STL - SIN

S$ 1,543 Find cheap flights from St. Louis to Singapore

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Singapore departing on 4-3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Singapore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Singapore, as well as popular online travel agencies
In the last 7 days, travellers have searched 47,946,175 times on KAYAK, and here's why:

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Cheap flight deals from St. Louis to Singapore (STL-SIN)

 
These are the cheapest deals for flights from St. Louis to Singapore currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from St. Louis to Singapore

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from St. Louis to Singapore.

Recent one-way flight deals from St. Louis to Singapore

Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Singapore found on KAYAK recently.

Recent last-minute flight deals from St. Louis to Singapore

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from St. Louis to Singapore.

Recent direct flight deals from St. Louis to Singapore

The latest deals for direct flights from St. Louis to Singapore so you can sit back and relax without the need for a layover.

Cheap bus & train deals from St. Louis to Singapore

Find recent round-trip train or bus tickets from St. Louis to Singapore.

All round-trip flight deals to Singapore

The cheapest plane tickets to Singapore found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
07:00 - 00:35STL-SIN
27h 35m2 stops
23:10 - 23:59SIN-STL
37h 49m2 stops
S$ 1,543
Find Deal
Tue, 4 Mar - Tue, 11 Mar
16:39 - 08:00STL-SIN
25h 21m2 stops
10:10 - 17:53SIN-STL
20h 43m1 stop
S$ 1,591United Airlines
Find Deal
Tue, 4 Mar - Tue, 11 Mar
07:00 - 00:50STL-SIN
27h 50m2 stops
02:20 - 14:35SIN-STL
25h 15m2 stops
S$ 1,592Japan Airlines
Find Deal
Tue, 4 Mar - Mon, 10 Mar
16:30 - 07:00STL-SIN
25h 30m2 stops
21:00 - 14:18SIN-STL
30h 18m3 stops
S$ 1,598United Airlines
Find Deal
Wed, 19 Mar - Wed, 16 Apr
07:00 - 08:45STL-SIN
36h 45m2 stops
02:15 - 19:40SIN-STL
30h 25m2 stops
S$ 1,799Qatar Airways
Find Deal
Wed, 19 Mar - Tue, 15 Apr
09:51 - 16:20STL-SIN
41h 29m3 stops
01:45 - 18:04SIN-STL
29h 19m2 stops
S$ 2,227Cathay Pacific
Find Deal
Wed, 19 Mar - Tue, 15 Apr
15:45 - 16:50STL-SIN
35h 05m1 stop
23:55 - 13:55SIN-STL
28h 00m1 stop
S$ 4,900Lufthansa
Find Deal
Fri, 6 Dec - Thu, 12 Dec
07:00 - 00:50STL-SIN
27h 50m2 stops
08:15 - 23:27SIN-STL
29h 12m2 stops
S$ 8,971Japan Airlines
Find Deal
Fri, 20 Dec - Tue, 31 Dec
15:45 - 16:50STL-SIN
35h 05m1 stop
23:55 - 20:23SIN-STL
34h 28m2 stops
S$ 9,752Lufthansa
Find Deal
Fri, 20 Dec - Tue, 31 Dec
11:42 - 16:20STL-SIN
38h 38m3 stops
14:05 - 16:34SIN-STL
40h 29m3 stops
S$ 20,620Cathay Pacific
Find Deal
Fri, 20 Dec - Tue, 31 Dec
07:24 - 17:25STL-SIN
45h 01m2 stops
S$ 1,600Japan Airlines
Find Deal
Wed, 19 Mar
14:55 - 17:40STL-SIN
37h 45m1 stop
S$ 2,025
Find Deal
Wed, 19 Mar
15:50 - 18:25STL-SIN
37h 35m3 stops
S$ 5,249
Find Deal
Wed, 19 Mar
13:05 - 06:55STL-SIN
27h 50m2 stops
22:20 - 10:27SIN-STL
26h 07m2 stops
S$ 19,600ANA
Find Deal
Mon, 25 Nov - Wed, 27 Nov
12:00 - 14:40STL-SIN
36h 40m3 stops
21:00 - 12:19SIN-STL
53h 19m2 stops
S$ 52,248Emirates
Find Deal
Mon, 25 Nov - Wed, 27 Nov

Flights from St. Louis to Singapore - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to Singapore to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from St. Louis to Singapore is September, where tickets cost S$ 1,772 on average. On the other hand, the most expensive months are June and December, where the average cost of tickets is S$ 3,018 and S$ 2,809 respectively.

Good to know

Low season

September

High season

May

Cheapest flight

S$ 1,543
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from St. Louis to Singapore

When to book flights from St. Louis to Singapore

Are your dates flexible? Find out the best times to travel from St. Louis to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Singapore

  • What is the cheapest flight from St. Louis to Singapore?

    In the last 3 days, the lowest price for a flight from St. Louis to Singapore was S$ 1,193 for a one-way ticket and S$ 1,150 for a return.

  • Which aircraft models fly most regularly from St. Louis to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Singapore?

    oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Singapore, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from St. Louis to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from St. Louis to Singapore

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Singapore found on KAYAK in the last 72 hours.
19-3Wed
2 stopsJapan Airlines
45h 01mSTL-SIN
S$ 1,600
19-3Wed
1 stop
37h 45mSTL-SIN
S$ 2,025
19-3Wed
3 stops
37h 35mSTL-SIN
S$ 5,249

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Last minute flights from St. Louis to Singapore

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from St. Louis to Singapore that are departing in the next 10 days.
25-11Mon
multi-stopANA
27h 50mSTL-SIN
27-11Wed
multi-stopANA
26h 07mSIN-STL
S$ 19,600
25-11Mon
multi-stopEmirates
36h 40mSTL-SIN
27-11Wed
multi-stopEmirates
53h 19mSIN-STL
S$ 52,248

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Search by price

Everything you need to know for your flight from St. Louis to Singapore

Information on your arrival and departure airports

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