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 to Singapore? 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 March.

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 foundRs120,869
Cheapest month to flyMarch

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 Rs273,650. 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 Rs273,650.
As of February 2026, there are no flights flying from St Louis to Singapore.
The cheapest month to fly from St Louis to Singapore is usually September.
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 Rs273,650.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Singapore on Tuesday, 1 September 2026.
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 February, the average temperature is usually around 27°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, Cathay Pacific offers the cheapest flight tickets to Singapore.

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

  • The timezone in Singapore is UTC+8. The city is 13 hours ahead of St Louis, where Lambert-St. Louis International Airport is located.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your STL to Singapore flight.

  • Heading away during a peak time like a bank holiday? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • We make it simple to book flight tickets from STL to Singapore with a stopover. To see the options, uncheck 'Direct flights only.' Then, select a flight that has a stop long enough to see the sights of the city of your choice. Well-traveled stopover hubs 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 driving, ride-sharing or catching a cab from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 35 minutes.

  • In search of a hotel near STL? If you're catching an early flight from Lambert-St. Louis International Airport to Singapore, these accommodation options set you up for a seamless send-off:

  • Of all flights leaving Lambert-St. Louis International Airport, 78.04% touch down on time at their destination.

  • You'll find STL at 10701 Lambert International Blvd..

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

  • Rs120,869 is the cheapest price we've seen for a one-way Lambert-St. Louis International Airport to Singapore flight. A round-trip flight ticket right now is Rs273,650. Depending on when and how early you book, these fares may change.

  • To pick up cheap flights from STL to Singapore, book early. Airlines tend to offer lower fares when flights are first released.

  • Landing cheap tickets from Lambert-St. Louis International Airport to Singapore is easier if you're flexible with your trip dates. Use the 'Whole month' tool to get the best prices across every month and snap up a sweet deal.

  • Finding a cheap flight from STL to Singapore couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as the price has dropped.

  • Find an affordable flight from Lambert-St. Louis International Airport to Singapore with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Singapore

Changi International Airport (SIN)

  • Changi International Airport (SIN) to central Singapore takes about 20 minutes by car. The centre is roughly 21 kilometres away.

  • When travelling by public transport, expect a journey time of about 1 hour.

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

  • Say yes to new adventures by picking up a Changi International Airport rental car. Grab your wheels from Avis, Sixt or Green Motion to explore Singapore and beyond.

  • Reserving your ride from Changi International Airport around two weeks before your flight from STL to Singapore can help you lock in the best possible rate.

Seletar Airport (XSP)

  • Central Singapore is around 19 kilometres from Seletar Airport (XSP). After your flight from Lambert-St. Louis International Airport to Singapore has landed and you've navigated your way to arrivals, expect a drive of around 25 minutes.

  • The trip will take about 1 hour 25 minutes on public transport.

  • Following your STL to Singapore flight, kick back at a hotel close to XSP. These are some comfortable options that'll help you get into relaxation mode:

Best time to go to Singapore

  • Carefully consider your trip dates before booking your flight from Lambert-St. Louis International Airport to Singapore. The city comes alive during peak season, but hotel prices are usually higher and attractions can be crowded. Plan your trip to Singapore in the low season if you prefer a more relaxed vibe.

  • Lock in a Lambert-St. Louis International Airport to Singapore flight ticket with a departure in May if you're eager to visit the city during its warmest month. You can expect temperatures to range from 25ºC to 31ºC.

  • January sees average temperatures of between 24ºC and 30ºC. Search 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. Check out these hotels as soon as you've booked your flight from Lambert-St. Louis International Airport to Singapore:

  • Gardens by the Bay and Marina Bay Sands are just a couple of the popular attractions to put on your Singapore to-do list. Continue your sightseeing adventures at Universal Studios Singapore.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.