation options near SIN instead:

  • Booking your vehicle from Singapore Changi Airport about two weeks ahead of your flight from STL to Singapore can help you lock in the best possible rate.

Seletar Airport (XSP)

  • Central Singapore is around 14 kilometres from Seletar Airport (XSP). Step off your flight from St Louis Lambert International Airport to Singapore and then keep a lookout for any airport signs that'll help you get to the city centre.

  • Hang up the 'Do not disturb' sign and relax at a hotel close to XSP. Here are a few options where you can settle in after your STL to Singapore flight:

Best time to go to Singapore

  • December is the quietest month for flights from St Louis Lambert International Airport to Singapore, while February is the busiest. Work out the ideal time to go to Singapore based on whether you want a laid-back vibe or a lively atmosphere.

  • Before booking a St Louis Lambert International Airport to Singapore plane ticket, think about the kind of weather you prefer. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • January sees average temperatures of between 24ºC and 30ºC. Look for a cheap ticket from STL to Singapore around that time if you like cooler conditions.

More about Singapore

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Singapore right here. Explore these hotels as soon as you've locked in your flight from St Louis Lambert International Airport to Singapore:

  • Every great holiday has to include some sightseeing. Marina Bay Sands Hotel Infinity Pool, Marina Bay Sands and Gardens by the Bay are must-do's during your Singapore adventure.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.